横屏监听

// 横屏监听
var updateOrientation = function(){
if(window.orientation=='-90' || window.orientation=='90'){
$('.landscape-wrap').removeClass('hide');
console.log('为了更好的体验，请将手机/平板竖过来！');
}else{
$('.landscape-wrap').addClass('hide');
console.log('竖屏状态');
}
};
window.onorientationchange = updateOrientation;