{"id":3336,"date":"2025-06-01T15:14:57","date_gmt":"2025-06-04T08:11:57","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3336"},"modified":"2025-06-04T15:14:57","modified_gmt":"2025-06-04T08:11:57","slug":"python%e4%b8%ad%e7%9a%84%e5%8f%83%e6%95%b8%ef%bc%88parameters%ef%bc%89-2","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/python%e4%b8%ad%e7%9a%84%e5%8f%83%e6%95%b8%ef%bc%88parameters%ef%bc%89-2\/","title":{"rendered":"\u63d0\u5347 Python \u51fd\u5f0f\u53c3\u6578\u6aa2\u67e5\u7684\u6700\u4f73\u5be6\u8e10\uff1a\u638c\u63e1 parameters() \u51fd\u5f0f"},"content":{"rendered":"

<\/p>\n

\u63d0\u5347 Python \u51fd\u5f0f\u53c3\u6578\u6aa2\u67e5\u7684\u6700\u4f73\u5be6\u8e10\uff1a\u638c\u63e1 parameters() \u51fd\u5f0f<\/h1>\n

\u5728 Python \u7684\u7a0b\u5f0f\u8a2d\u8a08\u4e2d\uff0c\u78ba\u4fdd\u51fd\u5f0f\u53c3\u6578\u7684\u6b63\u78ba\u6027\u5c0d\u65bc\u7a0b\u5f0f\u7684\u7a69\u5b9a\u6027\u81f3\u95dc\u91cd\u8981\u3002\u5728\u672c\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528 Python \u7684 `parameters()` \u51fd\u5f0f\u4f86\u6aa2\u67e5\u51fd\u5f0f\u7684\u53c3\u6578\uff0c\u4e26\u63d0\u4f9b2025\u6700\u65b0\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n

\u4ec0\u9ebc\u662f parameters() \u51fd\u5f0f\uff1f<\/h2>\n

`parameters()` \u51fd\u5f0f\u662f Python \u4e2d\u7684\u4e00\u500b\u5167\u5efa\u51fd\u5f0f\uff0c\u7528\u4f86\u6aa2\u67e5\u51fd\u5f0f\u7684\u53c3\u6578\u3002\u5b83\u6703\u56de\u50b3\u4e00\u500b\u5305\u542b\u53c3\u6578\u540d\u7a31\u7684\u5143\u7d44\uff0c\u4fbf\u65bc\u958b\u767c\u8005\u6aa2\u67e5\u51fd\u5f0f\u7684\u53c3\u6578\u662f\u5426\u6b63\u78ba\u3002<\/p>\n

\u4f7f\u7528 parameters() \u51fd\u5f0f\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n

\u4f7f\u7528 `parameters()` \u51fd\u5f0f\u975e\u5e38\u7c21\u55ae\uff0c\u53ea\u9700\u5c07\u51fd\u5f0f\u540d\u7a31\u4f5c\u70ba\u53c3\u6578\u50b3\u5165\u5373\u53ef\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u7bc4\u4f8b\uff1a<\/p>\n

“`python
\ndef my_function(a, b, c):
\n pass<\/p>\n

params = my_function.__code__.co_varnames[:my_function.__code__.co_argcount]\nprint(params)<\/p>\n

# Output: (‘a’, ‘b’, ‘c’)
\n“`<\/p>\n

\u9019\u6bb5\u7a0b\u5f0f\u78bc\u5229\u7528\u4e86\u51fd\u5f0f\u7684 `__code__` \u5c6c\u6027\u4f86\u7372\u53d6\u53c3\u6578\u540d\u7a31\uff0c\u9019\u5728 Python 3.8 \u53ca\u4ee5\u4e0a\u7248\u672c\u4e2d\u4ecd\u7136\u9069\u7528\u3002<\/p>\n

\u7bc4\u4f8b\uff1a\u6aa2\u67e5\u51fd\u5f0f\u53c3\u6578\u7684\u6b63\u78ba\u6027<\/h2>\n

\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 `parameters()` \u51fd\u5f0f\u6aa2\u67e5\u51fd\u5f0f\u53c3\u6578\u7684\u7bc4\u4f8b\uff1a<\/p>\n

“`python
\ndef my_function(a, b, c):
\n “””\u9019\u662f\u4e00\u500b\u7c21\u55ae\u7684\u51fd\u5f0f”””
\n pass<\/p>\n

def check_params(func, *args):
\n params = func.__code__.co_varnames[:func.__code__.co_argcount]\n if len(params) != len(args):
\n print(“Incorrect number of arguments!”)
\n return False
\n for i, arg in enumerate(args):
\n if params[i] != arg:
\n print(“Incorrect argument name!”)
\n return False
\n return True<\/p>\n

result = check_params(my_function, “a”, “b”, “c”)
\nprint(result) # Output: True
\n“`<\/p>\n

\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c`check_params` \u51fd\u5f0f\u6703\u6aa2\u67e5\u50b3\u5165\u7684\u53c3\u6578\u6578\u91cf\u548c\u540d\u7a31\u662f\u5426\u6b63\u78ba\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u53ca\u6642\u767c\u73fe\u932f\u8aa4\u3002<\/p>\n

\u932f\u8aa4\u6392\u9664\u8207\u5ef6\u4f38\u61c9\u7528<\/h2>\n

\u5728\u5be6\u4f5c\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u4ee5\u4e0b\u554f\u984c\uff1a<\/p>\n

1. **\u53c3\u6578\u540d\u7a31\u4e0d\u5339\u914d**\uff1a\u78ba\u8a8d\u51fd\u5f0f\u5b9a\u7fa9\u4e2d\u7684\u53c3\u6578\u540d\u7a31\u8207\u50b3\u5165\u7684\u53c3\u6578\u4e00\u81f4\u3002
\n2. **\u53c3\u6578\u6578\u91cf\u932f\u8aa4**\uff1a\u6aa2\u67e5\u50b3\u5165\u7684\u53c3\u6578\u6578\u91cf\u662f\u5426\u8207\u51fd\u5f0f\u5b9a\u7fa9\u4e00\u81f4\u3002<\/p>\n

\u6b64\u5916\uff0c`parameters()` \u51fd\u5f0f\u53ef\u4ee5\u64f4\u5c55\u61c9\u7528\u65bc\u66f4\u8907\u96dc\u7684\u60c5\u6cc1\uff0c\u4f8b\u5982\u8655\u7406\u9810\u8a2d\u53c3\u6578\u6216\u53ef\u8b8a\u53c3\u6578\u3002<\/p>\n

\u7d50\u8ad6<\/h2>\n

\u4f7f\u7528 `parameters()` \u51fd\u5f0f\u4f86\u6aa2\u67e5\u51fd\u5f0f\u7684\u53c3\u6578\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7a0b\u5f0f\u7684\u6b63\u78ba\u6027\uff0c\u9084\u80fd\u63d0\u5347\u958b\u767c\u6548\u7387\u3002\u900f\u904e\u672c\u6587\u63d0\u4f9b\u7684\u7bc4\u4f8b\u548c\u6700\u4f73\u5be6\u8e10\uff0c\u60a8\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u638c\u63e1 Python \u7684\u51fd\u5f0f\u53c3\u6578\u6aa2\u67e5\u6280\u8853\u3002<\/p>\n

\u5982\u9700\u9032\u4e00\u6b65\u5b78\u7fd2 Python \u7684\u76f8\u95dc\u77e5\u8b58\uff0c\u5efa\u8b70\u53c3\u8003 [\u9019\u7bc7\u6559\u5b78](https:\/\/vocus.cc\/article\/601c0b8ef1f97c00115b6d1a)\u3002<\/p>\n

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

**Q1: `parameters()` \u51fd\u5f0f\u9069\u7528\u65bc\u6240\u6709\u7248\u672c\u7684 Python \u55ce\uff1f**
\nA1: `parameters()` \u51fd\u5f0f\u662f Python 3.8 \u53ca\u4ee5\u4e0a\u7248\u672c\u4e2d\u4f7f\u7528 `__code__` \u5c6c\u6027\u7372\u53d6\u53c3\u6578\u540d\u7a31\u7684\u6700\u4f73\u5be6\u8e10\uff0c\u60a8\u53ef\u4ee5\u6839\u64da\u60a8\u7684 Python \u7248\u672c\u9078\u64c7\u5408\u9069\u7684\u8a9e\u6cd5\u3002<\/p>\n

**Q2: \u5982\u4f55\u8655\u7406\u53ef\u8b8a\u53c3\u6578\u7684\u6aa2\u67e5\uff1f**
\nA2: \u5c0d\u65bc\u53ef\u8b8a\u53c3\u6578\uff0c\u60a8\u53ef\u4ee5\u5728 `check_params` \u51fd\u5f0f\u4e2d\u4f7f\u7528 `*args` \u548c `**kwargs` \u4f86\u9032\u884c\u66f4\u9748\u6d3b\u7684\u6aa2\u67e5\u3002<\/p>\n

**Q3: \u6709\u54ea\u4e9b\u5e38\u898b\u7684\u51fd\u5f0f\u53c3\u6578\u932f\u8aa4\u9700\u8981\u6ce8\u610f\uff1f**
\nA3: \u5e38\u898b\u7684\u932f\u8aa4\u5305\u62ec\u53c3\u6578\u540d\u7a31\u62fc\u5beb\u932f\u8aa4\u3001\u7f3a\u5c11\u5fc5\u8981\u53c3\u6578\u4ee5\u53ca\u4f7f\u7528\u4e0d\u6b63\u78ba\u7684\u53c3\u6578\u985e\u578b\u3002\u4fdd\u6301\u826f\u597d\u7684\u51fd\u5f0f\u6587\u6a94\u548c\u8a3b\u89e3\u53ef\u4ee5\u5e6b\u52a9\u6e1b\u5c11\u9019\u4e9b\u932f\u8aa4\u7684\u767c\u751f\u3002
\n—<\/p>\n","protected":false},"excerpt":{"rendered":"

\u672c\u6587\u5c07\u4ecb\u7d39Python\u4e2d\u7684\u53c3\u6578\uff08Parameters\uff09\uff0c\u8a73\u7d30\u89e3\u91cb\u53c3\u6578\u7684\u5b9a\u7fa9\u3001\u7528\u6cd5\u3001\u512a\u9ede\u548c\u7f3a\u9ede\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u53c3\u6578\u4f86\u63d0\u9ad8\u7a0b\u5e8f\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-3336","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-RO","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3336","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=3336"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3336\/revisions"}],"predecessor-version":[{"id":3337,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3336\/revisions\/3337"}],"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=3336"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3336"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3336"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}