charts的折线图如何展示同一天多个时间有数据？


图上是阿里云 物联网提供上的canvas 请问是阿里云自己画的canvas效果吗？
同一天多个时段有数据，展示效果应该是这样
就是在竖线上有几个点
但是我查了charts的拆线图弄不出这种效果
难道要自己画一个吗？

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回答

echarts 可以实现。series-line.step 可以设置阶梯线图。
至于“同一天多个时段有数据，在竖线上有几个点”，这个应该就是数据问题吧，把x轴的数据设为相同，y轴数据不同即可。

series: [
    { 
        data: [
            ['09-01', 10],
            ['09-01', 20],
            ['09-01', 30],
            ['09-01', 40],
            ['09-02', 10],
            ['09-02', 20]
        ]
    }
]

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