解决方案，找了下资料，加一个遮罩层，提升用户体验。
<script type="text/javascript"> ???????var width = document.documentElement.clientWidth; ???????var height = document.documentElement.clientHeight; ???????var html = "<div id=‘loading‘ style=‘position:absolute;left:0;width:100%;height:" + height + "px;top:0;background:#E0ECFF;opacity:1;filter:alpha(opacity=100);‘>"; ???????//html += "<div style=‘position:absolute;cursor1:wait;left:" + ((width / 2) - 75) + "px;top:200px;width:150px;height:16px;padding:12px 5px 10px 30px;"; ???????//html += "background:#fff url(../themes/default/images/loading.gif) no-repeat scroll 5px 10px;border:2px solid #ccc;color:#000;‘>"; ???????//html += "正在加载，请等待..."; ???????//html += "</div>"; ???????html += "</div>"; ???????window.onload = function () { ???????????var mask = document.getElementById(‘loading‘); ???????????mask.parentNode.removeChild(mask); ???????}; ???????document.write(html); ???????document.write(html); ???</script>easyui datagrid JS加载样式 表头乱
原文地址：http://www.cnblogs.com/ligenyun/p/7634466.html