landservlet.java

网上购物源代码

package com.chinaaccpservlet;

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 javax.servlet.http.HttpSession;

import com.chinaaccpDao.PictureDao;
import com.chinaaccpDao.UserInfoDao;

public class LandServlet extends HttpServlet {

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

		response.setHeader("param", "no-no-cache");
		response.setHeader("cache-control", "no-cache");
		HttpSession session = request.getSession();
		PrintWriter out = response.getWriter();
		String name = request.getParameter("username");
		String pass = request.getParameter("password");
		UserInfoDao info = new UserInfoDao();
		String str = info.GetUserInfo(name, pass);
		if("登陆成功".equals(str))
		{
			session.setAttribute("name", name);
			PictureDao p = new PictureDao();
			String path = p.GetPicturePath(name);
			session.setAttribute("path", path);
			out.println("<script>");
			out.println("location.href='Jsp/Main.jsp'");
			out.println("</script>");
		}
		else
		{
			out.println("<script>");
			out.println("alert(\""+str+"\");");
			out.println("history.go(-1)");
			out.println("</script>");
		}
		out.flush();
		out.close();
	}

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

		this.doGet(request, response);
	}

}