www.pudn.com > vote.rar > Delete.java

/* 
 * delete.java 
 * 
 * Created on 2008Äê6ÔÂ5ÈÕ, ÉÏÎç9:01 
 */ 
 
package myservlet; 
 
import java.io.*; 
import java.net.*; 
import mybean.DBBean; 
import java.sql.*; 
 
import javax.servlet.*; 
import javax.servlet.http.*; 
 
/** 
 * 
 * @author Administrator 
 * @version 
 */ 
public class Delete extends HttpServlet { 
     
    /** Processes requests for both HTTP GET and POST methods. 
     * @param request servlet request 
     * @param response servlet response 
     */ 
    protected void processRequest(HttpServletRequest request, HttpServletResponse response) 
    throws ServletException, IOException { 
        response.setContentType("text/html;charset=gb2312"); 
        PrintWriter out = response.getWriter(); 
        DBBean db=new DBBean(); 
        String del=request.getParameter("del"); 
        if(del!=null){ 
            db.executeUpdate("delete from vote where id="+del); 
            db.close(); 
        } 
        RequestDispatcher rd=request.getRequestDispatcher("manager.jsp"); 
        rd.forward(request,response); 
    } 
     
    //  
    /** Handles the HTTP GET method. 
     * @param request servlet request 
     * @param response servlet response 
     */ 
    protected void doGet(HttpServletRequest request, HttpServletResponse response) 
    throws ServletException, IOException { 
        processRequest(request, response); 
    } 
     
    /** Handles the HTTP POST method. 
     * @param request servlet request 
     * @param response servlet response 
     */ 
    protected void doPost(HttpServletRequest request, HttpServletResponse response) 
    throws ServletException, IOException { 
        processRequest(request, response); 
    } 
     
    /** Returns a short description of the servlet. 
     */ 
    public String getServletInfo() { 
        return "Short description"; 
    } 
    //  
}