src/com/servlet/yonghuServlet.java

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package com.servlet;

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 javax.servlet.http.HttpSession;

import com.bean.yonghu;
import com.dao.yonghuDao;
import com.util.DBO;


import java.util.List;
import java.sql.ResultSet;

public class yonghuServlet extends HttpServlet  {
	public void service(HttpServletRequest request, HttpServletResponse response)
	throws ServletException, IOException {
		request.setCharacterEncoding("gb2312");
		System.out.println("method"+request.getParameter("method"));
		String method=(String)request.getParameter("method");
		if(method.equals("insert")){//用户添加
			insertM(request, response);
		}else if(method.equals("list")){//用户列表
			ListM(request, response);
		}else if(method.equals("delete")){//用户删除
			deleteM(request, response);
		}else if(method.equals("modifyindex")){//用户修改页面
			modifyIndex(request, response);
		}
		else if(method.equals("modify")){//用户修改
			modifyM(request, response);
		}else if(method.equals("detail")){//用户详细信息
			detailM(request, response);
		}else if(method.equals("Plist")){//用户列表信息
			PListM(request, response);
		}
	}
	private void insertM(HttpServletRequest request, HttpServletResponse response){//用户添加
		yonghuDao dao=new yonghuDao();
		yonghu yonghu=new yonghu();
		yonghu.setYhid((String)request.getParameter("keyid"));
yonghu.setYhm((String)request.getParameter("yhm"));
yonghu.setMm((String)request.getParameter("mm"));
yonghu.setXm((String)request.getParameter("xm"));
yonghu.setJs((String)request.getParameter("js"));
yonghu.setDh((String)request.getParameter("dh"));
yonghu.setDz((String)request.getParameter("dz"));
yonghu.setZcsj((String)request.getParameter("zcsj"));
String yhm=(String)request.getParameter("yhm");
	response.setCharacterEncoding("gb2312");
		try {
			DBO db=new DBO();
			ResultSet rs=null;
			int a=0;
			String sql="select count(1) as num from yonghu where yhm='"+yhm+"'";
			rs=db.query(sql);