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micropython time.sleep(sec) 睡眠给定的秒数

分类：基础知识篇 >> Micropython基础知识发布于 2024-05-16 815次阅读0点赞0收藏

time.sleep(sec)
函数说明：睡眠给定的秒数。

sec：睡眠时间
可以为浮点数，整数

示例：

import time
def mySleep():
 time.sleep(3)#睡眠3秒
 print("hello")
mySleep()

执行mySleep()函数后，你会发现过了三秒才会打印“hello”。
其他类似time(sec)的函数：
time.sleep_ms(ms)：睡眠给定的毫秒数，为int型。
time.sleep_us(us)：睡眠给定的微秒数，为int型。

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CONNECT:[ UseTime:0.000496s ] mysql:host=127.0.0.1;port=3306;dbname=mpyos_n;charset=utf8
SHOW FULL COLUMNS FROM `ls_goods_category` [ RunTime:0.000564s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend`,`remark`,`list` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.000325s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend`,`remark`,`list` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.000239s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend`,`remark`,`list` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.000169s ]
SHOW FULL COLUMNS FROM `ls_nav` [ RunTime:0.000389s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend`,`remark` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `sort` DESC,`id` ASC [ RunTime:0.000225s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend`,`remark` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `sort` DESC,`id` ASC [ RunTime:0.000221s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend`,`remark` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.000167s ]
SHOW FULL COLUMNS FROM `ls_friendly_link` [ RunTime:0.000376s ]
SELECT * FROM `ls_friendly_link` WHERE `is_show` = 1 AND `del` = 0 ORDER BY `id` DESC,`sort` DESC [ RunTime:0.000201s ]
SHOW FULL COLUMNS FROM `ls_help` [ RunTime:0.000366s ]
SELECT COUNT(*) AS think_count FROM `ls_help` `a` INNER JOIN `ls_help_category` `c` ON `c`.`id`=`a`.`cid` WHERE ( `a`.`del` = '0' AND `a`.`is_show` = '1' AND `c`.`del` = '0' AND `c`.`is_show` = '1' ) ORDER BY `a`.`id` DESC LIMIT 1 [ RunTime:0.000266s ]
SHOW FULL COLUMNS FROM `ls_goods` [ RunTime:0.000420s ]
SELECT * FROM `ls_goods` WHERE `id` = 145 AND `status` = 1 LIMIT 1 [ RunTime:0.000232s ]
UPDATE `ls_goods` SET `click_count` = 815 , `update_time` = 1770175831 WHERE `id` = 145 [ RunTime:0.000248s ]
SHOW FULL COLUMNS FROM `ls_goods_collect` [ RunTime:0.000390s ]
SELECT * FROM `ls_goods_collect` WHERE `user_id` = 2 AND `goods_id` = 145 LIMIT 1 [ RunTime:0.000183s ]
SHOW FULL COLUMNS FROM `ls_goods_like` [ RunTime:0.000330s ]
SELECT * FROM `ls_goods_like` WHERE `user_id` = 2 AND `goods_id` = 145 LIMIT 1 [ RunTime:0.000141s ]
SHOW FULL COLUMNS FROM `ls_goods_click` [ RunTime:0.000271s ]
INSERT INTO `ls_goods_click` SET `user_id` = 2 , `goods_id` = 145 , `create_time` = 1770175831 [ RunTime:0.001555s ]
SELECT * FROM `ls_goods` WHERE `id` = 146 AND `status` = 1 LIMIT 1 [ RunTime:0.000223s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 1 LIMIT 1 [ RunTime:0.000198s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 3 LIMIT 1 [ RunTime:0.000159s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1770175771 ORDER BY `create_time` DESC LIMIT 3 [ RunTime:0.000672s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1770175771 ORDER BY `click_count` DESC LIMIT 3 [ RunTime:0.000604s ]

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micropython time.sleep(sec) 睡眠给定的秒数

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