Question

从数据库中取出的值，循环放入map中，再把map放中list中，问怎样取出map中的key值 ，用flex语言如何实现

例如：searchResult = ArrayCollection(event.result);
var columnsArrayCollection:Array = new Array();
var searchresult:AdvancedDataGridColumn;
for(var i:int = 0; i < 15; i++){
searchresult = new AdvancedDataGridColumn();
searchresult.headerText="A"+i;
searchresult.dataField="a"+i;
columnsArrayCollection.push(searchresult);
searchTable_ADG.groupedColumns=columnsArrayCollection;
searchTable_ADG.dataProvider = searchResult;
}我现在得到key是A1.A2.A3....但我想得到我所查询的值，怎样实现？在这里list<map>集合的值给了searchResult，（searchTable_ADG是AdvancedDataGrid 的id）

Answer 1

Java代码：

Public Map<String,float> getMapResult(){

Map<String,String> map =new HashMap<String,String>();

map.put(“Chinese”,98.5);

map.put(“Math”,87);

map.put(“History”,89);

return map;

}

Flex代码：

public function result(event: ResultEvent):void

{

//Java中float类型的数据对应Flex中的Number类型数据

var chinesePoint: Number = event.result["Chinese"] as Number;

var mathPoint: Number = event.result["Math"] as Number;

var historyPoint: Number = event.result["History"] as Number;

}