技術文章 » SpringBoot 小狂神筆記

SpringBoot 小狂神筆記

2020-08-13 01:54:50

SpringBoot狂神筆記

SpringBoot01：Hello,World！

SpringBoot02：執行原理初探

SpringBoot03：yaml設定注入

SpringBoot04：JSR303數據校驗及多環境切換

SpringBoot05：自動設定原理

SpringBoot06：自定義starter

SpringBoot07：整合JDBC

SpringBoot08：整合Druid

SpringBoot09：整合MyBatis

SpringBoot10：Web開發靜態資源處理

SpringBoot11：Thymeleaf模板引擎

SpringBoot12：MVC自動設定原理

SpringBoot13：頁面國際化

SpringBoot14：整合Swagger終極版

SpringBoot15：非同步、定時、郵件任務

SpringBoot16：富文字編輯器

SpringBoot17：Dubbo和Zookeeper整合

SpringBoot18：整合SpringSecurity

一、執行原理初探

  • 註解：

    [外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-TpfYuOlH-1594913883183)(C:\Users\邓联庆\AppData\Roaming\Typora\typora-user-images\image-20200709105510753.png)]

    //獲取所有設定
protected List<String> getCandidateConfigurations(AnnotationMetadata metadata, AnnotationAttributes attributes);

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    獲取候選設定：

        protected List<String> getCandidateConfigurations(AnnotationMetadata metadata, AnnotationAttributes attributes) {
        List<String> configurations = SpringFactoriesLoader.loadFactoryNames(this.getSpringFactoriesLoaderFactoryClass(), this.getBeanClassLoader());
        Assert.notEmpty(configurations, "No auto configuration classes found in META-INF/spring.factories. If you are using a custom packaging, make sure that file is correct.");
        return configurations;
    }

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二、JSR303數據校驗及多環境切換

  1. 組態檔載入位置

    [外連圖片轉存失敗,源站可能有防盜鏈機制 機製,建議將圖片儲存下來直接上傳(img-5Nr27xHV-1594913883189)(D:\我\MyBlog\狂神說Java SpringBoot.assets\image-20200709213144157.png)]

​ file : 檔案路徑，就是專案路徑

​ [外連圖片轉存失敗,源站可能有防盜鏈機制 機製,建議將圖片儲存下來直接上傳(img-MmY445bN-1594913883192)(D:\我\MyBlog\狂神说Java SpringBoot.assets\image-20200709213352422.png)]

三、SpringBoot Web開發

自動裝配：

SpringBoot到底幫我們設定了什麼？我們能不能進行修改？能修改哪些東西？能不能擴充套件？

  • xxxAutoConfiguration…向容器中自動設定元件
  • xxxProperties：自動設定類，裝配組態檔中自定義的一些內容

要解決的問題：

  • 匯入靜態資源…

  • 首頁

  • jsp, 模板引擎Thymeleaf

    thymeleaf依賴

  • 裝配擴充套件SpringMVC

  • 增刪改查

  • 攔截器

  • 國際化

四、員工管理系統

  1. 首頁設定
    1. 注意點，所有頁面的靜態資源都需要使用thymeleaf接管；（匯入thymeleaf依賴）
    2. url: @{}
  2. 頁面國際化
    1. 我們需要設定i18n檔案
    2. 我們如果需要在專案中進行按鈕自動切換，我們需要自定義一個元件LocaleResolver
    3. 記得將自己寫的元件設定到spring容器@Bean
    4. #{}

五、整合MyBatis

整合包

mybatis-spring-boot-starter

  1. 匯入包

    <!--引入mybatis,這是Mybatis官方提供的適配SpringBoot的，而不是SpringBoot自己的-->
<dependency>
    <groupId>org.mybatis.spring.boot</groupId>
    <artifactId>mybatis-spring-boot-starter</artifactId>
    <version>2.1.1</version>
</dependency>

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  2. 設定yml檔案

    application.yml

    # 設定spring自帶的數據源
spring:
  datasource:
    username: root
    password: root
    url: jdbc:mysql://localhost:3306/mybatis?userSSL=true&useUnicode=true&characterEncoding=UTF-8&serverTimezone=UTC
    driver-class-name: com.mysql.cj.jdbc.Driver

# 整合mybatis
mybatis:
# 別名
type-aliases-package: com.kuang.pojo
# mapper檔案位置
mapper-locations: classpath:mybatis/mapper/*.xml

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  • mybatis設定

    • User

      @Data
@AllArgsConstructor
@NoArgsConstructor
public class User {
    private int id;
    private String name;
    private String password;
}

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    • UserMapper介面

      @Repository
@Mapper
public interface UserMapper {
    public User queryUserByName(String name);  
}

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    • UserMapper.xml組態檔

      <!--namespace=系結一個指定的Dao/Mapper介面-->
<mapper namespace="com.kuang.mapper.UserMapper">
    <select id="getUserList" resultType="com.kuang.pojo.User" parameterType="String">
    select * from USER where name = #{name}
  	</select>
</mapper>

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  • 編寫sql

  • service層呼叫dao層

    • UserService 介面

      public interface UserService {
    public User queryUserByName(String name);
}

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    • UserServiceImpl實現類

      @Service
public class UserServiceImpl implements UserService{
    @Autowired
    UserMapper mapper;
    public User queryUserByName(String name) {
        User user = mapper.queryUserByName(name);
        return user;
    }
}

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  • controller呼叫service層

    @Autowired
UserServiceImpl userService;
public void mian(String args[]){
    User user = userService.queryUserByName("dog");
}

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    • 六、SpringSecurity

    1. 引入 Spring Security 模組

    2. 編寫 Spring Security 設定類

      參考官網：https://spring.io/projects/spring-security

    3. 編寫基礎設定類

      • 定製請求的授權規則
      • 定義認證規則
      //AOP : 攔截器
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {

      <span class="token comment">// 鏈式程式設計</span>
<span class="token annotation punctuation">@Override</span>
<span class="token comment">//授權</span>
<span class="token keyword">protected</span> <span class="token keyword">void</span> <span class="token function">configure</span><span class="token punctuation">(</span>HttpSecurity http<span class="token punctuation">)</span> <span class="token keyword">throws</span> Exception <span class="token punctuation">{</span>
    <span class="token comment">//首頁所有人可以存取，功能頁只有對應有許可權的人才能 纔能存取</span>
    <span class="token comment">//請求授權的規則</span>
    http<span class="token punctuation">.</span><span class="token function">authorizeRequests</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
            <span class="token punctuation">.</span><span class="token function">antMatchers</span><span class="token punctuation">(</span><span class="token string">"/"</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">permitAll</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
            <span class="token punctuation">.</span><span class="token function">antMatchers</span><span class="token punctuation">(</span><span class="token string">"/level1/**"</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">hasRole</span><span class="token punctuation">(</span><span class="token string">"vip1"</span><span class="token punctuation">)</span>
            <span class="token punctuation">.</span><span class="token function">antMatchers</span><span class="token punctuation">(</span><span class="token string">"/level2/**"</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">hasRole</span><span class="token punctuation">(</span><span class="token string">"vip2"</span><span class="token punctuation">)</span>
            <span class="token punctuation">.</span><span class="token function">antMatchers</span><span class="token punctuation">(</span><span class="token string">"/level3/**"</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">hasRole</span><span class="token punctuation">(</span><span class="token string">"vip3"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

    <span class="token comment">//沒有許可權預設會到登錄頁面,需要開啓登錄的頁面</span>
    http<span class="token punctuation">.</span><span class="token function">formLogin</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
            <span class="token punctuation">.</span><span class="token function">loginPage</span><span class="token punctuation">(</span><span class="token string">"/toLogin"</span><span class="token punctuation">)</span>
            <span class="token punctuation">.</span><span class="token function">usernameParameter</span><span class="token punctuation">(</span><span class="token string">"username"</span><span class="token punctuation">)</span>
            <span class="token punctuation">.</span><span class="token function">passwordParameter</span><span class="token punctuation">(</span><span class="token string">"password"</span><span class="token punctuation">)</span>
            <span class="token punctuation">.</span><span class="token function">loginProcessingUrl</span><span class="token punctuation">(</span><span class="token string">"/login"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

    http<span class="token punctuation">.</span><span class="token function">csrf</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">disable</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token operator">/</span><span class="token operator">/</span>關閉csrf功能<span class="token operator">:</span>跨站請求僞造<span class="token punctuation">,</span>預設只能通過post方式提交logout請求
    <span class="token operator">/</span><span class="token operator">/</span> 開啓註銷功能
    http<span class="token punctuation">.</span><span class="token function">logout</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">logoutSuccessUrl</span><span class="token punctuation">(</span><span class="token string">"/"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token operator">/</span><span class="token operator">/</span>開啓記住我功能
    http<span class="token punctuation">.</span><span class="token function">rememberMe</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">rememberMeParameter</span><span class="token punctuation">(</span><span class="token string">"rememberme"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>

<span class="token operator">/</span><span class="token operator">/</span>認證
<span class="token annotation punctuation">@Override</span>
<span class="token keyword">protected</span> <span class="token keyword">void</span> <span class="token function">configure</span><span class="token punctuation">(</span>AuthenticationManagerBuilder auth<span class="token punctuation">)</span> <span class="token keyword">throws</span> Exception <span class="token punctuation">{</span>

    //在記憶體中定義，也可以在jdbc中去拿....
    //Spring security 5.0中新增了多種加密方式，也改變了密碼的格式。
    //要想我們的專案還能夠正常登陸，需要修改一下configure中的程式碼。我們要將前端傳過來的密碼進行某種方式加密
    //spring security 官方推薦的是使用bcrypt加密方式。

        auth<span class="token punctuation">.</span><span class="token function">inMemoryAuthentication</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">passwordEncoder</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">BCryptPasswordEncoder</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
            <span class="token punctuation">.</span><span class="token function">withUser</span><span class="token punctuation">(</span><span class="token string">"kuangshen"</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">password</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">BCryptPasswordEncoder</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">encode</span><span class="token punctuation">(</span><span class="token string">"123456"</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">roles</span><span class="token punctuation">(</span><span class="token string">"vip2"</span><span class="token punctuation">,</span><span class="token string">"vip3"</span><span class="token punctuation">)</span>
            <span class="token punctuation">.</span><span class="token function">and</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
            <span class="token punctuation">.</span><span class="token function">withUser</span><span class="token punctuation">(</span><span class="token string">"admin"</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">password</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">BCryptPasswordEncoder</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">encode</span><span class="token punctuation">(</span><span class="token string">"123456"</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">roles</span><span class="token punctuation">(</span><span class="token string">"vip1"</span><span class="token punctuation">,</span><span class="token string">"vip2"</span><span class="token punctuation">,</span><span class="token string">"vip3"</span><span class="token punctuation">)</span>
            <span class="token punctuation">.</span><span class="token function">and</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
            <span class="token punctuation">.</span><span class="token function">withUser</span><span class="token punctuation">(</span><span class="token string">"guest"</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">password</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">BCryptPasswordEncoder</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">encode</span><span class="token punctuation">(</span><span class="token string">"123456"</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">roles</span><span class="token punctuation">(</span><span class="token string">"vip1"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>

    }

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    七、Shiro

    • Subject 使用者
    • SecurityManager 管理使用者
    • Realm 連線數據
      在这里插入图片描述
      簡單實驗：

    1. 匯入依賴

      <dependency>
    <groupId>org.apache.shiro</groupId>
    <artifactId>shiro-spring</artifactId>
    <version>1.5.3</version>
</dependency>

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    2. 編寫Shiro設定類

      @Configuration
public class ShrioConfig {
    //ShiroFilterFactoryBean : Step3
    @Bean
    public ShiroFilterFactoryBean getShrioFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager defaultWebSecurityManager){
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //設定安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);
        return bean;
    }

      <span class="token comment">//DefaultWebSecurityManager : Step2</span>
<span class="token annotation punctuation">@Bean</span><span class="token punctuation">(</span><span class="token string">"securityManager"</span><span class="token punctuation">)</span>
<span class="token keyword">public</span> DefaultWebSecurityManager <span class="token function">getDefaultWebSecurityManager</span><span class="token punctuation">(</span><span class="token annotation punctuation">@Qualifier</span><span class="token punctuation">(</span><span class="token string">"userRealm"</span><span class="token punctuation">)</span> UserRealm userRealm<span class="token punctuation">)</span><span class="token punctuation">{</span>
    DefaultWebSecurityManager securityManager <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DefaultWebSecurityManager</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token comment">//關聯userRealm</span>
    securityManager<span class="token punctuation">.</span><span class="token function">setRealm</span><span class="token punctuation">(</span>userRealm<span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token keyword">return</span> securityManager<span class="token punctuation">;</span>
<span class="token punctuation">}</span>

<span class="token comment">//建立 realm 物件, 需要自定義類：Step1</span>
<span class="token annotation punctuation">@Bean</span>
<span class="token keyword">public</span> UserRealm <span class="token function">userRealm</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token keyword">new</span> <span class="token class-name">UserRealm</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>

    }

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  • 自定義UserRealm

    //自定義的 UserRealm
public class UserRealm extends AuthorizingRealm {

    <span class="token comment">//授權</span>
<span class="token annotation punctuation">@Override</span>
<span class="token keyword">protected</span> AuthorizationInfo <span class="token function">doGetAuthorizationInfo</span><span class="token punctuation">(</span>PrincipalCollection principalCollection<span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> null<span class="token punctuation">;</span>
<span class="token punctuation">}</span>

<span class="token comment">//認證</span>
<span class="token annotation punctuation">@Override</span>
<span class="token keyword">protected</span> AuthenticationInfo <span class="token function">doGetAuthenticationInfo</span><span class="token punctuation">(</span>AuthenticationToken authenticationToken<span class="token punctuation">)</span> <span class="token keyword">throws</span> AuthenticationException <span class="token punctuation">{</span>
    <span class="token keyword">return</span> null<span class="token punctuation">;</span>
<span class="token punctuation">}</span>

    • }

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    一個小Demo:

    1. 匯入依賴

      • springboot-mybatis整合
      • shiro-thymelea整合
      <?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.3.1.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.kuang</groupId>
    <artifactId>shiro-springboot</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>shiro-springboot</name>
    <description>Demo project for Spring Boot</description>

      <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>properties</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>java.version</span><span class="token punctuation">&gt;</span></span>1.8<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>java.version</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>properties</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependencies</span><span class="token punctuation">&gt;</span></span>
    <span class="token comment">&lt;!--shiro-thymeleaf整合--&gt;</span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>com.github.theborakompanioni<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>thymeleaf-extras-shiro<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>version</span><span class="token punctuation">&gt;</span></span>2.0.0<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>version</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span>

    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>mysql<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>mysql-connector-java<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>version</span><span class="token punctuation">&gt;</span></span>8.0.20<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>version</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span>
    <span class="token comment">&lt;!-- https://mvnrepository.com/artifact/log4j/log4j --&gt;</span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>log4j<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>log4j<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>version</span><span class="token punctuation">&gt;</span></span>1.2.17<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>version</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>com.alibaba<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>druid<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>version</span><span class="token punctuation">&gt;</span></span>1.1.22<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>version</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span>
    <span class="token comment">&lt;!--引入mybatis,這是Mybatis官方提供的適配SpringBoot的，而不是SpringBoot自己的--&gt;</span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.mybatis.spring.boot<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>mybatis-spring-boot-starter<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>version</span><span class="token punctuation">&gt;</span></span>2.1.1<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>version</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.projectlombok<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>lombok<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>version</span><span class="token punctuation">&gt;</span></span>1.18.12<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>version</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.apache.shiro<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>shiro-spring<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>version</span><span class="token punctuation">&gt;</span></span>1.5.3<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>version</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.springframework.boot<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>spring-boot-starter-thymeleaf<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.springframework.boot<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>spring-boot-starter-web<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span>

    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>dependency</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.springframework.boot<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>spring-boot-starter-test<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>scope</span><span class="token punctuation">&gt;</span></span>test<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>scope</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>exclusions</span><span class="token punctuation">&gt;</span></span>
            <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>exclusion</span><span class="token punctuation">&gt;</span></span>
                <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.junit.vintage<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
                <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>junit-vintage-engine<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
            <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>exclusion</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>exclusions</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependency</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>dependencies</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>build</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>plugins</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>plugin</span><span class="token punctuation">&gt;</span></span>
            <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>groupId</span><span class="token punctuation">&gt;</span></span>org.springframework.boot<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>groupId</span><span class="token punctuation">&gt;</span></span>
            <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>artifactId</span><span class="token punctuation">&gt;</span></span>spring-boot-maven-plugin<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>artifactId</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>plugin</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>plugins</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>build</span><span class="token punctuation">&gt;</span></span>

    </project>

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  • 整合MyBatis

    • 編寫實體類
    • 編寫mapper介面、mapper.xml、application.yml設定mybatis（別名，mapper.xml檔案位置)
    • 編寫service介面，serviceImpl類
      在这里插入图片描述

  • 編寫Shiro設定類

    @Configuration
public class ShrioConfig {

    <span class="token comment">//ShiroFilterFactoryBean : Step3</span>
<span class="token annotation punctuation">@Bean</span>
<span class="token keyword">public</span> ShiroFilterFactoryBean <span class="token function">getShrioFilterFactoryBean</span><span class="token punctuation">(</span><span class="token annotation punctuation">@Qualifier</span><span class="token punctuation">(</span><span class="token string">"securityManager"</span><span class="token punctuation">)</span> DefaultWebSecurityManager defaultWebSecurityManager<span class="token punctuation">)</span><span class="token punctuation">{</span>
    ShiroFilterFactoryBean bean <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">ShiroFilterFactoryBean</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token comment">//設定安全管理器</span>
    bean<span class="token punctuation">.</span><span class="token function">setSecurityManager</span><span class="token punctuation">(</span>defaultWebSecurityManager<span class="token punctuation">)</span><span class="token punctuation">;</span>

    <span class="token comment">//新增shiro的內建過濾器</span>
    <span class="token comment">/*
        anno: 無需認證就可以存取
        authc: 必須認證了纔可以存取
        user: 必須擁有 記住我 功能才能 纔能用
        perms: 擁有對某個資源的許可權才能 纔能存取
        role: 擁有某個角色許可權才能 纔能存取
    */</span>

    Map<span class="token generics function"><span class="token punctuation">&lt;</span>String<span class="token punctuation">,</span> String<span class="token punctuation">&gt;</span></span> filterMap <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">LinkedHashMap</span><span class="token operator">&lt;</span><span class="token operator">&gt;</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

    <span class="token comment">//使用者授權,正常情況下沒有授權會跳轉到授權頁面</span>
    filterMap<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"/user/add"</span><span class="token punctuation">,</span><span class="token string">"perms[user:add]"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    filterMap<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"/user/update"</span><span class="token punctuation">,</span><span class="token string">"perms[user:update]"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

    <span class="token comment">//攔截</span>
    <span class="token comment">//filterMap.put("/user/add","authc");</span>
    <span class="token comment">//filterMap.put("/user/update","authc");</span>
    filterMap<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"/user/*"</span><span class="token punctuation">,</span><span class="token string">"authc"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

    <span class="token comment">//設定登錄請求</span>
    bean<span class="token punctuation">.</span><span class="token function">setLoginUrl</span><span class="token punctuation">(</span><span class="token string">"/toLogin"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token operator">/</span><span class="token operator">/</span>設定未授權頁面
    bean<span class="token punctuation">.</span><span class="token function">setUnauthorizedUrl</span><span class="token punctuation">(</span><span class="token string">"/noauth"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    bean<span class="token punctuation">.</span><span class="token function">setFilterChainDefinitionMap</span><span class="token punctuation">(</span>filterMap<span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token keyword">return</span> bean<span class="token punctuation">;</span>
<span class="token punctuation">}</span>

<span class="token operator">/</span><span class="token operator">/</span>DefaultWebSecurityManager <span class="token operator">:</span> Step2
<span class="token annotation punctuation">@Bean</span><span class="token punctuation">(</span><span class="token string">"securityManager"</span><span class="token punctuation">)</span>
<span class="token keyword">public</span> DefaultWebSecurityManager <span class="token function">getDefaultWebSecurityManager</span><span class="token punctuation">(</span><span class="token annotation punctuation">@Qualifier</span><span class="token punctuation">(</span><span class="token string">"userRealm"</span><span class="token punctuation">)</span> UserRealm userRealm<span class="token punctuation">)</span><span class="token punctuation">{</span>
    DefaultWebSecurityManager securityManager <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">DefaultWebSecurityManager</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token operator">/</span><span class="token operator">/</span>關聯userRealm
    securityManager<span class="token punctuation">.</span><span class="token function">setRealm</span><span class="token punctuation">(</span>userRealm<span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token keyword">return</span> securityManager<span class="token punctuation">;</span>
<span class="token punctuation">}</span>

<span class="token operator">/</span><span class="token operator">/</span>建立 realm 物件<span class="token punctuation">,</span> 需要自定義類：Step1
<span class="token annotation punctuation">@Bean</span>
<span class="token keyword">public</span> UserRealm <span class="token function">userRealm</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token keyword">new</span> <span class="token class-name">UserRealm</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>

<span class="token operator">/</span><span class="token operator">/</span>整合 ShiroDialect<span class="token operator">:</span>用來整合shiro thymeleaf
<span class="token annotation punctuation">@Bean</span>
<span class="token keyword">public</span> ShiroDialect <span class="token function">getShiroDialect</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token keyword">new</span> <span class="token class-name">ShiroDialect</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>

    • }

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  • 自定義UserRealm

    //自定義的 UserRealm
public class UserRealm extends AuthorizingRealm {

    <span class="token annotation punctuation">@Autowired</span>
UserServiceImpl userService<span class="token punctuation">;</span>

<span class="token comment">//授權</span>
<span class="token annotation punctuation">@Override</span>
<span class="token keyword">protected</span> AuthorizationInfo <span class="token function">doGetAuthorizationInfo</span><span class="token punctuation">(</span>PrincipalCollection principalCollection<span class="token punctuation">)</span> <span class="token punctuation">{</span>
    System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"執行了 =&gt; doGetAuthorizationInfo"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

    SimpleAuthorizationInfo info <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">SimpleAuthorizationInfo</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token comment">// 拿到當前登錄的這個物件</span>
    Subject subject <span class="token operator">=</span> SecurityUtils<span class="token punctuation">.</span><span class="token function">getSubject</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token comment">// 拿到User物件</span>
    User currentUser <span class="token operator">=</span> <span class="token punctuation">(</span>User<span class="token punctuation">)</span> subject<span class="token punctuation">.</span><span class="token function">getPrincipal</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token comment">// 設定當前使用者的許可權</span>
    System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span>currentUser<span class="token punctuation">.</span><span class="token function">getName</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">"的許可權爲 "</span> <span class="token operator">+</span> currentUser<span class="token punctuation">.</span><span class="token function">getPerms</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    info<span class="token punctuation">.</span><span class="token function">addStringPermission</span><span class="token punctuation">(</span>currentUser<span class="token punctuation">.</span><span class="token function">getPerms</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

    <span class="token keyword">return</span> info<span class="token punctuation">;</span>
<span class="token punctuation">}</span>

<span class="token comment">//認證</span>
<span class="token annotation punctuation">@Override</span>
<span class="token keyword">protected</span> AuthenticationInfo <span class="token function">doGetAuthenticationInfo</span><span class="token punctuation">(</span>AuthenticationToken authenticationToken<span class="token punctuation">)</span> <span class="token keyword">throws</span> AuthenticationException <span class="token punctuation">{</span>
    System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"執行了 =&gt; 認證AuthenticationToken"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

    UsernamePasswordToken userToken <span class="token operator">=</span> <span class="token punctuation">(</span>UsernamePasswordToken<span class="token punctuation">)</span> authenticationToken<span class="token punctuation">;</span>
    <span class="token comment">//連線真實的數據庫</span>
    User user <span class="token operator">=</span> userService<span class="token punctuation">.</span><span class="token function">queryUserByName</span><span class="token punctuation">(</span>userToken<span class="token punctuation">.</span><span class="token function">getUsername</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token keyword">if</span><span class="token punctuation">(</span>user <span class="token operator">==</span> null<span class="token punctuation">)</span><span class="token punctuation">{</span>
        <span class="token comment">//沒有這個人</span>
        <span class="token keyword">return</span> null<span class="token punctuation">;</span> <span class="token comment">//拋出異常 UnknownAccountException</span>
    <span class="token punctuation">}</span>

    <span class="token comment">// 登錄成功 將使用者資訊存入session</span>
    Subject currentSubject <span class="token operator">=</span> SecurityUtils<span class="token punctuation">.</span><span class="token function">getSubject</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    Session session <span class="token operator">=</span> currentSubject<span class="token punctuation">.</span><span class="token function">getSession</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    session<span class="token punctuation">.</span><span class="token function">setAttribute</span><span class="token punctuation">(</span><span class="token string">"loginUser"</span><span class="token punctuation">,</span>user<span class="token punctuation">.</span><span class="token function">getName</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

    <span class="token comment">// 密碼認證，shiro做</span>
    <span class="token keyword">return</span> <span class="token keyword">new</span> <span class="token class-name">SimpleAuthenticationInfo</span><span class="token punctuation">(</span>user<span class="token punctuation">,</span>user<span class="token punctuation">.</span><span class="token function">getPassword</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span><span class="token string">""</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>

    • }

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    八、Swagger

    學習目標：

    • 瞭解Swagger的作用和概念
    • 瞭解前後端分離
    • 在SpringBoot中整合Swagger

    一、 Swagger簡介

    前後端分離時代：

    • 後端：後端控制層，服務層，數據存取層
    • 前端：前端控制層，檢視層

    Swagger :

    • 號稱世界上最流行的API框架；
    • RestFul Api文件線上自動生成工具 => Api文件與Api定義同步更新
    • 直接執行，可以線上測試API介面
    • 支援多種語言：（Java , Php…）

    在專案中使用Swagger需要Springbox

    • swagger2
    • ui

    二、SpringBoot整合Swagger

    1. 新建一個SpringBoot - web 工程

    2. 匯入相關依賴

      <!-- https://mvnrepository.com/artifact/io.springfox/springfox-swagger2 -->
<dependency>
    <groupId>io.springfox</groupId>
    <artifactId>springfox-swagger2</artifactId>
    <version>2.9.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/io.springfox/springfox-swagger-ui -->
<dependency>
    <groupId>io.springfox</groupId>
    <artifactId>springfox-swagger-ui</artifactId>
    <version>2.9.2</version>
</dependency>
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  • 編寫一個Hello工程

  • 設定Swagger ==> Config

    @Configuration
@EnableSwagger2 //開啓Swagger
public class SwaggerConfig {

    • }

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  • 測試執行：http://localhost:8080/swagger-ui.html

    • 三、 設定Swagger資訊

    @Configuration
@EnableSwagger2 //開啓Swagger
public class SwaggerConfig {
    //設定了Swagger 的Docket的bean範例
    @Bean
    public Docket docket(){
        return new Docket(DocumentationType.SWAGGER_2).apiInfo(apiInfo());
    }

    <span class="token comment">//設定Swagger資訊=apiInfo</span>
<span class="token keyword">public</span> ApiInfo <span class="token function">apiInfo</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
    <span class="token comment">//作者資訊</span>
    Contact contact <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Contact</span><span class="token punctuation">(</span><span class="token string">"Daniel"</span><span class="token punctuation">,</span><span class="token string">"https://www.baidu.com"</span><span class="token punctuation">,</span><span class="token string">"[email protected]"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token keyword">return</span> <span class="token keyword">new</span> <span class="token class-name">ApiInfo</span><span class="token punctuation">(</span><span class="token string">"Dainel的SwaggerAPI文件"</span><span class="token punctuation">,</span>
            <span class="token string">"天道酬勤"</span><span class="token punctuation">,</span>
            <span class="token string">"v1.0"</span><span class="token punctuation">,</span>
            <span class="token string">"urn:tos"</span><span class="token punctuation">,</span>
            contact<span class="token punctuation">,</span> <span class="token string">"Apache 2.0"</span><span class="token punctuation">,</span>
            <span class="token string">"http://www.apache.org/licenses/LICENSE-2.0"</span><span class="token punctuation">,</span>
            <span class="token keyword">new</span> <span class="token class-name">ArrayList</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>

    }

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    四、 Swagger設定掃描介面

    Docket.select（）

    //設定了Swagger 的Docket的bean範例
@Bean
public Docket docket(){
    return new Docket(DocumentationType.SWAGGER_2).apiInfo(apiInfo())
        .select()
        //RequestHandlerSelectors,設定要掃描介面的方式
        //basePackage，指定要掃描的包
        //any(): 掃描全部
        .apis(RequestHandlerSelectors.basePackage("com.kuang.swagger.controller"))
        .paths(PathSelectors.ant("/kuang/**"))
        .build();
}

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    題目：我只希望我的Swagger在生產環境中使用，在發佈的時候不使用

    • 判斷是不是生產環境 flag = false
    • 注入enable （flag）
    //設定了Swagger 的Docket的bean範例
@Bean
public Docket docket(Environment environment){

    <span class="token comment">//設定要顯示的Swagger環境</span>
Profiles profiles <span class="token operator">=</span> Profiles<span class="token punctuation">.</span><span class="token function">of</span><span class="token punctuation">(</span><span class="token string">"dev"</span><span class="token punctuation">,</span><span class="token string">"test"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">//通過  environment.acceptsProfiles 判斷是否處在自己設定的環境中</span>
<span class="token keyword">boolean</span> flag <span class="token operator">=</span> environment<span class="token punctuation">.</span><span class="token function">acceptsProfiles</span><span class="token punctuation">(</span>profiles<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">.</span><span class="token punctuation">.</span><span class="token punctuation">.</span>

    }

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    [外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-FZX3xgNm-1594913883200)(D:\我\MyBlog\狂神说 SpringBoot.assets\image-20200715113453865.png)]

    設定API文件的分組

    .groupName("狂神")

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    如何設定多個分組；多個Docket範例即可
    在这里插入图片描述

    五、 介面註釋

    在这里插入图片描述
    總結：

    1. 我們可以通過Swagger給一些比較難理解的屬性或者介面，增加註 加注釋資訊；
    2. 介面文件實時更新
    3. 可以線上測試

    Swagger是一個優秀的工具，幾乎所有的大公司都有使用它

    【注意點】在正式發佈的時候，關閉Swagger！！出於安全考慮，而且節省執行的記憶體。

    九、任務

    一、非同步任務

    1. 給要實現非同步任務加上註解 @Async

      @Service
public class AsyncService {
    @Async
    public void hello(){
        try {
            Thread.sleep(3000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println("數據正在處理...");
    }
}

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    2. 在main方法開啓非同步功能 @EnableAsync

      @EnableAsync // 開啓非同步註解功能
@SpringBootApplication
public class Springboot09TaskApplication {
    public static void main(String[] args) {
        SpringApplication.run(Springboot09TaskApplication.class, args);
    }
}

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    二、郵件任務

    1. 匯入依賴

      <dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-mail</artifactId>
</dependency>

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    2. 設定郵箱和密碼

      [email protected]
spring.mail.password=xxyyzzhhll
spring.mail.host=smtp.qq.com
# 開啓加密驗證
spring.mail.properties.mail.smtp.ssl.enable=true

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    3. 測試發送郵件(組合郵件，帶附件)

      @SpringBootTest
class Springboot09TaskApplicationTests {

      <span class="token annotation punctuation">@Autowired</span>
JavaMailSenderImpl mailSender<span class="token punctuation">;</span>

<span class="token annotation punctuation">@Test</span>
<span class="token keyword">void</span> <span class="token function">contextLoads2</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token keyword">throws</span> MessagingException <span class="token punctuation">{</span>

    <span class="token comment">//一個複雜的郵件</span>
    MimeMessage mimeMessage <span class="token operator">=</span> mailSender<span class="token punctuation">.</span><span class="token function">createMimeMessage</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token comment">//組裝</span>
    MimeMessageHelper helper <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">MimeMessageHelper</span><span class="token punctuation">(</span>mimeMessage<span class="token punctuation">,</span> <span class="token boolean">true</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token comment">//正文</span>
    helper<span class="token punctuation">.</span><span class="token function">setSubject</span><span class="token punctuation">(</span><span class="token string">"Test"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    helper<span class="token punctuation">.</span><span class="token function">setText</span><span class="token punctuation">(</span><span class="token string">"&lt;h2 style='color:red'&gt; 這是一封測試郵件 &lt;/h2&gt;"</span><span class="token punctuation">,</span><span class="token boolean">true</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token comment">//附件</span>
    helper<span class="token punctuation">.</span><span class="token function">addAttachment</span><span class="token punctuation">(</span><span class="token string">"data1"</span><span class="token punctuation">,</span><span class="token keyword">new</span> <span class="token class-name">File</span><span class="token punctuation">(</span><span class="token string">"D:\\testdata\\2017-01-01.xls"</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

    helper<span class="token punctuation">.</span><span class="token function">setTo</span><span class="token punctuation">(</span><span class="token string">"[email protected]"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    helper<span class="token punctuation">.</span><span class="token function">setFrom</span><span class="token punctuation">(</span><span class="token string">"[email protected]"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

    mailSender<span class="token punctuation">.</span><span class="token function">send</span><span class="token punctuation">(</span>mimeMessage<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
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    三、定時任務

    1. TaskScheduler 任務排程者
    2. TaskExecutor 任務執行者
    3. @EnableScheduling 開啓定時功能的註解
    4. @Scheduled 什麼時候執行
    5. Cron表達式

    1. 編寫定時服務

      @Service
public class ScheduledService {

      <span class="token comment">//在一個特定的時間執行這個方法</span>

<span class="token comment">//cron 表達式</span>
<span class="token comment">//秒 分 時 日 月 周幾</span>

<span class="token comment">/*
    30 17 17 * * ?  每天10點15分30 執行一次
    30 0/5 10,18 * * ?  每天10點和18點，每隔五分鐘執行一次
*/</span>

<span class="token annotation punctuation">@Scheduled</span><span class="token punctuation">(</span>cron <span class="token operator">=</span> <span class="token string">"30 17 17 * * ?"</span><span class="token punctuation">)</span>
<span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">Hello</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
    System<span class="token punctuation">.</span>out<span class="token punctuation">.</span><span class="token function">println</span><span class="token punctuation">(</span><span class="token string">"hello,被執行了!"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>

    }

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  • 在啓動類開啓定時功能

    @EnableAsync // 開啓非同步註解功能
@EnableScheduling //開啓定時功能的註解
@SpringBootApplication
public class Springboot09TaskApplication {
    public static void main(String[] args) {
        SpringApplication.run(Springboot09TaskApplication.class, args);
    }
}

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    • 十、整合Redis

    單獨整理

    十一、分佈式Dubbo + Zookeeper

    zookeeper ：註冊中心

    dubbo-admin : 監控管理後臺，查我們註冊了哪些服務，哪些服務被消費了

    Dubbo：jar包

    步驟：

    前提：zookeeper服務已啓動

    1. 提供者提供服務

      • 匯入依賴

      • 設定註冊中心的地址，以及服務發現名，和要掃描的包

        [外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-zrVrmA8F-1594913883205)(D:\我\MyBlog\狂神说 SpringBoot.assets\image-20200716230709998.png)]

      • 在想要被註冊的服務上面，再增加一個註解**@Service**（dubbo包下的）

    2. 消費者如何消費

      • 匯入依賴

      • 設定註冊中心的地址，設定自己的服務名
        [外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-ACONokw7-1594913883207)(D:\我\MyBlog\狂神说 SpringBoot.assets\image-20200716230419673.png)]

      • 從遠端注入服務 @Reference

    微服務架構存在的問題:

    分佈式架構會遇到的四個核心問題

    1. 這麼多服務，用戶端該如何去存取
    2. 這麼多服務，服務之間如何進行通訊
    3. 這麼多服務，如何管理
    4. 服務掛了，該怎麼辦

    ==》 解決方案：

    ​ SpringCloud，是一套生態，就是用來解決以上分佈式架構的4個問題。

    ​ 想使用SpringCloud，必須掌握SpringBoot，因爲SpringCloud是基於SpringBoot的

    1. API閘道器，服務路由
2. HTTP，RPC框架，非同步呼叫
3. 服務註冊與發現，高可用
4. 熔斷機制 機製，服務降級

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