{"id":3262,"date":"2025-06-03T15:27:19","date_gmt":"2025-06-04T08:26:18","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3262"},"modified":"2025-06-04T15:27:19","modified_gmt":"2025-06-04T08:26:18","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84self%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%84self%e5%87%bd%e6%95%b8\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 self \u53c3\u6578\uff1a2025 \u6700\u65b0\u6559\u5b78"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, self, self \u53c3\u6578, Python \u6559\u5b78\"><\/p>\n<h1>\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 self \u53c3\u6578<\/h1>\n<p>\u5728 Python \u4e2d\uff0c`self` \u662f\u4e00\u500b\u7279\u6b8a\u7684\u53c3\u6578\uff0c\u5c0d\u65bc\u7406\u89e3\u7269\u4ef6\u5c0e\u5411\u7a0b\u5f0f\u8a2d\u8a08\u81f3\u95dc\u91cd\u8981\u3002\u6bcf\u7576\u4f60\u5728\u985e\u5225\u4e2d\u5b9a\u7fa9\u4e00\u500b\u65b9\u6cd5\u6642\uff0cPython \u90fd\u6703\u81ea\u52d5\u50b3\u5165 `self` \u53c3\u6578\uff0c\u9019\u4f7f\u4f60\u80fd\u5920\u8a2a\u554f\u7269\u4ef6\u7684\u5c6c\u6027\u548c\u65b9\u6cd5\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u63a2\u8a0e `self` \u7684\u7528\u6cd5\u3001\u512a\u9ede\u53ca\u5be6\u4f5c\u7bc4\u4f8b\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2>self \u53c3\u6578\u7684\u4f7f\u7528<\/h2>\n<p>`self` \u53c3\u6578\u662f\u4e00\u500b\u4f54\u4f4d\u7b26\uff0c\u4ee3\u8868\u5c0d\u7576\u524d\u7269\u4ef6\u7684\u5f15\u7528\u3002\u4e0b\u9762\u7684\u7bc4\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528 `self` \u4f86\u5b9a\u7fa9\u548c\u8a2a\u554f\u7269\u4ef6\u7684\u5c6c\u6027\uff1a<\/p>\n<p>&#8220;`python<br \/>\nclass MyClass:<br \/>\n    def __init__(self, name, age):<br \/>\n        self.name = name<br \/>\n        self.age = age<\/p>\n<p>    def say_hello(self):<br \/>\n        print(f&#8217;Hello, my name is {self.name} and I am {self.age} years old.&#8217;)<\/p>\n<p># \u5275\u5efa\u7269\u4ef6\u4e26\u8abf\u7528\u65b9\u6cd5<br \/>\nmy_object = MyClass(&#8216;John&#8217;, 30)<br \/>\nmy_object.say_hello()<br \/>\n&#8220;`<\/p>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba `MyClass` \u7684\u985e\u5225\uff0c\u5176\u5efa\u69cb\u5b50 `__init__` \u6703\u63a5\u53d7 `name` \u548c `age` \u5169\u500b\u53c3\u6578\u3002\u900f\u904e `self`\uff0c\u6211\u5011\u53ef\u4ee5\u5c07\u9019\u4e9b\u53c3\u6578\u5b58\u5132\u70ba\u7269\u4ef6\u7684\u5c6c\u6027\uff0c\u4e26\u5728 `say_hello` \u65b9\u6cd5\u4e2d\u8a2a\u554f\u5b83\u5011\u3002<\/p>\n<h2>self \u53c3\u6578\u7684\u512a\u9ede<\/h2>\n<p>\u4f7f\u7528 `self` \u53c3\u6578\u7684\u512a\u9ede\u5305\u62ec\uff1a<\/p>\n<p>1. **\u7c21\u5316\u7a0b\u5f0f\u78bc**\uff1a\u4f60\u4e0d\u9700\u8981\u5728\u6bcf\u500b\u65b9\u6cd5\u4e2d\u50b3\u905e\u7269\u4ef6\u672c\u8eab\uff0c\u9019\u4f7f\u5f97\u7a0b\u5f0f\u78bc\u66f4\u7c21\u6f54\u3001\u66f4\u6613\u65bc\u7dad\u8b77\u3002<br \/>\n2. **\u6e05\u6670\u7684\u4e0a\u4e0b\u6587**\uff1a`self` \u660e\u78ba\u8868\u793a\u7576\u524d\u7269\u4ef6\uff0c\u9019\u6709\u52a9\u65bc\u63d0\u9ad8\u53ef\u8b80\u6027\uff0c\u7279\u5225\u662f\u5728\u8907\u96dc\u7684\u985e\u5225\u4e2d\u3002<br \/>\n3. **\u652f\u6301\u591a\u500b\u65b9\u6cd5**\uff1a\u4f60\u53ef\u4ee5\u5728\u985e\u5225\u4e2d\u5b9a\u7fa9\u591a\u500b\u65b9\u6cd5\uff0c\u6240\u6709\u65b9\u6cd5\u90fd\u53ef\u4ee5\u4f7f\u7528 `self` \u4f86\u8a2a\u554f\u76f8\u540c\u7684\u7269\u4ef6\u5c6c\u6027\u3002<\/p>\n<h2>\u932f\u8aa4\u6392\u9664<\/h2>\n<p>\u5728\u4f7f\u7528 `self` \u6642\uff0c\u4f60\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u5e38\u898b\u932f\u8aa4\uff1a<\/p>\n<p>&#8211; **\u672a\u50b3\u905e `self`**\uff1a\u5982\u679c\u5728\u985e\u5225\u65b9\u6cd5\u4e2d\u672a\u6b63\u78ba\u4f7f\u7528 `self`\uff0c\u5c07\u5c0e\u81f4\u932f\u8aa4\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u5c07\u5831\u932f\uff1a<\/p>\n<p>&#8220;`python<br \/>\nclass MyClass:<br \/>\n    def say_hello():<br \/>\n        print(f&#8217;Hello, my name is {self.name}.&#8217;)  # \u9019\u88e1\u6703\u5831\u932f<br \/>\n&#8220;`<\/p>\n<p>&#8211; **\u540d\u7a31\u885d\u7a81**\uff1a\u78ba\u4fdd\u4e0d\u5728\u65b9\u6cd5\u4e2d\u4f7f\u7528 `self` \u4f5c\u70ba\u8b8a\u6578\u540d\uff0c\u4ee5\u907f\u514d\u6df7\u6dc6\u3002<\/p>\n<h2>\u5ef6\u4f38\u61c9\u7528<\/h2>\n<p>\u9664\u4e86\u57fa\u672c\u7684\u4f7f\u7528\uff0c`self` \u9084\u53ef\u4ee5\u7528\u65bc\u4ee5\u4e0b\u5834\u5408\uff1a<\/p>\n<p>&#8211; **\u5c6c\u6027\u521d\u59cb\u5316**\uff1a\u900f\u904e `self` \u53ef\u4ee5\u5728\u7269\u4ef6\u5275\u5efa\u6642\u521d\u59cb\u5316\u5c6c\u6027\u3002<br \/>\n&#8211; **\u65b9\u6cd5\u93c8\u63a5**\uff1a\u4f60\u53ef\u4ee5\u5728\u65b9\u6cd5\u4e2d\u8abf\u7528\u5176\u4ed6\u65b9\u6cd5\uff0c\u4f7f\u7528 `self.method_name()` \u7684\u65b9\u5f0f\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>`self` \u662f Python \u7269\u4ef6\u5c0e\u5411\u7a0b\u5f0f\u8a2d\u8a08\u7684\u6838\u5fc3\u6982\u5ff5\uff0c\u4f7f\u7528\u5b83\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u8a2a\u554f\u7269\u4ef6\u7684\u5c6c\u6027\u548c\u65b9\u6cd5\u3002\u7406\u89e3 `self` \u7684\u4f7f\u7528\u5c07\u5e6b\u52a9\u4f60\u7de8\u5beb\u66f4\u6e05\u6670\u548c\u53ef\u7dad\u8b77\u7684\u7a0b\u5f0f\u78bc\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3 Python \u7684\u7269\u4ef6\u5c0e\u5411\u7279\u6027\uff0c\u5efa\u8b70\u53c3\u8003 [\u9019\u88e1\u7684\u6559\u5b78\u6587\u7ae0](https:\/\/vocus.cc\/article\/605f8b3c9d9a4b001c9ec9c4) \u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<p>**Q1: self \u662f\u5426\u53ef\u4ee5\u66f4\u6539\u70ba\u5176\u4ed6\u540d\u7a31\uff1f**<br \/>\nA1: \u96d6\u7136\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u540d\u7a31\uff0c\u4f46\u4e0d\u5efa\u8b70\u9019\u6a23\u505a\uff0c\u56e0\u70ba `self` \u662f Python \u793e\u7fa4\u4e2d\u7d04\u5b9a\u4fd7\u6210\u7684\u6a19\u6e96\uff0c\u4f7f\u7528\u5b83\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5f0f\u78bc\u7684\u53ef\u8b80\u6027\u3002<\/p>\n<p>**Q2: \u70ba\u4ec0\u9ebc\u6709\u6642\u5019\u9700\u8981\u4f7f\u7528\u985e\u5225\u65b9\u6cd5\u800c\u975e\u5be6\u4f8b\u65b9\u6cd5\uff1f**<br \/>\nA2: \u985e\u5225\u65b9\u6cd5\u4e0d\u9700\u8981\u5be6\u4f8b\u5316\u7269\u4ef6\uff0c\u53ef\u4ee5\u76f4\u63a5\u901a\u904e\u985e\u5225\u8abf\u7528\uff0c\u9069\u5408\u7528\u65bc\u8207\u985e\u5225\u672c\u8eab\u76f8\u95dc\u7684\u64cd\u4f5c\uff0c\u800c\u4e0d\u662f\u7279\u5b9a\u65bc\u67d0\u500b\u7269\u4ef6\u7684\u64cd\u4f5c\u3002<\/p>\n<p>**Q3: \u5728\u985e\u5225\u4e2d\u4f7f\u7528 self \u53c3\u6578\u7684\u6700\u4f73\u5be6\u8e10\u662f\u4ec0\u9ebc\uff1f**<br \/>\nA3: \u78ba\u4fdd\u5728\u6240\u6709\u5be6\u4f8b\u65b9\u6cd5\u4e2d\u4f7f\u7528 `self` \u4f86\u5f15\u7528\u7269\u4ef6\u5c6c\u6027\uff0c\u4e26\u9075\u5faa\u4e00\u81f4\u7684\u547d\u540d\u6163\u4f8b\uff0c\u4ee5\u63d0\u9ad8\u7a0b\u5f0f\u78bc\u7684\u53ef\u8b80\u6027\u548c\u7dad\u8b77\u6027\u3002<br \/>\n&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u5c07\u4ecb\u7d39Python\u4e2d\u7684self()\u51fd\u6578\uff0c\u8a73\u7d30\u89e3\u91cb\u5b83\u7684\u529f\u80fd\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u793a\u4f8b\u4f86\u8aaa\u660e\u5982\u4f55\u4f7f\u7528\u5b83\u3002\u6b64\u5916\uff0c\u9084\u5c07\u63d0\u4f9b\u4e00\u4e9b\u6709\u95dcself()\u51fd\u6578\u7684SEO\u512a\u5316\u5efa\u8b70\uff0c\u4ee5\u4fbf\u60a8\u53ef\u4ee5\u66f4\u597d\u5730\u4e86\u89e3\u5b83\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-3262","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-QC","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3262","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=3262"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3262\/revisions"}],"predecessor-version":[{"id":3263,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3262\/revisions\/3263"}],"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=3262"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3262"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3262"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}