Spring Boot使用Druid进行维度的统计和监控

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 <modelVersion>4.0.0</modelVersion>
 <groupId>com.example</groupId>
 <artifactId>demo</artifactId>
 <packaging>war</packaging>
 <version>1.0-SNAPSHOT</version>
 <name>demo Maven Webapp</name>
 <properties>
  <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  <java.version>1.8</java.version>
  <druid.version>1.0.24</druid.version>
  <mysql.version>5.1.27</mysql.version>
  <spring-boot-admin.version>1.4.5</spring-boot-admin.version>
 </properties>
 <parent>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-parent</artifactId>
  <version>1.5.1.RELEASE</version>
  <relativePath/>
 </parent>
 <dependencies>
  <dependency>
   <groupId>junit</groupId>
   <artifactId>junit</artifactId>
   <version>3.8.1</version>
   <scope>test</scope>
  </dependency>
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-web</artifactId>
  </dependency>
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-actuator</artifactId>
  </dependency>
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-test</artifactId>
   <scope>test</scope>
  </dependency>
  <dependency>
   <groupId>de.codecentric</groupId>
   <artifactId>spring-boot-admin-starter-client</artifactId>
   <version>${spring-boot-admin.version}</version>
  </dependency>
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter</artifactId>
  </dependency>
  <dependency>
   <groupId>com.alibaba</groupId>
   <artifactId>druid</artifactId>
   <version>${druid.version}</version>
  </dependency>
  <dependency>
   <groupId>mysql</groupId>
   <artifactId>mysql-connector-java</artifactId>
   <version>${mysql.version}</version>
  </dependency>
 </dependencies>
 <build>
  <plugins>
   <plugin>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-maven-plugin</artifactId>
   </plugin>
   <plugin>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-maven-plugin </artifactId>
    <dependencies>
     <!--springloaded hot deploy -->
     <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>springloaded</artifactId>
      <systemPath>${basedir}/src/main/webapp/WEB-INF/lib/springloaded-1.2.5.RELEASE.jar</systemPath>
     </dependency>
    </dependencies>
    <executions>
     <execution>
      <goals>
       <goal>repackage</goal>
      </goals>
      <configuration>
       <classifier>exec</classifier>
      </configuration>
     </execution>
    </executions>
   </plugin>
  </plugins>
 </build>
</project>

server.context-path=/springbootdemo
#数据库访问配置
spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:3306/myblog
spring.datasource.username=root
spring.datasource.password=root
#数据源配置，初始化大小、最小、最大
spring.datasource.initialSize=5
spring.datasource.minIdle=5
spring.datasource.maxActive=20
#连接等待超时时间
spring.datasource.maxWait=60000
#配置隔多久进行一次检测(检测可以关闭的空闲连接)
spring.datasource.timeBetweenEvictionRunsMillis=60000
#配置连接在池中的最小生存时间
spring.datasource.minEvictableIdleTimeMillis=300000
spring.datasource.validationQuery=SELECT 1 FROM DUAL
spring.datasource.testWhileIdle=true
spring.datasource.testOnBorrow=false
spring.datasource.testOnReturn=false
# 打开PSCache，并且指定每个连接上PSCache的大小
spring.datasource.poolPreparedStatements=true
spring.datasource.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.filters=stat,wall,log4j
# 通过connectProperties属性来打开mergeSql功能；慢SQL记录
spring.datasource.connectionProperties=druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000

package com.example.web.servlet;
import com.alibaba.druid.support.http.StatViewServlet;
import javax.servlet.annotation.WebInitParam;
import javax.servlet.annotation.WebServlet;
/**
 * Created by Administrator on 2017/4/28.
 */
@WebServlet(urlPatterns = "/druid/*",
    initParams = {
        @WebInitParam(name = "allow", value = "192.168.10.25,127.0.0.1"),// IP白名单 (没有配置或者为空，则允许所有访问)
        @WebInitParam(name = "deny", value = "192.168.1.73"),// 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 = "123"),// 密码
        @WebInitParam(name = "resetEnable", value = "false")// 禁用HTML页面上的“Reset All”功能)
    }
)
public class DruidStatViewServlet extends StatViewServlet{
}

package com.example.web.filter;
import com.alibaba.druid.support.http.WebStatFilter;
import javax.servlet.annotation.WebFilter;
import javax.servlet.annotation.WebInitParam;
/**
 * Created by Administrator on 2017/4/28.
 */
@WebFilter(filterName="druidWebStatFilter",urlPatterns="/*",
    initParams={
        @WebInitParam(name="exclusions",value="*.js,*.gif,*.jpg,*.bmp,*.png,*.css,*.ico,/druid/*")// 忽略资源
    }
)
public class DruidWebStatFilter extends WebStatFilter{
}

package com;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.context.embedded.ConfigurableEmbeddedServletContainer;
import org.springframework.boot.context.embedded.EmbeddedServletContainerCustomizer;
import org.springframework.boot.web.servlet.ServletComponentScan;
import org.springframework.boot.web.support.SpringBootServletInitializer;
import org.springframework.scheduling.annotation.EnableAsync;
@SpringBootApplication
@ServletComponentScan
@EnableAsync
public class Application implements EmbeddedServletContainerCustomizer {
  public static void main(String[] args) {
    SpringApplication.run(Application.class, args);
  }
  @Override
  public void customize(ConfigurableEmbeddedServletContainer configurableEmbeddedServletContainer) {
    configurableEmbeddedServletContainer.setPort(8087);
  }
}

package com.example.config;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
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;
/**
 * Created by Administrator on 2017/4/28.
 */
@Configuration
public class DruidConfiguration {
  /**
   * 注册ServletRegistrationBean
   * @return
   */
  @Bean
  public ServletRegistrationBean registrationBean() {
    ServletRegistrationBean bean = new ServletRegistrationBean(new StatViewServlet(), "/druid1/*");
    /** 初始化参数配置，initParams**/
    //白名单
    bean.addInitParameter("allow", "127.0.0.1");
    //IP黑名单 (存在共同时，deny优先于allow) : 如果满足deny的话提示:Sorry, you are not permitted to view this page.
    bean.addInitParameter("deny", "192.168.1.73");
    //登录查看信息的账号密码.
    bean.addInitParameter("loginUsername", "admin2");
    bean.addInitParameter("loginPassword", "123");
    //是否能够重置数据.
    bean.addInitParameter("resetEnable", "false");
    return bean;
  }
  /**
   * 注册FilterRegistrationBean
   * @return
   */
  @Bean
  public FilterRegistrationBean druidStatFilter() {
    FilterRegistrationBean bean = new FilterRegistrationBean(new WebStatFilter());
    //添加过滤规则.
    bean.addUrlPatterns("/*");
    //添加不需要忽略的格式信息.
    bean.addInitParameter("exclusions","*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid2/*");
    return bean;
  }
}