inbackinsert.java

是一个企业的进销存系统。账号问1001密码为123456

package com.jxc.servlet.inback;

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

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.InbackShoppingTreat;
import com.jxc.dao.SellbackShoppingTreat;
import com.jxc.dao.SellshoppingTreat;
import com.jxc.dao.StockShoppingTreat;
import com.jxc.vo.InbackShopping;
import com.jxc.vo.SellbackShopping;
import com.jxc.vo.Sellshopping;

public class InBackInsert extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public InBackInsert() {
		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 {

		request.setCharacterEncoding("UTF-8");
		HttpSession session=request.getSession();
		Connection conn0 = Conn.getConnection();
		Connection conn1 = Conn.getConnection();
		Connection conn2=Conn.getConnection();
		Connection conn3=Conn.getConnection();
		String sid = request.getParameter("sid");
		java.util.Date d=new java.util.Date();
		java.sql.Date date=new java.sql.Date(d.getYear(),d.getMonth(),d.getDate());
		String gid = request.getParameter("gid");

		String yid=(String) session.getAttribute("yid");
		int num = 0;
		int price=0;
		if ("".equals(sid) || "".equals(request.getParameter("ionum")) || "".equals(gid)||"".equals("inprince")) {
			session.setAttribute("erro", "kong");
			response.sendRedirect("inback.jsp");
		} else{

			try {
				 num = Integer.parseInt(request.getParameter("ionum"));
				 price= Integer.parseInt(request.getParameter("inprince"));
			} catch (NumberFormatException e) {
				// TODO Auto-generated catch bloc
				e.printStackTrace();
			}
		if (new StockShoppingTreat().selectId(conn0, sid)) {
			int i = new StockShoppingTreat().selectsum(conn1, sid);
			if(i>=num){
				InbackShopping shop = new InbackShopping();
				shop.setSid(sid);
				shop.setGid(gid);
				shop.setInprince(price);
				shop.setIonum(num);
				shop.setIotime(date);
				shop.setYid(yid);
				int aa=-num;
				if(new InbackShoppingTreat().insert(conn2, shop)&&new StockShoppingTreat().updateById(conn3, sid, aa)){
					session.setAttribute("erro", "succ");
					response.sendRedirect("inback.jsp");
					
				}else{
					session.setAttribute("erro", "false");
					response.sendRedirect("inback.jsp");
				}
				
			}else{
				session.setAttribute("erro", "duo");
				response.sendRedirect("inback.jsp");
			}
			
		}else{
			session.setAttribute("erro", "null");
			response.sendRedirect("inback.jsp");
		}
			
		}
	}

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

}