这篇文章主要讲解了SpringBoot如何整合Druid数据库连接池,内容清晰明了,对此有兴趣的小伙伴可以学习一下,相信大家阅读完之后会有帮助。
一,Druid是什么?
Druid是Java语言中最好的数据库连接池。Druid能够提供强大的监控和扩展功能。
二, 在哪里下载druid
maven中央仓库: http://central.maven.org/maven2/com/alibaba/druid/
三, 怎么获取Druid的源码
Druid是一个开源项目,源码托管在github上,源代码仓库地址是 https://github.com/alibaba/druid。同时每次Druid发布正式版本和快照的时候,都会把源码打包,你可以从上面的下载地址中找到相关版本的源码
项目配置
pom.xml
<dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.1.10</version> </dependency> <!--自启动Druid管理后台--> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid-spring-boot-starter</artifactId> <version>1.1.10</version> </dependency>
application.yml
server: port: 8080 spring: datasource: username: root password: root url: jdbc:mysql://localhost:3306/mybatis?useUnicode=true&characterEncoding=utf-8&useSSL=true&serverTimezone=UTC 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 maxPoolPreparedStatementPerConnectionSize: 25 filters: stat,wall,slf4j connectionProperties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=500 useGlobalDataSourceStat: true cache: type: redis redis: host: 127.0.0.1 port: 6379 password: pool: max-active: 100 max-idle: 10 max-wait: 100000 lettuce: shutdown-timeout: 0 timeout: 5000 database: 0 thymeleaf: cache: false; mybatis: mapper-locations: classpath:zhw.example.zhw.loginModule.loginDao/*.xml
配置JdbcConfig
package zhw.example.zhw.loginModule.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.Collections; import java.util.HashMap; import java.util.Map; @Configuration public class JdbcConfig { @ConfigurationProperties(prefix = "spring.datasource") @Bean public DataSource dataSource(){ return new DruidDataSource(); } /** * 配置Druid监控 * * @return StatViewServlet */ @Bean public ServletRegistrationBean servletRegistrationBean() { ServletRegistrationBean<StatViewServlet> bean = new ServletRegistrationBean<>(new StatViewServlet(), "/druid/*"); Map<String, String> map = new HashMap<>(); //访问的用户名密码 map.put(StatViewServlet.PARAM_NAME_USERNAME, "root"); map.put(StatViewServlet.PARAM_NAME_PASSWORD, "root"); //允许访问的ip,默认是所有ip map.put(StatViewServlet.PARAM_NAME_ALLOW, ""); //禁止访问的ip map.put(StatViewServlet.PARAM_NAME_DENY, "192.168.1.1"); bean.setInitParameters(map); return bean; } /** * 配置一个监控的filter * * @return WebStatFilter */ @Bean public FilterRegistrationBean filterRegistrationBean() { FilterRegistrationBean<WebStatFilter> bean = new FilterRegistrationBean<>(); bean.setFilter(new WebStatFilter()); Map<String, String> map = new HashMap<>(); //移除这些监听 map.put(WebStatFilter.PARAM_NAME_EXCLUSIONS, "*.js,*.css,/druid/*,*.gif,*.jpg,*.png"); bean.setInitParameters(map); //拦截所有请求,全部都要走druid监听 bean.setUrlPatterns(Collections.singletonList("/*")); return bean; } }
测试配置url白名单
如果工程中配置了Apache Shiro,需要在配置类中添加白名单
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