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折线图如果只有一条数据的话程序会崩溃 #63

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victorjiang-zz opened this issue Apr 16, 2018 · 1 comment

victorjiang-zz commented Apr 16, 2018

JHLineChart 折线图，如果只有一条数据，程序奔溃，在某些计算的方法中，如：
_perXLen = (_xLength-kXandYSpaceForSuperView)/(_xLineDataArr.count-1);

因为只有一条数据，_xLineDataArr.count = 1，所以分母为0，计算出_perXLen 为非法数值

meilulu commented Dec 29, 2018

所以必须有两条数据，自己做个判断好了

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