src/com/servlet/peisongServlet.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.peisong;
import com.dao.peisongDao;


import java.util.List;
import java.sql.ResultSet;
import com.util.*;
public class peisongServlet 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")){//配送添加
			insertM(request, response);
		}else if(method.equals("list")){//配送列表
			ListM(request, response);
		}else if(method.equals("delete")){//配送删除
			deleteM(request, response);
		}else if(method.equals("modifyindex")){//配送修改页面
			modifyIndex(request, response);
		}
		else if(method.equals("modify")){//配送修改
			modifyM(request, response);
		}else if(method.equals("detail")){//配送详细信息
			detailM(request, response);
		}else if(method.equals("Plist")){//配送列表信息
			PListM(request, response);
		}
	}
	private void insertM(HttpServletRequest request, HttpServletResponse response){//配送添加
		peisongDao dao=new peisongDao();
		peisong peisong=new peisong();
		peisong.setPsid((String)request.getParameter("keyid"));
peisong.setDd((String)request.getParameter("dd"));
peisong.setXl((String)request.getParameter("xl"));
peisong.setCk((String)request.getParameter("ck"));
peisong.setSj((String)request.getParameter("sj"));
peisong.setZt((String)request.getParameter("zt"));
	String dd=(String)request.getParameter("dd");
	response.setCharacterEncoding("gb2312");
		try {
			String sql="select count(1) num from dingdan where bh='"+dd+"'";
			DBO db=new DBO();
			ResultSet rs=db.query(sql);
			if(rs.next()){
				if(rs.getInt("num")==0){
					request.setAttribute("flag", "操作失败 该订单号不存在"); 
					request.getRequestDispatcher("peisong/peisongadd.jsp").forward(request, response);
					return;