mysql - php如何根据时间 显示相应时间下的数据 最优化性能的方案
之前在每个时间下，循环所有的数据来对比时间是否和以上时间相等，但每次都要对比所有的时间。浪费性能。
都没有其他方案
回复内容：
之前在每个时间下，循环所有的数据来对比时间是否和以上时间相等，但每次都要对比所有的时间。浪费性能。
都没有其他方案
先把每天的时间做分组，然后再根据今天时间遍历查询对应的数据
你没有把表展示出来，有几张表？表的关系怎么样的？所以不好给意见
大致，SELECT 名称，聚合(票数)，money FROM TABLE_NAME GROUP BY 时间，名称
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