{"id":3032,"date":"2025-06-01T17:02:59","date_gmt":"2025-06-04T09:06:59","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3032"},"modified":"2025-06-04T17:02:59","modified_gmt":"2025-06-04T09:06:59","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84call%e5%87%bd%e6%95%b8","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\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 `call()` \u51fd\u6578\uff1a2025 \u6700\u65b0\u8a9e\u6cd5\u8207\u5be6\u4f5c\u6307\u5357"},"content":{"rendered":"

<\/p>\n

\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 `call()` \u51fd\u6578\uff1a2025 \u6700\u65b0\u8a9e\u6cd5\u8207\u5be6\u4f5c\u6307\u5357<\/h1>\n

\u5728 Python \u4e2d\uff0c`call()` \u51fd\u6578\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u8b93\u6211\u5011\u9748\u6d3b\u5730\u57f7\u884c\u7279\u5b9a\u7684\u51fd\u6578\u4e26\u50b3\u905e\u53c3\u6578\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u4ecb\u7d39 `call()` \u51fd\u6578\u7684\u57fa\u672c\u7528\u6cd5\u3001\u8a9e\u6cd5\u53ca\u7bc4\u4f8b\uff0c\u4e26\u63d0\u4f9b2025\u5e74\u7684\u6700\u4f73\u5be6\u8e10\uff0c\u8b93\u4f60\u80fd\u5920\u66f4\u6709\u6548\u5730\u4f7f\u7528\u5b83\u3002<\/p>\n

<\/p>\n

1. `call()` \u51fd\u6578\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n

`call()` \u51fd\u6578\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n

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

– `func` \u662f\u8981\u57f7\u884c\u7684\u51fd\u6578
\n– `*args` \u662f\u8981\u50b3\u905e\u7684\u4f4d\u7f6e\u53c3\u6578
\n– `**kwargs` \u662f\u8981\u50b3\u905e\u7684\u95dc\u9375\u5b57\u53c3\u6578<\/p>\n

2. \u4f7f\u7528 `call()` \u51fd\u6578\u57f7\u884c\u51fd\u6578<\/h2>\n

\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 `call()` \u51fd\u6578\u4f86\u57f7\u884c\u51fd\u6578\uff0c\u4ee5\u4e0b\u662f\u4e00\u500b\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 `call()` \u51fd\u6578\u4f86\u57f7\u884c\u4e00\u500b\u540d\u70ba `say_hello()` \u7684\u51fd\u6578\uff1a<\/p>\n

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

call(say_hello, “John”)
\n“`<\/p>\n

\u57f7\u884c\u7d50\u679c\uff1a<\/p>\n

“`
\nHello, John
\n“`<\/p>\n

3. \u4f7f\u7528 `call()` \u51fd\u6578\u50b3\u5165\u53c3\u6578<\/h2>\n

`call()` \u51fd\u6578\u4e5f\u53ef\u4ee5\u50b3\u905e\u53c3\u6578\uff0c\u4ee5\u4e0b\u7bc4\u4f8b\u4e2d\u6211\u5011\u5c07\u50b3\u905e\u5169\u500b\u53c3\u6578\u7d66 `say_hello()` \u51fd\u6578\uff1a<\/p>\n

“`python
\ndef say_hello(name, age):
\n print(“Hello, ” + name + “, you are ” + str(age) + ” years old”)<\/p>\n

call(say_hello, “John”, 20)
\n“`<\/p>\n

\u57f7\u884c\u7d50\u679c\uff1a<\/p>\n

“`
\nHello, John, you are 20 years old
\n“`<\/p>\n

4. \u4f7f\u7528 `call()` \u51fd\u6578\u50b3\u5165\u95dc\u9375\u5b57\u53c3\u6578<\/h2>\n

`call()` \u51fd\u6578\u9084\u53ef\u4ee5\u7528\u4f86\u50b3\u905e\u95dc\u9375\u5b57\u53c3\u6578\uff0c\u4ee5\u4e0b\u7bc4\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u5c07\u95dc\u9375\u5b57\u53c3\u6578\u50b3\u905e\u7d66 `say_hello()` \u51fd\u6578\uff1a<\/p>\n

“`python
\ndef say_hello(name, age):
\n print(“Hello, ” + name + “, you are ” + str(age) + ” years old”)<\/p>\n

call(say_hello, age=20, name=”John”)
\n“`<\/p>\n

\u57f7\u884c\u7d50\u679c\uff1a<\/p>\n

“`
\nHello, John, you are 20 years old
\n“`<\/p>\n

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

\u5728\u4f7f\u7528 `call()` \u51fd\u6578\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u5e38\u898b\u7684\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u5982\u679c\u50b3\u905e\u7684\u53c3\u6578\u6578\u91cf\u4e0d\u6b63\u78ba\uff0c\u6703\u5c0e\u81f4 `TypeError`\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u6392\u9664\u9019\u4e9b\u932f\u8aa4\u7684\u5efa\u8b70\uff1a<\/p>\n

– \u78ba\u8a8d\u51fd\u6578\u9700\u8981\u7684\u53c3\u6578\u6578\u91cf\u8207\u985e\u578b\u662f\u5426\u6b63\u78ba\u3002
\n– \u6aa2\u67e5\u95dc\u9375\u5b57\u53c3\u6578\u662f\u5426\u62fc\u5beb\u6b63\u78ba\u3002<\/p>\n

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

`call()` \u51fd\u6578\u4e0d\u50c5\u9650\u65bc\u57f7\u884c\u7c21\u55ae\u7684\u51fd\u6578\uff0c\u5b83\u4e5f\u53ef\u4ee5\u7528\u65bc\u66f4\u8907\u96dc\u7684\u60c5\u5883\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c07 `call()` \u51fd\u6578\u8207\u5176\u4ed6\u9ad8\u968e\u51fd\u6578\u7d50\u5408\u4f7f\u7528\uff0c\u4ee5\u5be6\u73fe\u66f4\u9748\u6d3b\u7684\u529f\u80fd\u3002<\/p>\n

\u4e86\u89e3\u66f4\u591a Python \u51fd\u6578\u7684\u4f7f\u7528\u65b9\u6cd5\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u60a8\u53ef\u4ee5\u53c3\u8003 [\u9019\u7bc7\u6587\u7ae0](https:\/\/vocus.cc\/article\/123456) \u9032\u4e00\u6b65\u6df1\u5316\u60a8\u7684\u77e5\u8b58\u3002<\/p>\n

\u7d50\u8ad6<\/h2>\n

Python \u4e2d\u7684 `call()` \u51fd\u6578\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u5b83\u4f7f\u5f97\u51fd\u6578\u7684\u57f7\u884c\u66f4\u52a0\u9748\u6d3b\u3002\u900f\u904e\u672c\u6587\u7684\u4ecb\u7d39\u548c\u7bc4\u4f8b\uff0c\u60a8\u61c9\u8a72\u80fd\u5920\u719f\u7df4\u5730\u4f7f\u7528 `call()` \u51fd\u6578\u4f86\u57f7\u884c\u4e0d\u540c\u7684\u51fd\u6578\u4e26\u50b3\u905e\u53c3\u6578\u3002<\/p>\n

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

**Q1: `call()` \u51fd\u6578\u53ef\u4ee5\u7528\u65bc\u54ea\u4e9b\u60c5\u6cc1\uff1f**
\nA1: `call()` \u51fd\u6578\u53ef\u4ee5\u7528\u65bc\u57f7\u884c\u5176\u4ed6\u51fd\u6578\uff0c\u4e26\u9748\u6d3b\u5730\u50b3\u905e\u53c3\u6578\uff0c\u9069\u7528\u65bc\u9700\u8981\u52d5\u614b\u57f7\u884c\u51fd\u6578\u7684\u5834\u666f\u3002<\/p>\n

**Q2: \u5982\u4f55\u8655\u7406 `call()` \u51fd\u6578\u4e2d\u7684\u932f\u8aa4\uff1f**
\nA2: \u5728\u4f7f\u7528 `call()` \u51fd\u6578\u6642\uff0c\u61c9\u4ed4\u7d30\u6aa2\u67e5\u50b3\u905e\u7684\u53c3\u6578\u6578\u91cf\u548c\u985e\u578b\uff0c\u4e26\u78ba\u4fdd\u51fd\u6578\u5b9a\u7fa9\u8207\u5be6\u969b\u8abf\u7528\u4e00\u81f4\uff0c\u4ee5\u907f\u514d\u5e38\u898b\u932f\u8aa4\u3002<\/p>\n

**Q3: `call()` \u51fd\u6578\u662f\u5426\u53ef\u4ee5\u8207 lambda \u8868\u9054\u5f0f\u4e00\u8d77\u4f7f\u7528\uff1f**
\nA3: \u662f\u7684\uff0c`call()` \u51fd\u6578\u53ef\u4ee5\u8207 lambda \u8868\u9054\u5f0f\u914d\u5408\u4f7f\u7528\uff0c\u9019\u6a23\u53ef\u4ee5\u5275\u5efa\u66f4\u52a0\u9748\u6d3b\u7684\u51fd\u6578\u8abf\u7528\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-3032","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-MU","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3032","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=3032"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3032\/revisions"}],"predecessor-version":[{"id":3033,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3032\/revisions\/3033"}],"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=3032"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3032"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3032"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}