[英]About auto refresh a part of <div> in the php file
I want to test auto refresh in a php file.我想在 php 文件中测试自动刷新。 The following I'd the code.
下面是我的代码。 However, I cannot do it.
但是,我做不到。 I don't know what is the problem?
我不知道是什么问题?
<html>
<head>
<title>TEST</title>
</head>
<body>
<script type="text/javascript">
window.onload = setupRefresh;
function setupRefresh()
{
setInterval("refreshBlock();",1000);
}
function refreshBlock()
{
$('#test').load("test.php");
}
</script>
<div id="test">
<?php echo rand(); ?>
</div>
</body>
</html>
Do like that.这样做。
<html>
<head>
<title>TEST</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
</head>
<body>
<script type="text/javascript">
window.onload = setupRefresh;
function setupRefresh()
{
setInterval(refreshBlock,1000); //Call function like this
}
function refreshBlock()
{
$('#test').load("test.php");
}
</script>
<div id="test">
<?php echo rand(); ?>
</div>
</body>
</html>
You use jQuery code so please add jQuery library You can get link from here您使用 jQuery 代码,因此请添加 jQuery 库您可以从这里获取链接
https://www.w3schools.com/jquery/jquery_get_started.asp https://www.w3schools.com/jquery/jquery_get_started.asp
This will be working fine这将正常工作
<html>
<head>
<title>TEST</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
</head>
<body>
<script type="text/javascript">
window.onload = setupRefresh;
function setupRefresh()
{
setInterval(refreshBlock,1000);
}
function refreshBlock()
{
$('#test').load("http://localhost/test.php"); // just update your test file url
}
</script>
<div id="test">
<?php echo rand(); ?>
</div>
</body>
</html>
This is your test.php file(example code)这是你的 test.php 文件(示例代码)
<?php
echo date("Y-m-d H:i:s");
?>
Output will be like this and auto update time输出将是这样的,并且自动更新时间
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