<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8" />
<title>js实现打开网页设备判断</title>
<script>
/*判断打开设备*/
var system ={  
  win : false,  
  mac : false,  
  xll : false 
};  
//检测平台   
var p = navigator.platform;  
system.win = p.indexOf("Win") == 0;  
system.mac = p.indexOf("Mac") == 0;  
system.x11 = (p == "X11") || (p.indexOf("Linux") == 0); 
var local= location.href;
//跳转语句   
if(system.win||system.mac||system.xll){
  //此处说明打开该网页设备为pc端
  alert("该设备为PC端");
  //若用移动端网址路径访问则自动跳转到对应pc端路径
  if(local=='http://www.centlight.com/mobile_web.html'){
    window.location.href="http://www.centlight.com/child_web.html";
  }else if(local=='http://www.centlight.com/mobile_ui.html'){
    window.location.href="http://www.centlight.com/child_ui.html";
  }else if(local=='http://www.centlight.com/mobile_php.html'){
    window.location.href="http://www.centlight.com/child_php.html";
  }else{
    window.location.href="http://www.centlight.com/";
  }  
}else{
  //此处说明打开该网页设备为移动端
  alert("该设备为移动端");
  //若用PC端网址路径访问则自动跳转到对应移动端路径
  if(local=='http://www.centlight.com/child_web.html'){
    window.location.href="http://www.centlight.com/mobile_web.html";
  }else if(local=='http://www.centlight.com/child_ui.html'){
    window.location.href="http://www.centlight.com/mobile_ui.html";
  }else if(local=='http://www.centlight.com/child_php.html'){
    window.location.href="http://www.centlight.com/mobile_php.html";
  }else{
    window.location.href="http://www.centlight.com/mobile.html";
  }
}

</script>
</head>
<body>
</body>
</html>