Springboot项目引入druid

<!-- https://mvnrepository.com/artifact/com.alibaba/druid-spring-boot-starter -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid-spring-boot-starter</artifactId>
            <version>1.2.6</version>
        </dependency>

spring:
  datasource:
      url: jdbc:mysql://192.168.199.100:33306/auto?serverTimezone=Asia/Shanghai&useUnicode=true&characterEncoding=UTF-8&autoReconnect=true&useSSL=false&zeroDateTimeBehavior=convertToNull
      username: root
      password: 123456
      driver-class-name: com.mysql.cj.jdbc.Driver
      type: com.alibaba.druid.pool.DruidDataSource
      initial-size: 1
      min-idle: 1
      max-active: 10
      max-wait: 60000
      #配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒
      time-between-eviction-runs-millis: 60000
      #配置一个连接在池中最小生存的时间，单位是毫秒
      min-evictable-idle-time-millis: 30000
      durid:
      #配置监控统计拦截的filters，stat:监控统计、log4j：日志记录、wall：防御sql注入
        filters: wall,stat,log4j

@SpringBootConfiguration
public class DruidConfig {
    
    //将自定义的 Druid数据源添加到容器中，不再让 Spring Boot 自动创建
    //绑定全局配置文件中的 druid 数据源属性到 com.alibaba.druid.pool.DruidDataSource从而让它们生效
    //@ConfigurationProperties(prefix = "spring.datasource")：作用就是将 全局配置文件中
    //前缀为 spring.datasource的属性值注入到 com.alibaba.druid.pool.DruidDataSource 的同名参数中
    @Bean
    @ConfigurationProperties(prefix = "spring.datasource")
    public DataSource druidDataSource() {
        return new DruidDataSource();
    }
    //配置 Druid 监控管理后台的Servlet；
    //内置 Servlet 容器时没有web.xml文件，所以使用 Spring Boot 的注册 Servlet 方式
    @Bean
    public ServletRegistrationBean registrationBean() {
        ServletRegistrationBean<StatViewServlet> bean = new ServletRegistrationBean<>(new StatViewServlet(), "/druid/*");
        Map<String, String> initParameters = new HashMap<>();
        initParameters.put("loginUsername", "admin");
        initParameters.put("loginPassword", "12345");
        bean.setInitParameters(initParameters);
        return bean;
    }
    //配置 Druid 监控 之  web 监控的 filter
    //WebStatFilter：用于配置Web和Druid数据源之间的管理关联监控统计
    @Bean
    public FilterRegistrationBean webStatFilter() {
        FilterRegistrationBean bean = new FilterRegistrationBean();
        bean.setFilter(new WebStatFilter());
        //exclusions：设置哪些请求进行过滤排除掉，从而不进行统计
        Map<String, String> initParams = new HashMap<>();
        initParams.put("exclusions", "*.js,*.css,/druid/*,/jdbc/*");
        bean.setInitParameters(initParams);
        //"/*" 表示过滤所有请求
        bean.setUrlPatterns(Arrays.asList("/*"));
        return bean;
    }
    /**
     * 去除Druid监控页面的广告
     */
    @Bean
    public FilterRegistrationBean removeDruidAdFilter() throws IOException {
        String text = Utils.readFromResource("support/http/resources/js/common.js");
        final String newJs = text.replace("this.buildFooter();", "");
        // 新建一个过滤器注册器对象
        FilterRegistrationBean<Filter> registration = new FilterRegistrationBean<>();
        // 注册common.js文件的过滤器
        registration.addUrlPatterns("/druid/js/common.js");
        // 添加一个匿名的过滤器对象,并把改造过的common.js文件内容写入到浏览器
        registration.setFilter((servletRequest, servletResponse, filterChain) -> {
            // 重置缓冲区，响应头不会被重置
            servletResponse.resetBuffer();
            // 把改造过的common.js文件内容写入到浏览器
            servletResponse.getWriter().write(newJs);
        });
        return registration;
    }
}

@SpringBootTest(classes = AutoApplication.class)
public class DuridTest {
    //DI注入数据源
    @Autowired
    private DataSource dataSource;
    @Test
    public void contextLoads() throws SQLException {
        //看一下默认数据源
        System.out.println(dataSource.getClass());
        //获得连接
        Connection connection = dataSource.getConnection();
        System.out.println(connection);
        DruidDataSource druidDataSource = (DruidDataSource) dataSource;
        System.out.println("druidDataSource 数据源最大连接数：" + druidDataSource.getMaxActive());
        System.out.println("druidDataSource 数据源初始化连接数：" + druidDataSource.getInitialSize());
        //关闭连接
        connection.close();
    }
}