{"id":3328,"date":"2025-06-01T15:45:40","date_gmt":"2025-06-04T08:12:39","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3328"},"modified":"2025-06-04T15:45:40","modified_gmt":"2025-06-04T08:12:39","slug":"%e4%ba%86%e8%a7%a3python%e7%9a%84dir%e5%87%bd%e6%95%b8-5","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e4%ba%86%e8%a7%a3python%e7%9a%84dir%e5%87%bd%e6%95%b8-5\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u7684 `dir()` \u51fd\u6578\uff1a2025 \u6700\u65b0\u6559\u5b78\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\u5be6\u7528\u7684\u5167\u5efa\u51fd\u6578\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u67e5\u770b\u7269\u4ef6\u7684\u5c6c\u6027\u548c\u65b9\u6cd5\uff0c\u53ca\u6a21\u7d44\u4e2d\u5b9a\u7fa9\u7684\u540d\u7a31\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 `dir()` \u51fd\u6578\uff0c\u63d0\u4f9b\u5b8c\u6574\u7684\u6559\u5b78\u6d41\u7a0b\u3001\u5be6\u4f5c\u7bc4\u4f8b\uff0c\u4ee5\u53ca\u5e38\u898b\u932f\u8aa4\u6392\u9664\u548c\u5ef6\u4f38\u61c9\u7528\u3002\u672c\u6587\u5167\u5bb9\u5df2\u66f4\u65b0\u81f3 **2025 \u6700\u65b0\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10**\u3002<\/p>\n

\u4ec0\u9ebc\u662f `dir()` \u51fd\u6578\uff1f<\/h2>\n

`dir()` \u51fd\u6578\u662f Python \u4e2d\u7684\u4e00\u500b\u5167\u5efa\u51fd\u6578\uff0c\u4e3b\u8981\u7528\u9014\u662f\u8fd4\u56de\u4e00\u500b\u5217\u8868\uff0c\u8a72\u5217\u8868\u5305\u542b\u7269\u4ef6\u7684\u5c6c\u6027\u548c\u65b9\u6cd5\u7684\u540d\u7a31\uff0c\u9084\u53ef\u4ee5\u7528\u65bc\u67e5\u770b\u6a21\u7d44\u4e2d\u7684\u6240\u6709\u540d\u7a31\u3002\u9019\u8b93\u958b\u767c\u8005\u80fd\u5feb\u901f\u638c\u63e1\u7269\u4ef6\u7684\u529f\u80fd\uff0c\u9032\u800c\u52a0\u5feb\u958b\u767c\u901f\u5ea6\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528 `dir()` \u51fd\u6578\uff1f<\/h2>\n

\u4f7f\u7528 `dir()` \u51fd\u6578\u975e\u5e38\u7c21\u55ae\uff0c\u60a8\u53ea\u9700\u5728\u7d42\u7aef\u6a5f\u4e2d\u8f38\u5165 `dir()` \u51fd\u6578\uff0c\u4e26\u50b3\u5165\u60f3\u8981\u67e5\u770b\u7684\u7269\u4ef6\u6216\u6a21\u7d44\uff0c\u5373\u53ef\u7372\u5f97\u8a72\u7269\u4ef6\u6216\u6a21\u7d44\u7684\u5c6c\u6027\u548c\u65b9\u6cd5\u5217\u8868\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u57fa\u672c\u7684\u7bc4\u4f8b\uff1a<\/p>\n

“`python
\n# \u67e5\u770b\u5b57\u4e32\u7269\u4ef6\u7684\u5c6c\u6027\u548c\u65b9\u6cd5
\nprint(dir(str))<\/p>\n

# \u67e5\u770b math \u6a21\u7d44\u7684\u5c6c\u6027\u548c\u65b9\u6cd5
\nimport math
\nprint(dir(math))
\n“`<\/p>\n

\u9019\u6bb5\u4ee3\u78bc\u6703\u5217\u51fa `str` \u985e\u5225\u53ca `math` \u6a21\u7d44\u7684\u6240\u6709\u53ef\u7528\u5c6c\u6027\u548c\u65b9\u6cd5\uff0c\u5e6b\u52a9\u60a8\u4e86\u89e3\u9019\u4e9b\u7269\u4ef6\u7684\u529f\u80fd\u3002<\/p>\n

`dir()` \u51fd\u6578\u7684\u512a\u9ede<\/h2>\n

\u4f7f\u7528 `dir()` \u51fd\u6578\u7684\u4e3b\u8981\u512a\u9ede\u5305\u62ec\uff1a<\/p>\n

– **\u5feb\u901f\u6aa2\u8996**\uff1a\u80fd\u5920\u5feb\u901f\u6aa2\u8996\u7269\u4ef6\u7684\u5c6c\u6027\u548c\u65b9\u6cd5\uff0c\u7bc0\u7701\u67e5\u95b1\u6587\u6a94\u7684\u6642\u9593\u3002
\n– **\u4e86\u89e3\u6a21\u7d44**\uff1a\u5e6b\u52a9\u958b\u767c\u8005\u4e86\u89e3\u6a21\u7d44\u4e2d\u7684\u51fd\u6578\u548c\u8b8a\u6578\uff0c\u4fbf\u65bc\u9078\u64c7\u5408\u9069\u7684\u5de5\u5177\u3002
\n– **\u5b78\u7fd2\u8207\u63a2\u7d22**\uff1a\u5c0d\u65bc\u65b0\u624b\u4f86\u8aaa\uff0c`dir()` \u51fd\u6578\u662f\u63a2\u7d22 Python \u5eab\u548c\u6a21\u7d44\u7684\u4e00\u500b\u826f\u597d\u8d77\u9ede\u3002<\/p>\n

\u5e38\u898b\u932f\u8aa4\u6392\u9664<\/h2>\n

\u5728\u4f7f\u7528 `dir()` \u51fd\u6578\u6642\uff0c\u60a8\u53ef\u80fd\u6703\u9047\u5230\u4ee5\u4e0b\u554f\u984c\uff1a<\/p>\n

1. **\u672a\u5c0e\u5165\u6a21\u7d44**\uff1a\u5982\u679c\u67e5\u770b\u67d0\u500b\u6a21\u7d44\u7684\u5c6c\u6027\u548c\u65b9\u6cd5\uff0c\u52d9\u5fc5\u5148\u4f7f\u7528 `import` \u5c07\u5176\u5c0e\u5165\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 `dir(math)` \u524d\u9700\u57f7\u884c `import math`\u3002
\n2. **\u7269\u4ef6\u985e\u578b\u932f\u8aa4**\uff1a\u78ba\u4fdd\u50b3\u905e\u7d66 `dir()` \u7684\u662f\u6b63\u78ba\u7684\u7269\u4ef6\u985e\u578b\uff0c\u5426\u5247\u53ef\u80fd\u6703\u5f97\u5230\u4e0d\u6b63\u78ba\u7684\u6216\u7a7a\u7684\u7d50\u679c\u3002<\/p>\n

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

\u9664\u4e86\u57fa\u672c\u7528\u6cd5\u4e4b\u5916\uff0c\u60a8\u9084\u53ef\u4ee5\u5c07 `dir()` \u8207\u5176\u4ed6\u5167\u5efa\u51fd\u6578\u7d50\u5408\u4f7f\u7528\uff0c\u4f8b\u5982 `help()` \u51fd\u6578\uff0c\u4f86\u7372\u53d6\u66f4\u8a73\u7d30\u7684\u8aaa\u660e\u3002\u4f8b\u5982\uff1a<\/p>\n

“`python
\n# \u7372\u53d6 str \u985e\u5225\u7684\u8a73\u7d30\u5e6b\u52a9
\nhelp(str)
\n“`<\/p>\n

\u9019\u6a23\u53ef\u4ee5\u66f4\u6df1\u5165\u4e86\u89e3\u5b57\u4e32\u7684\u5404\u7a2e\u65b9\u6cd5\u548c\u5c6c\u6027\u3002<\/p>\n

\u7e3d\u7d50<\/h2>\n

Python \u7684 `dir()` \u51fd\u6578\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u5b83\u4e0d\u50c5\u80fd\u5feb\u901f\u67e5\u770b\u7269\u4ef6\u7684\u5c6c\u6027\u548c\u65b9\u6cd5\uff0c\u4e5f\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u5feb\u5730\u4e86\u89e3\u6a21\u7d44\u7684\u529f\u80fd\u3002\u7121\u8ad6\u60a8\u662f\u65b0\u624b\u9084\u662f\u6709\u7d93\u9a57\u7684\u958b\u767c\u8005\uff0c`dir()` \u51fd\u6578\u90fd\u61c9\u8a72\u662f\u60a8\u958b\u767c\u6d41\u7a0b\u4e2d\u7684\u4e00\u90e8\u5206\u3002<\/p>\n

\u5982\u9700\u9032\u4e00\u6b65\u5b78\u7fd2 Python \u7684\u5176\u4ed6\u529f\u80fd\uff0c\u5efa\u8b70\u53c3\u8003 [\u9019\u88e1\u7684 Python \u6559\u5b78\u8cc7\u6e90](https:\/\/vocus.cc) \u4ee5\u64f4\u5c55\u60a8\u7684\u77e5\u8b58\u3002<\/p>\n

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

**Q1: `dir()` \u51fd\u6578\u6703\u8fd4\u56de\u54ea\u4e9b\u5167\u5bb9\uff1f**
\nA1: `dir()` \u51fd\u6578\u6703\u8fd4\u56de\u4e00\u500b\u5217\u8868\uff0c\u5305\u542b\u7269\u4ef6\u7684\u6240\u6709\u5c6c\u6027\u548c\u65b9\u6cd5\u540d\u7a31\uff0c\u9019\u4e9b\u540d\u7a31\u53ef\u4ee5\u7528\u4f86\u9032\u4e00\u6b65\u63a2\u7d22\u7269\u4ef6\u7684\u529f\u80fd\u3002<\/p>\n

**Q2: \u6211\u53ef\u4ee5\u7528 `dir()` \u51fd\u6578\u4f86\u67e5\u770b\u6a21\u7d44\u7684\u54ea\u4e9b\u8cc7\u8a0a\uff1f**
\nA2: \u60a8\u53ef\u4ee5\u67e5\u770b\u6a21\u7d44\u4e2d\u7684\u6240\u6709\u51fd\u6578\u3001\u985e\u5225\u3001\u8b8a\u6578\u7b49\u540d\u7a31\uff0c\u9019\u5c0d\u65bc\u4e86\u89e3\u6a21\u7d44\u7684\u529f\u80fd\u975e\u5e38\u6709\u5e6b\u52a9\u3002<\/p>\n

**Q3: \u4f7f\u7528 `dir()` \u51fd\u6578\u6642\uff0c\u662f\u5426\u9700\u8981\u5c0e\u5165\u6a21\u7d44\uff1f**
\nA3: \u662f\u7684\uff0c\u5728\u4f7f\u7528 `dir()` \u51fd\u6578\u67e5\u770b\u67d0\u500b\u6a21\u7d44\u7684\u5c6c\u6027\u548c\u65b9\u6cd5\u4e4b\u524d\uff0c\u5fc5\u9808\u5148\u9032\u884c\u6a21\u7d44\u7684\u5c0e\u5165\u3002<\/p>\n

—<\/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-3328","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-RG","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3328","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=3328"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3328\/revisions"}],"predecessor-version":[{"id":3329,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3328\/revisions\/3329"}],"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=3328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3328"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}