{"id":3158,"date":"2025-05-29T15:53:44","date_gmt":"2025-06-04T08:45:44","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3158"},"modified":"2025-06-04T15:53:44","modified_gmt":"2025-06-04T08:45:44","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84setattr%e5%87%bd%e6%95%b8-3","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%b8-3\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u7684 setattr() \u51fd\u6578 &#8211; 2025 \u6700\u65b0\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, setattr(), Python \u7a0b\u5f0f\u6559\u5b78, Python \u7269\u4ef6\u5c0e\u5411\"><\/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\u5f37\u5927\u7684\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u8b93\u6211\u5011\u52d5\u614b\u5730\u8a2d\u5b9a\u7269\u4ef6\u7684\u5c6c\u6027\uff0c\u800c\u4e0d\u9700\u8981\u9810\u5148\u5ba3\u544a\u9019\u4e9b\u5c6c\u6027\u3002\u9019\u9805\u529f\u80fd\u4e0d\u50c5\u63d0\u9ad8\u4e86\u7a0b\u5f0f\u78bc\u7684\u5f48\u6027\uff0c\u9084\u4f7f\u7269\u4ef6\u7684\u64cd\u4f5c\u8b8a\u5f97\u66f4\u52a0\u65b9\u4fbf\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**: \u8981\u8a2d\u5b9a\u5c6c\u6027\u7684\u7269\u4ef6\u3002<br \/>\n&#8211; **name**: \u8981\u8a2d\u5b9a\u7684\u5c6c\u6027\u540d\u7a31\uff0c\u901a\u5e38\u662f\u5b57\u4e32\u683c\u5f0f\u3002<br \/>\n&#8211; **value**: \u8981\u8a2d\u5b9a\u7684\u5c6c\u6027\u503c\uff0c\u53ef\u4ee5\u662f\u4efb\u610f\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\uff1a<\/p>\n<pre class=\"brush: python\">\nclass Person:\n    pass\n\nperson = Person()\n\n# \u8a2d\u5b9a person \u7269\u4ef6\u7684 name \u5c6c\u6027\nsetattr(person, 'name', 'John')\n\n# \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: John\n\n# \u5370\u51fa person \u7269\u4ef6\u7684 age \u5c6c\u6027\nprint(person.age)   # \u8f38\u51fa: 20\n<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 `setattr()` \u51fd\u6578\u52d5\u614b\u5730\u70ba `person` \u7269\u4ef6\u8a2d\u5b9a\u4e86 `name` \u548c `age` \u5c6c\u6027\uff0c\u800c\u4e0d\u9700\u4e8b\u5148\u5ba3\u544a\u9019\u4e9b\u5c6c\u6027\u3002<\/p>\n<h2>\u932f\u8aa4\u6392\u9664<\/h2>\n<p>\u5728\u4f7f\u7528 `setattr()` \u6642\uff0c\u5e38\u898b\u7684\u932f\u8aa4\u5305\u62ec\uff1a<br \/>\n1. **AttributeError**: \u8a72\u7269\u4ef6\u4e0d\u652f\u63f4\u8a72\u5c6c\u6027\u3002\u78ba\u4fdd\u7269\u4ef6\u985e\u5225\u6b63\u78ba\u5b9a\u7fa9\u3002<br \/>\n2. **TypeError**: `name` \u53c3\u6578\u5fc5\u9808\u662f\u5b57\u4e32\u3002\u5982\u679c\u50b3\u5165\u5176\u4ed6\u8cc7\u6599\u578b\u5225\uff0c\u5c07\u6703\u5f15\u767c\u932f\u8aa4\u3002<\/p>\n<h2>\u5ef6\u4f38\u61c9\u7528<\/h2>\n<p>`setattr()` \u51fd\u6578\u5728\u8a31\u591a\u60c5\u6cc1\u4e0b\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\uff1a<br \/>\n&#8211; **\u52d5\u614b\u751f\u6210\u8cc7\u6599\u6a21\u578b**: \u5728\u8655\u7406 JSON \u6216\u52d5\u614b\u8cc7\u6599\u6642\uff0c\u53ef\u4ee5\u8f15\u9b06\u5730\u900f\u904e `setattr()` \u8a2d\u5b9a\u5c6c\u6027\u3002<br \/>\n&#8211; **ORM \u6846\u67b6**: \u5728\u7269\u4ef6\u95dc\u806f\u6620\u5c04\u4e2d\uff0c\u52d5\u614b\u8a2d\u5b9a\u5c6c\u6027\u53ef\u7c21\u5316\u8cc7\u6599\u5eab\u64cd\u4f5c\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u5982\u679c\u60a8\u60f3\u9032\u4e00\u6b65\u5b78\u7fd2 Python \u7269\u4ef6\u5c0e\u5411\u7a0b\u5f0f\u8a2d\u8a08\u7684\u6700\u4f73\u5be6\u8e10\uff0c\u8acb\u53c3\u8003\u9019\u7bc7\u6587\u7ae0\uff1a[Python \u7269\u4ef6\u5c0e\u5411\u7a0b\u5f0f\u8a2d\u8a08\u6559\u5b78](https:\/\/vocus.cc\/article\/your-article-url)\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>`setattr()` \u51fd\u6578\u662f Python \u4e2d\u4e00\u500b\u6975\u5177\u5f48\u6027\u7684\u7279\u6027\uff0c\u80fd\u5920\u8b93\u6211\u5011\u5728\u904b\u884c\u6642\u52d5\u614b\u8a2d\u5b9a\u7269\u4ef6\u7684\u5c6c\u6027\u3002\u9019\u4e0d\u50c5\u4f7f\u5f97\u7a0b\u5f0f\u78bc\u66f4\u52a0\u9748\u6d3b\uff0c\u4e5f\u8b93\u7269\u4ef6\u7684\u64cd\u4f5c\u8b8a\u5f97\u66f4\u52a0\u4fbf\u5229\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<p>**Q1: `setattr()` \u53ef\u4ee5\u8a2d\u5b9a\u54ea\u4e9b\u985e\u578b\u7684\u5c6c\u6027\uff1f**<br \/>\nA1: `setattr()` \u53ef\u4ee5\u8a2d\u5b9a\u4efb\u4f55\u985e\u578b\u7684\u5c6c\u6027\uff0c\u5305\u62ec\u5b57\u4e32\u3001\u6574\u6578\u3001\u5217\u8868\u3001\u5b57\u5178\u7b49\uff0c\u53ea\u8981\u9019\u4e9b\u5c6c\u6027\u5728\u7269\u4ef6\u7684\u4e0a\u4e0b\u6587\u4e2d\u662f\u5408\u7406\u7684\u3002<\/p>\n<p>**Q2: \u4f7f\u7528 `setattr()` \u662f\u5426\u6703\u5f71\u97ff\u6027\u80fd\uff1f**<br \/>\nA2: \u5728\u5927\u591a\u6578\u60c5\u6cc1\u4e0b\uff0c`setattr()` \u5c0d\u6027\u80fd\u7684\u5f71\u97ff\u662f\u5fae\u4e4e\u5176\u5fae\u7684\uff0c\u4f46\u5728\u5927\u91cf\u7269\u4ef6\u6216\u9ad8\u6027\u80fd\u9700\u6c42\u7684\u61c9\u7528\u4e2d\uff0c\u5efa\u8b70\u9032\u884c\u6027\u80fd\u8a55\u4f30\u3002<\/p>\n<p>**Q3: \u5982\u4f55\u4f7f\u7528 `setattr()` \u4f86\u522a\u9664\u5c6c\u6027\uff1f**<br \/>\nA3: `setattr()` \u672c\u8eab\u7121\u6cd5\u522a\u9664\u5c6c\u6027\uff0c\u4f46\u53ef\u4ee5\u914d\u5408 `del` \u95dc\u9375\u5b57\u4f7f\u7528\uff0c\u4f8b\u5982\uff1a`delattr(object, &#8216;attribute_name&#8217;)` \u4f86\u522a\u9664\u6307\u5b9a\u7684\u5c6c\u6027\u3002<\/p>\n<p>&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>setattr()\u51fd\u6578\u662fPython\u4e2d\u7684\u4e00\u500b\u5167\u7f6e\u51fd\u6578\uff0c\u53ef\u4ee5\u7528\u4f86\u8a2d\u7f6e\u5c0d\u8c61\u7684\u5c6c\u6027\u503c\u3002\u672c\u6587\u5c07\u4ecb\u7d39setattr()\u51fd\u6578\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u4ee5\u53ca\u5b83\u5982\u4f55\u5e6b\u52a9\u4f60\u66f4\u6709\u6548\u5730\u7ba1\u7406\u5c0d\u8c61\u7684\u5c6c\u6027\u503c\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-3158","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-OW","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3158","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=3158"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3158\/revisions"}],"predecessor-version":[{"id":3159,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3158\/revisions\/3159"}],"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=3158"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3158"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}