ExtJS ComboBox下拉框
下拉框，选项数据从服务器端获取 new Ext.form.ComoBox({ id:'', hiddenName:'', //后台的变量名 fieldLabel:'', allowBlank:false, emptyText:'请选择', displayField:'name', //显示列 valueField:'id', //值 mode: 'local' , editable: false, triggerAction: 'all', anchor:'85%', store:new Ext.data.Store({ autoLoad:true, //自动加载数据 proxy: new Ext.data.HttpProxy({url: 'demo.action'}), reader: new Ext.data.JsonReader({ root: 'goodstypeList' }, [{name : 'name'},{name : 'id'}] ) }) });