📄 loginservlet.java
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/* * To change this template, choose Tools | Templates * and open the template in the editor. */package Servlet;import Manager.UserManager;import java.io.*;import java.net.*;import javax.servlet.*;import javax.servlet.http.*;/** * * @author XuLiYuan~11 */public class LoginServlet extends HttpServlet { protected void forward(HttpServletRequest request , HttpServletResponse response , String url) throws IOException, ServletException { RequestDispatcher dispatcher = request.getRequestDispatcher(url); dispatcher.forward(request, response); } /** * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods. * @param request servlet request * @param response servlet response */ protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); PrintWriter out = response.getWriter(); UserManager usermanager = new UserManager(); HttpSession session = request.getSession();// String action = request.getParameter("action"); // if(action.equals("login")){ String authority = request.getParameter("authority").trim(); String username = request.getParameter("username").trim(); String password = request.getParameter("password").trim(); boolean islogin = usermanager.islogin(username,password); if(islogin){ session.setAttribute("username", username); session.setAttribute("authority", authority); this.forward(request, response, "Main.jsp"); } else this.forward(request, response, "Error.jsp"); // if(authority.equals("registeruser")){// session.setAttribute("username", username);// this.forward(request, response, "registeruser.jsp");}// if(authority.equals("management")){// session.setAttribute("username", username);// this.forward(request, response, "management.jsp");}// if(authority.equals("anonymous")){// session.setAttribute("username", username);// this.forward(request, response, "anonymous.jsp");}// else this.forward(request, response, "false.jsp"); try { /* TODO output your page here out.println("<html>"); out.println("<head>"); out.println("<title>Servlet LoginServlet</title>"); out.println("</head>"); out.println("<body>"); out.println("<h1>Servlet LoginServlet at " + request.getContextPath () + "</h1>"); out.println("</body>"); out.println("</html>"); */ } finally { out.close(); } } // <editor-fold defaultstate="collapsed" desc="HttpServlet 方法。单击左侧的 + 号以编缉代码。"> /** * Handles the HTTP <code>GET</code> method. * @param request servlet request * @param response servlet response */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } /** * Handles the HTTP <code>POST</code> method. * @param request servlet request * @param response servlet response */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } /** * Returns a short description of the servlet. */ public String getServletInfo() { return "Short description"; } // </editor-fold>}⌨️ 快捷键说明
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