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感兴趣的小伙伴，下面一起跟随脚本之家 jb51.cc的小编来看看吧。
经测试代码如下：
<?php
/**
* 验证表单数据
*
* @param
* @arrange (512.笔记) jb51.cc
**/
function VerifyForm(&$values,&$errors)
{
// Do all necessary form verification
if (strlen($values['name']) < 3)
$errors['name'] = 'Name too short';
elseif (strlen($values['name']) > 50)
$errors['name'] = 'Name too long';
// Needs better checking ;)
if (!ereg('.*@.*..{2,4}',$values['email']))
$errors['email'] = 'Email address invalid';
if (strlen($values['text']) == 0)
$errors['text'] = 'Text required';
return (count($errors) == 0);
}
function DisplayForm($values,$errors)
{
?>
<html>
<head>
<title>Yadda yadda</title>
<style>
TD.error
{
color: red;
font-weight: bold;
}
</style>
</head>
<body>
<?php
if (count($errors) > 0)
echo "<p>There were some errors in your submitted form,please correct them and try again.</p>";
?>
<form action="<?= $_SERVER['PHP_SELF'] ?>" method="POST">
<table>
<tr>
<td>Name:</td>
<td><input type="text" size="30" name="name" value="<?= htmlentities($values['name']) ?>"/>
<td class="error"><?= $errors['name'] ?></td>
</tr>
<tr>
<td>Email:</td>
<td><input type="text" size="30" name="email" value="<?= htmlentities($values['email']) ?>"/>
<td class="error"><?= $errors['email'] ?></td>
</tr>
<tr>
<td valign="top">Text:</td>
<td>
<textarea name="text" cols="30" rows="6"><?= htmlentities($values['text']) ?></textarea>
</td>
<td class="error"><?= $errors['text'] ?></td>
</tr>
<tr><td colspan="2" align="center"><input type="submit" value="Submit"></tr>
</table>
</form>
</body>
</html>
<?php
}
function ProcessForm($values)
{
mail('foo@bar.com','Form test',$values['text'],"From: "{$values['name']}" <{$values['email']}>");
// Replace with actual page or redirect :P
echo "<html><head><title>Thank you!</title></head><body>Thank you!</body></html>";
}
if ($_SERVER['REQUEST_METHOD'] == 'POST')
{
$formValues = $_POST;
$formErrors = array();
if (!VerifyForm($formValues,$formErrors))
DisplayForm($formValues,$formErrors);
else
ProcessForm($formValues);
}
else
DisplayForm(null,null);
/*** 来自：脚本之家 jb51.cc（jb51.cc） ***/
?>
（编辑：安卓应用网）
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