//判斷手機(jī)橫豎屏狀態(tài)：function hengshuping(){if(window.orientation==180||window.orientation==0){alert("豎屏狀態(tài)！")}if(window.orientation==90||window.orientation==-90){alert("橫屏狀態(tài)！")}}window.addEventListener("onorientationchange" in window ? "orientationchange" : "resize", hengshuping, false);

function orient() {if (window.orientation == 90 || window.orientation == -90) {//ipad、iphone豎屏；Andriod橫屏$("body").attr("class", "landscape");orientation = 'landscape';return false;}else if (window.orientation == 0 || window.orientation == 180) {//ipad、iphone橫屏；Andriod豎屏$("body").attr("class", "portrait");orientation = 'portrait';return false;}}//頁(yè)面加載時(shí)調(diào)用$(function(){orient();});//用戶變化屏幕方向時(shí)調(diào)用$(window).bind( 'orientationchange', function(e){orient();});