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使用JSP實現(xiàn)簡單的用戶登錄注冊頁面示例代碼解析

實驗要求：

將實驗2中的系統(tǒng)用戶登錄和注冊頁面改為JSP頁面，并部署自己的Web應(yīng)用于Tomcat服務(wù)器中

具體要求：

完成登錄JSP頁面設(shè)計和注冊頁面設(shè)計

在登錄頁面表單中使用request對象獲取用戶信息，建立新的JSP頁面完成登錄驗證（用戶名和密碼自己指定即可）。

驗證結(jié)果顯示（如登錄成功/用戶名密碼錯誤，可以使用JavaScript，也可以使用新的JSP頁面）。

在注冊頁面表單中使用request對象獲取用戶注冊信息（注冊項目由自己指定），在新的JSP頁面顯示用戶注冊信息，并提示注冊成功。

代碼

登錄頁面index.html

!DOCTYPE html>
html lang="zh-CN">
head>
 meta charset="utf-8">
 meta http-equiv="X-UA-Compatible" content="IE=edge">
 meta name="viewport" content="width=device-width, initial-scale=1">
 title>jsp作業(yè)/title>
 link href="css/bootstrap.min.css" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="stylesheet">
/head>
body>
nav class="navbar navbar-default">
 div class="container-fluid">
  div class="navbar-header">
   a class="navbar-brand" href="./" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >jsp作業(yè)/a>
  /div>
  div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
   ul class="nav navbar-nav navbar-right">
    li>a href="login.jsp" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >登錄/a>/li>
   /ul>
  /div>
 /div>
/nav>
div class="container">
 div class="jumbotron">
  h1>Hello, world!/h1>
  p>這是一個jsp作業(yè)/p>
 /div>
/div>
/body>
/html>

登錄頁面login.jsp

%@ page contentType="text/html; charset=utf-8" language="java"%>
html lang="zh-CN">
head>
 meta charset="utf-8">
 meta http-equiv="X-UA-Compatible" content="IE=edge">
 meta name="viewport" content="width=device-width, initial-scale=1">
 title>登錄/title>
 link href="css/bootstrap.min.css" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="stylesheet">
/head>
body>
nav class="navbar navbar-default">
 div class="container-fluid">
  div class="navbar-header">
   a class="navbar-brand" href="./" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >jsp作業(yè)/a>
  /div>
  div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
   ul class="nav navbar-nav navbar-right">
    li>a href="login.jsp" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >登錄/a>/li>
   /ul>
  /div>
 /div>
/nav>
div class="container">
 div class="row">
  div class="col-md-4">

  /div>
  div class="col-md-4">
   form class="form-signin" method="post" action="login-check.jsp">
    h2 class="form-signin-heading">登錄到j(luò)sp作業(yè)/h2>
    label for="">用戶名/label>
    input type="text" name="username" id="username" class="form-control" placeholder="請輸入用戶名" required autofocus>br>
    label for="">密碼/label>
    input type="password" name="password" id="password" class="form-control" placeholder="請輸入密碼" required>
    div class="checkbox">
     label>
      input type="checkbox" value="remember-me" checked="checked"> 記住密碼
     /label>
    /div>
    button type="submit" class="btn btn-primary" id="btn-login">登錄/button>
    a href="reg.jsp" rel="external nofollow" rel="external nofollow" class="btn btn-default">注冊/a>
   /form>
  /div>
  div class="col-md-4">
  /div>
 /div>
/body>
/html>

登錄結(jié)果頁面login-check.jsp

%@ page contentType="text/html; charset=utf-8" language="java"%>
html lang="zh-CN">
head>
 meta charset="utf-8">
 meta http-equiv="X-UA-Compatible" content="IE=edge">
 meta name="viewport" content="width=device-width, initial-scale=1">
 title>登錄/title>
 link href="css/bootstrap.min.css" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="stylesheet">
/head>
body>
nav class="navbar navbar-default">
 div class="container-fluid">
  div class="navbar-header">
   a class="navbar-brand" href="./" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >jsp作業(yè)/a>
  /div>
  div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
   ul class="nav navbar-nav navbar-right">
    li>a href="login.jsp" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >登錄/a>/li>
   /ul>
  /div>
 /div>
/nav>
div class="container">
 div class="row">
  div class="col-md-4">

  /div>
  div class="col-md-4">
   form class="form-signin" method="post" action="login-check.jsp">
    h2 class="form-signin-heading">登錄到j(luò)sp作業(yè)/h2>
    label for="">用戶名/label>
    input type="text" name="username" id="username" class="form-control" placeholder="請輸入用戶名" required autofocus>br>
    label for="">密碼/label>
    input type="password" name="password" id="password" class="form-control" placeholder="請輸入密碼" required>
    div class="checkbox">
     label>
      input type="checkbox" value="remember-me" checked="checked"> 記住密碼
     /label>
    /div>
    button type="submit" class="btn btn-primary" id="btn-login">登錄/button>
    a href="reg.jsp" rel="external nofollow" rel="external nofollow" class="btn btn-default">注冊/a>
   /form>
  /div>
  div class="col-md-4">
  /div>
 /div>
/body>
/html>

注冊頁面reg.jsp

%@ page contentType="text/html; charset=utf-8" language="java"%>
html lang="zh-CN">
head>
 meta charset="utf-8">
 meta http-equiv="X-UA-Compatible" content="IE=edge">
 meta name="viewport" content="width=device-width, initial-scale=1">
 title>注冊/title>
 link href="css/bootstrap.min.css" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="stylesheet">
/head>
body>
nav class="navbar navbar-default">
 div class="container-fluid">
  div class="navbar-header">
   a class="navbar-brand" href="./" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >jsp作業(yè)/a>
  /div>
  div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
   ul class="nav navbar-nav navbar-right">
    li>a href="login.jsp" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >登錄/a>/li>
   /ul>
  /div>
 /div>
/nav>
div class="container">
 div class="row">
  div class="col-md-4">
  /div>
  div class="col-md-4">

   form class="form-signin" action="reg-submit.jsp" method="post">
    h2 class="form-signin-heading">注冊到j(luò)sp作業(yè)/h2>
    div id="info">

    /div>
    label for="">用戶名/label>
    input type="text" name="username" id="username" class="form-control" placeholder="請輸入用戶名" required autofocus>br>
    label for="">密碼/label>
    input type="password" name="password" id="password" class="form-control" placeholder="請輸入密碼" required>br>
    label for="">重復(fù)密碼/label>
    input type="password" name="password2" id="password2" class="form-control" placeholder="請再次輸入密碼" required maxLength="16">br>
    button type="submit" class="btn btn-primary" id="btn-reg">注冊/button>
    a href="login.jsp" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="btn btn-default" id="btn-reg">返回登錄/a>
   /form>
  /div>
  div class="col-md-4">
  /div>
 /div>
/body>
/html>

注冊結(jié)果頁面reg-submit.jsp

%@ page contentType="text/html; charset=utf-8" language="java"%>
html lang="zh-CN">
head>
 meta charset="utf-8">
 meta http-equiv="X-UA-Compatible" content="IE=edge">
 meta name="viewport" content="width=device-width, initial-scale=1">
 title>結(jié)果/title>
 link href="css/bootstrap.min.css" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="stylesheet">
/head>
body>
nav class="navbar navbar-default">
 div class="container-fluid">
  div class="navbar-header">
   a class="navbar-brand" href="./" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >jsp作業(yè)/a>
  /div>
  div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
   ul class="nav navbar-nav navbar-right">
    li>a href="login.jsp" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >登錄/a>/li>
   /ul>
  /div>
 /div>
/nav>
div class="container">
 % String username = request.getParameter("username");
 String password = request.getParameter("password"); 
 String password2 = request.getParameter("password2"); 
 %>
 %
 if(password.equals(password2)){
  out.println("div class='alert alert-success' role='alert'>注冊成功/div>");
  out.println("ul class='list-group'>");
  out.println("li class='list-group-item'>用戶名：" + username + "/li>");
  out.println("li class='list-group-item'>密碼：" + password + "/li>");
  out.println("/ul>");
 }
 else{
  out.println("div class='alert alert-danger' role='alert'>兩次密碼輸入不一致，請重新輸入/div>");
 }
 %>
 !-- %=username %>
 %=password %>
 %=password2 %> -->
/div>

效果

到此這篇關(guān)于使用JSP實現(xiàn)簡單的用戶登錄注冊頁面示例代碼解析的文章就介紹到這了,更多相關(guān)JSP實現(xiàn)簡單的用戶登錄注冊頁面內(nèi)容請搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家！

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