FLEX 自定义格式化DataGrid的列值 labelFunction

?public static function shortDate(item:Object,column:DataGridColumn):String
?? {
???
??? return getFormatDate(item[column.dataField],'YYYY-MM-DD');
?? }
?? public static function getFormatDate(date:String=null,formatString:String='YYYY-MM-DD HH:NN:SS'):String
?? {
??? var myDate:DateFormatter = new DateFormatter();
??? myDate.formatString = formatString;
???
??? var a:Array=new Array();
??? a.push(0);a.push(0);a.push(0);
??? a.push(0);a.push(0);a.push(0);
??? if(date!=null)
??? {
???? var a0:Array=date.split(' ');
???? var a1:Array=a0[0].toString().split('-');
???? var a2:Array=a0[1].toString().split(':');????????
???? a[0]=a1[0];a[1]=a1[1];a[2]=a1[2];
???? a[3]=a2[0];a[4]=a2[1];a[5]=a2[2];
???? return myDate.format(new Date(a[0],a[1],a[2],a[3],a[4],a[5]));
??? }
??? else
??? return myDate.format(new Date());
???
???
?? }

<mx:DataGridColumn itemRenderer="mx.controls.Label" headerText="时间" dataField="articleAddTime" labelFunction="Misc.shortDate"/>