{"id":3400,"date":"2025-05-30T15:46:52","date_gmt":"2025-06-04T07:57:51","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3400"},"modified":"2025-06-04T15:46:52","modified_gmt":"2025-06-04T07:57:51","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84call%e5%87%bd%e6%95%b8-3","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%b8-3\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 `call()` \u51fd\u6578\uff1a2025 \u6700\u65b0\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"

<\/p>\n

\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 call()<\/code> \u51fd\u6578<\/h1>\n

\u5728 Python \u4e2d\uff0c`call()` \u51fd\u6578\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u8b93\u4f60\u5728\u7a0b\u5f0f\u4e2d\u547c\u53eb\u53e6\u4e00\u500b\u51fd\u6578\uff0c\u4e26\u4e14\u53ef\u4ee5\u50b3\u905e\u53c3\u6578\u7d66\u88ab\u547c\u53eb\u7684\u51fd\u6578\u3002\u9019\u7a2e\u5f48\u6027\u4f7f\u5f97\u5728\u4e0d\u540c\u60c5\u6cc1\u4e0b\u57f7\u884c\u4e0d\u540c\u7684\u51fd\u6578\u8b8a\u5f97\u66f4\u52a0\u7c21\u55ae\uff0c\u7121\u9700\u91cd\u8907\u7de8\u5beb\u7a0b\u5f0f\u78bc\u3002<\/p>\n

> **\u6ce8\u610f\uff1a** \u5728 Python \u7684\u6a19\u6e96\u5eab\u4e2d\u5be6\u969b\u4e0a\u4e26\u6c92\u6709\u76f4\u63a5\u7684 `call()` \u51fd\u6578\uff0c\u9019\u88e1\u662f\u57fa\u65bc\u4e00\u822c\u60c5\u5883\u7684\u793a\u7bc4\u3002\u5982\u679c\u9700\u8981\u5be6\u73fe\u985e\u4f3c\u529f\u80fd\uff0c\u53ef\u4f7f\u7528 `functools` \u6a21\u7d44\u4e2d\u7684 `partial` \u6216\u8005\u76f4\u63a5\u900f\u904e\u51fd\u6578\u8abf\u7528\u3002<\/p>\n

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

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

– `func` \u662f\u4f60\u8981\u547c\u53eb\u7684\u51fd\u6578\u3002
\n– `args` \u662f\u4f60\u8981\u50b3\u905e\u7d66\u88ab\u547c\u53eb\u51fd\u6578\u7684\u53c3\u6578\u3002
\n– `kwargs` \u662f\u4f60\u8981\u50b3\u905e\u7d66\u88ab\u547c\u53eb\u51fd\u6578\u7684\u95dc\u9375\u5b57\u53c3\u6578\u3002<\/p>\n

### \u5be6\u4f5c\u7bc4\u4f8b<\/p>\n

#### 1. \u7c21\u55ae\u7684\u51fd\u6578\u8abf\u7528
\n\u5047\u8a2d\u4f60\u6709\u4e00\u500b\u51fd\u6578\u53eb\u505a `add()`\uff0c\u5b83\u53ef\u4ee5\u63a5\u6536\u5169\u500b\u53c3\u6578\uff0c\u4e26\u4e14\u6703\u56de\u50b3\u9019\u5169\u500b\u53c3\u6578\u7684\u548c\uff1a<\/p>\n

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

\u73fe\u5728\u4f60\u53ef\u4ee5\u4f7f\u7528 `call()` \u51fd\u6578\u4f86\u547c\u53eb `add()` \u51fd\u6578\uff0c\u4e26\u4e14\u50b3\u905e\u53c3\u6578\u7d66\u5b83\uff1a<\/p>\n

“`python
\nresult = call(add, 1, 2)
\n“`<\/p>\n

\u9019\u6a23\u4e00\u4f86\uff0c`result` \u7684\u503c\u5c31\u6703\u662f 3\uff0c\u5373 1 \u52a0\u4e0a 2 \u7684\u7d50\u679c\u3002<\/p>\n

#### 2. \u53ef\u8b8a\u53c3\u6578\u7684\u51fd\u6578
\n`call()` \u51fd\u6578\u4e5f\u53ef\u4ee5\u7528\u4f86\u547c\u53eb\u53ef\u8b8a\u53c3\u6578\u7684\u51fd\u6578\uff0c\u4f8b\u5982\u4ee5\u4e0b\u7684 `add_all()` \u51fd\u6578\uff1a<\/p>\n

“`python
\ndef add_all(*args):
\n result = 0
\n for arg in args:
\n result += arg
\n return result
\n“`<\/p>\n

\u9019\u500b\u51fd\u6578\u53ef\u4ee5\u63a5\u6536\u4efb\u610f\u6578\u91cf\u7684\u53c3\u6578\uff0c\u4e26\u5c07\u6240\u6709\u53c3\u6578\u76f8\u52a0\uff0c\u6700\u5f8c\u56de\u50b3\u7d50\u679c\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 `call()` \u51fd\u6578\u4f86\u547c\u53eb\u5b83\uff0c\u4e26\u50b3\u905e\u53c3\u6578\uff1a<\/p>\n

“`python
\nresult = call(add_all, 1, 2, 3, 4, 5)
\n“`<\/p>\n

\u9019\u6a23\u4e00\u4f86\uff0c`result` \u7684\u503c\u5c31\u6703\u662f 15\uff0c\u5373 1 \u52a0\u4e0a 2 \u52a0\u4e0a 3 \u52a0\u4e0a 4 \u52a0\u4e0a 5 \u7684\u7d50\u679c\u3002<\/p>\n

#### 3. \u5e36\u6709\u95dc\u9375\u5b57\u53c3\u6578\u7684\u51fd\u6578
\n\u53e6\u5916\uff0c`call()` \u51fd\u6578\u4e5f\u53ef\u4ee5\u7528\u4f86\u547c\u53eb\u5e36\u6709\u95dc\u9375\u5b57\u53c3\u6578\u7684\u51fd\u6578\uff0c\u4f8b\u5982\u4ee5\u4e0b\u7684 `print_info()` \u51fd\u6578\uff1a<\/p>\n

“`python
\ndef print_info(name, age):
\n print(“Name:”, name)
\n print(“Age:”, age)
\n“`<\/p>\n

\u4f7f\u7528 `call()` \u51fd\u6578\u4f86\u547c\u53eb\u5b83\uff0c\u4e26\u50b3\u905e\u53c3\u6578\uff1a<\/p>\n

“`python
\ncall(print_info, name=”John”, age=20)
\n“`<\/p>\n

\u57f7\u884c\u5f8c\u6703\u5370\u51fa\uff1a<\/p>\n

“`
\nName: John
\nAge: 20
\n“`<\/p>\n

### \u932f\u8aa4\u6392\u9664
\n\u5728\u4f7f\u7528 `call()` \u51fd\u6578\u6642\uff0c\u78ba\u4fdd\u88ab\u547c\u53eb\u7684\u51fd\u6578\u7c3d\u540d\u8207\u50b3\u905e\u7684\u53c3\u6578\u76f8\u7b26\uff0c\u5426\u5247\u6703\u5f15\u767c `TypeError`\u3002\u4f8b\u5982\uff0c\u82e5 `add()` \u51fd\u6578\u9700\u8981\u5169\u500b\u53c3\u6578\uff0c\u4f46\u537b\u53ea\u50b3\u905e\u4e00\u500b\uff0c\u5247\u6703\u5831\u932f\u3002<\/p>\n

### \u5ef6\u4f38\u61c9\u7528
\n\u5728\u5be6\u969b\u958b\u767c\u4e2d\uff0c`call()` \u51fd\u6578\u7684\u6982\u5ff5\u53ef\u4ee5\u61c9\u7528\u65bc\u8a31\u591a\u60c5\u5883\uff0c\u4f8b\u5982\u4e8b\u4ef6\u8655\u7406\u3001\u56de\u8abf\u51fd\u6578\u7b49\u3002\u5728\u8a2d\u8a08\u5927\u578b\u61c9\u7528\u6642\uff0c\u9748\u6d3b\u5730\u4f7f\u7528\u51fd\u6578\u8abf\u7528\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u78bc\u7684\u53ef\u7dad\u8b77\u6027\u8207\u53ef\u8b80\u6027\u3002<\/p>\n

> **\u88dc\u5145\u8aaa\u660e\uff1a** \u82e5\u60f3\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684\u9ad8\u968e\u51fd\u6578\u53ca\u5176\u7528\u6cd5\uff0c\u53ef\u4ee5\u53c3\u8003 [\u9019\u7bc7\u6559\u5b78\u6587\u7ae0](https:\/\/vocus.cc\/article\/605e4f6e0a4b5e001c2b1e66)\u3002<\/p>\n

\u7e3d\u7d50\u4f86\u8aaa\uff0cPython \u4e2d\u7684 `call()` \u51fd\u6578\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u529f\u80fd\uff0c\u5b83\u53ef\u4ee5\u8b93\u4f60\u5728\u7a0b\u5f0f\u4e2d\u9748\u6d3b\u5730\u547c\u53eb\u5176\u4ed6\u51fd\u6578\uff0c\u4e26\u4e14\u53ef\u4ee5\u50b3\u905e\u53c3\u6578\uff0c\u8b93\u4f60\u7684\u7a0b\u5f0f\u66f4\u52a0\u5f48\u6027\u8207\u5f37\u5927\u3002<\/p>\n

### Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09
\n**Q1: `call()` \u51fd\u6578\u662f\u5426\u662f Python \u7684\u5167\u5efa\u51fd\u6578\uff1f**
\nA1: \u4e0d\u662f\uff0cPython \u6a19\u6e96\u5eab\u4e2d\u6c92\u6709\u76f4\u63a5\u7684 `call()` \u51fd\u6578\uff0c\u4f46\u4f60\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u65b9\u6cd5\u4f86\u5be6\u73fe\u985e\u4f3c\u7684\u529f\u80fd\uff0c\u6bd4\u5982\u900f\u904e\u666e\u901a\u7684\u51fd\u6578\u8abf\u7528\u6216\u4f7f\u7528 `functools` \u6a21\u7d44\u3002<\/p>\n

**Q2: \u5982\u4f55\u8655\u7406 `call()` \u51fd\u6578\u6240\u5f15\u767c\u7684\u932f\u8aa4\uff1f**
\nA2: \u78ba\u4fdd\u50b3\u905e\u7d66\u51fd\u6578\u7684\u53c3\u6578\u6578\u91cf\u548c\u985e\u578b\u8207\u51fd\u6578\u5b9a\u7fa9\u76f8\u7b26\uff0c\u4f7f\u7528 `try-except` \u4f86\u6355\u6349\u53ef\u80fd\u7684\u932f\u8aa4\u3002<\/p>\n

**Q3: \u53ef\u4ee5\u4f7f\u7528 `call()` \u51fd\u6578\u4f86\u547c\u53eb\u5e36\u6709\u9810\u8a2d\u503c\u7684\u53c3\u6578\u7684\u51fd\u6578\u55ce\uff1f**
\nA3: \u53ef\u4ee5\uff0c\u78ba\u4fdd\u5728\u8abf\u7528\u6642\u50b3\u905e\u7684\u53c3\u6578\u7b26\u5408\u51fd\u6578\u7684\u8981\u6c42\uff0c\u5426\u5247\u5c07\u4f7f\u7528\u9810\u8a2d\u503c\u3002<\/p>\n

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

\u4e86\u89e3Python\u4e2d\u7684call()\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u8b93\u4f60\u57f7\u884c\u53e6\u4e00\u500b\u51fd\u6578\uff0c\u4e26\u5c07\u53c3\u6578\u50b3\u905e\u7d66\u5b83\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u4ecb\u7d39call()\u51fd\u6578\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u4ee5\u53ca\u5b83\u7684\u512a\u9ede\u548c\u7f3a\u9ede\uff0c\u8b93\u4f60\u66f4\u597d\u5730\u4e86\u89e3Python\u4e2d\u7684call()\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-3400","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-SQ","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3400","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=3400"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3400\/revisions"}],"predecessor-version":[{"id":3401,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3400\/revisions\/3401"}],"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=3400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3400"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}