deletevoteservlet.java

来自「用java实现一个功能完善的投票系统」· Java 代码 · 共 39 行

package com.wxpn.tutorial.servlet;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class for Servlet: DeleteVoteServlet
 */
public class DeleteVoteServlet extends javax.servlet.http.HttpServlet implements
		javax.servlet.Servlet {
	/*
	 * (non-Java-doc)
	 * 
	 * @see javax.servlet.http.HttpServlet#HttpServlet()
	 */
	public DeleteVoteServlet() {
		super();
	}

	/*
	 * (non-Java-doc)
	 * 
	 * @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest request,
	 *      HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		response.setHeader("Pragma","No-cache");
		response.setHeader("Cache-Control","no-cache");
		response.setDateHeader("Expires", 0);
		response.setContentType("text/html;charset=UTF-8");
		String id = request.getParameter("id");
		VoteMgr mgr = new VoteMgr();
		mgr.deleteVote(Integer.parseInt(id));
		response.sendRedirect("admin/index.jsp");
	}
}