toadditem.java

海鲜超市管理 登录 修改 增加 等功能jsp+servlet

package module.bill.servlet;

/*
 * 创建日期 2006-4-8
 */


import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.RequestDispatcher;
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 module.bill.dco.BillDco;
import module.bill.dto.AddBillDto;
import tools.DateTools;
import tools.SysdateTool;


public class ToAddItem extends HttpServlet {
	
	protected void service(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		BillDco dco = new BillDco();
		String target = null;
		SysdateTool st = new SysdateTool();
		HttpSession session = request.getSession(true);
		String billDate = request.getParameter("billDate");
		String dueDate = request.getParameter("dueDate");
		
		if("".equals(billDate)||"".equals(dueDate)){
			session.setAttribute("error","Bill_Date or Bill_Due_date is null !!!");
			target = "/jsp/bill/billAdd.jsp";
		}else if(!DateTools.checkDate(billDate) || !DateTools.checkDate(dueDate)){
			session.setAttribute("error","Wrong Date Type!!You should write like this :2007-12-03  yyyy-mm-dd ");
			target = "/jsp/bill/billAdd.jsp";
		}else if(st.getLastDay(billDate.substring(0,7)) < Integer.parseInt(billDate.substring(8,10))
				||st.getLastDay(dueDate.substring(0,7)) < Integer.parseInt(dueDate.substring(8,10))){
			session.setAttribute("error","the Day is too big!!");
			target = "/jsp/bill/billAdd.jsp";
		}else if(DateTools.toInt(dueDate) < DateTools.toInt(billDate)){
			session.setAttribute("error","Bill_date should beyond Bill_Due_date!!!");
			target = "/jsp/bill/billAdd.jsp";
		}else{
			session.removeAttribute("vendorList");
			target = "/jsp/bill/billAddDepItem.jsp";
			AddBillDto dto = new AddBillDto();
			List list = new ArrayList();
			dco.selectDept(list);
			
			request.setAttribute("deptList",list);
			String id = request.getParameter("vendorId");
			dto.setVendorId(id);
			dto.setBillDate(request.getParameter("billDate"));
			dto.setDueDate(request.getParameter("dueDate"));
			dto.setVendorName(request.getParameter(id));
			request.setAttribute("AddBillDto",dto);
		}
		
		
		RequestDispatcher rd = request.getRequestDispatcher(target);
		rd.forward(request,response);
		
		
	}
}