highcharts 橫座標只顯示整點或者半點的刻度

思路：獲取判斷是否是整點的時間  是整點或者半點，則labels顯示，反之隱藏； x軸請求的數據如下： ====timelist====04:55,05:00,05:05,05:10,05:15,05:20,05:25,05:30,05:35,05:40,05:45,05:50,05:55,06:00,06:05,06:10,06:15,06:20,06:25,06:30,06:35,06:40,

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