查询当天的数据

方法一:



SET @dt = CURDATE();
SELECT * FROM table_name WHERE condition1 AND conditions2 AND column_name=@dt;



方法二:



/*使用函数*/
SELECT * FROM table_name WHERE condition1 AND condition2 AND date(column_name)= CURDATE();



方法三:



SELECT * FROM table_name WHERE condition1 AND condition2 AND TO_DAYS(column_name)= TO_DAYS(NOW());



查询一周的数据



SELECT * FROM table_name WHERE condition1 AND condition2 AND DATE_SUB(CURDATE(), INTERVAL 7 DAY) <= date(column_name);



方法二:



SELECT * FROM table_name WHERE condition1 AND condition2 AND DATE_SUB(CURDATE(), INTERVAL 1 WEEK) <= date(column_name);



查询一月的数据



SELECT * FROM table_name WHERE condition1 AND condition2 AND DATE_SUB(CURDATE(), INTERVAL 1 MONTH) <= date(column_name);



查询一年的数据



SELECT * FROM table_name WHERE condition1 AND condition2 AND DATE_SUB(CURDATE(), INTERVAL 1 YEAR) <= date(column_name);