java quartz定时任务示例的代码详情-代码-最代码

首页>代码>java quartz定时任务示例>/quartz/src/com/quartz/test/JobSchedulerServlet.java
package com.quartz.test;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.quartz.CronTrigger;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerFactory;
import org.quartz.impl.StdSchedulerFactory;

public class JobSchedulerServlet extends HttpServlet {

	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

	this.doPost(request, response);
	}
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		out
				.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
		out.println("<HTML>");
		out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");
		out.println("  <BODY>");
		out.print("    This is ");
		out.print(this.getClass());
		out.println(", using the POST method");
		out.println("  </BODY>");
		out.println("</HTML>");
		out.flush();
		out.close();
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		  try {
		   //创建一个JobDetail实例，指定SimpleJob
		   JobDetail jobDetail = new JobDetail("job1_1","jGroup1", PreOperationJob.class);
		   
		   CronTrigger cronTrigger=new CronTrigger("trigger1_1","tgroup1");
		   String cronExpresion=this.getInitParameter("cronExpresion");
		   cronTrigger.setCronExpression(cronExpresion);
		   //通过SchedulerFactory获取一个调度器实例
		   SchedulerFactory schedulerFactory = new StdSchedulerFactory();
		   Scheduler scheduler = schedulerFactory.getScheduler();
		   scheduler.scheduleJob(jobDetail, cronTrigger);// 注册并进行调度
		   scheduler.start();//调度启动
		   } catch (Exception e) {
		   e.printStackTrace();
		   }
		 }



}