src/com/action/tuihuo_servlet.java

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package com.action;

import java.io.IOException;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletConfig;
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 org.directwebremoting.WebContext;
import org.directwebremoting.WebContextFactory;

import com.dao.DB;
import com.orm.TAdmin;
import com.orm.Tshangpin;



public class tuihuo_servlet extends HttpServlet
{
	public void service(HttpServletRequest req,HttpServletResponse res)throws ServletException, IOException 
	{
        String type=req.getParameter("type");
		if(type.endsWith("tuihuo"))
		{
			tuihuo(req, res);
		}
		if(type.endsWith("shangpinMana"))
		{
			shangpinMana(req, res);
		}
		if(type.endsWith("shangpinQuery"))
		{
			shangpinQuery(req, res);
		}
	}
	public void tuihuo(HttpServletRequest req,HttpServletResponse res)
	{
		String spID=req.getParameter("id");
		String tuihuoshuliang=req.getParameter("tuihuoshuliang");
		String tuihuoriqi=req.getParameter("tuihuoriqi");
		String tuihuoren=req.getParameter("tuihuoren");
		String sql1="insert into tuihuo(spID,tuihuoshuliang,tuihuoriqi,tuihuoren) values(?,?,?,?)";
		Object[] params1={spID,tuihuoshuliang,tuihuoriqi,tuihuoren};
		String sql="update shangpin set spkucun=spkucun-? where spID=?";
		Object[] params={tuihuoshuliang,spID};
		DB mydb=new DB();
		mydb.doPstm(sql, params);
		mydb.doPstm(sql1, params1);
		mydb.closed();
		req.setAttribute("message", "退货成功");
		req.setAttribute("path", "tuihuo?type=shangpinMana");
        String targetURL = "/common/success.jsp";