<?php
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
echo '<script>confirm("确认提交吗?");</script>';
}
?>
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<link rel="stylesheet" href="lib/dist/css/bootstrap.css">
<script src="lib/jquery-3.2.1.js"></script>
<script src="lib/dist/js/bootstrap.js"></script>
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<div class="container">
<div class="row">
<div class="col-md-12 text-center">
<h1>用户注册</h1>
</div>
</div>
<div class="row">
<div class="col-md-12">
<form class="form-horizontal" method="post">
<div class="form-group">
<label for="inputEmail3" class="col-sm-2 control-label">用户名</label>
<div class="col-sm-10">
<input type="text" name="name" value="<?php echo (isset($_POST['name'])) ? $_POST['name']:'' ?>"><br>
</div>
</div>
<div class="form-group">
<label for="inputPassword3" class="col-sm-2 control-label">密码</label>
<div class="col-sm-10">
<input type="password" name="password" value="<?php echo (isset($_POST['password'])) ? $_POST['password']:'' ?>">
</div>
</div>
<div class="form-group">
<label for="inputPassword3" class="col-sm-2 control-label">性别</label>
<div class="col-sm-10">
<input type="radio" name="gender" value="male" <?php echo (isset($_POST['gender']) && ($_POST['gender']=='male')) ? 'checked' :'' ?> >男
<input type="radio" name="gender" value="female" <?php echo (isset($_POST['gender']) && ($_POST['gender']=='female')) ? 'checked' :'' ?>>女
</div>
</div>
<div class="form-group">
<label for="inputPassword3" class="col-sm-2 control-label">学历</label>
<div class="col-sm-10">
<select name="">
<option value="bk" <?php echo (isset($_POST['degree']) && ($_POST['degree']=='bk')) ? 'selected' :'' ?>>本科</option>
<option value="yjs" <?php echo (isset($_POST['degree']) && ($_POST['degree']=='yjs')) ? 'selected' :'' ?>>研究生</option>
<option value="bs" <?php echo (isset($_POST['degree']) && ($_POST['degree']=='bs')) ? 'selected' :'' ?>>博士</option>
</select>
</div>
</div>
<div class="form-group">
<div class="col-sm-offset-2 col-sm-10">
<button type="submit" class="btn btn-default">提交</button>
</div>
</div>
</form>
</div>
</div>
</div>
</body>
</html>备注:
<?php echo (isset($_POST['degree']) && ($_POST['degree']=='bk')) ? 'selected' :'' ?>
<?php echo (isset($_POST['gender']) && ($_POST['gender']=='male')) ? 'checked' :'' ?>
<?php echo (isset($_POST['name'])) ? $_POST['name']:'' ?>
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