https://www.enaea.edu.cn/jsf/downLoadAPP.js?vis=1.0

1var isMobileBrowser = function(){
2			var sUserAgent = navigator.userAgent.toLowerCase();
3		    var bIsIpad = sUserAgent.match(/ipad/i) == "ipad";
4		    var bIsIphoneOs = sUserAgent.match(/iphone os/i) == "iphone os";
5		    var bIsMidp = sUserAgent.match(/midp/i) == "midp";
6		    var bIsUc7 = sUserAgent.match(/rv:1.2.3.4/i) == "rv:1.2.3.4";
7		    var bIsUc = sUserAgent.match(/ucweb/i) == "ucweb";
8		    var bIsAndroid = sUserAgent.match(/android/i) == "android";
9		    var bIsCE = sUserAgent.match(/windows ce/i) == "windows ce";
10		    var bIsWM = sUserAgent.match(/windows mobile/i) == "windows mobile";
11		    if (!(bIsIpad || bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM) ){
12		        return false;
13		    } else {
14		        return true;
15		    }
16	  }; 
17	  	var isMobile = isMobileBrowser();
18		if(isMobile){
19			var IMG_PATH = "http://www.enaea.edu.cn/imagesf";
20			var div = document.createElement("div");
21			div.className +=" bottom_xf";
22			var img = document.createElement("img");
23			img.className = "app_img";
24			img.src = IMG_PATH+"/AppLogo.png";
25			var a = document.createElement("a");
26			a.className +="button";
27			a.href = 'http://www.enaea.edu.cn/mobile/app/';
28			a.innerHTML = "下载APP";
29			a.id = "downApp";
30			
31			var imgClose = document.createElement("img");
32			imgClose.className +=" img_close";
33			imgClose.src = IMG_PATH+"/close1.png";
34			imgClose.onclick = function(){
35				var parent = imgClose.parentNode.parentNode;
36				parent.removeChild(imgClose.parentNode);
37			};
38			div.appendChild(imgClose);
39			div.appendChild(img);
40			var span = document.createElement("span");
41			span.innerHTML="学习公社";
42			span.className += " app_title";
43			var span2 = document.createElement("span");
44			span2.innerHTML="学习交流同分享，共获共成长";
45			span2.className += " app_content";
46		
47			div.appendChild(span);
48			div.appendChild(span2);
49			div.appendChild(a);
50			document.getElementsByTagName("body")[0].appendChild(div); 
51		  }