JS客户端判断

<script language="javascript" type="text/javascript">

function browserDetection(){

var userAgent=window.navigator.userAgent.toLowerCase();

var browser=null;

if(userAgent.match(/ipad/i)){browser='ipad';

}else if(userAgent.match(/iphone os/i)){browser='iphone';

}else if(userAgent.match(/midp/i)){browser='midp'

}else if(userAgent.match(/rv:1.2.3.4/i)){browser='rv:1.2.3.4';

}else if(userAgent.match(/ucweb/i)){browser='ucweb';

}else if(userAgent.match(/android/i)){browser='android';

}else if(userAgent.match(/windows ce/i)){browser='windowsCe';

}else if(userAgent.match(/windows mobile/i)){browser='windowsMobile';

}else{browser='PC'

}

return browser;

}

if(browserDetection()!="PC"){alert("不是PC端")

}else{alert("是PC端")}

</script>