{"id":2986,"date":"2025-06-01T16:19:39","date_gmt":"2025-06-04T09:13:38","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=2986"},"modified":"2025-06-04T16:19:39","modified_gmt":"2025-06-04T09:13:38","slug":"%e4%ba%86%e8%a7%a3python%e7%9a%84dir%e5%87%bd%e6%95%b8","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e4%ba%86%e8%a7%a3python%e7%9a%84dir%e5%87%bd%e6%95%b8\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u7684 dir() \u51fd\u6578\uff1a2025 \u6700\u65b0\u7528\u6cd5\u8207\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"

<\/p>\n

\u6df1\u5165\u4e86\u89e3 Python \u7684 dir() \u51fd\u6578<\/h1>\n

Python \u7684 `dir()` \u51fd\u6578\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u8b93\u958b\u767c\u8005\u80fd\u8f15\u9b06\u67e5\u770b\u7269\u4ef6\u7684\u5c6c\u6027\u548c\u65b9\u6cd5\u3002\u7121\u8ad6\u662f\u6a21\u7d44\u3001\u985e\u5225\u9084\u662f\u5be6\u4f8b\uff0c`dir()` \u90fd\u80fd\u63d0\u4f9b\u8c50\u5bcc\u7684\u4fe1\u606f\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u4ecb\u7d39 `dir()` \u51fd\u6578\u7684\u57fa\u672c\u7528\u6cd5\u53ca\u5176\u9ad8\u7d1a\u61c9\u7528\uff0c\u5e6b\u52a9\u4f60\u5728 Python \u958b\u767c\u4e2d\u66f4\u6709\u6548\u5730\u4f7f\u7528\u9019\u500b\u51fd\u6578\u3002<\/p>\n

dir() \u51fd\u6578\u7684\u57fa\u672c\u7528\u6cd5<\/h2>\n

`dir()` \u51fd\u6578\u7684\u57fa\u672c\u8a9e\u6cd5\u975e\u5e38\u7c21\u55ae\uff0c\u53ea\u9700\u5c07\u4f60\u60f3\u8981\u67e5\u770b\u7684\u7269\u4ef6\u4f5c\u70ba\u53c3\u6578\u50b3\u905e\u7d66\u5b83\u3002\u9019\u6a23\uff0c\u5b83\u5c07\u8fd4\u56de\u4e00\u500b\u5217\u8868\uff0c\u5217\u8868\u4e2d\u5305\u542b\u8a72\u7269\u4ef6\u7684\u6240\u6709\u5c6c\u6027\u548c\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u60f3\u67e5\u770b\u5b57\u4e32\u7269\u4ef6\u7684\u5c6c\u6027\u548c\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7a0b\u5f0f\u78bc\uff1a<\/p>\n

“`python
\nstr_obj = “Hello World”
\nprint(dir(str_obj))
\n“`<\/p>\n

\u57f7\u884c\u9019\u6bb5\u7a0b\u5f0f\u78bc\u5f8c\uff0c\u8f38\u51fa\u7d50\u679c\u5c07\u662f\u4e00\u500b\u5305\u542b\u5b57\u4e32\u7269\u4ef6\u6240\u6709\u5c6c\u6027\u548c\u65b9\u6cd5\u7684\u5217\u8868\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

“`plaintext
\n[‘__add__’, ‘__class__’, ‘__contains__’, ‘__delattr__’, ‘__dir__’, ‘__doc__’, ‘__eq__’, ‘__format__’, ‘__ge__’, ‘__getattribute__’, ‘__getitem__’, ‘__getnewargs__’, ‘__gt__’, ‘__hash__’, ‘__init__’, ‘__init_subclass__’, ‘__iter__’, ‘__le__’, ‘__len__’, ‘__lt__’, ‘__mod__’, ‘__mul__’, ‘__ne__’, ‘__new__’, ‘__reduce__’, ‘__reduce_ex__’, ‘__repr__’, ‘__rmod__’, ‘__rmul__’, ‘__setattr__’, ‘__sizeof__’, ‘__str__’, ‘__subclasshook__’, ‘capitalize’, ‘casefold’, ‘center’, ‘count’, ‘encode’, ‘endswith’, ‘expandtabs’, ‘find’, ‘format’, ‘format_map’, ‘index’, ‘isalnum’, ‘isalpha’, ‘isdecimal’, ‘isdigit’, ‘isidentifier’, ‘islower’, ‘isnumeric’, ‘isprintable’, ‘isspace’, ‘istitle’, ‘isupper’, ‘join’, ‘ljust’, ‘lower’, ‘lstrip’, ‘maketrans’, ‘partition’, ‘replace’, ‘rfind’, ‘rindex’, ‘rjust’, ‘rpartition’, ‘rsplit’, ‘rstrip’, ‘split’, ‘splitlines’, ‘startswith’, ‘strip’, ‘swapcase’, ‘title’, ‘translate’, ‘upper’, ‘zfill’]\n“`<\/p>\n

dir() \u51fd\u6578\u7684\u9ad8\u7d1a\u7528\u6cd5<\/h2>\n

\u9664\u4e86\u57fa\u672c\u7528\u6cd5\u5916\uff0c`dir()` \u51fd\u6578\u9084\u53ef\u4ee5\u63a5\u53d7\u4e00\u500b\u53ef\u9078\u7684\u53c3\u6578\uff0c\u7528\u4f86\u6307\u5b9a\u8981\u67e5\u770b\u7684\u5c6c\u6027\u548c\u65b9\u6cd5\u7684\u985e\u578b\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u53ea\u60f3\u67e5\u770b\u5b57\u4e32\u7269\u4ef6\u7684\u6240\u6709\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7a0b\u5f0f\u78bc\uff1a<\/p>\n

“`python
\nstr_obj = “Hello World”
\nprint(dir(str_obj))
\n“`<\/p>\n

\u6ce8\u610f\uff0c`dir()` \u51fd\u6578\u4e0d\u652f\u6301\u904e\u6ffe\u5c6c\u6027\u985e\u578b\uff08\u5982 “method”\uff09\uff0c\u5b83\u53ea\u6703\u8fd4\u56de\u5c6c\u6027\u548c\u65b9\u6cd5\u7684\u5217\u8868\u3002\u8981\u67e5\u770b\u7279\u5b9a\u7684\u65b9\u6cd5\uff0c\u901a\u5e38\u9700\u8981\u624b\u52d5\u7be9\u9078\u8a72\u5217\u8868\u3002<\/p>\n

\u932f\u8aa4\u6392\u9664<\/h2>\n

\u5728\u4f7f\u7528 `dir()` \u51fd\u6578\u6642\uff0c\u5e38\u898b\u7684\u932f\u8aa4\u5305\u62ec\uff1a
\n– **\u50b3\u905e\u932f\u8aa4\u7684\u53c3\u6578\u985e\u578b**\uff1a\u78ba\u4fdd\u50b3\u905e\u7684\u53c3\u6578\u662f\u6709\u6548\u7684\u7269\u4ef6\uff08\u5982\u5b57\u4e32\u3001\u5217\u8868\u7b49\uff09\u3002
\n– **\u672a\u6b63\u78ba\u7406\u89e3\u8f38\u51fa\u7d50\u679c**\uff1a\u5982\u679c\u5c0d\u8f38\u51fa\u7684\u5c6c\u6027\u548c\u65b9\u6cd5\u4e0d\u719f\u6089\uff0c\u53ef\u4ee5\u67e5\u95b1\u5b98\u65b9\u6587\u6a94\u6216\u4f7f\u7528 Python \u7684\u5e6b\u52a9\u529f\u80fd\uff08`help(object)`\uff09\u4f86\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n

\u5ef6\u4f38\u61c9\u7528<\/h2>\n

`dir()` \u51fd\u6578\u5728\u8abf\u8a66\u548c\u958b\u767c\u904e\u7a0b\u4e2d\u975e\u5e38\u6709\u7528\uff0c\u5c24\u5176\u662f\u5728\u63a2\u7d22\u672a\u77e5\u7269\u4ef6\u6642\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5be6\u969b\u61c9\u7528\uff1a
\n1. **\u63a2\u7d22\u5eab\u529f\u80fd**\uff1a\u5728\u4f7f\u7528\u7b2c\u4e09\u65b9\u5eab\u6642\uff0c\u53ef\u4ee5\u5feb\u901f\u67e5\u770b\u53ef\u7528\u7684\u65b9\u6cd5\u548c\u5c6c\u6027\u3002
\n2. **\u52d5\u614b\u7de8\u7a0b**\uff1a\u5728\u9700\u8981\u6839\u64da\u7269\u4ef6\u7684\u7279\u6027\u9032\u884c\u52d5\u614b\u64cd\u4f5c\u6642\uff0c`dir()` \u63d0\u4f9b\u4e86\u5fc5\u8981\u7684\u4fe1\u606f\u3002
\n3. **\u5b78\u7fd2\u5de5\u5177**\uff1a\u5c0d\u65bc\u521d\u5b78\u8005\u4f86\u8aaa\uff0c`dir()` \u662f\u5b78\u7fd2 Python \u5167\u5efa\u7269\u4ef6\u548c\u81ea\u5b9a\u7fa9\u985e\u5225\u7684\u4e00\u500b\u597d\u5de5\u5177\u3002<\/p>\n

\u5982\u9700\u4e86\u89e3\u66f4\u591a Python \u7684\u76f8\u95dc\u5167\u5bb9\uff0c\u8acb\u53c3\u8003\u9019\u7bc7\u6587\u7ae0 [Python \u6559\u5b78](https:\/\/vocus.cc\/)\uff0c\u9019\u662f\u975e\u5e38\u6709\u5e6b\u52a9\u7684\u8cc7\u6e90\u3002<\/p>\n

\u7d50\u8ad6<\/h2>\n

`dir()` \u51fd\u6578\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u67e5\u770b\u7269\u4ef6\u7684\u5c6c\u6027\u548c\u65b9\u6cd5\u3002\u9019\u7bc7\u6587\u7ae0\u4ecb\u7d39\u4e86 `dir()` \u7684\u57fa\u672c\u7528\u6cd5\u548c\u4e00\u4e9b\u9ad8\u7d1a\u61c9\u7528\uff0c\u5e0c\u671b\u80fd\u5e6b\u52a9\u4f60\u66f4\u6709\u6548\u5730\u4f7f\u7528 Python\u3002<\/p>\n

Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n

**Q1\uff1a`dir()` \u51fd\u6578\u80fd\u5920\u904e\u6ffe\u7279\u5b9a\u985e\u578b\u7684\u5c6c\u6027\u55ce\uff1f**
\nA1\uff1a\u4e0d\u53ef\u4ee5\uff0c`dir()` \u51fd\u6578\u6703\u8fd4\u56de\u6240\u6709\u5c6c\u6027\u548c\u65b9\u6cd5\u7684\u5217\u8868\uff0c\u7121\u6cd5\u76f4\u63a5\u904e\u6ffe\u7279\u5b9a\u985e\u578b\u3002<\/p>\n

**Q2\uff1a\u5982\u4f55\u67e5\u770b\u4e00\u500b\u81ea\u5b9a\u7fa9\u985e\u5225\u7684\u5c6c\u6027\u548c\u65b9\u6cd5\uff1f**
\nA2\uff1a\u4f60\u53ef\u4ee5\u4f7f\u7528 `dir()` \u51fd\u6578\uff0c\u50b3\u905e\u81ea\u5b9a\u7fa9\u985e\u5225\u7684\u5be6\u4f8b\u4f5c\u70ba\u53c3\u6578\u4f86\u67e5\u770b\u5176\u6240\u6709\u5c6c\u6027\u548c\u65b9\u6cd5\u3002<\/p>\n

**Q3\uff1a`dir()` \u51fd\u6578\u6709\u4ec0\u9ebc\u66ff\u4ee3\u65b9\u6848\u55ce\uff1f**
\nA3\uff1a\u9664\u4e86 `dir()`\uff0c\u4f60\u9084\u53ef\u4ee5\u4f7f\u7528 `help()` \u51fd\u6578\u4f86\u7372\u53d6\u66f4\u8a73\u7d30\u7684\u6587\u6a94\u548c\u8aaa\u660e\uff0c\u9019\u5c0d\u65bc\u7406\u89e3\u7269\u4ef6\u7684\u7528\u6cd5\u975e\u5e38\u6709\u5e6b\u52a9\u3002<\/p>\n

—<\/p>\n

\u9019\u6a23\u7684\u512a\u5316\u4e0d\u50c5\u63d0\u9ad8\u4e86\u5167\u5bb9\u7684\u8cea\u91cf\uff0c\u4e5f\u589e\u5f37\u4e86 SEO \u6548\u679c\uff0c\u8b93\u8b80\u8005\u66f4\u5bb9\u6613\u627e\u5230\u76f8\u95dc\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

dir()\u51fd\u6578\u662fPython\u4e2d\u7684\u4e00\u500b\u91cd\u8981\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u7528\u4f86\u67e5\u770b\u7269\u4ef6\u7684\u5c6c\u6027\u548c\u65b9\u6cd5\uff0c\u672c\u6587\u5c07\u4ecb\u7d39dir()\u51fd\u6578\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u4ee5\u53ca\u5982\u4f55\u5229\u7528\u5b83\u4f86\u66f4\u597d\u5730\u7ba1\u7406Python\u7a0b\u5f0f\u78bc\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-2986","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-Ma","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2986","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=2986"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2986\/revisions"}],"predecessor-version":[{"id":2987,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2986\/revisions\/2987"}],"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=2986"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=2986"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=2986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}