//点击下载APP
    $(".downloadapp").live('click',function(){
   
         var browser = {
             versions: function(){
   
                 var u = navigator.userAgent,
                 app = navigator.appVersion;
                 return{
                     ios: !!u.match(/\(i[^;]+;(U;)? CPU.+Mac OS X/), /*当前环境为iOS*/
                     android: u.indexOf('Android') > -

    //点击下载APP
    $(".downloadapp").live('click',function(){
   
         var browser = {
             versions: function(){
   
                 var u = navigator.userAgent,
                 app = navigator.appVersion;
                 return{
                     ios: !!u.match(/\(i[^;]+;(U;)? CPU.+Mac OS X/), /*当前环境为iOS*/
                     android: u.indexOf('Android') > -