By GokiSoft.com|
20:55 07/08/2020|
JSP Servlet
[Share Code] Chữa bài tập - Đăng Ký & Đăng Nhập - Ứng dụng session servlet - Lập trình JSP/Servlet
Bài Tập - Đăng Ký & Đăng Nhập - Ứng dụng session servlet - Lập trình JSP/Servlet
#web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd">
<servlet>
<servlet-name>RegisterServlet</servlet-name>
<servlet-class>servlets.RegisterServlet</servlet-class>
</servlet>
<servlet>
<servlet-name>LoginServlet</servlet-name>
<servlet-class>servlets.LoginServlet</servlet-class>
</servlet>
<servlet>
<servlet-name>WelcomeServlet</servlet-name>
<servlet-class>servlets.WelcomeServlet</servlet-class>
</servlet>
<servlet>
<servlet-name>HistoryServlet</servlet-name>
<servlet-class>servlets.HistoryServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>RegisterServlet</servlet-name>
<url-pattern>/dang-ky-tai-khoan</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>LoginServlet</servlet-name>
<url-pattern>/dang-nhap</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>WelcomeServlet</servlet-name>
<url-pattern>/welcome</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>HistoryServlet</servlet-name>
<url-pattern>/lich-su-dang-ky-tai-khoan</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>
30
</session-timeout>
</session-config>
</web-app>
#history.jsp
<%--
Document : register
Created on : Aug 7, 2020, 7:23:58 PM
Author : Diep
--%>
<%@page import="java.util.ArrayList"%>
<%@page import="modals.User"%>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<title>History Page</title>
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css"/>
<!-- jQuery library -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<!-- Popper JS -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
<!-- Latest compiled JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
</head>
<body>
<%
ArrayList<User> userList = new ArrayList<User>();
if(session.getAttribute("userList") != null) {
userList = (ArrayList<User>) session.getAttribute("userList");
}
%>
<div class="container">
<div class="panel panel-primary">
<div class="panel-heading">
<h2 class="text-center">All User List</h2>
</div>
<div class="panel-body">
<table class="table table-bordered">
<thead>
<tr>
<th>No</th>
<th>Name</th>
<th>Email</th>
<th>Birthday</th>
<th>Address</th>
</tr>
</thead>
<tbody>
<%
int index = 1;
for (User user : userList) {
%>
<tr>
<td><%=index++%></td>
<td><%=user.getName()%></td>
<td><%=user.getEmail()%></td>
<td><%=user.getBirthday()%></td>
<td><%=user.getAddress()%></td>
</tr>
<%
}
%>
</tbody>
</table>
</div>
</div>
</div>
</body>
</html>
#index.html
<!DOCTYPE html>
<!--
To change this license header, choose License Headers in Project Properties.
To change this template file, choose Tools | Templates
and open the template in the editor.
-->
<html>
<head>
<title>Home Page</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
<div>Welcome To Learn JSP/Servlet</div>
</body>
</html>
#login.jsp
<%--
Document : register
Created on : Aug 7, 2020, 7:23:58 PM
Author : Diep
--%>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<title>History Page</title>
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css"/>
<!-- jQuery library -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<!-- Popper JS -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
<!-- Latest compiled JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
</head>
<body>
<%
String msg = (String) request.getAttribute("msg");
%>
<div class="container">
<div class="panel panel-primary">
<div class="panel-heading">
<h2 class="text-center">Login Form</h2>
<h3 style="color: red"><%=msg%></h3>
</div>
<div class="panel-body">
<form method="post">
<div class="form-group">
<label for="email">Email:</label>
<input required="true" type="email" class="form-control" id="email" name="email"/>
</div>
<div class="form-group">
<label for="pwd">Password:</label>
<input required="true" type="password" class="form-control" id="pwd" name="password"/>
</div>
<button class="btn btn-success">Register</button>
</form>
</div>
</div>
</div>
</body>
</html>
#register.jsp
<%--
Document : register
Created on : Aug 7, 2020, 7:23:58 PM
Author : Diep
--%>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<title>Registation Page</title>
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css"/>
<!-- jQuery library -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<!-- Popper JS -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
<!-- Latest compiled JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<div class="panel panel-primary">
<div class="panel-heading">
<h2 class="text-center">Registation Form - Input User's Detail Information</h2>
</div>
<div class="panel-body">
<form method="post">
<div class="form-group">
<label for="usr">Name:</label>
<input required="true" type="text" class="form-control" id="usr" name="name"/>
</div>
<div class="form-group">
<label for="email">Email:</label>
<input required="true" type="email" class="form-control" id="email" name="email"/>
</div>
<div class="form-group">
<label for="birthday">Birthday:</label>
<input type="date" class="form-control" id="birthday" name="birthday"/>
</div>
<div class="form-group">
<label for="pwd">Password:</label>
<input required="true" type="password" class="form-control" id="pwd" name="password"/>
</div>
<div class="form-group">
<label for="confirmation_pwd">Confirmation Password:</label>
<input required="true" type="password" class="form-control" id="confirmation_pwd" name="confirmation_pwd"/>
</div>
<div class="form-group">
<label for="address">Address:</label>
<input type="text" class="form-control" id="address" name="address"/>
</div>
<button class="btn btn-success">Register</button>
</form>
</div>
</div>
</div>
</body>
</html>
#welcome.jsp
<%--
Document : welcome
Created on : Aug 7, 2020, 8:01:24 PM
Author : Diep
--%>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JSP Page</title>
</head>
<body>
<h1>WELCOME!</h1>
<h2>
<a href="lich-su-dang-ky-tai-khoan">History Register Users</a>
</h2>
</body>
</html>
#User.java
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package modals;
/**
*
* @author Diep
*/
public class User {
String name, email, birthday, password, address;
public User() {
}
public User(String name, String email, String birthday, String password, String address) {
this.name = name;
this.email = email;
this.birthday = birthday;
this.password = password;
this.address = address;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getBirthday() {
return birthday;
}
public void setBirthday(String birthday) {
this.birthday = birthday;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
}
#HistoryServlet.java
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package servlets;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
*
* @author Diep
*/
public class HistoryServlet extends HttpServlet {
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/**
* Handles the HTTP <code>GET</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/history.jsp");
dispatcher.forward(request, response);
}
/**
* Handles the HTTP <code>POST</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
}
/**
* Returns a short description of the servlet.
*
* @return a String containing servlet description
*/
@Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>
}
#LoginServlet.java
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package servlets;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import modals.User;
/**
*
* @author Diep
*/
public class LoginServlet extends HttpServlet {
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/**
* Handles the HTTP <code>GET</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setAttribute("msg", "");
RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/login.jsp");
dispatcher.forward(request, response);
}
/**
* Handles the HTTP <code>POST</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String email = request.getParameter("email");
String password = request.getParameter("password");
User theLastestUser = (User) request.getSession(false).getAttribute("theLastestUser");
if(theLastestUser != null && email.equalsIgnoreCase(theLastestUser.getEmail()) && password.equals(theLastestUser.getPassword())) {
//login thanh congg
response.sendRedirect("welcome");
} else {
//login failed
request.setAttribute("msg", "Thong tin tai khoan khong chinh xac");
RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/login.jsp");
dispatcher.forward(request, response);
}
}
/**
* Returns a short description of the servlet.
*
* @return a String containing servlet description
*/
@Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>
}
#RegisterServlet.java
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package servlets;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.RequestDispatcher;
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 modals.User;
/**
*
* @author Diep
*/
public class RegisterServlet extends HttpServlet {
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/**
* Handles the HTTP <code>GET</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/register.jsp");
dispatcher.forward(request, response);
}
/**
* Handles the HTTP <code>POST</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
//Validate du lieu o day.
String name = request.getParameter("name");
String email = request.getParameter("email");
String password = request.getParameter("password");
String birthday = request.getParameter("birthday");
String address = request.getParameter("address");
User user = new User(name, email, birthday, password, address);
HttpSession session = request.getSession(false);
session.setAttribute("theLastestUser", user);
//luu lai danh sach tai khoan dang ky
ArrayList<User> userList = null;
if(session.getAttribute("userList") != null) {
userList = (ArrayList<User>) session.getAttribute("userList");
} else {
userList = new ArrayList<>();
}
userList.add(user);
session.setAttribute("userList", userList);
response.sendRedirect("dang-nhap");
}
/**
* Returns a short description of the servlet.
*
* @return a String containing servlet description
*/
@Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>
}
#WelcomeServlet.java
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package servlets;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
*
* @author Diep
*/
public class WelcomeServlet extends HttpServlet {
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/**
* Handles the HTTP <code>GET</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/welcome.jsp");
dispatcher.forward(request, response);
}
/**
* Handles the HTTP <code>POST</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
}
/**
* Returns a short description of the servlet.
*
* @return a String containing servlet description
*/
@Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>
}
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