{"id":3510,"date":"2025-05-29T14:33:10","date_gmt":"2025-06-04T07:28:09","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3510"},"modified":"2025-06-04T14:33:10","modified_gmt":"2025-06-04T07:28:09","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84setattr%e5%87%bd%e6%95%b8%e5%8a%9f%e8%83%bd%e5%8f%8a%e5%85%b6%e5%84%aa%e5%8b%a2","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84setattr%e5%87%bd%e6%95%b8%e5%8a%9f%e8%83%bd%e5%8f%8a%e5%85%b6%e5%84%aa%e5%8b%a2\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u7684 setattr() \u51fd\u6578\uff1a\u529f\u80fd\u3001\u7bc4\u4f8b\u8207\u6700\u4f73\u5be6\u8e10\uff082025 \u66f4\u65b0\u7248\uff09"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, setattr(), Python \u6559\u5b78, Python \u52d5\u614b\u5c6c\u6027\u8a2d\u5b9a\"><\/p>\n<h1>\u6df1\u5165\u4e86\u89e3 Python \u7684 setattr() \u51fd\u6578<\/h1>\n<p>\u5728 Python \u4e2d\uff0c`setattr()` \u51fd\u6578\u662f\u4e00\u500b\u975e\u5e38\u5f37\u5927\u7684\u5de5\u5177\uff0c\u5b83\u5141\u8a31\u6211\u5011\u52d5\u614b\u5730\u8a2d\u5b9a\u7269\u4ef6\u7684\u5c6c\u6027\uff0c\u800c\u7121\u9700\u5728\u7269\u4ef6\u88ab\u5275\u5efa\u6642\u9810\u5148\u5ba3\u544a\u9019\u4e9b\u5c6c\u6027\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u7a0b\u5f0f\u78bc\u7684\u9748\u6d3b\u6027\uff0c\u9084\u80fd\u4f7f\u6211\u5011\u66f4\u8f15\u9b06\u5730\u64cd\u4f5c\u7269\u4ef6\u3002<\/p>\n<h2>setattr() \u51fd\u6578\u7684\u8a9e\u6cd5<\/h2>\n<p>`setattr()` \u51fd\u6578\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre class=\"brush: python\">\nsetattr(object, name, value)\n<\/pre>\n<p>&#8211; `object`\uff1a\u8981\u8a2d\u5b9a\u5c6c\u6027\u7684\u7269\u4ef6\u3002<br \/>\n&#8211; `name`\uff1a\u8981\u8a2d\u5b9a\u7684\u5c6c\u6027\u540d\u7a31\uff0c\u5fc5\u9808\u662f\u5b57\u4e32\u683c\u5f0f\u3002<br \/>\n&#8211; `value`\uff1a\u8981\u8a2d\u5b9a\u7684\u5c6c\u6027\u503c\uff0c\u53ef\u4ee5\u662f\u4efb\u4f55\u8cc7\u6599\u578b\u5225\u3002<\/p>\n<h2>setattr() \u51fd\u6578\u7684\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 `setattr()` \u51fd\u6578\u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u52d5\u614b\u5730\u70ba\u7269\u4ef6\u8a2d\u5b9a\u5c6c\u6027\uff1a<\/p>\n<pre class=\"brush: python\">\nclass Person:\n    pass\n\nperson = Person()\n\n# \u4f7f\u7528 setattr() \u8a2d\u5b9a person \u7269\u4ef6\u7684 name \u5c6c\u6027\nsetattr(person, 'name', 'John')\n\n# \u4f7f\u7528 setattr() \u8a2d\u5b9a person \u7269\u4ef6\u7684 age \u5c6c\u6027\nsetattr(person, 'age', 20)\n\n# \u5370\u51fa person \u7269\u4ef6\u7684 name \u5c6c\u6027\nprint(person.name)  # \u8f38\u51fa\uff1aJohn\n\n# \u5370\u51fa person \u7269\u4ef6\u7684 age \u5c6c\u6027\nprint(person.age)   # \u8f38\u51fa\uff1a20\n<\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b `Person` \u985e\u5225\uff0c\u4e26\u4f7f\u7528 `setattr()` \u51fd\u6578\u52d5\u614b\u5730\u8a2d\u5b9a\u4e86 `person` \u7269\u4ef6\u7684 `name` \u548c `age` \u5c6c\u6027\uff0c\u800c\u7121\u9700\u5728\u5b9a\u7fa9 `Person` \u985e\u5225\u6642\u9810\u5148\u5ba3\u544a\u9019\u4e9b\u5c6c\u6027\u3002<\/p>\n<h2>\u932f\u8aa4\u6392\u9664\u8207\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 `setattr()` \u51fd\u6578\u6642\uff0c\u60a8\u53ef\u80fd\u6703\u9047\u5230\u4ee5\u4e0b\u5e38\u898b\u554f\u984c\uff1a<\/p>\n<p>&#8211; **\u5c6c\u6027\u540d\u7a31\u932f\u8aa4**\uff1a\u78ba\u4fdd\u60a8\u63d0\u4f9b\u7684\u5c6c\u6027\u540d\u7a31\u6b63\u78ba\uff0c\u4e26\u4e14\u662f\u5b57\u4e32\u683c\u5f0f\u3002<br \/>\n&#8211; **\u7269\u4ef6\u672a\u5b9a\u7fa9**\uff1a\u5728\u547c\u53eb `setattr()` \u4e4b\u524d\uff0c\u5fc5\u9808\u78ba\u4fdd\u8a72\u7269\u4ef6\u5df2\u7d93\u5be6\u4f8b\u5316\u3002<br \/>\n&#8211; **\u4e0d\u53ef\u8b8a\u985e\u578b**\uff1a\u67d0\u4e9b\u985e\u578b\uff08\u4f8b\u5982\u5143\u7d44\uff09\u7121\u6cd5\u52d5\u614b\u589e\u52a0\u5c6c\u6027\uff0c\u8acb\u6aa2\u67e5\u5c0d\u8c61\u7684\u985e\u578b\u662f\u5426\u652f\u6301\u6b64\u64cd\u4f5c\u3002<\/p>\n<h2>\u5ef6\u4f38\u61c9\u7528<\/h2>\n<p>`setattr()` \u51fd\u6578\u5728\u8a31\u591a\u60c5\u6cc1\u4e0b\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\uff1a<\/p>\n<p>&#8211; **\u52d5\u614b\u751f\u6210\u985e\u5225\u5c6c\u6027**\uff1a\u5728\u8655\u7406\u8cc7\u6599\u6642\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u6839\u64da\u5916\u90e8\u8cc7\u6599\u52d5\u614b\u751f\u6210\u7269\u4ef6\u5c6c\u6027\u3002<br \/>\n&#8211; **\u8207 JSON \u6578\u64da\u7d50\u5408\u4f7f\u7528**\uff1a\u5982\u679c\u60a8\u5f9e JSON \u89e3\u6790\u8cc7\u6599\u4e26\u5e0c\u671b\u5c07\u5176\u8f49\u63db\u70ba\u7269\u4ef6\uff0c`setattr()` \u53ef\u4ee5\u5e6b\u52a9\u60a8\u8f15\u9b06\u5730\u5c07\u9019\u4e9b\u8cc7\u6599\u6620\u5c04\u5230\u7269\u4ef6\u5c6c\u6027\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>Python \u7684 `setattr()` \u51fd\u6578\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u63d0\u9ad8\u7a0b\u5f0f\u7684\u9748\u6d3b\u6027\u548c\u53ef\u8b80\u6027\u3002\u900f\u904e\u5b83\uff0c\u60a8\u53ef\u4ee5\u5728\u904b\u884c\u6642\u6839\u64da\u9700\u8981\u52d5\u614b\u8a2d\u5b9a\u7269\u4ef6\u5c6c\u6027\uff0c\u9019\u5927\u5927\u64f4\u5c55\u4e86 Python \u7684\u61c9\u7528\u7bc4\u570d\u3002<\/p>\n<p>\u60f3\u8981\u6df1\u5165\u4e86\u89e3\u66f4\u591a Python \u7684\u4f7f\u7528\u6280\u5de7\uff0c\u60a8\u53ef\u4ee5\u53c3\u8003 [\u9019\u7bc7\u6559\u5b78\u6587\u7ae0](https:\/\/vocus.cc\/article\/645e4611fd897800016b7a45) \u4f86\u64f4\u5c55\u60a8\u7684\u77e5\u8b58\u3002<\/p>\n<h2>\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff08Q&#038;A\uff09<\/h2>\n<h3>1. \u80fd\u5426\u4f7f\u7528 setattr() \u8a2d\u5b9a\u79c1\u6709\u5c6c\u6027\uff1f<\/h3>\n<p>\u662f\u7684\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 `setattr()` \u8a2d\u5b9a\u79c1\u6709\u5c6c\u6027\uff0c\u96d6\u7136\u9019\u6a23\u505a\u53ef\u80fd\u6703\u9055\u53cd\u5c01\u88dd\u539f\u5247\u3002\u79c1\u6709\u5c6c\u6027\u7684\u540d\u7a31\u901a\u5e38\u4ee5\u96d9\u4e0b\u5283\u7dda\u958b\u982d\uff0c\u4f8b\u5982 `__name`\u3002<\/p>\n<h3>2. \u4f7f\u7528 setattr() \u8a2d\u5b9a\u5c6c\u6027\u5f8c\uff0c\u5982\u4f55\u53d6\u5f97\u8a72\u5c6c\u6027\u503c\uff1f<\/h3>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528 `getattr()` \u51fd\u6578\u4f86\u53d6\u5f97\u8a2d\u5b9a\u7684\u5c6c\u6027\u503c\uff0c\u8a9e\u6cd5\u70ba `getattr(object, name)`\u3002<\/p>\n<h3>3. setattr() \u51fd\u6578\u6709\u4ec0\u9ebc\u9650\u5236\uff1f<\/h3>\n<p>`setattr()` \u51fd\u6578\u4e3b\u8981\u7684\u9650\u5236\u662f\u60a8\u4e0d\u80fd\u8a2d\u5b9a\u985e\u5225\u7684\u7279\u6b8a\u5c6c\u6027\uff08\u5982 `__init__`\u3001`__str__` \u7b49\uff09\uff0c\u9019\u4e9b\u5c6c\u6027\u9700\u8981\u5728\u985e\u5225\u5b9a\u7fa9\u6642\u9032\u884c\u521d\u59cb\u5316\u6216\u8a2d\u5b9a\u3002<br \/>\n&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Python\u4e2d\u7684setattr()\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u8b93\u4f60\u8a2d\u7f6e\u7269\u4ef6\u7684\u5c6c\u6027\uff0c\u4e26\u63d0\u4f9b\u4e00\u500b\u7c21\u55ae\u7684\u65b9\u6cd5\u4f86\u52d5\u614b\u5730\u6539\u8b8a\u7269\u4ef6\u7684\u5c6c\u6027\u3002\u5b83\u53ef\u4ee5\u8b93\u4f60\u66f4\u6709\u6548\u7387\u5730\u64cd\u4f5c\u7269\u4ef6\uff0c\u4e26\u63d0\u4f9b\u66f4\u591a\u7684\u5f48\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-3510","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-UC","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3510","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=3510"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3510\/revisions"}],"predecessor-version":[{"id":3511,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3510\/revisions\/3511"}],"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=3510"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3510"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}