{"id":1135073,"date":"2025-01-08T21:21:31","date_gmt":"2025-01-08T13:21:31","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1135073.html"},"modified":"2025-01-08T21:21:34","modified_gmt":"2025-01-08T13:21:34","slug":"python%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87%e5%87%ba%e7%94%9f%e6%97%a5%e6%9c%9f%e5%88%a4%e6%96%ad%e5%b9%b4%e9%be%84","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1135073.html","title":{"rendered":"python\u5982\u4f55\u901a\u8fc7\u51fa\u751f\u65e5\u671f\u5224\u65ad\u5e74\u9f84"},"content":{"rendered":"

\"python\u5982\u4f55\u901a\u8fc7\u51fa\u751f\u65e5\u671f\u5224\u65ad\u5e74\u9f84\"<\/p>\n

Python \u5982\u4f55\u901a\u8fc7\u51fa\u751f\u65e5\u671f\u5224\u65ad\u5e74\u9f84<\/strong><\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u901a\u8fc7\u8ba1\u7b97\u51fa\u751f\u65e5\u671f\u6765\u5224\u65ad\u4e00\u4e2a\u4eba\u7684\u5e74\u9f84\u662f\u4e00\u4e2a\u76f8\u5bf9\u7b80\u5355\u7684\u8fc7\u7a0b\u3002\u53ef\u4ee5\u4f7f\u7528datetime\u6a21\u5757\u3001\u4e86\u89e3\u65f6\u95f4\u5dee\u8ba1\u7b97\u3001\u5904\u7406\u65e5\u671f\u683c\u5f0f\u3001\u5904\u7406\u5f02\u5e38\u60c5\u51b5<\/strong>\u3002\u5176\u4e2d\uff0c\u6700\u91cd\u8981\u7684\u90e8\u5206\u662f\u5982\u4f55\u4f7f\u7528datetime\u6a21\u5757\u6765\u5904\u7406\u65e5\u671f\u548c\u65f6\u95f4\u5dee\u8ba1\u7b97\u3002<\/p>\n<\/p>\n

\u4e00\u3001DATETIME \u6a21\u5757\u7684\u4f7f\u7528<\/h3>\n<\/p>\n

Python\u7684datetime\u6a21\u5757\u662f\u5904\u7406\u65e5\u671f\u548c\u65f6\u95f4\u7684\u6807\u51c6\u5e93\uff0c\u5b83\u63d0\u4f9b\u4e86\u5404\u79cd\u51fd\u6570\u548c\u65b9\u6cd5\u6765\u64cd\u4f5c\u65e5\u671f\u548c\u65f6\u95f4\u3002<\/p>\n<\/p>\n

1.1 \u5bfc\u5165 datetime \u6a21\u5757<\/h4>\n<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5bfc\u5165datetime\u6a21\u5757\uff1a<\/p>\n<\/p>\n

import datetime<\/p>\n
<\/code><\/pre>\n<\/p>\n
1.2 \u83b7\u53d6\u5f53\u524d\u65e5\u671f<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528datetime\u6a21\u5757\u4e2d\u7684datetime.now()<\/code>\u51fd\u6570\u6765\u83b7\u53d6\u5f53\u524d\u7684\u65e5\u671f\u548c\u65f6\u95f4\uff1a<\/p>\n<\/p>\n
current_date = datetime.datetime.now()<\/p>\n
<\/code><\/pre>\n<\/p>\n
1.3 \u89e3\u6790\u51fa\u751f\u65e5\u671f<\/h4>\n<\/p>\n
\u5047\u8bbe\u7528\u6237\u8f93\u5165\u7684\u51fa\u751f\u65e5\u671f\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u5f62\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528datetime.strptime()<\/code>\u65b9\u6cd5\u5c06\u5176\u8f6c\u6362\u4e3adatetime\u5bf9\u8c61\uff1a<\/p>\n<\/p>\n
birth_date_str = "1990-01-01"<\/p>\n
birth_date = datetime.datetime.strptime(birth_date_str, "%Y-%m-%d")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u8ba1\u7b97\u5e74\u9f84<\/h3>\n<\/p>\n
\u4e00\u65e6\u6211\u4eec\u6709\u4e86\u5f53\u524d\u65e5\u671f\u548c\u51fa\u751f\u65e5\u671f\u7684datetime\u5bf9\u8c61\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8ba1\u7b97\u5b83\u4eec\u4e4b\u95f4\u7684\u5dee\u503c\u6765\u786e\u5b9a\u5e74\u9f84\u3002<\/p>\n<\/p>\n
2.1 \u8ba1\u7b97\u65e5\u671f\u5dee<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u76f8\u51cf\u4e24\u4e2adatetime\u5bf9\u8c61\u6765\u5f97\u5230\u4e00\u4e2atimedelta\u5bf9\u8c61\uff0c\u5b83\u8868\u793a\u4e24\u4e2a\u65e5\u671f\u4e4b\u95f4\u7684\u5dee\uff1a<\/p>\n<\/p>\n
age_timedelta = current_date - birth_date<\/p>\n
<\/code><\/pre>\n<\/p>\n
2.2 \u63d0\u53d6\u5e74\u9f84<\/h4>\n<\/p>\n
timedelta\u5bf9\u8c61\u7684days<\/code>\u5c5e\u6027\u8868\u793a\u4e24\u4e2a\u65e5\u671f\u4e4b\u95f4\u7684\u5929\u6570\u3002\u6211\u4eec\u53ef\u4ee5\u5c06\u5929\u6570\u8f6c\u6362\u4e3a\u5e74\u6570\u6765\u5f97\u5230\u5e74\u9f84\uff1a<\/p>\n<\/p>\n
age_years = age_timedelta.days \/\/ 365<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u5904\u7406\u65e5\u671f\u683c\u5f0f<\/h3>\n<\/p>\n
\u7528\u6237\u8f93\u5165\u7684\u51fa\u751f\u65e5\u671f\u683c\u5f0f\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\uff0c\u6211\u4eec\u9700\u8981\u5904\u7406\u591a\u79cd\u65e5\u671f\u683c\u5f0f\u3002<\/p>\n<\/p>\n
3.1 \u5b9a\u4e49\u65e5\u671f\u683c\u5f0f<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u65e5\u671f\u683c\u5f0f\u5217\u8868\uff0c\u5e76\u5c1d\u8bd5\u89e3\u6790\u7528\u6237\u8f93\u5165\u7684\u65e5\u671f\uff1a<\/p>\n<\/p>\n
date_formats = ["%Y-%m-%d", "%d\/%m\/%Y", "%m-%d-%Y"]<\/p>\n
<\/code><\/pre>\n<\/p>\n
3.2 \u5c1d\u8bd5\u89e3\u6790\u65e5\u671f<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u5faa\u73af\u904d\u5386\u65e5\u671f\u683c\u5f0f\u5217\u8868\uff0c\u76f4\u5230\u6210\u529f\u89e3\u6790\u7528\u6237\u8f93\u5165\u7684\u65e5\u671f\uff1a<\/p>\n<\/p>\n
birth_date_str = "01\/01\/1990"<\/p>\n
for date_format in date_formats:<\/p>\n
    try:<\/p>\n
        birth_date = datetime.datetime.strptime(birth_date_str, date_format)<\/p>\n
        break<\/p>\n
    except ValueError:<\/p>\n
        continue<\/p>\n
else:<\/p>\n
    rAI<\/a>se ValueError("Invalid date format")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u5904\u7406\u5f02\u5e38\u60c5\u51b5<\/h3>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5904\u7406\u5404\u79cd\u53ef\u80fd\u7684\u5f02\u5e38\u60c5\u51b5\uff0c\u4f8b\u5982\u65e0\u6548\u65e5\u671f\u683c\u5f0f\u3001\u672a\u6765\u65e5\u671f\u7b49\u3002<\/p>\n<\/p>\n
4.1 \u68c0\u67e5\u672a\u6765\u65e5\u671f<\/h4>\n<\/p>\n
\u6211\u4eec\u5e94\u8be5\u786e\u4fdd\u7528\u6237\u8f93\u5165\u7684\u51fa\u751f\u65e5\u671f\u4e0d\u5728\u672a\u6765\uff1a<\/p>\n<\/p>\n
if birth_date > current_date:<\/p>\n
    raise ValueError("Birth date cannot be in the future")<\/p>\n
<\/code><\/pre>\n<\/p>\n
4.2 \u5904\u7406\u65e0\u6548\u65e5\u671f<\/h4>\n<\/p>\n
\u5982\u679c\u7528\u6237\u8f93\u5165\u7684\u65e5\u671f\u683c\u5f0f\u4e0d\u6b63\u786e\uff0c\u6211\u4eec\u5e94\u8be5\u63d0\u4f9b\u4e00\u4e2a\u53cb\u597d\u7684\u9519\u8bef\u6d88\u606f\uff1a<\/p>\n<\/p>\n
try:<\/p>\n
    birth_date = datetime.datetime.strptime(birth_date_str, date_format)<\/p>\n
except ValueError:<\/p>\n
    raise ValueError("Invalid date format. Please use one of the following formats: %Y-%m-%d, %d\/%m\/%Y, %m-%d-%Y")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u7efc\u5408\u793a\u4f8b<\/h3>\n<\/p>\n
\u5c06\u4e0a\u8ff0\u6b65\u9aa4\u7efc\u5408\u8d77\u6765\uff0c\u6211\u4eec\u53ef\u4ee5\u7f16\u5199\u4e00\u4e2a\u5b8c\u6574\u7684Python\u811a\u672c\u6765\u901a\u8fc7\u51fa\u751f\u65e5\u671f\u5224\u65ad\u5e74\u9f84\uff1a<\/p>\n<\/p>\n
import datetime<\/p>\n
def calculate_age(birth_date_str):<\/p>\n
    date_formats = ["%Y-%m-%d", "%d\/%m\/%Y", "%m-%d-%Y"]<\/p>\n
    for date_format in date_formats:<\/p>\n
        try:<\/p>\n
            birth_date = datetime.datetime.strptime(birth_date_str, date_format)<\/p>\n
            break<\/p>\n
        except ValueError:<\/p>\n
            continue<\/p>\n
    else:<\/p>\n
        raise ValueError("Invalid date format. Please use one of the following formats: %Y-%m-%d, %d\/%m\/%Y, %m-%d-%Y")<\/p>\n
    current_date = datetime.datetime.now()<\/p>\n
    if birth_date > current_date:<\/p>\n
        raise ValueError("Birth date cannot be in the future")<\/p>\n
    age_timedelta = current_date - birth_date<\/p>\n
    age_years = age_timedelta.days \/\/ 365<\/p>\n
    return age_years<\/p>\n
\u793a\u4f8b<\/strong><\/h2>\n
birth_date_str = "01\/01\/1990"<\/p>\n
age = calculate_age(birth_date_str)<\/p>\n
print(f"Age: {age} years")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u5728Python\u4e2d\u8f7b\u677e\u5730\u901a\u8fc7\u51fa\u751f\u65e5\u671f\u6765\u5224\u65ad\u5e74\u9f84\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u6d89\u53ca\u5230\u4f7f\u7528datetime\u6a21\u5757\u5904\u7406\u65e5\u671f\u548c\u65f6\u95f4\u5dee\u8ba1\u7b97\u3001\u5904\u7406\u591a\u79cd\u65e5\u671f\u683c\u5f0f\u3001\u4ee5\u53ca\u5904\u7406\u5f02\u5e38\u60c5\u51b5\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u4fdd\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u7075\u6d3b\u6027\uff0c\u80fd\u591f\u5e94\u5bf9\u5404\u79cd\u7528\u6237\u8f93\u5165\u548c\u4e0d\u540c\u7684\u65e5\u671f\u683c\u5f0f\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u83b7\u53d6\u5f53\u524d\u65e5\u671f\u4ee5\u8ba1\u7b97\u5e74\u9f84\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528datetime<\/code>\u6a21\u5757\u83b7\u53d6\u5f53\u524d\u65e5\u671f\u3002\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u83b7\u53d6\u5f53\u524d\u65e5\u671f\uff1a  <\/p>\n
from datetime import datetime\n\ncurrent_date = datetime.now()\nprint(current_date)\n<\/code><\/pre>\n
\u83b7\u53d6\u5f53\u524d\u65e5\u671f\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u4e0e\u51fa\u751f\u65e5\u671f\u8fdb\u884c\u6bd4\u8f83\uff0c\u4ee5\u8ba1\u7b97\u5e74\u9f84\u3002<\/p>\n
\u5982\u4f55\u5904\u7406\u4e0d\u540c\u683c\u5f0f\u7684\u51fa\u751f\u65e5\u671f\u8f93\u5165\uff1f<\/strong>
\u7528\u6237\u53ef\u80fd\u4f1a\u4ee5\u4e0d\u540c\u7684\u683c\u5f0f\u8f93\u5165\u51fa\u751f\u65e5\u671f\uff0c\u4f8b\u5982\u201cYYYY-MM-DD\u201d\u6216\u201cDD\/MM\/YYYY\u201d\u3002\u53ef\u4ee5\u4f7f\u7528strptime<\/code>\u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u65e5\u671f\u5bf9\u8c61\uff0c\u4ee5\u4fbf\u7edf\u4e00\u5904\u7406\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a  <\/p>\n
from datetime import datetime\n\nbirth_date_str = "1990-05-15"  # \u793a\u4f8b\u51fa\u751f\u65e5\u671f\nbirth_date = datetime.strptime(birth_date_str, "%Y-%m-%d")\n<\/code><\/pre>\n
\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u786e\u4fdd\u6240\u6709\u8f93\u5165\u7684\u51fa\u751f\u65e5\u671f\u90fd\u88ab\u6b63\u786e\u89e3\u6790\u3002<\/p>\n
\u5982\u4f55\u8ba1\u7b97\u5e74\u9f84\u5e76\u5904\u7406\u95f0\u5e74\u95ee\u9898\uff1f<\/strong>
\u5e74\u9f84\u7684\u8ba1\u7b97\u53ef\u4ee5\u901a\u8fc7\u5f53\u524d\u65e5\u671f\u51cf\u53bb\u51fa\u751f\u65e5\u671f\u5f97\u5230\u3002\u4e3a\u4e86\u8003\u8651\u95f0\u5e74\u548c\u5177\u4f53\u65e5\u671f\u7684\u5f71\u54cd\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a  <\/p>\n
def calculate_age(birth_date):\n    today = datetime.now()\n    age = today.year - birth_date.year\n    if today.month < birth_date.month or (today.month == birth_date.month and today.day < birth_date.day):\n        age -= 1\n    return age\n<\/code><\/pre>\n
\u8fd9\u6bb5\u4ee3\u7801\u786e\u4fdd\u4e86\u5728\u8ba1\u7b97\u5e74\u9f84\u65f6\uff0c\u51c6\u786e\u8003\u8651\u4e86\u51fa\u751f\u65e5\u671f\u662f\u5426\u5df2\u7ecf\u8fc7\u4e86\u5f53\u524d\u5e74\u4efd\u7684\u751f\u65e5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python \u5982\u4f55\u901a\u8fc7\u51fa\u751f\u65e5\u671f\u5224\u65ad\u5e74\u9f84 \u5728Python\u4e2d\uff0c\u901a\u8fc7\u8ba1\u7b97\u51fa\u751f\u65e5\u671f\u6765\u5224\u65ad\u4e00\u4e2a\u4eba\u7684\u5e74\u9f84\u662f\u4e00\u4e2a\u76f8\u5bf9\u7b80\u5355\u7684\u8fc7 […]","protected":false},"author":3,"featured_media":1135088,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1135073"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1135073"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1135073\/revisions"}],"predecessor-version":[{"id":1135089,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1135073\/revisions\/1135089"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1135088"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1135073"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1135073"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1135073"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}