private var chartData5:ArrayCollection = new ArrayCollection([
{06:1,收入:23.7},
{06:2,收入:13.7},
{06:3,收入:25.6},
{06:4,收入:27.3},
{06:5,收入:22.1},
{06:6,收入:20.3},
{06:7,收入:15.7},
{06:8,收入:26.4},
{06:9,收入:27.3},
{07:1,收入:33.7},
{07:2,收入:30.0},
{07:10,收入:28.3},
{07:11,收入:39.4},
{07:12,收入:36.0},
{08:1,收入:36.7},
{08:2,收入:33.3},
{08:9,收入:37.3},
{08:10,收入:38.3},
{08:11,收入:39.4},
{08:12,收入:40.0},
{09:1,收入:53.7},
{09:2,收入:43.7},
{09:9,收入:46.3},
{09:10,收入:55.3},
{09:11,收入:55.4},
{09:12,收入:53.0},
{10:1,支出:54.7},
{10:2,支出:53.7},
{10:3,支出:55.6},
{10:4,支出:57.3},
{10:5,支出:52.1}
]);比如这个JSON数组,怎么取出一个Array {"06","收入","07","收入","08","收入","09","收入","10","支出"}这样的?