SpringBoot配置Druid資料監控程式碼例項
阿新 • • 發佈:2020-06-10
druid,一個為監控而生的資料庫連線池,提供視覺化介面來檢視sql執行情況。
1、pom檔案引入druid資料來源
<!--druid資料來源--> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.1.8</version> </dependency>
2、新建一個DrruidConfig配置檔案
package com.example.mybatisplus.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; /** * druid資料池配置 */ @Configuration public class DruidConfig { @ConfigurationProperties(prefix = "spring.datasource") @Bean public DataSource druid(){ return new DruidDataSource(); } //配置Druid的監控 //1、配置一個管理後臺的Servlet @Bean public ServletRegistrationBean statViewServlet(){ ServletRegistrationBean bean = new ServletRegistrationBean(new StatViewServlet(),"/druid/*"); Map<String,String> initParams = new HashMap<>(); //配置登入的賬號密碼 initParams.put("loginUsername","admin"); initParams.put("loginPassword","123456"); // initParams.put("deny","localhost"); //拒絕誰登入 //是否能夠重置資料. // bean.addInitParameter("resetEnable","false"); bean.setInitParameters(initParams); return bean; } //2、配置一個web監控的filter @Bean public FilterRegistrationBean webStatFilter(){ FilterRegistrationBean bean = new FilterRegistrationBean(); bean.setFilter(new WebStatFilter()); Map<String,String> initParams = new HashMap<>(); initParams.put("exclusions","*.html,*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*"); bean.setInitParameters(initParams); bean.setUrlPatterns(Arrays.asList("/*")); return bean; } }
3、yml檔案配置
spring: datasource: schema: - classpath:schema.sql initialization-mode: ALWAYS username: root password: root url: jdbc:mysql://localhost:3306/jdbc?serverTimezone=UTC&useUnicode=true&characterEncoding=utf8&useSSL=false driver-class-name: com.mysql.cj.jdbc.Driver # type: com.alibaba.druid.pool.DruidDataSource 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,去掉後監控介面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
以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支援我們。