摘要：
解决办法， 把ComboboxTree.js代码换成下面的：Ext.form.ComboBoxTree = Ext.extend(Ext.form.ComboBox, {store: new Ext.data.SimpleStore({ fields: [], data: [[]] }),editable: false,shadow: false,mode: 'local',triggerAction: 'all',selectedClass: '',onSelect: null,canCollapse: true,constructor: fu 阅读全文