MySQL - 查询今天的数据（以及昨天、本月、上个月、今年...）-蒲公英云

建表语句如下：

CREATE
TABLE

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      <code style="font-size:14px;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;line-height:1.5em;background:none;border:0px;float:none;margin:0px;padding:1px 0px;vertical-align:baseline;min-height:auto;"> (

id
INTEGER
UNSIGNED
NOT
NULL
AUTO_INCREMENT,

order_name
VARCHAR
(45)
NOT
NULL
,

order_time DATETIME
NOT
NULL
,

PRIMARY
KEY
(id)

)

下面根据 order_time 字段来查询各个时间段内的所有记录。

1，查询当天（今天）的数据

SELECT
*
FROM

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      <code style="font-size:14px;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;line-height:1.5em;background:none;border:0px;float:none;margin:0px;padding:1px 0px;vertical-align:baseline;min-height:auto;">

WHERE
TO_DAYS(order_time) = TO_DAYS(NOW())

2，查询昨天的数据

SELECT
*
FROM

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      <code style="font-size:14px;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;line-height:1.5em;color:rgb(0,102,153);background:none;border:0px;float:none;margin:0px;padding:1px 0px;vertical-align:baseline;font-weight:bold;min-height:auto;">order</code> 
      <code style="font-size:14px;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;line-height:1.5em;background:none;border:0px;float:none;margin:0px;padding:1px 0px;vertical-align:baseline;min-height:auto;">

WHERE
TO_DAYS(NOW()) - TO_DAYS(order_time) = 1

3，查询最近7天的数据（包括今天一共7天）

SELECT
*
FROM

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      <code style="font-size:14px;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;line-height:1.5em;background:none;border:0px;float:none;margin:0px;padding:1px 0px;vertical-align:baseline;min-height:auto;">

where
DATE_SUB(CURDATE(), INTERVAL 7
DAY
) <
date
(order_time)

4，查询最近30天的数据（包括今天一共30天）

SELECT
*
FROM

</code> 
      <code style="font-size:14px;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;line-height:1.5em;color:rgb(0,102,153);background:none;border:0px;float:none;margin:0px;padding:1px 0px;vertical-align:baseline;font-weight:bold;min-height:auto;">order</code> 
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where
DATE_SUB(CURDATE(), INTERVAL 30
DAY
) <
date
(order_time)

5，查询当月（本月）的数据

SELECT
*
FROM

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      <code style="font-size:14px;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;line-height:1.5em;color:rgb(0,102,153);background:none;border:0px;float:none;margin:0px;padding:1px 0px;vertical-align:baseline;font-weight:bold;min-height:auto;">order</code> 
      <code style="font-size:14px;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;line-height:1.5em;background:none;border:0px;float:none;margin:0px;padding:1px 0px;vertical-align:baseline;min-height:auto;">

WHERE
DATE_FORMAT(order_time,
‘%Y%m’
) = DATE_FORMAT(CURDATE(),
‘%Y%m’
)

6，查询上个月的数据

SELECT
*
FROM

</code> 
      <code style="font-size:14px;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;line-height:1.5em;color:rgb(0,102,153);background:none;border:0px;float:none;margin:0px;padding:1px 0px;vertical-align:baseline;font-weight:bold;min-height:auto;">order</code> 
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WHERE
PERIOD_DIFF(DATE_FORMAT(NOW(),
‘%Y%m’
), DATE_FORMAT(order_time,
‘%Y%m’
)) =1

7，查询本季度的数据

SELECT
*
FROM

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WHERE
QUARTER(order_time)=QUARTER(NOW())

8，查询上季度的数据

SELECT
*
FROM

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      <code style="font-size:14px;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;line-height:1.5em;background:none;border:0px;float:none;margin:0px;padding:1px 0px;vertical-align:baseline;min-height:auto;">

WHERE
QUARTER(order_time)=QUARTER(DATE_SUB(NOW(),INTERVAL 1 QUARTER))

9，查询当年（今年）的数据

SELECT
*
FROM

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      <code style="font-size:14px;font-family:Consolas, 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace;line-height:1.5em;color:rgb(0,102,153);background:none;border:0px;float:none;margin:0px;padding:1px 0px;vertical-align:baseline;font-weight:bold;min-height:auto;">order</code> 
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WHERE
YEAR
(order_time)=
YEAR
(NOW())

10，查询去年的数据

SELECT
*
FROM

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WHERE
YEAR
(order_time)=
YEAR
(DATE_SUB(NOW(),INTERVAL 1
YEAR
))