一文秒懂springboot druid 配置
Druid是阿里巴巴开发的一个连接池,他提供了一个高效、功能强大、可扩展性好的数据库连接池,区别于hikari。如果选择高性能可以选hikari,如果要功能多就选,druid。
首先pom引入依赖
<dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.2.6</version> </dependency>
然后yml配置参数
server: port: 8888 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: 10 minIdle: 1 maxActive: 10 maxWait: 10000 timeBetweenEvictionRunsMillis: 6000 minEvictableIdleTimeMillis: 300000 testWhileIdle: true testOnBorrow: true testOnReturn: true poolPreparedStatements: true maxPoolPreparedStatementPerConnectionSize: 20 validationQuery: select 1 # stat 监控统计,wall 防止sql注入,log4j (yml 要配置,不然会报错) 日志统计 filters: stat,wall,log4j
然后在项目config下配置参数
import java.util.HashMap; @Configuration public class DruidConfig implements WebMvcConfigurer { @Bean @ConfigurationProperties(prefix = "spring.datasource") public DataSource druidDataSource(){ return new DruidDataSource(); } //后台监控 @Bean public ServletRegistrationBean statViewServlet(){ ServletRegistrationBean<StatViewServlet> statViewServlet = new ServletRegistrationBean<>(new StatViewServlet(), "/druid/*"); //配置后台登录用户名密码 HashMap<String, String> objectObjectHashMap = new HashMap<>(); //用户名参数密码不能改变,系统配置 objectObjectHashMap.put("loginUsername","admin"); objectObjectHashMap.put("loginPassword","admin"); //允许谁可以访问 为空时所有人可以访问 例如:objectObjectHashMap.put("allow","localhost"); 代表只能自己访问 objectObjectHashMap.put("allow",""); //禁止谁访问 objectObjectHashMap.put("name","192.168.0.1"); statViewServlet.setInitParameters(objectObjectHashMap); return statViewServlet; } }
然后就可以在后台输入 项目地址/druid进行登录访问
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