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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