springboot整合druid

pom.xml

    com.alibaba
    druid
    1.1.21



    log4j
    log4j
    1.2.17

application.yaml

spring:
  datasource:
    type: com.alibaba.druid.pool.DruidDataSource
    url: jdbc:mysql://127.0.0.1:3306/song?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
    username: root
    password: root
    driver-class-name: com.mysql.jdbc.Driver

    # SpringBoot默认是不注入这些属性值的,需要自己绑定
    # druid数据源专有配置
    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: stat,wall,log4j
    maxPoolPreparedStatementPerConnectionSize: 20
    useGlobalDataSourceStat: true
    connectionProperties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=500

DruidConfig

@Configuration
public class DruidConfig {

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

    // 后台监控功能: web.xml:ServletRegistrationBean
    // 因为SpringBoot内置了servlet容器,所有没有web.xml,替代方法:ServletRegistrationBean
    @Bean
    public ServletRegistrationBean statViewServlet() {
        ServletRegistrationBean bean = new ServletRegistrationBean<>(new StatViewServlet(), "/druid/*");

        // 后台需要有人登录,账号密码配置
        Map initParameters = new HashMap<>();
        // 增加配置 key是固定的
        initParameters.put("loginUsername", "admin");
        initParameters.put("loginPassword", "admin");
        // 允许谁可以访问
        initParameters.put("allow", "");
        // 禁止谁能访问
//        initParameters.put("songyuming", "192.168.0.222");

        bean.setInitParameters(initParameters);//设置初始化参数
        return bean;
    }

    // filter
    @Bean
    public FilterRegistrationBean webStatFilter() {
        FilterRegistrationBean bean = new FilterRegistrationBean<>();
        bean.setFilter(new WebStatFilter());

        // 可以过滤哪些请求呢?
        Map initParameters = new HashMap<>();
        // 这些东西不进行统计
        initParameters.put("exclusions", "*.js,*.css,/druid/*");

        bean.setInitParameters(initParameters);
        return bean;
    }

}