{"id":3280,"date":"2025-06-03T16:07:38","date_gmt":"2025-06-04T08:22:38","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3280"},"modified":"2025-06-04T16:07:38","modified_gmt":"2025-06-04T08:22:38","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84call%e5%87%bd%e6%95%b8-2","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84call%e5%87%bd%e6%95%b8-2\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 `call()` \u51fd\u5f0f\uff1a\u6700\u65b0\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"

<\/p>\n

Python \u4e2d\u7684 `call()` \u51fd\u5f0f<\/h1>\n

\u5728 Python \u4e2d\uff0c`call()` \u51fd\u5f0f\u662f\u4e00\u500b\u9748\u6d3b\u7684\u5de5\u5177\uff0c\u5141\u8a31\u6211\u5011\u5728\u4e0d\u540c\u7684\u6642\u9593\u9ede\u57f7\u884c\u7279\u5b9a\u7684\u51fd\u5f0f\uff0c\u800c\u7121\u9700\u6bcf\u6b21\u90fd\u91cd\u65b0\u5b9a\u7fa9\u51fd\u5f0f\u3002\u9019\u4f7f\u5f97\u6211\u5011\u7684\u7a0b\u5f0f\u66f4\u5177\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\u3002\u672c\u6587\u5c07\u91dd\u5c0d 2025 \u5e74\u7684\u6700\u65b0\u8a9e\u6cd5\u548c\u6700\u4f73\u5be6\u8e10\u9032\u884c\u8a73\u7d30\u4ecb\u7d39\uff0c\u4e26\u63d0\u4f9b\u5be6\u4f5c\u7bc4\u4f8b\u53ca\u932f\u8aa4\u6392\u9664\u5efa\u8b70\u3002<\/p>\n

\u6700\u65b0 `call()` \u51fd\u5f0f\u7684\u8a9e\u6cd5<\/h2>\n

\u5728 Python \u4e2d\uff0c`call()` \u51fd\u5f0f\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n

“`python
\ncall(func, *args, **kwargs)
\n“`<\/p>\n

– `func`\uff1a\u8981\u57f7\u884c\u7684\u51fd\u5f0f\u3002
\n– `*args`\uff1a\u53ef\u9078\u7684\u4f4d\u7f6e\u53c3\u6578\u3002
\n– `**kwargs`\uff1a\u53ef\u9078\u7684\u95dc\u9375\u5b57\u53c3\u6578\u3002<\/p>\n

\u4f7f\u7528 `call()` \u51fd\u5f0f\u7684\u5be6\u4f5c\u7bc4\u4f8b<\/h2>\n

\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 `call()` \u51fd\u5f0f\uff1a<\/p>\n

“`python
\ndef hello(name):
\n print(“Hello, ” + name)<\/p>\n

# \u4f7f\u7528 call() \u51fd\u5f0f\u57f7\u884c hello
\ncall(hello, “John”)
\n“`<\/p>\n

\u57f7\u884c\u4e0a\u8ff0\u7a0b\u5f0f\u78bc\uff0c\u5c07\u8f38\u51fa\uff1a<\/p>\n

“`
\nHello, John
\n“`<\/p>\n

\u8a18\u5f97\u5728\u4f7f\u7528 `call()` \u51fd\u5f0f\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u8a72\u51fd\u5f0f\u540d\u7a31\u6b63\u78ba\u4e14\u5df2\u6b63\u78ba\u5b9a\u7fa9\u3002<\/p>\n

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

\u5982\u679c\u60a8\u5728\u4f7f\u7528 `call()` \u51fd\u5f0f\u6642\u9047\u5230\u932f\u8aa4\uff0c\u4ee5\u4e0b\u662f\u5e7e\u500b\u5e38\u898b\u7684\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n

1. **NameError**\uff1a\u78ba\u4fdd\u51fd\u5f0f\u540d\u7a31\u6b63\u78ba\u4e14\u5df2\u5b9a\u7fa9\u3002
\n2. **TypeError**\uff1a\u6aa2\u67e5\u50b3\u905e\u7684\u53c3\u6578\u6578\u91cf\u53ca\u5176\u985e\u578b\u662f\u5426\u8207\u51fd\u5f0f\u5b9a\u7fa9\u76f8\u7b26\u3002
\n3. **AttributeError**\uff1a\u78ba\u4fdd\u60a8\u5617\u8a66\u8abf\u7528\u7684\u51fd\u5f0f\u5728\u5c0d\u8c61\u4e0a\u53ef\u7528\u3002<\/p>\n

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

`call()` \u51fd\u5f0f\u4e0d\u50c5\u53ef\u4ee5\u7528\u65bc\u7c21\u55ae\u7684\u51fd\u5f0f\u547c\u53eb\uff0c\u9084\u53ef\u4ee5\u5728\u66f4\u8907\u96dc\u7684\u60c5\u6cc1\u4e0b\u4f7f\u7528\uff0c\u4f8b\u5982\u5728\u591a\u57f7\u884c\u7dd2\u6216\u7570\u6b65\u4efb\u52d9\u4e2d\u8abf\u7528\u51fd\u5f0f\u3002\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5f0f\u7684\u6548\u7387\u548c\u9748\u6d3b\u6027\u3002<\/p>\n

\u82e5\u8981\u4e86\u89e3\u66f4\u591a\u95dc\u65bc Python \u51fd\u5f0f\u7684\u4f7f\u7528\uff0c\u60a8\u53ef\u4ee5\u53c3\u8003\u9019\u7bc7 [Python \u51fd\u5f0f\u4f7f\u7528\u6307\u5357](https:\/\/vocus.cc\/article\/60f7a0cc4a9298000687e2f7)\u3002<\/p>\n

\u7e3d\u7d50<\/h2>\n

`call()` \u51fd\u5f0f\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u5b83\u80fd\u5920\u5728\u4e0d\u540c\u7684\u6642\u9593\u9ede\u57f7\u884c\u7279\u5b9a\u7684\u51fd\u5f0f\uff0c\u800c\u7121\u9700\u6bcf\u6b21\u90fd\u91cd\u65b0\u5b9a\u7fa9\u3002\u900f\u904e\u9019\u7bc7\u6587\u7ae0\uff0c\u60a8\u61c9\u8a72\u80fd\u5920\u7406\u89e3 `call()` \u7684\u57fa\u672c\u7528\u6cd5\u53ca\u5176\u61c9\u7528\u5834\u666f\uff0c\u4e26\u4e14\u80fd\u5920\u5728\u81ea\u5df1\u7684\u7a0b\u5f0f\u4e2d\u9748\u6d3b\u904b\u7528\u3002<\/p>\n

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

**Q1: `call()` \u51fd\u5f0f\u6709\u4ec0\u9ebc\u512a\u9ede\uff1f**
\nA1: `call()` \u51fd\u5f0f\u7684\u4e3b\u8981\u512a\u9ede\u662f\u5b83\u7684\u9748\u6d3b\u6027\uff0c\u5141\u8a31\u5728\u4e0d\u540c\u7684\u4e0a\u4e0b\u6587\u4e2d\u8abf\u7528\u51fd\u5f0f\uff0c\u4e26\u4e14\u53ef\u4ee5\u8f15\u9b06\u50b3\u905e\u53c3\u6578\u3002<\/p>\n

**Q2: \u5982\u4f55\u8655\u7406 `call()` \u51fd\u5f0f\u4e2d\u7684\u932f\u8aa4\uff1f**
\nA2: \u60a8\u53ef\u4ee5\u4f7f\u7528 try-except \u4f86\u6355\u6349\u53ef\u80fd\u51fa\u73fe\u7684\u932f\u8aa4\uff0c\u4e26\u6839\u64da\u932f\u8aa4\u985e\u578b\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\u3002<\/p>\n

**Q3: `call()` \u51fd\u5f0f\u53ef\u4ee5\u7528\u65bc\u54ea\u4e9b\u5834\u666f\uff1f**
\nA3: `call()` \u51fd\u5f0f\u53ef\u4ee5\u7528\u65bc\u4e8b\u4ef6\u9a45\u52d5\u7684\u61c9\u7528\u7a0b\u5f0f\u3001\u7570\u6b65\u8655\u7406\u4ee5\u53ca\u5176\u4ed6\u9700\u8981\u5ef6\u9072\u57f7\u884c\u7684\u5834\u666f\u3002<\/p>\n

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

\u4e86\u89e3Python\u4e2d\u7684call()\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u8b93\u4f60\u57f7\u884c\u5176\u4ed6\u51fd\u6578\uff0c\u4e26\u63a5\u6536\u53c3\u6578\uff0c\u66f4\u6709\u6548\u5730\u57f7\u884c\u7a0b\u5f0f\u78bc\u3002\u672c\u6587\u5c07\u4ecb\u7d39call()\u51fd\u6578\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u63d0\u9ad8\u7a0b\u5f0f\u78bc\u7684\u6548\u7387\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-3280","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-QU","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3280","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=3280"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3280\/revisions"}],"predecessor-version":[{"id":3281,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3280\/revisions\/3281"}],"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=3280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3280"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}