html5监控服务器端事件无刷新显示时间信息
<!DOCTYPE html>
<html>
<body>
<h1>Getting server updates</h1>
<div id="result"></div>
<script>
if(typeof(EventSource)!=="undefined")
{
var source=new EventSource("demo_sse.php");
source.onmessage=function(event)
{
document.getElementById("result").innerHTML+=event.data + "<br />";
};
}
else
{
document.getElementById("result").innerHTML="Sorry, your browser does not support server-sent events...";
}
</script>
</body>
</html>
demo_sse.php代码
<?php
header('Content-Type: text/event-stream');
header('Cache-Control: no-cache');
$time = date('r');
echo "data: The server time is: {$time}\n\n";
flush();
?>
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