{"id":749,"date":"2019-05-01T17:57:04","date_gmt":"2019-05-01T09:57:04","guid":{"rendered":"http:\/\/www.eait.co\/?p=749"},"modified":"2019-05-01T18:42:59","modified_gmt":"2019-05-01T10:42:59","slug":"0429datetime-%e5%92%8clogging","status":"publish","type":"post","link":"https:\/\/notes.coremix.net\/?p=749","title":{"rendered":"datetime \u548clogging"},"content":{"rendered":"
datetime\u6a21\u5757<\/div>\n
date\u00a0 \u00a0 \u65e5\u671f\u5bf9\u8c61,\u5e38\u7528\u7684\u5c5e\u6027\u6709year,month,day<\/div>\n
time\u00a0 \u00a0 \u65f6\u95f4\u5bf9\u8c61hour,minute,second,\u6beb\u79d2<\/div>\n
datetime\u00a0 \u00a0 \u65e5\u671f\u65f6\u95f4\u5bf9\u8c61,\u5e38\u7528\u7684\u5c5e\u6027\u6709hour,minute,second,microsecond<\/div>\n
timedelta\u00a0 \u00a0 \u65f6\u95f4\u95f4\u9694,\u5373\u4e24\u4e2a\u65f6\u95f4\u70b9\u4e4b\u95f4\u7684\u957f\u5ea6<\/div>\n
\u4e3b\u8981\u4f7f\u7528datetime.datetime()\u00a0\u548cdatetime.timedelta()<\/div>\n
<\/div>\n
\u5e38\u7528\u65b9\u6cd5:<\/div>\n
\u83b7\u53d6\u5f53\u524d\u65e5\u671f\u65f6\u95f4:datetime.now()<\/div>\n
\u65e5\u671f\u65f6\u95f4\u8f6c\u6362\u4e3a\u65f6\u95f4\u6233:\u00a0\u65f6\u95f4\u65e5\u671f\u5bf9\u8c61.timestamp()<\/div>\n
\u793a\u4f8b: datetime.now().timestamp()<\/div>\n
\u65f6\u95f4\u6233\u8f6c\u5316\u4e3a\u65f6\u95f4: datetime.fromtimestamp(\u65f6\u95f4\u6233)<\/div>\n
\u793a\u4f8b: datetime.fromtimestamp( 1534231316.796308)<\/div>\n
\u65e5\u671f\u65f6\u95f4\u5bf9\u8c61\u8f6c\u5b57\u7b26\u4e32:\u00a0\u65e5\u671f\u65f6\u95f4\u5bf9\u8c61.strftime(format)<\/div>\n
datetime.now().strftime(‘%Y-%m-%d’)<\/div>\n
\u5b57\u7b26\u4e32\u8f6c\u65e5\u671f\u65f6\u95f4\u5bf9\u8c61:\u00a0datetime.datetime.strptime(data_str.format)<\/div>\n
\u793a\u4f8b:\u00a0datetime.datetime.strptime(‘2018-03-22 15:28:18′,’%Y-%m-%d %H:%M:%S’)<\/div>\n
<\/div>\n
\u4f5c\u4e1a:<\/div>\n
\u5fc5\u505a\u98981.\u5199\u4e00\u4e2a\u7a0b\u5e8f\u80fd\u63a5\u6536\u7528\u6237\u8f93\u5165\u51fa\u751f\u65e5\u671f\u4ece\u800c\u8ba1\u7b97\u51fa\u7528\u6237\u6d3b\u4e86\u591a\u5c11\u5929<\/div>\n
2.\u4f7f\u7528logging\u6a21\u5757\u5316\u7ec4\u4ef6\u5b9e\u73b0\u80fd\u8bb0\u5f55\u9519\u8bef\u4fe1\u606f\u5230\u6587\u4ef6\u7684\u7a0b\u5e8f\uff0c\u5e76\u5728\u7a0b\u5e8f\u91cc\u5236\u9020\u9519\u8bef\uff0c\u770b\u9519\u8bef\u4fe1\u606f\u662f\u5426\u88ab\u8bb0\u5f55\u4e0b\u6765<\/div>\n
<\/div>\n
<\/div>\n
import datetime<\/div>\n
a = datetime.datetime.now()#\u83b7\u53d6\u5f53\u524d\u65f6\u95f4<\/div>\n
print(a)<\/div>\n
<\/div>\n
my_date = datetime.date(2019,4,29)#\u521b\u5efa\u4e00\u4e2a\u65e5\u671f\u5bf9\u8c61<\/div>\n
print(my_date)<\/div>\n
print(type(my_date))<\/div>\n
my_time = datetime.time(20,43,50)<\/div>\n
print(my_time)<\/div>\n
<\/div>\n
my_datetime= datetime.datetime(2019,4,29,20,45,22) #\u521b\u5efa\u4e00\u4e2a\u65e5\u671f\u65f6\u95f4\u5bf9\u8c61<\/div>\n
print(my_datetime)<\/div>\n
print(type(my_datetime))<\/div>\n
<\/div>\n
print(datetime.date.min) #\u83b7\u53d6\u6700\u5927\u6700\u5c0f\u65e5\u671f<\/div>\n
print(datetime.date.max)<\/div>\n
<\/div>\n
a1 = datetime.timedelta(hours=5,minutes=30,seconds=33)<\/div>\n
print(datetime.datetime.now()-a1) #\u83b7\u53d6\u524d\u9762\u4e94\u4e2a\u5c0f\u65f6\u7684\u65f6\u95f4<\/div>\n
<\/div>\n
a2 = datetime.timedelta(weeks= 1,hours = 10)<\/div>\n
print(datetime.datetime.now()-a2) #\u83b7\u53d6\u4e00\u5468\u524d10\u5c0f\u65f6\u7684\u65f6\u95f4,\u53ef\u7528Ctrl\u518d\u70b9\u51fbtimedelta\u6765\u67e5\u770b\u5185\u7f6e\u53c2\u6570<\/div>\n
<\/div>\n
now = datetime.datetime.now()<\/div>\n
my_stamp=datetime.datetime.timestamp(now)#\u5c06\u65f6\u95f4\u683c\u5f0f\u8f6c\u6362\u6210\u65f6\u95f4\u6233<\/div>\n
print(my_stamp)<\/div>\n
newtime=datetime.datetime.fromtimestamp(my_stamp)#\u5c06\u65f6\u95f4\u6233\u5bf9\u8c61\u8f6c\u6362\u6210\u65e5\u671f<\/div>\n
print(newtime)<\/div>\n
<\/div>\n
print(newtime.strftime(‘%Y–%m-%d’)) #\u5c06\u65e5\u671f\u5bf9\u8c61\u8f6c\u6362\u6210\u5b57\u7b26\u4e32<\/div>\n
print(datetime.datetime.strptime(newtime.strftime(‘%Y–%m-%d’),’%Y–%m-%d’))<\/div>\n
print(type(datetime.datetime.strptime(newtime.strftime(‘%Y–%m-%d’),’%Y–%m-%d’)))<\/div>\n
#\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u6210\u6210\u65f6\u95f4\u65e5\u671f\u5bf9\u8c61\u5bfc\u51fa,\u8f93\u5165\u662f\u65f6\u95f4\u65e5\u671f\u5bf9\u8c61,\u5982\u679c\u53ea\u60f3\u8981\u65e5\u671f\u5bf9\u8c61\u5462?<\/div>\n
<\/div>\n
<\/div>\n
<\/div>\n
<\/div>\n
import logging#\u5bfc\u5165\u65e5\u5fd7\u6a21\u5757<\/div>\n
<\/div>\n
# \u521d\u59cb\u5316<\/div>\n
logger = logging.getLogger() #\u5b9e\u4f8b\u5316\u5bf9\u8c61<\/div>\n
# \u8bbe\u7f6e\u7ea7\u522b<\/div>\n
logger.setLevel(logging.DEBUG) #\u8bbe\u7f6e\u65e5\u5fd7\u7ba1\u7406\u5668\u7684\u6700\u4f4e\u7ea7\u522b,\u4f4e\u4e8e\u8fd9\u4e2a\u7ea7\u522b\u7684\u5c06\u4e0d\u8bb0\u5f55<\/div>\n
# \u5b9a\u4e49handler<\/div>\n
sh = logging.StreamHandler()#\u5728\u63a7\u5236\u53f0\u8f93\u51fa<\/div>\n
sh.setLevel(logging.DEBUG)#\u8fbe\u5230\u8fd9\u4e2a\u7ea7\u522b\u5c31\u8f93\u51fa<\/div>\n
<\/div>\n
fh = logging.FileHandler(‘test.log’,encoding=’utf-8′)#\u5199\u5165\u5230\u6587\u4ef6\u4e2d\u53bb<\/div>\n
fh.setLevel(logging.DEBUG)#\u8fbe\u5230\u8fd9\u4e2a\u7ea7\u522b\u5c31\u8f93\u51fa<\/div>\n
# \u683c\u5f0f\u5316\u8f93\u51fa<\/div>\n
formatter = logging.Formatter(‘\u65f6\u95f4:%(asctime)s,’<\/div>\n
‘\u65e5\u5fd7\u7ea7\u522b:%(levelname)s,’<\/div>\n
‘\u65e5\u5fd7\u5185\u5bb9:%(message)s’<\/div>\n
)<\/div>\n
sh.setFormatter(formatter)#\u8bbe\u7f6e\u5728\u63a7\u5236\u53f0\u8f93\u51fa\u7684\u683c\u5f0f<\/div>\n
fh.setFormatter(formatter)#\u8bbe\u7f6e\u5199\u5165\u6587\u4ef6\u8f93\u51fa\u7684\u683c\u5f0f<\/div>\n
<\/div>\n
logger.addHandler(sh)#\u8ba9\u4e0a\u9762\u7684handler\u751f\u6548<\/div>\n
logger.addHandler(fh)#\u8ba9\u4e0a\u9762\u7684handler\u751f\u6548<\/div>\n
<\/div>\n
if __name__ == ‘__main__’:<\/div>\n
logger.debug(‘\u8c03\u8bd5\u4e2d’)<\/div>\n
logger.info(‘\u6b63\u5728\u8fd0\u884c’)<\/div>\n
logger.warning(‘\u8b66\u544a’)<\/div>\n
logger.error(‘\u9519\u8bef’)<\/div>\n
logger.critical(‘\u5d29\u6e83’)<\/div>\n
<\/div>\n
<\/div>\n
<\/div>\n
def func(n):<\/div>\n
try:<\/div>\n
num = 20\/n<\/div>\n
logger.info(num)<\/div>\n
except Exception as e:<\/div>\n
logger.error(e)<\/div>\n
func(0)<\/div>\n
<\/div>\n
<\/div>\n
<\/div>\n
<\/div>\n
<\/div>\n
<\/div>\n
<\/div>\n","protected":false},"excerpt":{"rendered":"

datetime\u6a21\u5757 date\u00a0 \u00a0 \u65e5\u671f\u5bf9\u8c61,\u5e38\u7528\u7684\u5c5e\u6027\u6709year,month,day time\u00a0 \u00a0 \u65f6\u95f4 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,23],"tags":[],"class_list":["post-749","post","type-post","status-publish","format-standard","hentry","category-java","category-python_note"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/posts\/749","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=749"}],"version-history":[{"count":2,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/posts\/749\/revisions"}],"predecessor-version":[{"id":755,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/posts\/749\/revisions\/755"}],"wp:attachment":[{"href":"https:\/\/notes.coremix.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=749"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=749"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}