submit form automatically only once
Question
I have made a form which I need to self submit automatically when page is opened. I have tried this javascript code but what it does it creates a loop where form is submitted unlimited time without stop. I need the code where form would be submitted only once when page is opened. Please give me an advice.
<form id="form" action="form.php" method="POST" >
<select id="main" name="main">
<option value="1" <?php if (@$_POST['main']=='1') {echo "selected='selected'"; } ?>>One</option>
<option value="2" <?php if (@$_POST['main']=='2') {echo "selected='selected'"; } ?>>Two</option>
</select>
</form>
<script>
document.getElementById("form").submit();
</script>
5 answers
solution1
1 2014-04-11 07:19:28
try calling on onload of document:
function submitForm()
{
document.getElementById("form").submit();
}
window.onload=submitForm;
Since page onload called only once when page is completely loaded so it will call it once. Until you are reloading page again by code or using refresh of browser.
solution2
1 2016-04-04 06:44:30
Below is the java script for submit form automatically you have to import jquery.min.js from http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js
after reading a td value of class error
$("td.error").each(function () {
// 'this' is now the raw td DOM element
var txt = $(this).html();
n=txt.length;
});
if(n!=0)
{
alert(n)
}
if(n==0)
{
document.forms["login"].submit();
}
my html file contain code like
<td colspan="2" class="error"><br/><i18n:text><xsl:value-of select="$message"/></i18n:text></td>
solution3
1 2016-07-28 10:06:20
用这个：
<body onload = "if (location.search.length < 1){ document.getElementById('form').submit()}">
solution4
0 ACCPTED 2014-04-11 07:19:47
You can check if the form was previously submitted with the POST superglobal
<form id="form" action="form.php" method="POST" >
<select id="main" name="main">
<option value="1" <?php if (@$_POST['main']=='1') {echo "selected='selected'"; } ?>>One</option>
<option value="2" <?php if (@$_POST['main']=='2') {echo "selected='selected'"; } ?>>Two</option>
</select>
</form>
<?php
if ( ! isset($_POST['main']) ) { // not submitted yet
?>
<script>
document.getElementById("form").submit();
</script>
<?php
}
?>
solution5
0 2014-04-11 07:20:25
you can try onload event in body tag ..
like <body onload="submitForm();">
and your function like
<script>
function submitForm()
{
document.getElementById("form").submit();
}
</script>
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