版权声明:看什么?6,你和我,走一波! https://blog.csdn.net/qq_31323797/article/details/84942582
1 整合Druid
1.1 引入配置
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<!--引入druid数据源-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.8</version>
</dependency>
1.2 配置
spring.datasource.username=root
spring.datasource.password=123456
spring.datasource.url=jdbc:mysql://127.0.0.1:3306/test?serverTimezone=GMT%2B8
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
# 指定类型
spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
1.3 测试
package com.gp6.springboot24;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.SQLException;
@RunWith(SpringRunner.class)
@SpringBootTest
public class Springboot24ApplicationTests {
@Autowired
DataSource dataSource;
@Test
public void contextLoads() throws SQLException {
// 数据源class com.alibaba.druid.pool.DruidDataSource
System.out.println("数据源" + dataSource.getClass());
Connection connection = dataSource.getConnection();
// 连接com.mysql.cj.jdbc.ConnectionImpl@14dc3f89
System.out.println("连接" + connection);
connection.close();
}
}
1.4 自定义Druid参数
spring.datasource.initialSize=5
spring.datasource.minIdle=5
spring.datasource.maxActive=20
spring.datasource.maxWait=60000
spring.datasource.timeBetweenEvictionRunsMillis=60000
spring.datasource.minEvictableIdleTimeMillis= 300000
spring.datasource.validationQuery=SELECT 1 FROM DUAL
spring.datasource.testWhileIdle=true
spring.datasource.testOnBorrow=false
spring.datasource.testOnReturn=false
spring.datasource.poolPreparedStatements=true
spring.datasource.maxPoolPreparedStatementPerConnectionSize=20
spring.datasource.useGlobalDataSourceStat=true
spring.datasource.connectionProperties=druid.stat.mergeSql=true;druid.stat.slowSqlMillis=500
#配置监控统计拦截的filters,去掉后监控界面sql无法统计,'wall'用于防火墙
spring.datasource.filters=[stat,wall,log4j]
- 配置不能生效,属性不在DataSourceProperties中
1.5 自定义Druid配置类
package com.gp6.springboot24.config;
import com.alibaba.druid.pool.DruidDataSource;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import javax.sql.DataSource;
@Configuration
public class DruidConfig {
@ConfigurationProperties(prefix = "spring.datasource")
@Bean
public DataSource druid() {
return new DruidDataSource();
}
}
1.6 测试
2 Druid监控配置
package com.gp6.springboot24.config;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import javax.sql.DataSource;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
@Configuration
public class DruidConfig {
@ConfigurationProperties(prefix = "spring.datasource")
@Bean
public DataSource druid() {
return new DruidDataSource();
}
/*
配置Druid的监控
1 配置一个管理后台的Servlet
//2 配置一个web监控的filter
*/
// 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");
// 默认就是允许所有访问
initParams.put("allow", "");
// 拒绝访问的ip
initParams.put("deny", "127.0.0.2");
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;
}
}