{"id":3372,"date":"2025-05-31T15:26:35","date_gmt":"2025-06-04T08:05:35","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3372"},"modified":"2025-06-04T15:26:35","modified_gmt":"2025-06-04T08:05:35","slug":"%e5%ad%b8%e7%bf%92python%e4%b8%ad%e7%9a%84class%e5%87%bd%e6%95%b8-2","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e5%ad%b8%e7%bf%92python%e4%b8%ad%e7%9a%84class%e5%87%bd%e6%95%b8-2\/","title":{"rendered":"2025 \u6700\u65b0 Python Class \u51fd\u6578\u5b8c\u5168\u6307\u5357\uff1a\u5f9e\u5b9a\u7fa9\u5230\u61c9\u7528"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, class, Python \u6559\u5b78, OOP, \u7269\u4ef6\u5c0e\u5411\u7a0b\u5e8f\u8a2d\u8a08\"><\/p>\n<h1>Python \u4e2d\u7684 Class \u5b8c\u5168\u6307\u5357<\/h1>\n<p>\u5728 Python \u4e2d\uff0cClass \u662f\u4e00\u7a2e\u5f37\u5927\u7684\u5c01\u88dd\u65b9\u5f0f\uff0c\u80fd\u5c07\u4e00\u7d44\u76f8\u95dc\u7684\u8b8a\u6578\u548c\u51fd\u5f0f\u7d44\u5408\u5728\u4e00\u8d77\uff0c\u5f62\u6210\u4e00\u500b\u985e\u5225\u3002\u9019\u4e0d\u50c5\u6709\u52a9\u65bc\u7c21\u5316\u8907\u96dc\u7684\u7a0b\u5f0f\u78bc\uff0c\u9084\u4f7f\u5f97\u7a0b\u5f0f\u78bc\u66f4\u6613\u65bc\u95b1\u8b80\u548c\u7dad\u8b77\u3002\u96a8\u8457 Python \u8a9e\u8a00\u7684\u767c\u5c55\uff0c\u4f7f\u7528 Class \u7684\u6700\u4f73\u5be6\u8e10\u4e5f\u5728\u4e0d\u65b7\u6f14\u9032\uff0c\u9019\u7bc7\u6587\u7ae0\u5c07\u70ba\u60a8\u4ecb\u7d39 2025 \u6700\u65b0\u7684\u8a9e\u6cd5\u53ca\u4f7f\u7528\u6280\u5de7\u3002<\/p>\n<h2>\u4ec0\u9ebc\u662f Class\uff1f<\/h2>\n<p>Class \u662f\u7269\u4ef6\u5c0e\u5411\u7a0b\u5e8f\u8a2d\u8a08\uff08OOP\uff09\u7684\u6838\u5fc3\u6982\u5ff5\u4e4b\u4e00\u3002\u900f\u904e Class\uff0c\u60a8\u53ef\u4ee5\u5275\u5efa\u5177\u5099\u7279\u5b9a\u5c6c\u6027\uff08attributes\uff09\u548c\u884c\u70ba\uff08methods\uff09\u7684\u7269\u4ef6\uff08objects\uff09\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5b9a\u7fa9\u4e00\u500b\u985e\u5225\u4f86\u8868\u793a\u300c\u8eca\u8f1b\u300d\uff0c\u5176\u5c6c\u6027\u5305\u62ec\u984f\u8272\u548c\u578b\u865f\uff0c\u800c\u884c\u70ba\u5247\u5305\u62ec\u52a0\u901f\u548c\u715e\u8eca\u3002<\/p>\n<h2>\u5b9a\u7fa9 Class<\/h2>\n<p>\u5728 Python \u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 `class` \u95dc\u9375\u5b57\u4f86\u5b9a\u7fa9\u4e00\u500b Class\u3002\u4ee5\u4e0b\u662f\u5b9a\u7fa9\u4e00\u500b\u57fa\u672c Class \u7684\u7bc4\u4f8b\uff1a<\/p>\n<p>&#8220;`python<br \/>\nclass MyClass:<br \/>\n    pass<br \/>\n&#8220;`<\/p>\n<p>\u4e0a\u8ff0\u7a0b\u5f0f\u78bc\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba `MyClass` \u7684 Class\uff0c\u8a72 Class \u76ee\u524d\u6c92\u6709\u4efb\u4f55\u5c6c\u6027\u6216\u65b9\u6cd5\u3002<\/p>\n<h2>\u5efa\u7acb\u7269\u4ef6<\/h2>\n<p>\u4e00\u65e6\u60a8\u5b9a\u7fa9\u4e86 Class\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u5b83\u4f86\u5efa\u7acb\u7269\u4ef6\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5275\u5efa\u7269\u4ef6\u7684\u7bc4\u4f8b\uff1a<\/p>\n<p>&#8220;`python<br \/>\nobj = MyClass()<br \/>\n&#8220;`<\/p>\n<p>\u5728\u9019\u88e1\uff0c`obj` \u662f `MyClass` \u985e\u5225\u7684\u4e00\u500b\u5be6\u4f8b\u3002<\/p>\n<h2>\u5b9a\u7fa9\u5c6c\u6027\u548c\u65b9\u6cd5<\/h2>\n<p>\u60a8\u53ef\u4ee5\u5728 Class \u4e2d\u5b9a\u7fa9\u5c6c\u6027\u548c\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u5305\u542b\u5c6c\u6027\u548c\u65b9\u6cd5\u7684 Class \u7bc4\u4f8b\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;)<br \/>\n&#8220;`<\/p>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86 `__init__` \u65b9\u6cd5\u4f86\u521d\u59cb\u5316\u5c0d\u8c61\u7684\u5c6c\u6027 `name` \u548c `age`\uff0c\u7136\u5f8c\u5b9a\u7fa9\u4e86\u4e00\u500b\u65b9\u6cd5 `say_hello()` \u4f86\u986f\u793a\u9019\u4e9b\u5c6c\u6027\u3002<\/p>\n<h2>\u4f7f\u7528\u5c6c\u6027\u548c\u65b9\u6cd5<\/h2>\n<p>\u7576\u60a8\u6709\u4e86\u7269\u4ef6\u5f8c\uff0c\u53ef\u4ee5\u8f15\u9b06\u5730\u8a2a\u554f\u5b83\u7684\u5c6c\u6027\u548c\u65b9\u6cd5\uff1a<\/p>\n<p>&#8220;`python<br \/>\nobj = MyClass(&#8220;John&#8221;, 20)<br \/>\nprint(obj.name)  # John<\/p>\n<p>obj.say_hello()  # Hello, my name is John and I am 20 years old.<br \/>\n&#8220;`<\/p>\n<p>\u9019\u6bb5\u7a0b\u5f0f\u78bc\u521d\u59cb\u5316\u4e86\u4e00\u500b `MyClass` \u7684\u7269\u4ef6\uff0c\u7136\u5f8c\u4f7f\u7528\u5176\u5c6c\u6027\u548c\u65b9\u6cd5\u3002<\/p>\n<h2>\u932f\u8aa4\u6392\u9664<\/h2>\n<p>\u5728\u4f7f\u7528 Class \u6642\uff0c\u60a8\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u5e38\u898b\u932f\u8aa4\uff0c\u4f8b\u5982\uff1a<\/p>\n<p>1. **AttributeError**\uff1a\u7576\u60a8\u5617\u8a66\u8a2a\u554f\u4e0d\u5b58\u5728\u7684\u5c6c\u6027\u6642\uff0c\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002<br \/>\n   &#8211; **\u89e3\u6c7a\u65b9\u6848**\uff1a\u6aa2\u67e5\u5c6c\u6027\u540d\u7a31\u662f\u5426\u6b63\u78ba\u62fc\u5beb\uff0c\u4e26\u78ba\u4fdd\u5728 `__init__` \u65b9\u6cd5\u4e2d\u6b63\u78ba\u521d\u59cb\u5316\u3002<\/p>\n<p>2. **TypeError**\uff1a\u7576\u60a8\u5617\u8a66\u5c0d\u4e0d\u517c\u5bb9\u7684\u985e\u578b\u9032\u884c\u64cd\u4f5c\u6642\uff0c\u6703\u5f15\u767c\u6b64\u932f\u8aa4\u3002<br \/>\n   &#8211; **\u89e3\u6c7a\u65b9\u6848**\uff1a\u6aa2\u67e5\u65b9\u6cd5\u4e2d\u4f7f\u7528\u7684\u53c3\u6578\u985e\u578b\u662f\u5426\u6b63\u78ba\u3002<\/p>\n<h2>\u5ef6\u4f38\u61c9\u7528<\/h2>\n<p>Class \u7684\u61c9\u7528\u7bc4\u570d\u975e\u5e38\u5ee3\u6cdb\u3002\u60a8\u53ef\u4ee5\u5229\u7528 Class \u4f86\u8a2d\u8a08\u8907\u96dc\u7684\u61c9\u7528\u7a0b\u5f0f\uff0c\u4f8b\u5982\u904a\u6232\u958b\u767c\u3001\u6578\u64da\u5206\u6790\u53ca\u7db2\u7ad9\u958b\u767c\u7b49\u3002\u7576\u7136\uff0c\u4e86\u89e3\u5982\u4f55\u7e7c\u627f\uff08inheritance\uff09\u3001\u591a\u578b\uff08polymorphism\uff09\u4ee5\u53ca\u5c01\u88dd\uff08encapsulation\uff09\u7b49\u9032\u968e\u6982\u5ff5\u5f8c\uff0c\u60a8\u5c07\u80fd\u5920\u66f4\u6709\u6548\u5730\u4f7f\u7528 Python \u9032\u884c\u7269\u4ef6\u5c0e\u5411\u7a0b\u5f0f\u8a2d\u8a08\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u7684 Python \u6559\u5b78\u8cc7\u6e90\uff0c\u60a8\u53ef\u4ee5\u53c3\u8003\u9019\u7bc7 [Python \u7269\u4ef6\u5c0e\u5411\u7a0b\u5f0f\u8a2d\u8a08\u7684\u57fa\u790e](https:\/\/vocus.cc\/article\/5fdadcb6fd89780001090e45)\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>Python \u4e2d\u7684 Class \u662f\u4e00\u7a2e\u5c01\u88dd\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5c07\u4e00\u7d44\u76f8\u95dc\u7684\u8b8a\u6578\u548c\u51fd\u5f0f\u7d44\u5408\u5728\u4e00\u8d77\uff0c\u5f62\u6210\u4e00\u500b\u985e\u5225\u3002\u900f\u904e\u4f7f\u7528 Class\uff0c\u60a8\u53ef\u4ee5\u5c07\u8907\u96dc\u7684\u7a0b\u5f0f\u78bc\u7c21\u5316\uff0c\u4f7f\u5176\u66f4\u5bb9\u6613\u95b1\u8b80\u548c\u7dad\u8b77\u3002\u96a8\u8457\u5c0d Class \u4f7f\u7528\u7684\u6df1\u5165\u4e86\u89e3\uff0c\u60a8\u5c07\u80fd\u5920\u958b\u767c\u51fa\u66f4\u9748\u6d3b\u548c\u53ef\u7dad\u8b77\u7684\u7a0b\u5f0f\u78bc\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<p>**Q1: Python \u4e2d\u7684 Class \u8207\u7269\u4ef6\u6709\u4ec0\u9ebc\u4e0d\u540c\uff1f**<br \/>\nA1: Class \u662f\u4e00\u500b\u85cd\u5716\u6216\u6a21\u677f\uff0c\u7528\u4f86\u5275\u5efa\u7269\u4ef6\uff1b\u800c\u7269\u4ef6\u662f Class \u7684\u5be6\u4f8b\u3002<\/p>\n<p>**Q2: \u5982\u4f55\u5728 Class \u4e2d\u4f7f\u7528\u7e7c\u627f\uff1f**<br \/>\nA2: \u60a8\u53ef\u4ee5\u5728\u5b9a\u7fa9 Class \u6642\uff0c\u6307\u5b9a\u4e00\u500b\u7236\u985e\u5225\uff0c\u4f8b\u5982\uff1a`class ChildClass(ParentClass):` \u9019\u6a23 `ChildClass` \u5c31\u6703\u7e7c\u627f `ParentClass` \u7684\u5c6c\u6027\u548c\u65b9\u6cd5\u3002<\/p>\n<p>**Q3: Python \u4e2d\u7684 Class \u6709\u54ea\u4e9b\u5e38\u898b\u7528\u9014\uff1f**<br \/>\nA3: Class \u53ef\u7528\u65bc\u5275\u5efa\u904a\u6232\u89d2\u8272\u3001\u6578\u64da\u6a21\u578b\u3001API \u5ba2\u6236\u7aef\u7b49\uff0c\u5e6b\u52a9\u60a8\u7d44\u7e54\u4ee3\u78bc\uff0c\u8b93\u5176\u66f4\u52a0\u6a21\u7d44\u5316\u53ca\u53ef\u91cd\u7528\u3002<br \/>\n&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Class()\u51fd\u6578\u662fPython\u4e2d\u7684\u4e00\u7a2e\u975e\u5e38\u91cd\u8981\u7684\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u5275\u5efa\u81ea\u5b9a\u7fa9\u985e\uff0c\u4e26\u5c07\u5176\u7528\u65bc\u5c0d\u8c61\u5c0e\u5411\u7a0b\u5e8f\u8a2d\u8a08\u3002\u672c\u6587\u5c07\u4ecb\u7d39Class()\u51fd\u6578\u7684\u57fa\u672c\u6982\u5ff5\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u5275\u5efa\u81ea\u5b9a\u7fa9\u985e\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-3372","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-So","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3372","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=3372"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3372\/revisions"}],"predecessor-version":[{"id":3373,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3372\/revisions\/3373"}],"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=3372"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3372"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3372"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}