SpringBoot2.x整合Druid數據源

一、引入Jar包

        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>2.0.1</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</artifactId>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.1.12</version>
        </dependency> 

 

 

二、application.yml配置

#數據源
spring:
  datasource:
    username: root
    password: root
    url: jdbc:mysql://127.0.0.1:3306/maoyan?useUnicode=true&characterEncoding=UTF-8
    driver-class-name: com.mysql.cj.jdbc.Driver
    type: com.alibaba.druid.pool.DruidDataSource

    #   數據源其他配置
    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
    #   配置監控統計攔截的filters，去掉后監控界面sql無法統計，'wall'用於防火牆
    filters: stat,wall
    maxPoolPreparedStatementPerConnectionSize: 20
    useGlobalDataSourceStat: true
    connectionProperties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=500

 

 

三、讀取配置類DruidConfig

/**
 *  數據源配置類
 */
@Configuration
public class DruidConfig {
    // 將所有前綴為spring.datasource下的配置項都加載到DataSource中
    @ConfigurationProperties(prefix = "spring.datasource")
    @Bean
    public DataSource druidDataSource() {
        return new DruidDataSource();
    }

    @Bean
    public ServletRegistrationBean statViewServlet() {
        ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(), "/druid/*");
        // 添加IP白名單
        servletRegistrationBean.addInitParameter("allow", "127.0.0.1");
        // 添加IP黑名單，當白名單和黑名單重復時，黑名單優先級更高
        servletRegistrationBean.addInitParameter("deny", "127.0.0.1");
        // 添加控制台管理用戶
        servletRegistrationBean.addInitParameter("loginUsername", "admin");
        servletRegistrationBean.addInitParameter("loginPassword", "123456");
        // 是否能夠重置數據
        servletRegistrationBean.addInitParameter("resetEnable", "false");
        return servletRegistrationBean;
    }

    /**
     * 配置服務過濾器
     *
     * @return 返回過濾器配置對象
     */
    @Bean
    public FilterRegistrationBean statFilter() {
        FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(new WebStatFilter());
        // 添加過濾規則
        filterRegistrationBean.addUrlPatterns("/*");
        // 忽略過濾格式
        filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*,");
        return filterRegistrationBean;
    }
}

 

四、訪問http://localhost:8080/druid/login.html