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

        <!--MySQL依賴(lài)-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>
        <!--lombok依賴(lài)-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <!--springboot test依賴(lài)-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <!--mybatis-plus依賴(lài)-->
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>3.2.0</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid-spring-boot-`在這里插入代碼片`starter</artifactId>
            <version>1.1.10</version>
        </dependency>

# 配置Druid的配置類(lèi)
@Configuration
public class DruidMonitroConfiguration {
        // 1. 對(duì)于當(dāng)前這個(gè)配置僅僅是讓一個(gè)Druid監(jiān)控界面可以啟動(dòng)起來(lái)  但是具體里面的監(jiān)控項(xiàng)目還不能夠直接給我們提供支持,如果你要想使用以上這些所有的監(jiān)控項(xiàng)來(lái)監(jiān)控當(dāng)前的系統(tǒng)狀態(tài)暫時(shí)都無(wú)法使用，因?yàn)檫@些組件都是需額外的配置
    
    @Bean("druidStatViewServlet")
    public ServletRegistrationBean<StatViewServlet> getDruidStatViewServlet() {
        # druid的訪(fǎng)問(wèn)路徑
        ServletRegistrationBean<StatViewServlet> registrationBean
                = new ServletRegistrationBean<>(new StatViewServlet(), "/druid/*");

        registrationBean.addInitParameter(StatViewServlet.PARAM_NAME_ALLOW, "127.0.0.1");//白名單
# 黑名單沒(méi)有        registrationBean.addInitParameter(StatViewServlet.PARAM_NAME_DENY, "");//黑名單
        registrationBean.addInitParameter(StatViewServlet.PARAM_NAME_USERNAME, "admin");//用戶(hù)名
        registrationBean.addInitParameter(StatViewServlet.PARAM_NAME_PASSWORD, "admin");//密碼
        registrationBean.addInitParameter(StatViewServlet.PARAM_NAME_RESET_ENABLE, "true");//允許重置
        return registrationBean;
  }
######################2. 添加Druid對(duì)web的訪(fǎng)問(wèn)控制
    @Bean("webStatFilter")
    public WebStatFilter getWebStatFilter() {
        WebStatFilter statFilter = new WebStatFilter();
        statFilter.setSessionStatEnable(true);// 對(duì)session進(jìn)行監(jiān)控
        return statFilter;
    }

    // 配置好了一個(gè)web監(jiān)控的處理
    @Bean
    @DependsOn("webStatFilter")
    public FilterRegistrationBean<WebStatFilter> getDruidStatViewServlet(WebStatFilter webStatFilter) {
        FilterRegistrationBean<WebStatFilter> registrationBean
                = new FilterRegistrationBean<>(webStatFilter);
        registrationBean.addUrlPatterns("/*"); //對(duì)所有的路徑都進(jìn)行監(jiān)控配置
        registrationBean.addInitParameter
                (WebStatFilter.PARAM_NAME_EXCLUSIONS, "*.js,*.gif,/druid/*");// 排除路徑
        return registrationBean;


    }

}

yaml
spring:

    datasource:
      # 1. DRUID 數(shù)據(jù)源的類(lèi)型
      type: com.alibaba.druid.pool.DruidDataSource
      driver-class-name: com.mysql.cj.jdbc.Driver
      url: jdbc:mysql://127.0.0.1:3306/lvhao?useUnicode=true&characterEncoding=UTF-8&allowMultiQueries=true
      username: root
      password: root
      druid: # 定義數(shù)據(jù)庫(kù)連接處所需要的相關(guān)配置項(xiàng)
        initial-Size: 5  # 初始化連接池大小
        min-idle: 10  # 最小維持連接池大小
        max-active: 40 #最大可提供鏈接數(shù)量  你有多少人可以鏈接 呢么如果現(xiàn)在鏈接都滿(mǎn)的話(huà) 就等待
        max-wait: 5000 #等待時(shí)間  如果連接池滿(mǎn)的話(huà) 最長(zhǎng)的等待時(shí)間
        time-between-eviction-runs-millis: 4000 # 關(guān)閉空閑鏈接間隔 長(zhǎng)期不使用的鏈接(我需要釋放)
        min-evictable-idle-time-millis: 3000 #l鏈接的最小生存時(shí)間
        validation-query: SELECT 1 FROM DUAL #數(shù)據(jù)庫(kù)的狀態(tài)的鏈接檢查
        test-while-idle: true # 判斷是否為可用鏈接 拿到一個(gè)可用鏈接之后 在進(jìn)行一個(gè)后續(xù)可用處理
        test-on-borrow: false #  在鏈接前是否需要測(cè)試
        test-on-return: false #歸還鏈接前是否要測(cè)試

spring:

    datasource:
      # 1. DRUID 數(shù)據(jù)源的類(lèi)型
      type: com.alibaba.druid.pool.DruidDataSource
      driver-class-name: com.mysql.cj.jdbc.Driver
      url: jdbc:mysql://127.0.0.1:3306/lvhao?useUnicode=true&characterEncoding=UTF-8&allowMultiQueries=true
      username: root
      password: abce1qaz
      druid: # 定義數(shù)據(jù)庫(kù)連接處所需要的相關(guān)配置項(xiàng)
        initial-Size: 5  # 初始化連接池大小
        min-idle: 10  # 最小維持連接池大小
        max-active: 40 #最大可提供鏈接數(shù)量  你有多少人可以鏈接 呢么如果現(xiàn)在鏈接都滿(mǎn)的話(huà) 就等待
        max-wait: 5000 #等待時(shí)間  如果連接池滿(mǎn)的話(huà) 最長(zhǎng)的等待時(shí)間
        time-between-eviction-runs-millis: 4000 # 關(guān)閉空閑鏈接間隔 長(zhǎng)期不使用的鏈接(我需要釋放)
        min-evictable-idle-time-millis: 3000 #l鏈接的最小生存時(shí)間
        validation-query: SELECT 1 FROM DUAL #數(shù)據(jù)庫(kù)的狀態(tài)的鏈接檢查
        test-while-idle: true # 判斷是否為可用鏈接 拿到一個(gè)可用鏈接之后 在進(jìn)行一個(gè)后續(xù)可用處理
        test-on-borrow: false #  在鏈接前是否需要測(cè)試
        test-on-return: false #歸還鏈接前是否要測(cè)試
        #--------------man sql
        filter:
          stat:
            merge-sql: true # 統(tǒng)計(jì)相同的sql
            log-slow-sql: true # 記錄慢sql
#            slow-sql-millis: 2000 # 慢slq執(zhí)行時(shí)間標(biāo)準(zhǔn)
            slow-sql-millis: 1 # 慢slq執(zhí)行時(shí)間標(biāo)準(zhǔn)
		防火墻的配置
          wall:
            enabled: true #k開(kāi)啟sql防火墻
            config:
              multi-statement-allow: true #允許執(zhí)行批處理
              delete-allow: false # 不允許執(zhí)行刪除

@RestController
@RequestMapping("/echo/test")
public class TestController3 {
    @Autowired
    private UserDAO userDAO;

    @GetMapping("/insert")
    public Object echo() {
        for (int i = 0; i < 5; i++) {
            User user = new User();

            user.setId("11"+i);
            user.setName("zhangsan"+i );
            user.setAge(11);
            user.setBir(new Date());
            userDAO.insert(user);
        }
        return "1";
    }
    @GetMapping("/delete")
    public Object delete() {
        QueryWrapper<User> objectQueryWrapper = new QueryWrapper<>();
        objectQueryWrapper.eq("id",110);
        userDAO.delete(objectQueryWrapper);
        return "1";
    }

}