{"id":3498,"date":"2025-05-28T14:59:03","date_gmt":"2025-06-04T07:32:02","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3498"},"modified":"2025-06-04T14:59:03","modified_gmt":"2025-06-04T07:32:02","slug":"%e5%ad%b8%e7%bf%92python%e4%b8%ad%e7%9a%84name%e5%87%bd%e6%95%b8%ef%bc%9a%e6%b7%b1%e5%85%a5%e4%ba%86%e8%a7%a3%e5%ae%83%e7%9a%84%e5%8a%9f%e8%83%bd%e8%88%87%e6%87%89%e7%94%a8","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e5%ad%b8%e7%bf%92python%e4%b8%ad%e7%9a%84name%e5%87%bd%e6%95%b8%ef%bc%9a%e6%b7%b1%e5%85%a5%e4%ba%86%e8%a7%a3%e5%ae%83%e7%9a%84%e5%8a%9f%e8%83%bd%e8%88%87%e6%87%89%e7%94%a8\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 `__name__` \u5c6c\u6027\uff1a\u529f\u80fd\u3001\u61c9\u7528\u8207\u5be6\u4f5c\u7bc4\u4f8b"},"content":{"rendered":"

<\/p>\n

Python \u4e2d\u7684 `__name__` \u5c6c\u6027<\/h2>\n

\u5728 Python \u4e2d\uff0c`__name__` \u5c6c\u6027\u662f\u6bcf\u500b\u7269\u4ef6\u7684\u5167\u5efa\u5c6c\u6027\u4e4b\u4e00\uff0c\u80fd\u5920\u7528\u4f86\u7372\u53d6\u51fd\u6578\u3001\u6a21\u7d44\u3001\u985e\u5225\u7b49\u7269\u4ef6\u7684\u540d\u7a31\u3002\u9019\u500b\u5c6c\u6027\u5728\u8a31\u591a\u60c5\u5883\u4e0b\u975e\u5e38\u6709\u7528\uff0c\u7279\u5225\u662f\u5728\u8abf\u8a66\u548c\u4e86\u89e3\u4ee3\u78bc\u7d50\u69cb\u6642\u3002<\/p>\n

<\/p>\n

### `__name__` \u5c6c\u6027\u7684\u8a9e\u6cd5<\/p>\n

`__name__` \u5c6c\u6027\u6c92\u6709\u7279\u5b9a\u7684\u51fd\u6578\u8a9e\u6cd5\uff0c\u5b83\u662f\u76f4\u63a5\u5c6c\u65bc Python \u7269\u4ef6\u7684\u5c6c\u6027\uff0c\u4f7f\u7528\u65b9\u5f0f\u5982\u4e0b\uff1a<\/p>\n

“`python
\nobject.__name__
\n“`<\/p>\n

\u5176\u4e2d\uff0c`object` \u662f\u4f60\u8981\u53d6\u5f97\u540d\u7a31\u7684\u7269\u4ef6\u3002<\/p>\n

### \u4f7f\u7528\u7bc4\u4f8b<\/p>\n

\u4ee5\u4e0b\u7bc4\u4f8b\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528 `__name__` \u5c6c\u6027\u53d6\u5f97\u51fd\u6578\u548c\u6a21\u7d44\u7684\u540d\u7a31\uff1a<\/p>\n

#### 1. \u7372\u53d6\u51fd\u6578\u540d\u7a31<\/p>\n

“`python
\ndef add(x, y):
\n return x + y<\/p>\n

print(add.__name__) # \u8f38\u51fa\u7d50\u679c\uff1aadd
\n“`<\/p>\n

\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba `add` \u7684\u51fd\u6578\uff0c\u7136\u5f8c\u4f7f\u7528 `__name__` \u5c6c\u6027\u53d6\u5f97\u51fd\u6578\u7684\u540d\u7a31\uff0c\u8f38\u51fa\u7d50\u679c\u70ba `add`\u3002<\/p>\n

#### 2. \u7372\u53d6\u6a21\u7d44\u540d\u7a31<\/p>\n

“`python
\nimport math<\/p>\n

print(math.__name__) # \u8f38\u51fa\u7d50\u679c\uff1amath
\n“`<\/p>\n

\u5728\u9019\u6bb5\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5f15\u5165\u4e86 `math` \u6a21\u7d44\uff0c\u4e26\u4f7f\u7528 `__name__` \u5c6c\u6027\u7372\u53d6\u6a21\u7d44\u7684\u540d\u7a31\uff0c\u8f38\u51fa\u7d50\u679c\u70ba `math`\u3002<\/p>\n

### \u5ef6\u4f38\u61c9\u7528<\/p>\n

\u9664\u4e86\u7372\u53d6\u51fd\u6578\u548c\u6a21\u7d44\u7684\u540d\u7a31\uff0c`__name__` \u5c6c\u6027\u4e5f\u53ef\u4ee5\u7528\u4f86\uff1a<\/p>\n

– \u6aa2\u67e5\u6a21\u7d44\u662f\u5426\u662f\u4e3b\u7a0b\u5f0f\u904b\u884c
\n– \u5728\u5927\u578b\u5c08\u6848\u4e2d\u9032\u884c\u8abf\u8a66\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u4e86\u89e3\u7576\u524d\u57f7\u884c\u7684\u4e0a\u4e0b\u6587<\/p>\n

\u4f8b\u5982\uff0c\u53ef\u4ee5\u5229\u7528 `__name__` \u5c6c\u6027\u4f86\u6aa2\u67e5\u662f\u5426\u5728\u4e3b\u7a0b\u5f0f\u4e2d\u57f7\u884c\uff1a<\/p>\n

“`python
\nif __name__ == “__main__”:
\n print(“\u9019\u6bb5\u7a0b\u5f0f\u78bc\u662f\u76f4\u63a5\u904b\u884c\u7684”)
\n“`<\/p>\n

### \u932f\u8aa4\u6392\u9664<\/p>\n

\u7576\u4f60\u9047\u5230 `AttributeError: ‘function’ object has no attribute ‘__name__’` \u932f\u8aa4\u6642\uff0c\u9019\u901a\u5e38\u8868\u793a\u4f60\u8a66\u5716\u5728\u4e00\u500b\u4e0d\u6b63\u78ba\u7684\u7269\u4ef6\u4e0a\u8abf\u7528 `__name__` \u5c6c\u6027\u3002\u78ba\u4fdd\u4f60\u6b63\u5728\u4f7f\u7528\u7684\u7269\u4ef6\u662f\u51fd\u6578\u3001\u6a21\u7d44\u6216\u985e\u5225\u3002<\/p>\n

### \u7e3d\u7d50<\/p>\n

\u5728 Python \u4e2d\uff0c`__name__` \u5c6c\u6027\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u7372\u53d6\u7269\u4ef6\u540d\u7a31\uff0c\u4e26\u5728\u8abf\u8a66\u548c\u7a0b\u5f0f\u8a2d\u8a08\u4e2d\u63d0\u4f9b\u652f\u6301\u3002\u7121\u8ad6\u662f\u5728\u5b78\u7fd2 Python \u9084\u662f\u9032\u884c\u5c08\u6848\u958b\u767c\uff0c\u638c\u63e1 `__name__` \u7684\u4f7f\u7528\u90fd\u662f\u975e\u5e38\u6709\u76ca\u7684\u3002<\/p>\n

\u6b64\u5916\uff0c\u82e5\u4f60\u60f3\u9032\u4e00\u6b65\u4e86\u89e3 Python \u7684\u5404\u7a2e\u529f\u80fd\u8207\u6700\u4f73\u5be6\u8e10\uff0c\u5efa\u8b70\u53c3\u8003 [\u9019\u88e1\u7684 Python \u6559\u5b78](https:\/\/vocus.cc) \u4ee5\u7372\u5f97\u66f4\u591a\u8cc7\u6e90\u3002<\/p>\n

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

**Q1: `__name__` \u548c `name()` \u6709\u4f55\u4e0d\u540c\uff1f**
\nA: `__name__` \u662f Python \u7269\u4ef6\u7684\u5167\u5efa\u5c6c\u6027\uff0c\u7528\u65bc\u7372\u53d6\u540d\u7a31\uff0c\u800c `name()` \u51fd\u6578\u4e26\u4e0d\u5b58\u5728\uff0c\u901a\u5e38\u662f\u5c0d `__name__` \u7684\u8aa4\u89e3\u3002<\/p>\n

**Q2: \u5982\u4f55\u4f7f\u7528 `__name__` \u6aa2\u67e5\u6a21\u7d44\u662f\u5426\u662f\u4e3b\u7a0b\u5f0f\uff1f**
\nA: \u4f60\u53ef\u4ee5\u4f7f\u7528 `if __name__ == “__main__”:` \u4f86\u5224\u65b7\u6a21\u7d44\u662f\u5426\u88ab\u76f4\u63a5\u904b\u884c\uff0c\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u5728\u88ab\u532f\u5165\u6642\u57f7\u884c\u4e0d\u5fc5\u8981\u7684\u7a0b\u5f0f\u78bc\u3002<\/p>\n

**Q3: `__name__` \u5c6c\u6027\u53ef\u4ee5\u7528\u65bc\u54ea\u4e9b\u985e\u578b\u7684\u7269\u4ef6\uff1f**
\nA: `__name__` \u5c6c\u6027\u53ef\u4ee5\u7528\u65bc\u51fd\u6578\u3001\u6a21\u7d44\u3001\u985e\u5225\u7b49\u5404\u7a2e\u7269\u4ef6\uff0c\u4ee5\u7372\u53d6\u5176\u540d\u7a31\u3002<\/p>\n

—<\/p>\n","protected":false},"excerpt":{"rendered":"

\u672c\u6587\u5c07\u4ecb\u7d39Python\u4e2d\u7684name()\u51fd\u6578\uff0c\u8a73\u7d30\u89e3\u91cb\u5b83\u7684\u529f\u80fd\u8207\u61c9\u7528\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\uff0c\u8b93\u8b80\u8005\u80fd\u5920\u66f4\u6df1\u5165\u5730\u4e86\u89e3name()\u51fd\u6578\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-3498","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-Uq","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3498","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=3498"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3498\/revisions"}],"predecessor-version":[{"id":3499,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3498\/revisions\/3499"}],"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=3498"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3498"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3498"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}