如何使用 plotly 烛台用 Datetime 绘制 ax X？
例如，来自 DAX30 的数据：
DateTime Open High Low Close Volume
1 2016-05-19 06:00:00 9881.7 9899.6 9881.7 9892.0 71
2 2016-05-19 06:01:00 9892.0 9892.0 9878.2 9891.0 79
3 2016-05-19 06:02:00 9891.1 9896.3 9886.5 9895.9 64
4 2016-05-19 06:03:00 9896.1 9901.9 9892.4 9901.8 60
5 2016-05-19 06:04:00 9905.4 9907.9 9899.7 9907.9 74
6 2016-05-19 06:05:00 9907.7 9910.4 9904.5 9905.1 65
7 2016-05-19 06:06:00 9905.0 9905.0 9895.2 9896.8 56
8 2016-05-19 06:07:00 9897.0 9897.0 9888.0 9892.8 51
9 2016-05-19 06:08:00 9892.3 9904.9 9890.8 9903.5 66
10 2016-05-19 06:09:00 9903.1 9903.5 9894.3 9898.2 36