Ext.onReady(function() {
/*****************/
	var currentWeek=0;
	  Ext.Ajax.request({
				url : './dept/getCurrentWeek.do',
				params : '',
				method : 'POST',
				async: false,
				success : function(response, options) {
					currentWeek = response.responseText;
				},
				failure : function() {
					Ext.Msg.alert("提示信息", "按钮加载失败,请稍后重试！");
				}
			});
ajax同步,需要增加扩展类,
下一步,根据当前的currentWeek,确定哪些列需要显示.
			var ObtainPhoneType = Ext.data.Record.create(['id', 'w20', 'w21', 'w22', 'w23']);

			var initObtainPhoneType = {};

			var obtain_phone_type_columns = [
					{
						header		: "ID编号",
						align		: 'center',
						width		: 80,
						sortable	: false,
						dataIndex	: 'id'
					},
					{
						header		: "W20",
						align		: 'center',
						width		: 80,
						sortable	: false,
						dataIndex	: 'w20',
						hidden:true
					},
					{
						header		: "W21",
						align		: 'center',
						width		: 80,
						sortable	: false,
						dataIndex	: 'w21',
						hidden:false
					},
					{
						header		: "W22",
						align		: 'center',
						width		: 80,
						sortable	: false,
						dataIndex	: 'w22',
						hidden:true
					},
					{
						header		: "W23",
						align		: 'center',
						width		: 80,
						sortable	: false,
						dataIndex	: 'w23',
						hidden:true
					}						
					];
			var obtain_phone_type_api = {
				read	: '',
				update	: '',
				create	: '',
				destroy	: ''
			}
			try{
			// create grid
			var obtain_phone_type_grid = new Fee.grid.EditBaseGridPanel(obtain_phone_type_api, ObtainPhoneType,
					initObtainPhoneType, obtain_phone_type_columns, 'id', {
						limit		: 32,
						addBtn		: false,
						autoSave	: false
					});
					//currentWeek=parseInt(currentWeek);
					var count=1;
					if(...){
						obtain_phone_type_grid.colModel.setHidden(1,false);//隐藏第2列,下标有0 开始,1为index计数.非dataIndex
						obtain_phone_type_grid.colModel.setHidden(2,false);//
					}
			// render to DIV
			obtain_phone_type_grid.render('obtain_phone_type');
			}catch(e){alert(e);}
		});
/*****************/