srpingboot 2.1.7 + druid 学习笔记一

Druid

github

Spring boot配置Druid

• pom

<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0modelVersion>
    <parent>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-starter-parentartifactId>
        <version>2.1.7.RELEASEversion>
        <relativePath/> 
    parent>
    <groupId>com.dygroupId>
    <artifactId>druidartifactId>
    <version>0.0.1-SNAPSHOTversion>
    <name>druidname>
    <description>Demo project for Spring Bootdescription>

    <properties>
        <java.version>1.8java.version>
    properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starterartifactId>
        dependency>
        <dependency>
            <groupId>org.projectlombokgroupId>
            <artifactId>lombokartifactId>
            <optional>trueoptional>
        dependency>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-testartifactId>
            <scope>testscope>
        dependency>

        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-webartifactId>
        dependency>
        <dependency>
            <groupId>com.alibabagroupId>
            <artifactId>druid-spring-boot-starterartifactId>
            <version>1.1.17version>
        dependency>
        <dependency>
            <groupId>mysqlgroupId>
            <artifactId>mysql-connector-javaartifactId>
            <scope>runtimescope>
        dependency>

        <dependency>
            <groupId>org.springframeworkgroupId>
            <artifactId>spring-jdbcartifactId>
        dependency>
    dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.bootgroupId>
                <artifactId>spring-boot-maven-pluginartifactId>
            plugin>
        plugins>
    build>

project>

• yml

spring:
  datasource:
    type: com.alibaba.druid.pool.DruidDataSource
    druid:
      driver-class-name: com.mysql.cj.jdbc.Driver
      url: jdbc:mysql://localhost:3306/vue_authentication?useUnicode=true&characterEncoding=utf-8&useSSL=true&serverTimezone=UTC
      username: root
      password: adminroot
      # 连接池的配置信息
      # 初始化大小，最小，最大
      initial-size: 5
      min-idle: 5
      maxActive: 20
      # 配置获取连接等待超时的时间
      maxWait: 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
      timeBetweenEvictionRunsMillis: 60000
      # 配置一个连接在池中最小生存的时间，单位是毫秒
      minEvictableIdleTimeMillis: 300000
      #是否缓存preparedStatement，也就是PSCache,PSCache对支持游标的数据库性能提升巨大，比如说oracle,在mysql下建议关闭。
      pool-prepared-statements: false
      #监控统计的stat,以及防sql注入的wall
      filters: stat,wall
      #Spring监控AOP切入点，如x.y.z.service.*,配置多个英文逗号分隔
      aop-patterns: com.web.springbootdruid.service.*
      # 进行监控配置
      web-stat-filter:
        #是否启用StatFilter默认值true
        enabled: true
        #添加过滤规则
        url-pattern: /*
        #忽略过滤的格式
        exclusions: "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*"
      stat-view-servlet:
        #是否启用StatViewServlet默认值true
        enabled: true
        #访问路径为/druid时，跳转到StatViewServlet  http://127.0.0.1:8080/druid
        url-pattern: "/druid/*"
        # 是否能够重置数据
        reset-enable: false
        # 需要账号密码才能访问控制台，默认为root
        login-username: admin
        login-password: 123456
        #IP白名单
        allow: 127.0.0.1
        # IP黑名单（共同存在时，deny优先于allow）
        deny:

• 打开监控界面 http://127.0.0.1:8080/druid

常见问题