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注册表单验证
PHP小学生
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reg.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <link rel="stylesheet" href="dist/css/bootstrap.css">
    <script srt="dist/js/bootstrap.js"></script>
    <script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
    <title>网站注册</title>
</head>
<body>
<div class="container">
    <div class="row">
        <div class="col-md-3"></div>
        <div class="col-md-6 ">
            <h3 class="text-center">用户注册</h3>
            <form class="form-horizontal" method="post" action="check.php">
                <div class="form-group">
                    <label for="inputEmail3" class="col-sm-2 control-label">用户名</label>
                    <div class="col-sm-10">
                        <input type="text"  name="name" placeholder="用户名">
                    </div>
                </div>
                <div class="form-group">
                    <label for="inputPassword3" class="col-sm-2 control-label">密码</label>
                    <div class="col-sm-10">
                        <input type="password"  name="password" placeholder="密码">
                    </div>
                </div>
                <div class="form-group">

                        <label for="inputPassword3" class="col-sm-2 control-label">性别</label>
                    <div class="radio">
                    <label>
                            <input type="radio" name="sex"  value="male" checked>
                            男性
 </label>
                        <label>
                            <input type="radio" name="sex"  value="female">
                            女性
 </label>

                        <label>
                            <input type="radio" name="sex"  value="shemale" >
                            未知
 </label>
                    </div>
                </div>
                <div class="form-group">
                    <label for="inputPassword3" class="col-sm-2 control-label">年龄</label>
                    <div class="col-sm-10">
                        <select  name="age">
                            <option value="option1">10-20岁</option>
                            <option value="option2">20-30岁</option>
                            <option value="option3">30-40岁</option>

                        </select>
                    </div>
                </div>
                <div class="form-group">
                    <label for="inputPassword3" class="col-sm-2 control-label">备注</label>
                    <div class="col-sm-10">
                        <textarea  rows="3" name="text"></textarea>
                    </div>
                </div>

                <div class="form-group">
                    <div class="col-sm-offset-2 col-sm-10">
                        <div class="checkbox">
                            <label>
                                <input type="checkbox"> 记住我
 </label>
                        </div>
                    </div>
                </div>
                <div class="form-group">
                    <div class="col-sm-offset-2 col-sm-10">
                        <button type="submit" class="btn btn-default" name="submit">注册</button>
                    </div>
                </div>
            </form>

        </div>
        <div class="col-md-3"></div>
    </div>
</div>

</body>
</html>

check.php

<?php
header('content-type:text/html;charset=utf-8');
$name=isset($_REQUEST['name']) ? $_REQUEST['name'] : null;
if(empty($name)){
    echo '<script>alert("您没有输入用户名，请输入用户名");</script>';
}else{
    echo '<script>alert("您的用户名是'.$name.'")</script>';
}
    
    
$password=isset($_REQUEST['password']) ? $_REQUEST['password'] : null;
if(empty($password)){
    echo '<script>alert("您没有输入密码，请输入密码");)</script>';
}else{
    echo '<script>alert("请牢记您的密码")</script>';
}
$sex = $_REQUEST['sex'];
if($sex == 'male'){
    echo '<script>alert("您的性别是'.$sex.'")</script>';
}elseif ($sex == 'female'){
    echo '<script>alert("您的性别是'.$sex.'")</script>';
}elseif ($sex == 'shemale'){
    echo '<script>alert("您的性别是'.$sex.'")</script>';
}
$age = $_REQUEST['age'];
    switch ($_REQUEST['age']){
        case 'option1':
            echo '<script>alert("您的年龄范围是10-20岁")</script>';
            break;
        case 'option2':
            echo '<script>alert("您的年龄范围是20-30岁")</script>';
            break;
        case 'option3':
            echo '<script>alert("您的年龄范围是30-40岁")</script>';
            break;
        default:
            echo '<script>alert("您的年龄范围是")</script>';

    }
$text=isset($_REQUEST['text']) ? $_REQUEST['text'] : null;
if(empty($age)){
    echo '<script>alert("请输入备注");</script>';
}else{
    echo '<script>alert("您的备注是'.$text.'")</script>';
}


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