<\/p>\n
\u5728 Python \u4e2d\uff0c`__getattribute__()` \u65b9\u6cd5\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u51fd\u5f0f\uff0c\u8b93\u4f60\u53ef\u4ee5\u5f9e\u7269\u4ef6\u4e2d\u53d6\u5f97\u5c6c\u6027\u503c\uff0c\u800c\u4e0d\u9700\u8981\u76f4\u63a5\u4f7f\u7528\u7279\u5b9a\u7684\u5c6c\u6027\u540d\u7a31\u3002\u9019\u5c0d\u65bc\u5c0d\u7269\u4ef6\u9032\u884c\u66f4\u52a0\u9748\u6d3b\u548c\u52d5\u614b\u7684\u64cd\u4f5c\u4f86\u8aaa\uff0c\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\u3002<\/p>\n
### \u8a9e\u6cd5<\/p>\n
`__getattribute__()` \u65b9\u6cd5\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
“`python
\nobject.__getattribute__(attribute)
\n“`<\/p>\n
– `object`\uff1a\u4f60\u60f3\u8981\u53d6\u5f97\u5c6c\u6027\u503c\u7684\u7269\u4ef6\u3002
\n– `attribute`\uff1a\u4f60\u60f3\u8981\u53d6\u5f97\u7684\u5c6c\u6027\u540d\u7a31\uff0c\u5fc5\u9808\u662f\u4e00\u500b\u5b57\u7b26\u4e32\u3002<\/p>\n
### \u4f7f\u7528\u7bc4\u4f8b<\/p>\n
\u4e0b\u9762\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 `__getattribute__()` \u65b9\u6cd5\uff1a<\/p>\n
“`python
\nclass Person:
\n def __init__(self, name, age):
\n self.name = name
\n self.age = age<\/p>\n
def __getattribute__(self, attribute):
\n print(f”Accessing attribute: {attribute}”)
\n return super().__getattribute__(attribute)<\/p>\n
person = Person(“John”, 30)<\/p>\n
# Get the name attribute
\nname = person.__getattribute__(“name”)<\/p>\n
# Get the age attribute
\nage = person.__getattribute__(“age”)<\/p>\n
print(“Name:”, name)
\nprint(“Age:”, age)
\n“`<\/p>\n
\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b `Person` \u985e\u5225\uff0c\u4e26\u91cd\u5beb\u4e86 `__getattribute__()` \u65b9\u6cd5\uff0c\u4ee5\u5728\u5b58\u53d6\u5c6c\u6027\u6642\u6253\u5370\u51fa\u76f8\u95dc\u4fe1\u606f\u3002\u9019\u6a23\uff0c\u6211\u5011\u53ef\u4ee5\u6e05\u695a\u5730\u770b\u5230\u4f55\u6642\u5b58\u53d6\u4e86 `name` \u548c `age` \u5c6c\u6027\u3002<\/p>\n
### \u53d6\u5f97\u7269\u4ef6\u7684\u65b9\u6cd5<\/p>\n
`__getattribute__()` \u65b9\u6cd5\u4e5f\u53ef\u4ee5\u7528\u4f86\u53d6\u5f97\u7269\u4ef6\u7684\u65b9\u6cd5\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n
“`python
\nclass Person:
\n def __init__(self, name, age):
\n self.name = name
\n self.age = age<\/p>\n
def say_hello(self):
\n print(“Hello, my name is”, self.name)<\/p>\n
def __getattribute__(self, attribute):
\n print(f”Accessing method: {attribute}”)
\n return super().__getattribute__(attribute)<\/p>\n
person = Person(“John”, 30)<\/p>\n
# Get the say_hello method
\nsay_hello = person.__getattribute__(“say_hello”)<\/p>\n
# Call the say_hello method
\nsay_hello()
\n“`<\/p>\n
\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u540c\u6a23\u91cd\u5beb\u4e86 `__getattribute__()` \u65b9\u6cd5\uff0c\u7576\u6211\u5011\u7372\u53d6 `say_hello` \u65b9\u6cd5\u6642\uff0c\u6703\u6253\u5370\u51fa\u76f8\u61c9\u7684\u63d0\u793a\u4fe1\u606f\u3002<\/p>\n
### `__getattribute__()` \u65b9\u6cd5\u7684\u512a\u9ede<\/p>\n
`__getattribute__()` \u65b9\u6cd5\u7684\u4e3b\u8981\u512a\u9ede\u5728\u65bc\u9748\u6d3b\u6027\u3002\u5b83\u5141\u8a31\u958b\u767c\u8005\u5728\u7372\u53d6\u5c6c\u6027\u6216\u65b9\u6cd5\u6642\u9032\u884c\u81ea\u5b9a\u7fa9\u8655\u7406\uff0c\u4f8b\u5982\u8a18\u9304\u5b58\u53d6\u884c\u70ba\u6216\u57f7\u884c\u984d\u5916\u7684\u6aa2\u67e5\u3002\u9019\u4f7f\u5f97\u7269\u4ef6\u5c0e\u5411\u7a0b\u5f0f\u8a2d\u8a08\u66f4\u52a0\u5f37\u5927\u548c\u9748\u6d3b\u3002<\/p>\n
### \u7e3d\u7d50<\/p>\n
\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u6df1\u5165\u4ecb\u7d39\u4e86 Python \u4e2d\u7684 `__getattribute__()` \u65b9\u6cd5\u3002\u5b83\u4e0d\u50c5\u53ef\u4ee5\u8b93\u4f60\u5f9e\u7269\u4ef6\u4e2d\u52d5\u614b\u53d6\u5f97\u5c6c\u6027\u503c\uff0c\u9084\u80fd\u5920\u7372\u53d6\u7269\u4ef6\u7684\u65b9\u6cd5\uff0c\u8b93\u4f60\u66f4\u8f15\u9b06\u5730\u64cd\u4f5c\u7269\u4ef6\u3002\u9019\u7a2e\u9748\u6d3b\u6027\u4f7f\u5f97 Python \u6210\u70ba\u4e00\u500b\u5f37\u5927\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u80fd\u5920\u7c21\u5316\u8a31\u591a\u8907\u96dc\u7684\u4efb\u52d9\u3002<\/p>\n
### \u5ef6\u4f38\u95b1\u8b80<\/p>\n
\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc Python \u7684\u9032\u968e\u7528\u6cd5\uff0c\u8acb\u53c3\u8003\u9019\u7bc7\u6559\u5b78\uff1a[Python \u9032\u968e\u6280\u5de7 – vocus.cc](https:\/\/vocus.cc) \u6216 [Python \u7de8\u7a0b\u5be6\u8e10 – miner.tw](https:\/\/miner.tw)\u3002<\/p>\n
### Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/p>\n
**Q1: `__getattribute__()` \u548c `getattr()` \u6709\u4ec0\u9ebc\u5340\u5225\uff1f**
\nA1: `__getattribute__()` \u662f\u4e00\u500b\u7279\u6b8a\u65b9\u6cd5\uff0c\u4e3b\u8981\u7528\u65bc\u5b9a\u7fa9\u5982\u4f55\u7372\u53d6\u7269\u4ef6\u5c6c\u6027\uff0c\u800c `getattr()` \u662f\u4e00\u500b\u5167\u5efa\u51fd\u6578\uff0c\u7528\u65bc\u7372\u53d6\u7269\u4ef6\u7684\u5c6c\u6027\u503c\uff0c\u4e26\u53ef\u63d0\u4f9b\u9ed8\u8a8d\u503c\u3002<\/p>\n
**Q2: \u6211\u53ef\u4ee5\u5728 `__getattribute__()` \u4e2d\u4f7f\u7528 `self.attribute` \u55ce\uff1f**
\nA2: \u4e0d\u5efa\u8b70\u9019\u6a23\u505a\uff0c\u56e0\u70ba\u9019\u6703\u5c0e\u81f4\u905e\u6b78\u8abf\u7528\u3002\u5982\u679c\u9700\u8981\u7372\u53d6\u5c6c\u6027\u503c\uff0c\u61c9\u4f7f\u7528 `super().__getattribute__(attribute)`\u3002<\/p>\n
**Q3: \u5982\u4f55\u5728 `__getattribute__()` \u4e2d\u8655\u7406\u932f\u8aa4\uff1f**
\nA3: \u4f60\u53ef\u4ee5\u5728 `__getattribute__()` \u4e2d\u6355\u7372 `AttributeError`\uff0c\u4e26\u6839\u64da\u9700\u8981\u81ea\u5b9a\u7fa9\u932f\u8aa4\u8655\u7406\u884c\u70ba\uff0c\u4f8b\u5982\u8fd4\u56de\u9ed8\u8a8d\u503c\u6216\u62cb\u51fa\u81ea\u5b9a\u7fa9\u7570\u5e38\u3002<\/p>\n
—<\/p>\n","protected":false},"excerpt":{"rendered":"
getattribute()\u51fd\u6578\u662fPython\u4e2d\u7684\u4e00\u500b\u5167\u7f6e\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u7528\u65bc\u8a2a\u554f\u5c0d\u8c61\u7684\u5c6c\u6027\uff0c\u4e26\u63d0\u4f9b\u4e00\u7a2e\u66f4\u7c21\u55ae\u7684\u65b9\u6cd5\u4f86\u8a2a\u554f\u5c0d\u8c61\u7684\u5c6c\u6027\u3002\u672c\u6587\u5c07\u4ecb\u7d39getattribute()\u51fd\u6578\u7684\u529f\u80fd\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u8a2a\u554f\u5c0d\u8c61\u7684\u5c6c\u6027\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-3444","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-Ty","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3444","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=3444"}],"version-history":[{"count":2,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3444\/revisions"}],"predecessor-version":[{"id":12831,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3444\/revisions\/12831"}],"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=3444"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3444"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}