Druid 完整配置---解决sql监控无记录

最新推荐文章于 2022-12-03 23:44:30 发布

鸿鹄惊云

最新推荐文章于 2022-12-03 23:44:30 发布

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文章标签： sql springboot

本文链接：https://blog.csdn.net/qq_39388871/article/details/127481598

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今天用springboot整合Druid，并且监控sql，按照狂神视频介绍测试，发现没有SQL，通过百度发现是因为没有filter，看别人帖子说是yml配置错了，我也参考配置一下。
在这里插入图片描述
maven导入 druid-spring-boot-starter

        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid-spring-boot-starter</artifactId>
            <version>1.2.6</version>
        </dependency>

可能最新的yml配置提示为spring.datasource.druid，

spring:
  # mysql配置
  datasource:
    druid:
      username: root
      password: root
      url: jdbc:mysql://localhost:3306/springboot?useUnicode=true&characterEncoding=utf8&serverTimezone=Asia/Shanghai
      driver-class-name: com.mysql.cj.jdbc.Driver
      type: com.alibaba.druid.pool.DruidDataSource
      filters: stat
      test-on-borrow: false
      test-while-idle: false
      #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
      #如果允许报错，java.lang.ClassNotFoundException: org.apache.Log4j.Properity
      #则导入log4j 依赖就行
      initialSize: 5
      minIdle: 5
      maxActive: 20
      maxWait: 60000
      timeBetweenEvictionRunsMillis: 60000
      minEvictableIdleTimeMillis: 300000
      validationQuery: SELECT 1 FROM DUAL
      testWhileIdle: true
      testOnBorrow: false
      testOnReturn: false
      poolPreparedStatements: true

      #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
      #如果允许报错，java.lang.ClassNotFoundException: org.apache.Log4j.Properity
      #则导入log4j 依赖就行

      #！！！初始显示不了的位置！！！
      #filters: stat,wall,log4j
      maxPoolPreparedStatementPerConnectionSize: 20
      useGlobalDataSourceStat: true
      connectionoProperties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=500

配置servlet以及Filter：

@Configuration
public class DruidConfig {

    @ConfigurationProperties(prefix = "spring.datasource.druid")
    @Bean
    public DataSource druid(){
        return  new DruidDataSource();
    }

    //配置Druid的监控
    //1、配置一个管理后台的Servlet
    @Bean
    public ServletRegistrationBean statViewServlet(){
        ServletRegistrationBean bean = new ServletRegistrationBean(new StatViewServlet(), "/druid/*");
        Map<String,String> initParams = new HashMap<>();

        initParams.put("loginUsername","admin");
        initParams.put("loginPassword","123456");
        initParams.put("allow","");//默认就是允许所有访问
        //initParams.put("deny","127.0.0.1");

        bean.setInitParameters(initParams);
        return bean;
    }

    //2、配置一个web监控的filter
    @Bean
    public FilterRegistrationBean webStatFilter(){
        FilterRegistrationBean bean = new FilterRegistrationBean();
        bean.setFilter(new WebStatFilter());

        Map<String,String> initParams = new HashMap<>();
        initParams.put("exclusions","*.js,*.css,/druid/*");

        bean.setInitParameters(initParams);

        bean.setUrlPatterns(Arrays.asList("/*"));

        return  bean;
    }
}

注意：

@ConfigurationProperties(prefix = “spring.datasource.druid”) 前缀为 spring.datasource.druid，与yml匹配否则启动会报错{dataSource-1} inited
yml写完可以将鼠标点一下，看那一下层级是否正确

本人测试不写DataSource Bean也可以

    @ConfigurationProperties(prefix = "spring.datasource.druid")
    @Bean
    public DataSource druid(){
        return  new DruidDataSource();
    }