{"id":1080,"date":"2024-12-18T10:03:41","date_gmt":"2024-12-18T02:03:41","guid":{"rendered":"http:\/\/www.chan.ink\/?p=1080"},"modified":"2024-12-18T10:03:44","modified_gmt":"2024-12-18T02:03:44","slug":"%e3%80%90pythondatetime%e3%80%91strf%e5%92%8cstrp","status":"publish","type":"post","link":"http:\/\/www.chan.ink\/index.php\/2024\/12\/18\/%e3%80%90pythondatetime%e3%80%91strf%e5%92%8cstrp\/","title":{"rendered":"\u3010Python|datetime\u3011strf\u548cstrp"},"content":{"rendered":"\n

strf<\/code> \u662f strftime<\/code> \u548c strptime<\/code> \u4e2d\u7684\u7f29\u5199\uff0c\u5206\u522b\u4ee3\u8868\u201cstring formatting<\/strong>\u201d\u548c\u201cstring parsing<\/strong>\u201d\u3002\u5b83\u4eec\u662f Python \u4e2d\u5904\u7406\u65f6\u95f4\u548c\u65e5\u671f\u7684 datetime<\/code> \u6a21\u5757\u4e2d\u7684\u5173\u952e\u65b9\u6cd5\u3002<\/p>\n\n\n\n

1. strftime<\/code>\uff08string format time\uff09<\/strong><\/h3>\n\n\n\n

\u5c06\u65e5\u671f\u548c\u65f6\u95f4\u5bf9\u8c61\u683c\u5f0f\u5316\u4e3a\u5b57\u7b26\u4e32\uff0cstrf<\/code> \u8868\u793a string format<\/strong>\u3002<\/p>\n\n\n\n

\u4f5c\u7528<\/h4>\n\n\n\n

\u5c06 datetime<\/code> \u5bf9\u8c61\u8f6c\u6362\u4e3a\u6307\u5b9a\u683c\u5f0f\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n

\u793a\u4f8b<\/h4>\n\n\n\n
from datetime import datetime\n\n# \u5f53\u524d\u65e5\u671f\u65f6\u95f4\nnow = datetime.now()\n\n# \u5c06\u65e5\u671f\u65f6\u95f4\u683c\u5f0f\u5316\u4e3a\u5b57\u7b26\u4e32\nformatted_time = now.strftime('%Y-%m-%d %H:%M:%S')\nprint(formatted_time)  # \u793a\u4f8b\u8f93\u51fa\uff1a2024-12-18 15:23:45<\/code><\/pre>\n\n\n\n
    \n
  • strf<\/code><\/strong> \u8868\u793a\u5b83\u662f\u683c\u5f0f\u5316\u51fd\u6570\uff0c\u8f93\u51fa\u662f\u5b57\u7b26\u4e32\uff08str<\/code>\uff09\u3002<\/li>\n\n\n\n
  • \u5e38\u7528\u4e8e\u751f\u6210\u6587\u4ef6\u540d\u3001\u65e5\u5fd7\u65f6\u95f4\u6233\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n
    \n\n\n\n
    2. strptime<\/code>\uff08string parse time\uff09<\/strong><\/h3>\n\n\n\n
    \u5c06\u5b57\u7b26\u4e32\u89e3\u6790\u4e3a\u65e5\u671f\u65f6\u95f4\u5bf9\u8c61\uff0cstrp<\/code> \u8868\u793a string parse<\/strong>\u3002<\/p>\n\n\n\n
    \u4f5c\u7528<\/h4>\n\n\n\n
    \u6839\u636e\u7ed9\u5b9a\u683c\u5f0f\u89e3\u6790\u4e00\u4e2a\u65f6\u95f4\u5b57\u7b26\u4e32\uff0c\u5c06\u5176\u8f6c\u6362\u4e3a datetime<\/code> \u5bf9\u8c61\u3002<\/p>\n\n\n\n
    \u793a\u4f8b<\/h4>\n\n\n\n
    from datetime import datetime\n\n# \u65f6\u95f4\u5b57\u7b26\u4e32\ntime_str = '2024-12-18 15:23:45'\n\n# \u5c06\u5b57\u7b26\u4e32\u89e3\u6790\u4e3a datetime \u5bf9\u8c61\nparsed_time = datetime.strptime(time_str, '%Y-%m-%d %H:%M:%S')\nprint(parsed_time)  # \u8f93\u51fa\uff1a2024-12-18 15:23:45<\/code><\/pre>\n\n\n\n
      \n
    • strp<\/code><\/strong> \u8868\u793a\u89e3\u6790\u51fd\u6570\uff0c\u5c06\u5b57\u7b26\u4e32\uff08str<\/code>\uff09\u89e3\u6790\u4e3a datetime<\/code>\u3002<\/li>\n\n\n\n
    • \u5e38\u7528\u4e8e\u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u65f6\u95f4\u5b57\u6bb5\u6216\u5904\u7406\u7528\u6237\u8f93\u5165\u7684\u65e5\u671f\u3002<\/li>\n<\/ul>\n\n\n\n
      \n\n\n\n
      \u603b\u7ed3<\/h3>\n\n\n\n
        \n
      • strf<\/code><\/strong>\uff1astring format<\/strong>\uff08\u5c06\u65e5\u671f\u65f6\u95f4\u5bf9\u8c61\u683c\u5f0f\u5316\u4e3a\u5b57\u7b26\u4e32\uff09\u3002<\/li>\n\n\n\n
      • strp<\/code><\/strong>\uff1astring parse<\/strong>\uff08\u5c06\u5b57\u7b26\u4e32\u89e3\u6790\u4e3a\u65e5\u671f\u65f6\u95f4\u5bf9\u8c61\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
        \u5b83\u4eec\u662f\u5bf9\u65f6\u95f4\u548c\u65e5\u671f\u8fdb\u884c\u53cc\u5411\u8f6c\u6362\u7684\u5de5\u5177\uff1a<\/p>\n\n\n\n
          \n
        1. strftime<\/code><\/strong> \u4ece datetime<\/code> \u2192 str<\/code>\u3002<\/li>\n\n\n\n
        2. strptime<\/code><\/strong> \u4ece str<\/code> \u2192 datetime<\/code>\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"
          strf \u662f strftime \u548c strptime \u4e2d\u7684\u7f29\u5199\uff0c\u5206\u522b\u4ee3\u8868\u201cstring formatting\u201d […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1080","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/www.chan.ink\/index.php\/wp-json\/wp\/v2\/posts\/1080","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.chan.ink\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.chan.ink\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.chan.ink\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.chan.ink\/index.php\/wp-json\/wp\/v2\/comments?post=1080"}],"version-history":[{"count":1,"href":"http:\/\/www.chan.ink\/index.php\/wp-json\/wp\/v2\/posts\/1080\/revisions"}],"predecessor-version":[{"id":1081,"href":"http:\/\/www.chan.ink\/index.php\/wp-json\/wp\/v2\/posts\/1080\/revisions\/1081"}],"wp:attachment":[{"href":"http:\/\/www.chan.ink\/index.php\/wp-json\/wp\/v2\/media?parent=1080"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.chan.ink\/index.php\/wp-json\/wp\/v2\/categories?post=1080"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.chan.ink\/index.php\/wp-json\/wp\/v2\/tags?post=1080"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}