Ext.onReady(function(){//初始化全局 QuickTips 实例  使得tip提示可用Ext.QuickTips.init();//别名var xg=Ext.grid;//创建一个ArrayReadervar reader=new Ext.data.ArrayReader({},[{name:"name",type:"string"},{name:"age",type:"int"},{name:"empno",type:"int"},{name:"sex",type:"int"},{name:"birthday",type:"date",dateFormat:"n/j h:ia"},{name:"salary",type:"float"},{name:"deptno",type:"int"},{name:"desc",type:"string"}]);//创建一个RowExpander,行展开的时候的样式var expander=new Ext.ux.grid.RowExpander({tpl:new Ext.Template('<p><b>姓名:</b>{name}</p><br/>','<p><b>描述信息:</b>{desc}</p>')              }); //性别的erndererfunction sexCls(val){return val==0? "male" : "female";}//创建一个gridvar grid1=new xg.GridPanel({store:new Ext.data.Store({reader:reader,data:xg.dummyData//数据模型}),cm:new xg.ColumnModel({defaults:{width:20,sortable:true},columns:[expander,{header:"姓名",dataIndex:"name"},{header:"年龄",dataIndex:"age"},{id:"empno",header:"编号",width:40,dataIndex:"empno"},{header:"性别",dataIndex:"sex",renderer:sexCls},{header:"生日",dataIndex:"birthday",renderer:Ext.util.Format.dateRenderer("Y-m-d"),dataIndex:"birtdhay"},{header:"工资",dataIndex:"salary",dataIndex:"salary"},{header:"部门编号",dataIndex:"deptno"}]}),viewConfig:{//作用在grid's UI试图上的配置项对象， 任何Ext.grid.GridView可用的配置选项都可在这里指定。若view已指定则此项无效forceFit:true},width:600,height:300,plugins:expander,collapsible:true,//True表示为面板是可收缩的animCollapse:false,//True 表示为面板闭合过程附有动画效果title:"雇员的信息",iconCls:"icon-grid", //为该面板设置图标的样式类。此方法会覆盖当前现有的图标renderTo:document.body //提供到窗体的body上});});    //数据Ext.grid.dummyData=[["张三00",12,1001,1,"1990-05-20",3000,50],["张三01",16,1002,0,"1990-05-21",3000,20],["张三02",19,1003,1,"1990-05-22",3000,20],["张三03",25,1004,1,"1990-05-23",3000,10],["张三04",22,1005,1,"1990-05-24",3000,30],["张三05",24,1006,1,"1990-05-25",3000,20],["张三06",23,1007,0,"1990-05-26",3000,60],["张三07",21,1008,0,"1990-05-27",3000,90],["张三08",25,1009,0,"1990-05-28",3000,10],["张三09",28,1010,1,"1990-05-29",6000,20],["张三20",26,1011,0,"1990-05-20",2000,50],["张三21",29,1012,0,"1990-06-20",8000,40],["张三22",22,1013,1,"1990-01-20",3000,50],["张三23",28,1014,0,"1990-02-20",3000,60],["张三24",21,1015,1,"1990-08-20",3000,50]];// 添加描述信息for(var i = 0; i < Ext.grid.dummyData.length; i++){Ext.grid.dummyData[i].push('这个是一个简单的演示的信息,测试描述信息的.');}

上面是我的代码:

注意我的日期的格式,

还有解析的格式

需要注意的是,你的格式是什么样子的,那么需要在解析的时候就以什么格式解析改:Y-m-d

]还有一个地方:

应该改成birthday和reader中的一致