/* *异步js 扩展加载标识 *@author */ (function($){ if($.fn.async) { return; } if(!document.body) { document.write("<body/>"); } $.fn.extend({ async : function(url,obj,callback) {//异步路径,指定异步返回数据填充的div,回调函数 if(!this) { alert("对象未找到..."); return; } var height; if(obj) { var _obj = typeof(obj); if( _obj == "function") { callback = obj; }else if(_obj == "number") { height = obj; } } obj = this.wrap("<div style='position:relative;width:100%;'/>"); var o = obj.parent(); var img = $("<img src='/common/images/loading.gif' style='position:absolute;z-index:9999;display:none;'/>").appendTo(o); var h = img.height(); var oh = obj.height(); var top = height ? height : oh < h ? 0 : (oh-h)/4; img.css({"left":(obj.width()-img.width())/2,"top":top < 20 ? 20 : top,"display":""}); $.ajax({ url : url, timeout : 30000, complete : function() { o.replaceWith(obj); if($.isFunction(callback)) { callback(); } }, success : function(data) { obj.html(data); } }) } }); })(jQuery);
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