SpringBoot Druid整合,SpringBoot 集成Druid
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©Copyright 蕃薯耀 2018年4月8日
http://www.cnblogs.com/fanshuyao/
源代码下载见:http://fanshuyao.iteye.com/blog/2415353
一、SpringBoot引入Druid的依赖包
- <dependency>
- <groupId>mysql</groupId>
- <artifactId>mysql-connector-java</artifactId>
- <scope>runtime</scope>
- </dependency>
- <dependency>
- <groupId>com.alibaba</groupId>
- <artifactId>druid</artifactId>
- <version>1.1.9</version>
- </dependency>
二、设置配置文件application.properties
- spring.datasource.url=jdbc:mysql://192.168.1.166:3306/study
- spring.datasource.driver-class-name=com.mysql.jdbc.Driver
- spring.datasource.username=root
- spring.datasource.password=root
- spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
- #spring.datasource.schema=
- #数据源其他配置,需要增加Druid的配置类(不然不生效)
- #配置见:com.lqy.springboot.datasource.druid.DruidConfig
- 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
- #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
- spring.datasource.maxPoolPreparedStatementPerConnectionSize=20
- spring.datasource.useGlobalDataSourceStat=true
- spring.datasource.connectionProperties=druid.stat.mergeSql=true;druid.stat.slowSqlMillis=500
三、增加Druid自定义配置类
为什么要增加呢?
因为SpringBoot本身提供的配置只是部分的数据库连接配置,很多Druid需要的属性配置是没有的,如:
- spring.datasource.initialSize
这个属性,SpringBoot是没有的,只有Druid才有,所以需要增加相应的配置类,自动注入。
DruidConfig 类:
- import java.util.Arrays;
- import java.util.HashMap;
- import java.util.Map;
- import javax.sql.DataSource;
- 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 com.alibaba.druid.pool.DruidDataSource;
- import com.alibaba.druid.support.http.StatViewServlet;
- import com.alibaba.druid.support.http.WebStatFilter;
- /**
- * 导入druid数据源,扩展相关的配置属性
- *
- */
- @Configuration
- public class DruidConfig {
- /**
- * 配置Druid的属性,和DataSource进行绑定,前缀设置为:spring.datasource
- * 不配置的话,很多初始化的属性是没有绑定的
- * @return
- */
- @Bean
- @ConfigurationProperties(prefix="spring.datasource")
- public DataSource druid() {
- return new DruidDataSource();
- }
- /**
- * 配置druid监控
- * 配置一个管理后台的servlet
- * 访问地址:http://localhost:8080/druid/
- * @return
- */
- @Bean
- public ServletRegistrationBean statViewServlet() {
- ServletRegistrationBean bean = new ServletRegistrationBean(new StatViewServlet(), "/druid/*");
- Map<String, String> initParameters = new HashMap<String, String>();
- initParameters.put("loginUsername", "admin");//属性见:com.alibaba.druid.support.http.ResourceServlet
- initParameters.put("loginPassword", "123456");
- initParameters.put("allow", "");//默认允许所有
- initParameters.put("deny", "");
- bean.setInitParameters(initParameters);
- return bean;
- }
- /**
- * 配置一个web监控的filter
- * @return
- */
- @Bean
- public FilterRegistrationBean webStatFilter() {
- FilterRegistrationBean filterBean = new FilterRegistrationBean();
- filterBean.setFilter(new WebStatFilter());
- filterBean.setUrlPatterns(Arrays.asList("/*"));
- Map<String, String> initParameters = new HashMap<String, String>();
- initParameters.put("exclusions", "*.js,*.css,/druid/*");//属性见:com.alibaba.druid.support.http.WebStatFilter
- filterBean.setInitParameters(initParameters);
- return filterBean;
- }
- }
四、启动项目,测试数据源连接:
- import java.sql.Connection;
- import java.sql.SQLException;
- import javax.sql.DataSource;
- import org.springframework.beans.factory.annotation.Autowired;
- import org.springframework.web.bind.annotation.RequestMapping;
- import org.springframework.web.bind.annotation.RestController;
- @RestController
- public class DataSourceController {
- @Autowired
- private DataSource dataSource;
- @RequestMapping("/dataSource")
- public String dataSource() {
- try {
- System.out.println("dataSource = "+dataSource);
- Connection conn = dataSource.getConnection();
- System.out.println("conn = "+conn);
- return "success";
- } catch (SQLException e) {
- e.printStackTrace();
- }
- return "end.";
- }
- }
五、查看Druid的监控
浏览器打开:http://localhost:8080/druid
登录的账号密码在DruidConfig类配置有
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©Copyright 蕃薯耀 2018年4月8日
http://www.cnblogs.com/fanshuyao/