logincheck.java

jsp+servlet经典的登录注册

package servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;

import javabean.MyBean;

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 dao.DAO;


public class LoginCheck extends HttpServlet {

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding("gbk");
		response.setContentType("text/html;charset=gbk");
		PrintWriter out = response.getWriter();
		
		HttpSession session = request.getSession(true);
		String sql = "select * from login";
		DAO dao = new DAO();
		ArrayList<MyBean> arrayList = dao.ListAllInformation(sql);
		request.setAttribute("MyBean", arrayList);
		request.getRequestDispatcher("/index.jsp").forward(request, response);
		
		out.flush();
		out.close();
	}

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

		this.doGet(request, response);
	}

}