<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">

  <display-name>muju_pro</display-name>

  <welcome-file-list>

    <welcome-file>index.html</welcome-file>

    <welcome-file>index.htm</welcome-file>

    <welcome-file>index.jsp</welcome-file>

    <welcome-file>default.html</welcome-file>

    <welcome-file>default.htm</welcome-file>

    <welcome-file>default.jsp</welcome-file>

  </welcome-file-list>

  <servlet>

    <servlet-name>Log4jInitServlet</servlet-name>

    <servlet-class>com.rfx.servlet.Log4jInitServlet</servlet-class>//日志初始化类

    <init-param>

      <param-name>log4j</param-name>

      <param-value>/WEB-INF/log4j.properties</param-value>//日志资源文件配置log4j，jar

    </init-param>

    <load-on-startup>1</load-on-startup>//设置服务器启动延时多久执行

  </servlet>

  <servlet-mapping>

    <servlet-name>Log4jInitServlet</servlet-name>

    <url-pattern>*.init</url-pattern>//设置映射

  </servlet-mapping>

  <listener>

    <listener-class>com.rfx.listener.ZiJianListener</listener-class>//配置监听

  </listener>

  <listener>

    <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>//配置日志，这里用的spring的jar包，

  </listener>

</web-app>

package com.rfx.listener;

import java.util.Timer;

import javax.servlet.ServletContextEvent;

import javax.servlet.ServletContextListener;

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

/**

 * <p>自检监听</p>

 * @author Administrator

 *

 */

public class ZiJianListener implements ServletContextListener {

    private Timer timer=null;

    private final Log log = LogFactory.getLog(getClass());

    @Override

    public void contextDestroyed(ServletContextEvent arg0) {

    }

    @Override

    public void contextInitialized(ServletContextEvent arg0) {

        timer =new Timer(true);

        //arg0.getServletContext().log("定时器已启动");//log4j

    //    System.out.println("定时器启动");

        log.info("定时器启动");

        //调用自检

        timer.schedule(new ZiJianTask(arg0.getServletContext()), 0,12*60*60*1000);

        //调用备份数据库

        timer.schedule(new DBBackUpTask(arg0.getServletContext()),0,24*60*60*1000);

        //arg0.getServletContext().log("已添加任务");

    }

}

package com.rfx.listener;

import java.io.File;

import java.io.IOException;

import java.text.Format;

import java.text.SimpleDateFormat;

import java.util.Date;

import java.util.TimerTask;

import javax.servlet.ServletContext;

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

public class DBBackUpTask  extends TimerTask{

    private ServletContext context=null;

    private final Log log = LogFactory.getLog(getClass());

    public  DBBackUpTask(ServletContext context) {

        this.context=context;

    }

     public static boolean exportDatabaseTool(String userName, String password, String SID, String savePath, String fileName) throws InterruptedException {

            File saveFile = new File(savePath);

            if (!saveFile.exists()) {// 如果目录不存在

                saveFile.mkdirs();// 创建文件夹

            }

            try {

                Process process = Runtime.getRuntime().exec("exp " + userName + "/" + password + "@" + SID + " file=" + savePath + "/" + fileName + ".dmp");

                if(process.waitFor() == 0){//0 表示线程正常终止。

                    return true;

                }

            } catch (IOException e) {

                e.printStackTrace();

            }

            return false;

        }

    @Override

    public void run() {

        Format format = new SimpleDateFormat("yyyyMMdd");

        String filePathString="MJku"+format.format(new Date());

          try {

            if (exportDatabaseTool("rfxmujuku", "rfx", "orcl", "D:/MuJuKuDBBeiFen", filePathString)) {

                    System.out.println("数据库成功备份！！！");

                } else {

                    System.out.println("数据库备份失败！！！");

                }

        } catch (InterruptedException e) {

            e.printStackTrace();

        }  

    }

}

log4j.rootLogger=debug, stdout ,R 

### stdout ###

log4j.appender.stdout=org.apache.log4j.ConsoleAppender

log4j.appender.stdout.layout=org.apache.log4j.PatternLayout

log4j.appender.stdout.layout.ConversionPattern=[%d{yyyy\-MM\-dd  HH\:mm\:ss}] %p  (%F:%L) - %m%n

### R ###

log4j.appender.R=org.apache.log4j.RollingFileAppender

log4j.appender.R.File=D:/muju.log

log4j.appender.R.MaxFileSize=100KB

log4j.appender.R.MaxBackupIndex=5 

log4j.appender.R.layout=org.apache.log4j.PatternLayout

log4j.appender.R.layout.ConversionPattern=[%d{yyyy\-MM\-dd  HH\:mm\:ss}] %p  %c - %m%n

package com.rfx.servlet;

import java.io.IOException;

import javax.servlet.ServletConfig;

import javax.servlet.ServletException;

import javax.servlet.annotation.WebServlet;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

import org.apache.log4j.PropertyConfigurator;

/**

 * Servlet implementation class Log4jInitServlet

 */

@WebServlet("/Log4jInitServlet.init")

public class Log4jInitServlet extends HttpServlet {

    private static final long serialVersionUID = 1L;

    private final Log log = LogFactory.getLog(getClass());

    /**

     * @see HttpServlet#HttpServlet()

     */

    public Log4jInitServlet() {

        super();

        // TODO Auto-generated constructor stub

    }

    public void init() {

        String prefix = getServletContext().getRealPath("/");

        String file = getInitParameter("log4j");

        if (file != null) {

           //System.out.println("log4j 初始化成功");

        log.info("log4j初始化成功");

        PropertyConfigurator.configure(prefix+ file);

        } else {

            log.info("log4j初始化失败");

        //System.out.println("log4j 初始化失败");

        }

        }

}