package com.demo;
import java.io.IOException;

import java.sql.Connection;
import java.sql.Date;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.text.ParseException;
import java.text.SimpleDateFormat;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.*;


import com.dao.ProductionDao;
import com.dao.ProductionDaoImpl;

import com.domain.Production;


@WebServlet(name = "ProductionServlet", urlPatterns = { "/addProduction.do" })
public class ProductionServlet extends HttpServlet {
	   private static final long serialVersionUID = 1L;
protected void doGet(HttpServletRequest request, 
        HttpServletResponse response) 
      throws ServletException, IOException{
  doPost(request,response);
}

protected void doPost(HttpServletRequest request, 
HttpServletResponse response) 
throws ServletException, IOException {
String action = request.getParameter("action");
if(action!=null&&action.equals("addProduction")){
    addProduction(request,response);
}else if(action.equals("delete")){
deleteProduction(request,response);
}else{
   listProduction(request,response);
}
}
// 添加产品方法
public void addProduction(HttpServletRequest request, 
HttpServletResponse response) 
throws ServletException, IOException {
	 int id=Integer.parseInt(request.getParameter("pid"));
       String price=new String(request.getParameter("price").getBytes("iso-8859-1"),"UTF-8");
       String prom=new String(request.getParameter("prom").getBytes("iso-8859-1"),"UTF-8");
     String classify=new String(request.getParameter("classify").getBytes("iso-8859-1"),"UTF-8");
     String store=new String(request.getParameter("store").getBytes("iso-8859-1"),"UTF-8");
       Production s = new Production();
s.setPid(id);
s.setPrice(price);
s.setProm(prom);
s.setClassify(classify);
s.setStore(store);



ProductionDao dao = new ProductionDaoImpl();
try{
	boolean success= dao.addProduction(s);  
if(success){
   String message = "插入记录成功";
   request.setAttribute("message", message);
   listProduction(request,response);
}else{
	RequestDispatcher rd = request.getRequestDispatcher("error.jsp");
	rd.forward(request, response);
}
}catch(SQLException e) {}
}

// 显示产品信息
public void listProduction(HttpServletRequest request, 
		HttpServletResponse response) 
		throws ServletException, IOException{
	ProductionDao dao = new ProductionDaoImpl();
			try {
				List<Production> list= dao.listProduction();	
		     request.setAttribute("productionList", list);
			}catch(SQLException e) {}
		    RequestDispatcher rd = request.getRequestDispatcher("da-production.jsp");
		    	rd.forward(request, response);
			  }
//删除产品信息
public void deleteProduction(HttpServletRequest request, 
HttpServletResponse response) 
throws ServletException, IOException {
int id = Integer.parseInt(request.getParameter("id"));
ProductionDao dao = new ProductionDaoImpl();
try {
	int success=dao.removeProduction(id);
	if(success>0){
		listProduction(request,response);
	}	
}catch(SQLException e) {}

}

}