接到个需求，一份Excel，A列作为数据源，跟B列比，B列中在A列不存在的数据标红色，然后B列要跟C列比，C列中在B列不存在的数据标黄色，然后有的工作表A列是空的。这需求我写了一下午，还没写出来，彻底摆烂了
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