自定义LineChart的数据字段的显示格式:
<mx:LineChart id="linechart1" height="100%" width="100%" dataProvider="{ datasource }" showDataTips="true" seriesFilters="[]"> <mx:horizontalAxis> <mx:CategoryAxis displayName="结算周期" categoryField="settledate" labelFunction="setRegisterDateFormat2" dataFunction="dataFunc"/> </mx:horizontalAxis> <mx:series> <mx:LineSeries displayName="补贴金额" yField="subsidymoney"/> <mx:LineSeries displayName="消费金额" yField="salesmoney"/> </mx:series> </mx:LineChart>
private function dataFunc( axis : CategoryAxis, item : Object ):Object { var df : DateFormatter = new DateFormatter(); df.formatString = "YYYY-MM"; return df.format( item.settledate ); }
private function setRegisterDateFormat2 ( item:Object, prevValue:Object, axis:CategoryAxis, categoryItem:Object ) : String { var df : DateFormatter = new DateFormatter(); df.formatString = "YYYY-MM"; return df.format( item ); }