javascript 动态获取cpu占用率
主要调用WMI class 获取硬件信息
代码
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html> <head> <title></title> </head> <body> <div id="debug">LoadPercentage:</div> wmi参考：http://msdn.microsoft.com/en-us/library/aa394373(VS.85).aspx
<script language=javascript>
var locator = new ActiveXObject ("WbemScripting.SWbemLocator"); function getCpuLoadPercentage()
{
var service = locator.ConnectServer("."); var properties = service.ExecQuery("SELECT * FROM Win32_Processor"); var e = new Enumerator (properties); for (;!e.atEnd();e.moveNext ()) { var p = e.item (); document.getElementById("debug").innerHTML += p.LoadPercentage + " ";
} } setInterval(function(){getCpuLoadPercentage();},100);
</script> </body></html>
