Question

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center.

Closed 10 years ago.

我建立这个测试页面服务器。请告诉我为什么$ _POST数组中不包含任何即使我提交表单。我试了在三个不同的浏览器和什么也不会发生。

<?php print_r($_POST);?>

<form method="post">

<p><label>Email: </label>
<input type="text" id="login_email" />
</p>

<p><label>Password: </label>
<input type="password" id="login_password" />
</p>

<p><label>Remember Me?: </label>
<input type="checkbox" id="login_remember" />
</p>

<p>
<input type="submit" value="Login" />
</p>

</form>

多年来我一直在编写PHP这从未发生过。这段代码有什么问题?

Answer 1

输入元素没有名称的属性。应该是:

<input type="text" id="login_email" name="login_email" />

如果一个输入元素没有名称属性,它不是作为POST数据的一部分发送。

Answer 2

嗯,你不要有形式标记的行动?应该是脚本名称:

<form method="post" action="scriptname.php">

…你还没有设置每个表单输入的名字——浏览器并提交ID作为元素名称。

Answer 3

<form method="POST" action="<?php echo $PHP_SELF; ?>

<p><label>Email: </label>
<input type="text" name="login_email" />
</p>

<p><label>Password: </label>
<input type="password" name="login_password" />
</p>

<p><label>Remember Me?: </label>
<input type="checkbox" name="login_remember" />
</p>

<p>
<input type="submit" value="Login" />
</p>

</form>

Answer 4

年代没有输入元素的name属性。

Answer 5

我建议你写类似下功能基于Zend_View帮手。

formText($name, $value = null, array $attribs = null)
formPassword($name, $value = null, array $attribs = null)
formLabel($id, $text, array $attribs = null)
formHidden($name, $value = null, array $attribs = null)
formSubmit($name = null, $text = null, array $attribs = null)
formSelect($name, $selected, array $attribs = null, array $options = null)
formCheckbox($name, $default, array $attribs = null, array $options = null)

然后你将永远不会忘记/小姐这样的了。

<form method="POST" action="<?php echo $PHP_SELF; ?>

<p>
<?php
echo formLabel( login_email ,  Email ),  : ,
     formText( login_email ); 
?>
</p>

<p>
<?php
echo formLabel( login_password ,  Password ),  : ,
     formPassword( login_password ); 
?>
</p>

<p>
<?php
echo formCheckbox( login_remember ),    , 
     formLabel( login_remember ,  Remember me );
?>
</p>

<p>
<?php
echo formSubmit(null,  Login );
?>
</p>
</form>

Tip:

If id not defined in attribs, id is the same as name, except for labels where id is used in the for="$id" attribute and formHidden should not have a default id either.
formCheckbox writes a formHidden by same name before itself with the negative value, so you get a return value if the checkbox is not checked as well.
formCheckbox options is an array with the values for checked or unchecked.
Use a filter with FILTER_VALIDATE_BOOLEAN to read the return value from a checkbox to check if it was marked or not.

Answer 6

你所有的输入元素需要一个name属性。

Answer 7

你忘记这个名字属性使您的脚本工作。你也可以在标签中包含“for”标签来匹配输入名称的属性。不是一个需求,但可以帮助用CSS设计的表单:

<p>
<label for="login_email">Email: </label>
<input type="text" name="login_email" id="login_email" />
</p>

帮助匹配的一切,让你的代码更简化和可读的如果你有6个月后回来。action属性如果你不去填充一个我将包括这是你的行动:

<form method="POST" action="<?php echo $PHP_SELF; ?>

这将确保你的页面很好到表单需求以及做脚本应该执行。似乎是一个简单的高于视觉。希望这个有帮助。

友情链接