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代码如下:
SELECT date_format( date_add( DATE_ADD( curdate(), INTERVAL - DAY ( curdate())+ 1 DAY ), INTERVAL ( cast( help_topic_id AS signed INTEGER ) + 0 ) DAY #CAST(value AS datatype):将value转为需要的datatype类型;SIGNED:整数 ), '%Y-%m-%d' ) months FROM mysql.help_topic #随便一张系统表,数据条数大于每月最大天数31 WHERE help_topic_id < DAY (LAST_DAY(CURRENT_DATE)) #LAST_DAY(CURRENT_DATE):获取当月最后一天的日期;DAY (LAST_DAY(CURRENT_DATE)):获取当月的天数 ORDER BY help_topic_id;
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