create_time为时间格式(字段名create_time 根据自己表字段修改,数据库中存为201610071202）
SELECT DATE_FORMAT(create_time,'%Y%u') weeks,COUNT(id) COUNT FROM role GROUP BY weeks; SELECT DATE_FORMAT(create_time,'%Y%m%d') days,COUNT(id) COUNT FROM role GROUP BY days; SELECT DATE_FORMAT(create_time,'%Y%m') months,COUNT(id) COUNT ...阅读全文>>
