mysql数据库报1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregat

永久性修改 找到mysql文件里面my.ini,在[mysqld]最后添加下面代码重启mysql就好了：

sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION