1, tree involved in the js or jsp page insert:
Ext.BLANK_IMAGE_URL = 'ext / resources / images / default / tree / s.gif';
Or (jsp Medium)
<script type="text/javascript">
Ext.BLANK_IMAGE_URL = '/ ext / resources / images / default / tree / s.gif';
</ script>
2, jsp pages are introduced there is the order of js,
Ext to the introduction of the js,
<link rel="stylesheet" type="text/css" href="ext/resources/css/ext-all.css"/>
<script type="text/javascript" src="ext/adapter/ext/ext-base.js"> </ script>
<script type="text/javascript" src="ext/ext-all.js"> </ script>
Js re-introduction of their own before they can. Not be prompted to wrong.







