{"id":3542,"date":"2025-05-28T14:47:58","date_gmt":"2025-06-04T07:20:57","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3542"},"modified":"2025-06-04T14:47:58","modified_gmt":"2025-06-04T07:20:57","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84typing%e5%87%bd%e6%95%b8%ef%bc%9a%e6%8f%90%e5%8d%87%e7%a8%8b%e5%bc%8f%e7%a2%bc%e5%93%81%e8%b3%aa%e8%88%87%e5%8f%af%e8%ae%80%e6%80%a7","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84typing%e5%87%bd%e6%95%b8%ef%bc%9a%e6%8f%90%e5%8d%87%e7%a8%8b%e5%bc%8f%e7%a2%bc%e5%93%81%e8%b3%aa%e8%88%87%e5%8f%af%e8%ae%80%e6%80%a7\/","title":{"rendered":"\u63d0\u5347\u7a0b\u5f0f\u78bc\u54c1\u8cea\u8207\u53ef\u8b80\u6027\uff1a\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 typing \u6a21\u7d44\uff082025 \u6700\u65b0\u6559\u5b78\uff09"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, typing, typing\u6a21\u7d44, \u7a0b\u5f0f\u78bc\u54c1\u8cea, \u985e\u578b\u63d0\u793a\"><\/p>\n<h1>Python \u7684 typing \u6a21\u7d44\uff1a\u63d0\u5347\u7a0b\u5f0f\u78bc\u54c1\u8cea\u8207\u53ef\u8b80\u6027<\/h1>\n<p>Python \u7684 `typing` \u6a21\u7d44\u662f Python 3.5 \u7248\u672c\u5f15\u5165\u7684\u4e00\u500b\u5f37\u5927\u5de5\u5177\uff0c\u65e8\u5728\u63d0\u4f9b\u985e\u578b\u63d0\u793a\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u5728\u7de8\u5beb\u7a0b\u5f0f\u78bc\u6642\u6e05\u695a\u5730\u6307\u5b9a\u8b8a\u6578\u7684\u985e\u578b\uff0c\u4ee5\u53ca\u51fd\u5f0f\u7684\u53c3\u6578\u548c\u56de\u50b3\u503c\u7684\u985e\u578b\u3002\u9019\u4e0d\u50c5\u4f7f\u7a0b\u5f0f\u78bc\u66f4\u52a0\u6e05\u6670\uff0c\u4e5f\u662f\u6e1b\u5c11\u932f\u8aa4\u7684\u4e00\u7a2e\u6709\u6548\u65b9\u5f0f\u3002<\/p>\n<p>### \u4ec0\u9ebc\u662f typing \u6a21\u7d44\uff1f<\/p>\n<p>`typing` \u6a21\u7d44\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u985e\u578b\u63d0\u793a\uff0c\u53ef\u4ee5\u7528\u65bc\u660e\u78ba\u6307\u5b9a\u8b8a\u6578\u7684\u985e\u578b\uff0c\u4ee5\u53ca\u51fd\u5f0f\u7684\u53c3\u6578\u548c\u56de\u50b3\u503c\u7684\u985e\u578b\u3002\u9019\u4f7f\u5f97\u7a0b\u5f0f\u78bc\u5728\u5927\u578b\u5c08\u6848\u4e2d\u66f4\u5177\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n<p>### \u57fa\u672c\u7528\u6cd5<\/p>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528 `typing` \u6a21\u7d44\u7684\u57fa\u672c\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 `List` \u4f86\u6307\u5b9a\u4e00\u500b\u8b8a\u6578\u662f\u4e00\u500b\u5217\u8868\uff1a<\/p>\n<p>&#8220;`python<br \/>\nfrom typing import List<\/p>\n<p>my_list: List[int] = [1, 2, 3]\n&#8220;`<\/p>\n<p>\u5728\u9019\u6bb5\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 `List[int]` \u4f86\u8868\u660e `my_list` \u662f\u4e00\u500b\u6574\u6578\u5217\u8868\uff0c\u9019\u6a23\u7684\u985e\u578b\u63d0\u793a\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6e05\u695a\u5730\u7406\u89e3\u8b8a\u6578\u7684\u7528\u9014\u3002<\/p>\n<p>### \u51fd\u5f0f\u7684\u985e\u578b\u63d0\u793a<\/p>\n<p>\u9664\u4e86\u8b8a\u6578\uff0c`typing` \u6a21\u7d44\u540c\u6a23\u9069\u7528\u65bc\u51fd\u5f0f\u7684\u53c3\u6578\u548c\u56de\u50b3\u503c\u7684\u985e\u578b\u63d0\u793a\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u7bc4\uff1a<\/p>\n<p>&#8220;`python<br \/>\nfrom typing import List<\/p>\n<p>def add_numbers(numbers: List[int]) -> int:<br \/>\n    result = 0<br \/>\n    for num in numbers:<br \/>\n        result += num<br \/>\n    return result<br \/>\n&#8220;`<\/p>\n<p>\u9019\u6bb5\u7a0b\u5f0f\u78bc\u4e2d\uff0c`add_numbers` \u51fd\u5f0f\u7684\u53c3\u6578 `numbers` \u88ab\u6307\u5b9a\u70ba\u6574\u6578\u5217\u8868\uff0c\u4e26\u4e14\u51fd\u5f0f\u56de\u50b3\u4e00\u500b\u6574\u6578\u3002\u9019\u6a23\u7684\u63d0\u793a\u4f7f\u5f97\u51fd\u5f0f\u7684\u4f7f\u7528\u66f4\u52a0\u660e\u78ba\uff0c\u964d\u4f4e\u4e86\u8aa4\u7528\u7684\u98a8\u96aa\u3002<\/p>\n<p>### \u932f\u8aa4\u6392\u9664<\/p>\n<p>\u5728\u4f7f\u7528 `typing` \u6a21\u7d44\u6642\uff0c\u60a8\u53ef\u80fd\u6703\u9047\u5230\u4ee5\u4e0b\u5e38\u898b\u932f\u8aa4\uff1a<br \/>\n&#8211; **\u985e\u578b\u4e0d\u5339\u914d**\uff1a\u78ba\u4fdd\u50b3\u905e\u7d66\u51fd\u5f0f\u7684\u53c3\u6578\u8207\u5b9a\u7fa9\u7684\u985e\u578b\u4e00\u81f4\u3002<br \/>\n&#8211; **\u907a\u6f0f\u7684\u985e\u578b\u63d0\u793a**\uff1a\u5728\u5927\u578b\u5c08\u6848\u4e2d\uff0c\u5efa\u8b70\u70ba\u6240\u6709\u51fd\u5f0f\u548c\u8b8a\u6578\u6dfb\u52a0\u985e\u578b\u63d0\u793a\uff0c\u4ee5\u4fdd\u6301\u4e00\u81f4\u6027\u3002<\/p>\n<p>### \u5ef6\u4f38\u61c9\u7528<\/p>\n<p>`typing` \u6a21\u7d44\u4e0d\u50c5\u9650\u65bc\u57fa\u672c\u6578\u64da\u985e\u578b\uff0c\u9084\u652f\u6301\u66f4\u8907\u96dc\u7684\u7d50\u69cb\uff0c\u5982\u5b57\u5178\uff08`Dict`\uff09\u3001\u5143\u7d44\uff08`Tuple`\uff09\u7b49\u3002\u9019\u4f7f\u5f97\u60a8\u53ef\u4ee5\u5728\u66f4\u8907\u96dc\u7684\u60c5\u6cc1\u4e0b\u4f7f\u7528\u985e\u578b\u63d0\u793a\u3002\u4f8b\u5982\uff1a<\/p>\n<p>&#8220;`python<br \/>\nfrom typing import Dict, Tuple<\/p>\n<p>def get_user_info() -> Dict[str, Tuple[int, str]]:<br \/>\n    return {&#8220;user_id&#8221;: (1, &#8220;Alice&#8221;), &#8220;user_id_2&#8221;: (2, &#8220;Bob&#8221;)}<br \/>\n&#8220;`<\/p>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 `Dict` \u548c `Tuple` \u4f86\u8868\u660e\u51fd\u5f0f\u7684\u8fd4\u56de\u985e\u578b\uff0c\u9019\u6a23\u505a\u53ef\u4ee5\u66f4\u597d\u5730\u63cf\u8ff0\u8fd4\u56de\u503c\u7684\u7d50\u69cb\u3002<\/p>\n<p>### \u7d50\u8ad6<\/p>\n<p>\u4f7f\u7528 `typing` \u6a21\u7d44\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8 Python \u7a0b\u5f0f\u78bc\u7684\u53ef\u8b80\u6027\u548c\u54c1\u8cea\u3002\u96a8\u8457\u958b\u767c\u8005\u793e\u7fa4\u5c0d\u985e\u578b\u63d0\u793a\u7684\u63a5\u53d7\u5ea6\u9010\u6f38\u63d0\u9ad8\uff0c\u5efa\u8b70\u5728\u65e5\u5e38\u7de8\u7a0b\u4e2d\u7a4d\u6975\u63a1\u7528\u6b64\u6a21\u7d44\u4f86\u964d\u4f4e\u932f\u8aa4\u7387\u4e26\u63d0\u9ad8\u7a0b\u5f0f\u78bc\u7684\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n<p>\u82e5\u60f3\u4e86\u89e3\u66f4\u591a Python \u7684\u76f8\u95dc\u6280\u5de7\uff0c\u8acb\u53c3\u8003[\u9019\u7bc7\u6559\u5b78\u6587\u7ae0](https:\/\/vocus.cc\/article\/your-article-url)\uff0c\u9032\u4e00\u6b65\u63d0\u5347\u60a8\u7684\u7a0b\u5f0f\u8a2d\u8a08\u80fd\u529b\u3002<\/p>\n<p>### Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/p>\n<p>**Q1: typing \u6a21\u7d44\u662f\u5f9e\u54ea\u500b\u7248\u672c\u958b\u59cb\u5f15\u5165\u7684\uff1f**<br \/>\nA1: `typing` \u6a21\u7d44\u662f\u5728 Python 3.5 \u7248\u672c\u4e2d\u5f15\u5165\u7684\u3002<\/p>\n<p>**Q2: \u4f7f\u7528 typing \u6a21\u7d44\u6703\u5f71\u97ff\u7a0b\u5f0f\u7684\u57f7\u884c\u901f\u5ea6\u55ce\uff1f**<br \/>\nA2: \u4e0d\u6703\uff0c`typing` \u6a21\u7d44\u4e3b\u8981\u7528\u65bc\u975c\u614b\u985e\u578b\u6aa2\u67e5\uff0c\u4e0d\u6703\u5f71\u97ff\u57f7\u884c\u6642\u7684\u6027\u80fd\u3002<\/p>\n<p>**Q3: \u5982\u679c\u6211\u4e0d\u4f7f\u7528 typing \u6a21\u7d44\uff0c\u6703\u6709\u4ec0\u9ebc\u5f71\u97ff\uff1f**<br \/>\nA3: \u96d6\u7136\u4e0d\u4f7f\u7528 `typing` \u6a21\u7d44\u4e0d\u6703\u5f71\u97ff\u7a0b\u5f0f\u7684\u904b\u884c\uff0c\u4f46\u7a0b\u5f0f\u78bc\u7684\u53ef\u8b80\u6027\u548c\u7dad\u8b77\u6027\u53ef\u80fd\u6703\u964d\u4f4e\uff0c\u7279\u5225\u662f\u5728\u5927\u578b\u5c08\u6848\u4e2d\u3002<\/p>\n<p>&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Python\u4e2d\u7684typing()\u51fd\u6578\uff0c\u53ef\u4ee5\u63d0\u5347\u7a0b\u5f0f\u78bc\u7684\u54c1\u8cea\u8207\u53ef\u8b80\u6027\uff0c\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u95b1\u8b80\u8207\u7dad\u8b77\u7a0b\u5f0f\u78bc\uff0c\u66f4\u6709\u6548\u7387\u7684\u5b8c\u6210\u958b\u767c\u4efb\u52d9\u3002<\/p>\n","protected":false},"author":1,"featured_media":2518,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[18],"tags":[15],"class_list":["post-3542","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-python"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2022\/12\/DALL\u00b7E-2022-12-28-14.25.55-\u62f7\u8c9d2.png","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-V8","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3542","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=3542"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3542\/revisions"}],"predecessor-version":[{"id":3543,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3542\/revisions\/3543"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/2518"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=3542"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3542"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3542"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}