利用php和js实现页面数据刷新

利用"XXXX.htm"和"XXX.php"两个文件来实现数据的刷新

XXXX.htm

 1<head>
 2<script>   
 3// Refresh code   
 4r_s = 0;   
 5timenow = 0;   
 6function calrs()   
 7{   
 8d = new Date();   
 9h= d.getHours(); m = d.getMinutes(); s = d.getSeconds();   
10  
11if( m < 10) m = '0' + m;   
12if( s < 10) s = '0' + s;   
13status = ' ' + h + ":" + m + ":" + s;   
14r_s = 2000;   
15} 
16
17calrs(); 
18
19function reload_me()   
20{   
21c = document.getElementById("reload1");   
22c.src = "";   
23c.src = "XXXXX.php?reload=1"; 
24
25calrs();   
26  
27setTimeout('reload_me()', r_s);   
28} 
29
30// Refresh code   
31setTimeout('reload_me()', r_s);   
32</script>
33<script id="reload1"></script>
34</head>

1<small>
2<div "document.all.p_show.innerhtml='\"?&lt;font' cache-control:="" color="red" echo="" id="p_show&gt;&lt;/div&gt;
3
4&lt;/small&gt;
5
6XXXXX.php

header(" must-revalidate");="" no-cache,="">".rand(0,9).""";