orderservlet.java

网上商城源码,功能包括商品管理,订单管理,用户管理等

package com.shop.servlet;

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;

import com.shop.model.UserModel;
import com.shop.view.UserVo;

public class OrderServlet extends HttpServlet {

	public OrderServlet() {
		super();
	}

	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

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

		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		doPost(request, response);
		out.flush();
		out.close();
	}

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

		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		String type=request.getParameter("type");
		if (type.equals("insert")) {
			Float totalprice=Float.parseFloat(request.getParameter("totalprice"));
			String address=request.getParameter("address");
			UserVo u = (UserVo)request.getSession().getAttribute("uuu");
			
			if (totalprice>u.getMoney()) {
				request.getRequestDispatcher("buy.jsp").forward(request, response);
			}
			if (totalprice<=u.getMoney()&&u.getMoney()>0) {
				UserVo vo=new UserVo();
				vo.setMoney(u.getMoney()-totalprice);
				vo.setId(u.getId());
				UserModel um=new UserModel();
				um.updateUserinfo(vo);
			}
			if (u.getMoney()<=0) {
				response.sendRedirect("cz.jsp");
			}
		}else if (type.equals("delete")) {
			
		}else if (type.equals("update")) {
			
		}else if (type.equals("select")) {
			
		}
		out.flush();
		out.close();
	}

	public void init() throws ServletException {
		// Put your code here
	}

}