本文实例为大家分享了Extjs实现下拉树效果，供大家参考，具体内容如下text8 Ext.define('TreeComboBox',{ extend : 'Ext.form.field.ComboBox', store : {fields:[],data:[[]]}, width:300,editable : false, allowBlank:false, multiSelect : true,listConfig : {resizable:false,minWidth:150,maxWidth:250,}, _idValue : null, _txtValue : null, callback : Ext.emptyFn, treeObj : null, initComponent : function(){ this.tr...
本文实例为大家分享了Extjs实现下拉树效果，供大家参考，具体内容如下 <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>text8</title><link rel="stylesheet" type="text/css" href="../../../ext-4.2.1/resources/css/ext-all.css" ><script type="text/javascript" src="../../../ext-4.2.1/bootstrap.js"></script></head> <body><script>Ext.define(TreeComboBox,{ extend : Ext.form.field.ComboBox, store : {...