[flex] 如何对画出不同城市的不同时间点的报警个数的linechart
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jrunner
2011-03-02
数据源如下。四个城市的3个时间点的报警个数。想画出4条线形图。横轴是时间，纵轴是报警个数。一条曲线代表一个地区。求解。 11:00 12:00 13:00 北京 2 4 6 天津 3 5 5 上海 4 6 4 成都 5 7 3 将数据读入后形势大概如下，然后如何画这4条根据地区描绘的曲线呢？
private var expensesAC:ArrayCollection = new ArrayCollection( [
{ Time: "11:00", Profit: 2,City:"beijing" },
{ Time: "11:00", Profit: 3 ,City:"上海"},
{ Time: "11:00", Profit: 4 ,City:"天津"},
{ Time: "11:00", Profit: 5,City:"成都" },
{ Time: "12:00", Profit: 4,City:"beijing" },
{ Time: "12:00", Profit: 5 ,City:"上海"},
{ Time: "12:00", Profit: 6 ,City:"天津"},
{ Time: "12:00", Profit: 7,City:"成都" },
{ Time: "13:00", Profit: 6,City:"beijing" },
{ Time: "13:00", Profit: 5 ,City:"上海"},
{ Time: "13:00", Profit: 4 ,City:"天津"},
{ Time: "13:00", Profit: 3,City:"成都" }]);
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