出版日期:2014-11
ISBN:9787115370591
作者:[美] Darren Cook
页数:200页
《HTML5数据推送应用开发》的笔记-第96页
<?php
header('Content-Type: text/plain');
if(array_key_exists('HTTP_USER_AGENT',$_SERVER)
&& strpos($_SERVER['HTTP_USER_AGENT'],'Chrome/') !== false
) echo stpeat(' ',1023)."\n";
@ob_flush();@flush();
$ch='A';
while(true){
echo json_encode($ch . $ch);
@ob_flush();flush();
if($ch == 'Z')break;
++$ch;
sleep(1);
}
?>
《HTML5数据推送应用开发》的笔记-第17页
test9.php
<?php
?>
<!DOCTYPE HTML>
<html>
<body>
<pre id='x'>init</pre>
<script src="http://libs.baidu.com/jquery/1.9.1/jquery.min.js"></script>
<script>
var es = new EventSource('test8.php');
es.addEventListener('message',function(e){
$('#x').append("\n" + e.data);
},false) ;
</script>
</body>
</html>
test8.php
<?php
header("Content-Type: text/event-stream");
while(true){
echo 'data:'.date('Y-m-d H:i:s')."\n\n";
@ob_flush();flush();
sleep(1);
}
?>output:
init
2016-03-28 15:33:11
2016-03-28 15:33:12
2016-03-28 15:33:13
2016-03-28 15:33:14
2016-03-28 15:33:15
2016-03-28 15:33:16
2016-03-28 15:33:17