controlsvlt.java

超市进销存系统,采用mvc+DAO模式编写

package mybaobao;

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;

public class ControlSvlt extends HttpServlet {
	
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		this.doPost(request,response);
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		request.setCharacterEncoding("GB2312") ;//首先进行乱码处理
		String path = "errors.jsp" ;
		// 接收要操作的参数值
		String status = request.getParameter("status") ;
		if(status!=null)
		{
			// 参数有内容，之后选择合适的方法
			if("buy_insert".equals(status))
			{
				//商品入库和入进货表
				int SupplierID=Integer.parseInt(request.getParameter("supplierid".trim()));
				int WareID=Integer.parseInt(request.getParameter("wareid".trim()));
				int Price=Integer.parseInt(request.getParameter("price".trim()));
				int Quantity=Integer.parseInt(request.getParameter("quantity".trim()));
				String BuyDate=request.getParameter("buydate".trim());
				String BuyPerson=request.getParameter("buyperson".trim());
				Buy buy=new Buy();
				buy.setSupplierId(SupplierID);
				buy.setWareId(WareID);
				buy.setPrice(Price);
				buy.setQuantity(Quantity);
				buy.setBuyDate(BuyDate);
				buy.setBuyPerson(BuyPerson);
				try {
					DAOFactory.getBuyDAOImpl().insert(buy);
				} catch (Exception e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				path="buy_insert.jsp";
			}
			if("sale_insert".equals(status))
			{
				//商品出库和写入销售表
				int wareId=Integer.parseInt(request.getParameter("wareid".trim()));
				int salePrice=Integer.parseInt(request.getParameter("saleprice".trim()));
				int saleQty=Integer.parseInt(request.getParameter("saleqty".trim()));
				String saleDate=request.getParameter("saledate".trim());
				Sale sale=new Sale();
				sale.setWareId(wareId);
				sale.setSalePrice(salePrice);
				sale.setSaleQty(saleQty);
				sale.setSaleDate(saleDate);
				try {
					DAOFactory.getSaleDAOImpl().insert(sale);
				} catch (Exception e) {
					e.printStackTrace();
				}
				path="sale_insert.jsp";
				
			}
			if("buy_show".equals(status))
			{
				//显示公司的进货记录
				try
				{
					request.setAttribute("buylist",DAOFactory.getBuyDAOImpl().getlist()) ;
				}
				catch (Exception e)
				{
				}
				path = "buy_show.jsp" ;
			}
			if("sale_show".equals(status))
			{
				try {
					request.setAttribute("salelist", DAOFactory.getSaleDAOImpl().getlist());
				} catch (RuntimeException e) {
					e.printStackTrace();
				}
				path="sale_show.jsp";
			}
			if("reserve_show".equals(status))
			{
				
					try {
						request.setAttribute("reservelist",DAOFactory.getReserveDAOImpl().getlist());
					} catch (Exception e) {
						e.printStackTrace();
					}
				
				path="reserve_show.jsp";
			}
			
		}
		else
		{
			
		}
		request.getRequestDispatcher(path).forward(request,response);
	}

}