CSS的在安卓手机上做遮罩层的问题_html/css_WEB-ITnose

 loadingshow: function (msg) {        if (!msg) {            msg = "加载中...";        }        var jContext = $('body');        var jLoad = $("#appLoading");            var msgDIV = new Array();            msgDIV.push('<div id="appLoading" style="position:fixed;width:100%;height:100%; font-size:18px;background:rgba(0,0,0,0.5);top:0;left:0;z-index:555555">');            msgDIV.push("<div id='lContext'>@@##@@<span id='sInfo' style='margin-left:8px;display:inline-block'>" + msg + "</span>");            msgDIV.push('</div></div>');            jLoad = $(msgDIV.join('')).appendTo(jContext);            var left = jContext.width() / 2 - jLoad.find('#sInfo').width() / 2 - 20;            var top = jContext.height() / 2 - jLoad.find('#sInfo').height() / 2;            jLoad.find("#lContext").css({ position: 'fixed', top: top, left: left, color: 'white', padding: '10px', margin: '10px'});        $("#appLoading").show();//有问题请删除    },