login.java

jsp注册

package data;

import java.io.IOException;
import java.sql.SQLException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class login extends HttpServlet {
	private static final long serialVersionUID = 2315156614289693989L;

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		response.setContentType("text/html; charset=GBK");
		try {

			java.text.SimpleDateFormat formatter = new java.text.SimpleDateFormat("MMddHHmmss");
			java.util.Date Now=new java.util.Date(new java.util.Date().getTime());
			    String dltime=formatter.format(Now);
				String id = request.getParameter("id");
				String password = request.getParameter("password");
				DBConnectionBean db = new DBConnectionBean();
				if (id.length()!=0&&password.length()!=0&&db.checkplay(id, password)) {
					HttpSession session = request.getSession();
					session.setAttribute("id", id);
					session.setAttribute("dltime", dltime);
					response.sendRedirect("index.jsp");
				}else{
					HttpSession session = request.getSession();
					session.setAttribute("id", id);
					session.setAttribute("password", password);
					response.sendRedirect("jump/loginerror.jsp");
				}
				
			}catch (SQLException e) {
				System.out.println(e.getMessage());
			}
		}
}