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beforeload : {
fn : function (store, operation, eOpts){
loadMask = new Ext.LoadMask(Ext.get(this.getEl()),{
msg : ‘数据加载中...‘,
removeMask : true// 完成后移除
});
loadMask.show();
}
},
load : {
fn : function(me, node, records, successful, eOpts){
loadMask.hide();
}
}
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原文地址：http://www.cnblogs.com/shinubi/p/5631294.html
