10d0df611c19001e136682f9a6412c6b

网上购物系统

package com.cric.onlineshopclothes.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.cric.onlineshopclothes.dao.CustomerLoginDAO;
import com.cric.onlineshopclothes.javabean.Customer;

public class CustomerLoginServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public CustomerLoginServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	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;cgarset=utf-8");
		request.setCharacterEncoding("utf-8");
		response.setCharacterEncoding("utf-8");
		
		
		PrintWriter out = response.getWriter();
		
		
	}

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

		response.setContentType("text/html;cgarset=utf-8");
		request.setCharacterEncoding("utf-8");
		response.setCharacterEncoding("utf-8");
		
		PrintWriter out = response.getWriter();
		
		//获得页面数据
		CustomerLoginDAO loginDAO=new CustomerLoginDAO();
		Customer customer=loginDAO.getLoginParam(request,response);
		//String str=user.getUserName();
		//String str1=user.getPassWord();
		//out.println(str);
		//out.println(str1);
		//验证信息ss
		boolean flag=loginDAO.checkLoginParam(customer);
		out.print(flag);
		if(flag){
			request.getSession().setAttribute("userName", customer.getCustomerName());
			int uid1=loginDAO.getUidByUname(customer.getCustomerName());
			System.out.println(uid1);
			request.getSession().setAttribute("uid","uid1");//写入session
			response.sendRedirect("index.jsp");
		}else{
		  request.setAttribute("errors", "登录失败，请重新登录！");
		  request.getRequestDispatcher("index.jsp").forward(request, response);
		}
   }
		

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

}