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maven依赖:
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
<version>1.1.10</version>
</dependency>
application.properties:
#阿里druid连接池驱动配置信息
#database
spring.datasource.type = com.alibaba.druid.pool.DruidDataSource
spring.datasource.url = jdbc:mysql://127.0.0.1:3306/crm?serverTimezone=UTC&characterEncoding=utf-8
spring.datasource.username = root
spring.datasource.password = root
spring.datasource.driver-class-name = com.mysql.jdbc.Driver
#连接池的配置信息
#初始化大小,最小,最大
spring.datasource.druid.initialSize=2
spring.datasource.druid.minIdle=2
spring.datasource.druid.maxActive=3
#配置获取连接等待超时的时间
spring.datasource.druid.maxWait=6000
#配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒
spring.datasource.druid.timeBetweenEvictionRunsMillis=60000
#超过时间限制是否回收
spring.datasource.druid.removeAbandoned=true
#超过时间限制多长
spring.datasource.druid.removeAbandonedTimeout=1800
#指定发生removeabandoned的时候,是否记录当前线程的堆栈信息到日志中
spring.datasource.druid.logAbandoned=true
#配置一个连接在池中最小生存的时间,单位是毫秒
spring.datasource.druid.minEvictableIdleTimeMillis=300000
#用来检测连接是否有效的sql,要求是一个查询语句
spring.datasource.druid.validationQuery=SELECT 1 FROM DUAL
#申请连接的时候检测
spring.datasource.druid.testWhileIdle=true
# 申请连接时执行validationQuery检测连接是否有效,配置为true会降低性能
spring.datasource.druid.testOnBorrow=false
#归还连接时执行validationQuery检测连接是否有效,配置为true会降低性能
spring.datasource.druid.testOnReturn=false
#打开PSCache,并且指定每个连接上PSCache的大小
spring.datasource.druid.poolPreparedStatements=true
spring.datasource.druid.maxPoolPreparedStatementPerConnectionSize=20
#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.druid.filters=stat,wall
#通过connectProperties属性来打开mergeSql功能;慢SQL记录
spring.datasource.druid.connectionProperties=druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000
DruidConfig:
package com.xinjianqiao.mian.config;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
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 org.springframework.context.annotation.Primary;
import javax.sql.DataSource;
import java.sql.SQLException;
@Configuration
public class DruidConfig {
private static final Logger LOGGER = LoggerFactory.getLogger(DruidConfig.class);
@Value("${spring.datasource.driver-class-name}")
private String driverClassName;
@Value("${spring.datasource.url}")
private String url;
@Value("${spring.datasource.username}")
private String username;
@Value("${spring.datasource.password}")
private String password;
@Value("${spring.datasource.druid.initialSize}")
private int initialSize;
@Value("${spring.datasource.druid.minIdle}")
private int minIdle;
@Value("${spring.datasource.druid.maxActive}")
private int maxActive;
@Value("${spring.datasource.druid.maxWait}")
private int maxWait;
@Value("${spring.datasource.druid.validationQuery}")
private String validationQuery;
@Value("${spring.datasource.druid.testOnBorrow}")
private boolean testOnBorrow;
@Value("${spring.datasource.druid.testOnReturn}")
private boolean testOnReturn;
@Value("${spring.datasource.druid.testWhileIdle}")
private boolean testWhileIdle;
@Value("${spring.datasource.druid.timeBetweenEvictionRunsMillis}")
private int timeBetweenEvictionRunsMillis;
@Value("${spring.datasource.druid.minEvictableIdleTimeMillis}")
private int minEvictableIdleTimeMillis;
@Value("${spring.datasource.druid.removeAbandoned}")
private boolean removeAbandoned;
@Value("${spring.datasource.druid.removeAbandonedTimeout}")
private int removeAbandonedTimeout;
@Value("${spring.datasource.druid.logAbandoned}")
private boolean logAbandoned;
@Value("${spring.datasource.druid.filters}")
private String filters;
@Value("${spring.datasource.druid.poolPreparedStatements}")
private boolean poolPreparedStatements;
@Value("${spring.datasource.druid.maxPoolPreparedStatementPerConnectionSize}")
private int maxPoolPreparedStatementPerConnectionSize;
@Bean(destroyMethod = "close", initMethod = "init")
@Primary
public DataSource dataSource() {
DruidDataSource datasource = new DruidDataSource();
datasource.setDriverClassName(driverClassName);
datasource.setUrl(url);
datasource.setUsername(username);
datasource.setPassword(password);
//其它配置
datasource.setInitialSize(initialSize);
datasource.setMinIdle(minIdle);
datasource.setMaxActive(maxActive);
datasource.setMaxWait(maxWait);
datasource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
datasource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
datasource.setValidationQuery(validationQuery);
datasource.setTestWhileIdle(testWhileIdle);
datasource.setTestOnBorrow(testOnBorrow);
datasource.setTestOnReturn(testOnReturn);
datasource.setPoolPreparedStatements(poolPreparedStatements);
datasource.setMaxPoolPreparedStatementPerConnectionSize(maxPoolPreparedStatementPerConnectionSize);
try {
datasource.setFilters(filters);
} catch (SQLException e) {
LOGGER.error("druid configuration initialization filter", e);
}
return datasource;
}
/**
* 注册一个StatViewServlet
* @return
*/
@Bean
public ServletRegistrationBean DruidStatViewServle(){
ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(),"/druid/*");
//添加初始化参数:initParams
/** 白名单,如果不配置或value为空,则允许所有 */
servletRegistrationBean.addInitParameter("allow","127.0.0.1,192.0.0.1");
/** 黑名单,与白名单存在相同IP时,优先于白名单 */
servletRegistrationBean.addInitParameter("deny","192.0.0.1");
/** 用户名 */
servletRegistrationBean.addInitParameter("loginUsername","admin");
/** 密码 */
servletRegistrationBean.addInitParameter("loginPassword","admin");
/** 禁用页面上的“Reset All”功能 */
servletRegistrationBean.addInitParameter("resetEnable","false");
return servletRegistrationBean;
}
/**
* 注册一个:WebStatFilter
* @return
*/
@Bean
public FilterRegistrationBean druidStatFilter() {
FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(new WebStatFilter());
/** 过滤规则 */
filterRegistrationBean.addUrlPatterns("/*");
/** 忽略资源 */
filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");
return filterRegistrationBean;
}
}
SpringDaoMethodAspect:
package com.xinjianqiao.mian.config;
import com.alibaba.druid.support.spring.stat.DruidStatInterceptor;
import org.springframework.aop.support.DefaultPointcutAdvisor;
import org.springframework.aop.support.JdkRegexpMethodPointcut;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Scope;
@Configuration
public class SpringDaoMethodAspect {
@Bean
public DruidStatInterceptor druidStatInterceptor() {
DruidStatInterceptor dsInterceptor = new DruidStatInterceptor();
return dsInterceptor;
}
@Bean
@Scope("prototype")
public JdkRegexpMethodPointcut druidStatPointcut() {
JdkRegexpMethodPointcut pointcut = new JdkRegexpMethodPointcut();
pointcut.setPattern("com.xinjianqiao.mian.dao.*");
return pointcut;
}
@Bean
public DefaultPointcutAdvisor druidStatAdvisor(DruidStatInterceptor druidStatInterceptor, JdkRegexpMethodPointcut druidStatPointcut) {
DefaultPointcutAdvisor defaultPointAdvisor = new DefaultPointcutAdvisor();
defaultPointAdvisor.setPointcut(druidStatPointcut);
defaultPointAdvisor.setAdvice(druidStatInterceptor);
return defaultPointAdvisor;
}
}
附:servlet实现监控:
DruidConfig:
package com.xinjianqiao.mian.config;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
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 org.springframework.context.annotation.Primary;
import javax.sql.DataSource;
import java.sql.SQLException;
@Configuration
public class DruidConfig {
private static final Logger LOGGER = LoggerFactory.getLogger(DruidConfig.class);
@Value("${spring.datasource.driver-class-name}")
private String driverClassName;
@Value("${spring.datasource.url}")
private String url;
@Value("${spring.datasource.username}")
private String username;
@Value("${spring.datasource.password}")
private String password;
@Value("${spring.datasource.druid.initialSize}")
private int initialSize;
@Value("${spring.datasource.druid.minIdle}")
private int minIdle;
@Value("${spring.datasource.druid.maxActive}")
private int maxActive;
@Value("${spring.datasource.druid.maxWait}")
private int maxWait;
@Value("${spring.datasource.druid.validationQuery}")
private String validationQuery;
@Value("${spring.datasource.druid.testOnBorrow}")
private boolean testOnBorrow;
@Value("${spring.datasource.druid.testOnReturn}")
private boolean testOnReturn;
@Value("${spring.datasource.druid.testWhileIdle}")
private boolean testWhileIdle;
@Value("${spring.datasource.druid.timeBetweenEvictionRunsMillis}")
private int timeBetweenEvictionRunsMillis;
@Value("${spring.datasource.druid.minEvictableIdleTimeMillis}")
private int minEvictableIdleTimeMillis;
@Value("${spring.datasource.druid.removeAbandoned}")
private boolean removeAbandoned;
@Value("${spring.datasource.druid.removeAbandonedTimeout}")
private int removeAbandonedTimeout;
@Value("${spring.datasource.druid.logAbandoned}")
private boolean logAbandoned;
@Value("${spring.datasource.druid.filters}")
private String filters;
@Value("${spring.datasource.druid.poolPreparedStatements}")
private boolean poolPreparedStatements;
@Value("${spring.datasource.druid.maxPoolPreparedStatementPerConnectionSize}")
private int maxPoolPreparedStatementPerConnectionSize;
@Bean(destroyMethod = "close", initMethod = "init")
@Primary
public DataSource dataSource() {
DruidDataSource datasource = new DruidDataSource();
datasource.setDriverClassName(driverClassName);
datasource.setUrl(url);
datasource.setUsername(username);
datasource.setPassword(password);
//其它配置
datasource.setInitialSize(initialSize);
datasource.setMinIdle(minIdle);
datasource.setMaxActive(maxActive);
datasource.setMaxWait(maxWait);
datasource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
datasource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
datasource.setValidationQuery(validationQuery);
datasource.setTestWhileIdle(testWhileIdle);
datasource.setTestOnBorrow(testOnBorrow);
datasource.setTestOnReturn(testOnReturn);
datasource.setPoolPreparedStatements(poolPreparedStatements);
datasource.setMaxPoolPreparedStatementPerConnectionSize(maxPoolPreparedStatementPerConnectionSize);
try {
datasource.setFilters(filters);
} catch (SQLException e) {
LOGGER.error("druid configuration initialization filter", e);
}
return datasource;
}
}
DruidStatFilter:
package com.xinjianqiao.mian.druid;
import com.alibaba.druid.support.http.WebStatFilter;
import javax.servlet.annotation.WebFilter;
import javax.servlet.annotation.WebInitParam;
@WebFilter(filterName="druidWebStatFilter",urlPatterns="/*",
initParams={
@WebInitParam(name="exclusions",value="*.js,*.gif,*.jpg,*.bmp,*.png,*.css,*.ico,/druid/*")//忽略资源
}
)
public class DruidStatFilter extends WebStatFilter {
}
DruidStatViewServlet:
package com.xinjianqiao.mian.druid;
import com.alibaba.druid.support.http.StatViewServlet;
import javax.servlet.annotation.WebInitParam;
import javax.servlet.annotation.WebServlet;
@WebServlet(urlPatterns="/druid/*",
initParams={
@WebInitParam(name="allow",value=""),// IP白名单(没有配置或者为空,则允许所有访问)
/* @WebInitParam(name="deny",value="192.168.188.130"),*/// IP黑名单 (存在共同时,deny优先于allow)
@WebInitParam(name="loginUsername",value="admin"),// 用户名
@WebInitParam(name="loginPassword",value="admin"),// 密码
@WebInitParam(name="resetEnable",value="false")// 禁用HTML页面上的“Reset All”功能
})
public class DruidStatViewServlet extends StatViewServlet {
private static final long serialVersionUID = -2688872071445249539L;
}
启动类添加扫描注解:
package com.xinjianqiao.mian;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletComponentScan;
import org.springframework.boot.web.support.SpringBootServletInitializer;
/**
*
* @author Administrator
* @date 2018/12/6
*/
@ServletComponentScan
@SpringBootApplication
@MapperScan(value = "com.xinjianqiao.mian.dao")
public class SpringbootStart extends SpringBootServletInitializer {
public static void main(String[] args){
SpringApplication.run(SpringbootStart.class,args);
}
}
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