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druid已经提供springboot支持

详情见:https://github.com/alibaba/druid/tree/master/druid-spring-boot-starter

添加依赖

说明,笔者springboot版本选择为1.5.6.REALEASE，避免大家趟坑

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>druid-spring-boot-starter</artifactId>
    <version>1.1.6</version>
</dependency>

配置druid

修改application.properties

#配置druid数据源,注意修改这里的数据库名
spring.datasource.druid.url=jdbc:mysql://localhost:3306/account?useUnicode=true&characterEncoding=utf8&characterSetResults=utf8&autoReconnect=true&failOverReadOnly=false&maxReconnects=10
spring.datasource.druid.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.druid.username=root
spring.datasource.druid.password=root
spring.datasource.druid.initial-size=1
spring.datasource.druid.max-active=20
spring.datasource.druid.min-idle=10
spring.datasource.druid.max-wait=60000
spring.datasource.druid.pool-prepared-statements=false
spring.datasource.druid.max-pool-prepared-statement-per-connection-size=20
spring.datasource.druid.validation-query=SELECT 1 from dual
spring.datasource.druid.test-on-borrow=false
spring.datasource.druid.test-on-return=false
spring.datasource.druid.test-while-idle=true
spring.datasource.druid.time-between-eviction-runs-millis=60000
spring.datasource.druid.min-evictable-idle-time-millis=300000

#配置druid filter
spring.datasource.druid.filters=stat
spring.datasource.druid.filter.stat.log-slow-sql=true
spring.datasource.druid.filter.stat.slow-sql-millis=2000
spring.datasource.druid.filter.stat.merge-sql=true
spring.datasource.druid.filter.stat.db-type=mysql
spring.datasource.druid.filter.stat.enabled=true
#对被认为是攻击的SQL进行LOG.error输出
spring.datasource.druid.filter.wall.log-violation=true
#对被认为是攻击的SQL抛出SQLExcepton
spring.datasource.druid.filter.wall.throw-exception=true

#配置druid web-stat-filter
spring.datasource.druid.web-stat-filter.enabled=true
spring.datasource.druid.web-stat-filter.url-pattern=/*
spring.datasource.druid.web-stat-filter.exclusions=*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*
spring.datasource.druid.stat-view-servlet.allow=127.0.0.1

#配置druid StatViewServlet
spring.datasource.druid.stat-view-servlet.enabled=true
spring.datasource.druid.stat-view-servlet.login-username=admin
spring.datasource.druid.stat-view-servlet.login-password=admin
spring.datasource.druid.stat-view-servlet.url-pattern=/druid/*
spring.datasource.druid.stat-view-servlet.reset-enable=true

增加druid配置类DruidConfig

@Configuration
public class DruidConfig {

    @Primary
    @Bean
    @ConfigurationProperties("spring.datasource.druid")
    public DataSource dataSourceOne(){
        return DruidDataSourceBuilder.create().build();
    }
}