20151219--导航自己制作的一部分

package com.hanqi;

import java.io.IOException;
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 com.hanqi.dao.Members;
import com.hanqi.dao.MembersDAL;

/**
 * Servlet implementation class DeleteMember
 */
@WebServlet("/DeleteMember")
public class DeleteMember extends HttpServlet {
    private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public DeleteMember() {
        super();
        // TODO Auto-generated constructor stub
    }

    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        
        
    request.setCharacterEncoding("UTF-8");    
    response.setContentType("text/html;charset=UTF-8");
    response.setCharacterEncoding("UTF-8");    
        
        
    String id = request.getParameter("id");
    MembersDAL ud = new MembersDAL();
    if(id != null && id.trim().length() > 0)
    {
//删除
        try 
        {
            ud.delete(Integer.parseInt(id));    //将 id 强制转换为 int 型
            
            response.sendRedirect("FindUserList");
            
        } 
        catch (Exception e) 
        {
            response.getWriter().append("删除数据失败");
            
            e.printStackTrace();
        }
//删除            
    }
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        doGet(request, response);
    }

}

package com.hanqi;

import java.io.IOException;
import java.util.ArrayList;

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 com.hanqi.dao.Members;
import com.hanqi.dao.MembersDAL;

/**
 * Servlet implementation class FindUserList
 */
@WebServlet("/FindUserList")
public class FindUserList extends HttpServlet {
    private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public FindUserList() {
        super();
        // TODO Auto-generated constructor stub
    }

    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("UTF-8");    
        response.setContentType("text/html;charset=UTF-8");
        response.setCharacterEncoding("UTF-8");    
        
        MembersDAL ud = new MembersDAL();    
        try
        {
        ArrayList<Members> al = ud.getListAll();
        request.setAttribute("userlist", al);
        }
        catch(Exception e)
        {
            response.getWriter().append("查找数据失败");
            e.printStackTrace();
        }
        //页面跳转
        request.getRequestDispatcher("index.jsp").forward(request,response);

}

        
    

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        doGet(request, response);
    }

}