sellbackupdate.java

是一个企业的进销存系统。账号问1001密码为123456

package com.jxc.servlet.sellback;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;

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.jxc.dao.Conn;
import com.jxc.dao.SellbackShoppingTreat;
import com.jxc.dao.SellshoppingTreat;
import com.jxc.vo.SellbackShopping;
import com.jxc.vo.Sellshopping;

public class SellbackUpdate extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public SellbackUpdate() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		this.doPost(request, response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		Connection conn=Conn.getConnection();
		int price=0;
		int num=0;
		int id=0;
		java.sql.Date d=null;
		HttpSession session =request.getSession();
		String ID=request.getParameter("id");
		String sid=request.getParameter("sid");
		String oiprince=request.getParameter("oiprince");
		String oinum=request.getParameter("oinum");
		String oitime=request.getParameter("oitime");
		String yid=request.getParameter("yid");
		if("".equals(sid)||"".equals(oiprince)||"".equals(oinum)){
			session.setAttribute("erro", "null");
			response.sendRedirect("sellbackupdate.jsp");
		}else{
			try {
				id=Integer.parseInt(ID);
				price=Integer.parseInt(oiprince);
				num=Integer.parseInt(oinum);
				d=java.sql.Date.valueOf(oitime);
			} catch (NumberFormatException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			SellbackShopping sell=new SellbackShopping();
			sell.setGid(sid);
			sell.setOinum(num);
			sell.setOiprince(price);
			sell.setOitime(d);
			sell.setYid(yid);
			if(new SellbackShoppingTreat().updateByid(conn, id, sell)){
				session.setAttribute("erro", "succ");
				response.sendRedirect("sellbackupdate.jsp");
			}else{
				session.setAttribute("erro", "false");
				response.sendRedirect("sellbackupdate.jsp");
			}
		}
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}