PHP、HTML：自动提交表单
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PHP, HTML: Submit form automatically
提问by Juicy
I have a PHP page with an HTML form on it. If some variables are set in the URL I would like to automatically submit the form on the page.
我有一个带有 HTML 表单的 PHP 页面。如果在 URL 中设置了一些变量，我想自动提交页面上的表单。
IE:
IE：
if (isset($_GET['var']))
{
// SUBMIT FORM
}
else
{
// leave the page alone
}
EDIT:
编辑：
Here is what I have using the answer that someone provided below, but it's still not working. I would like the form to submit itself if the condition is met.
这是我使用下面有人提供的答案所得到的，但它仍然无法正常工作。如果满足条件，我希望表单自行提交。
<?php
if ($r == 1)
{
echo "
<br>
<form action=\"bookRoom.php\" method=\"post\" id=\"dateForm\">
<input name=\"from\" type=\"hidden\" value=\"$fday/$fmonth/$fyear\">
<input name=\"to\" type=\"hidden\" value=\"$tday/$tmonth/$tyear\">
<input type=\"submit\">
</form>
<script type=\"text/javascript\">
$('#dateForm').submit();
</script>
";
}
?>
回答by Charaf JRA
Using pure javascript instead of jQuery :
使用纯 javascript 而不是 jQuery ：
<?php
if (isset($_GET['var']))
{?>
<script type="text/javascript">
document.getElementById('dateForm').submit(); // SUBMIT FORM
</script>
<?php
}
else
{
// leave the page alone
}
?>
回答by Moeed Farooqui
I think you want this:
我想你想要这个：
<?php
if (isset($_GET['var']))
{?>
<script type="text/javascript">
document.getElementById("formid").submit(); // Here formid is the id of your form
^
</script>
<?php }
else
{
// leave the page alone
}
?>
