{"id":3094,"date":"2025-05-31T16:52:43","date_gmt":"2025-06-04T08:56:43","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3094"},"modified":"2025-06-04T16:52:43","modified_gmt":"2025-06-04T08:56:43","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84setattr%e5%87%bd%e6%95%b8-2","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%b8-2\/","title":{"rendered":"2025 \u5b8c\u6574\u6307\u5357\uff1a\u6df1\u5165\u4e86\u89e3 Python \u7684 setattr() \u51fd\u6578"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, setattr(), Python \u7a0b\u5f0f\u6559\u5b78, Python \u52d5\u614b\u5c6c\u6027\u8a2d\u5b9a\"><\/p>\n<h1>2025 \u5b8c\u6574\u6307\u5357\uff1a\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\u5141\u8a31\u6211\u5011\u52d5\u614b\u5730\u8a2d\u5b9a\u7269\u4ef6\u7684\u5c6c\u6027\uff0c\u800c\u7121\u9700\u9810\u5148\u5ba3\u544a\u9019\u4e9b\u5c6c\u6027\u3002\u9019\u7a2e\u7279\u6027\u4f7f\u5f97\u6211\u5011\u5728\u958b\u767c\u904e\u7a0b\u4e2d\u80fd\u5920\u66f4\u5177\u5f48\u6027\uff0c\u4fc3\u9032\u4e86\u5275\u9020\u591a\u6a23\u5316\u7684\u7a0b\u5f0f\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2>setattr() \u7684\u8a9e\u6cd5<\/h2>\n<p>`setattr()` \u7684\u57fa\u672c\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\u9019\u662f\u4e00\u500b\u5b57\u4e32\u3002<br \/>\n&#8211; `value`\uff1a\u8981\u8ce6\u4e88\u8a72\u5c6c\u6027\u7684\u503c\uff0c\u53ef\u4ee5\u662f\u4efb\u4f55\u985e\u578b\u3002<\/p>\n<h2>\u4f7f\u7528 setattr() \u7684\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 `setattr()` \u7684\u4f8b\u5b50\uff0c\u5c55\u793a\u5982\u4f55\u70ba\u4e00\u500b\u7269\u4ef6\u52d5\u614b\u6dfb\u52a0\u5c6c\u6027\uff1a<\/p>\n<pre class=\"brush: python\">\nclass Person:\n    pass\n\nperson = Person()\n\n# \u52d5\u614b\u8a2d\u5b9a person \u7269\u4ef6\u7684 name \u548c age \u5c6c\u6027\nsetattr(person, 'name', 'John')\nsetattr(person, 'age', 20)\n\n# \u53d6\u5f97\u4e26\u5370\u51fa person \u7269\u4ef6\u7684 name \u548c age \u5c6c\u6027\nprint(getattr(person, 'name'))  # \u8f38\u51fa: John\nprint(getattr(person, 'age'))   # \u8f38\u51fa: 20\n<\/pre>\n<p>\u5728\u4e0a\u8ff0\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5b9a\u7fa9\u4e86\u4e00\u500b\u7a7a\u7684 `Person` \u985e\u5225\uff0c\u7136\u5f8c\u5275\u5efa\u4e86\u4e00\u500b `person` \u7269\u4ef6\u3002\u4f7f\u7528 `setattr()` \u6211\u5011\u70ba `person` \u7269\u4ef6\u52d5\u614b\u5730\u6dfb\u52a0\u4e86 `name` \u548c `age` \u5c6c\u6027\uff0c\u4e26\u7528 `getattr()` \u53d6\u5f97\u9019\u4e9b\u5c6c\u6027\u7684\u503c\u3002<\/p>\n<h2>\u5e38\u898b\u932f\u8aa4\u6392\u9664<\/h2>\n<p>1. **\u5c6c\u6027\u540d\u7a31\u932f\u8aa4**\uff1a\u78ba\u4fdd\u5728\u4f7f\u7528 `getattr()` \u6642\uff0c\u5c6c\u6027\u540d\u7a31\u8207\u4f7f\u7528 `setattr()` \u6642\u4e00\u81f4\u3002<br \/>\n2. **\u7269\u4ef6\u672a\u5b9a\u7fa9**\uff1a\u5728\u547c\u53eb `setattr()` \u4e4b\u524d\uff0c\u5fc5\u9808\u78ba\u4fdd\u7269\u4ef6\u5df2\u7d93\u6b63\u78ba\u5275\u5efa\u3002<\/p>\n<h2>\u5ef6\u4f38\u61c9\u7528<\/h2>\n<p>`setattr()` \u51fd\u6578\u4e0d\u50c5\u9069\u7528\u65bc\u7c21\u55ae\u7684\u5c6c\u6027\u8a2d\u5b9a\uff0c\u9084\u53ef\u4ee5\u7528\u65bc\u66f4\u8907\u96dc\u7684\u61c9\u7528\uff0c\u4f8b\u5982\u5728\u8cc7\u6599\u6a21\u578b\u4e2d\u52d5\u614b\u589e\u52a0\u5c6c\u6027\uff0c\u6216\u5728\u8655\u7406 JSON \u7269\u4ef6\u6642\u8f49\u63db\u8cc7\u6599\u7d50\u69cb\u3002\u6b64\u5916\uff0c\u7d50\u5408 `getattr()` \u548c `setattr()` \u53ef\u4ee5\u7528\u65bc\u5275\u5efa\u9748\u6d3b\u7684\u8cc7\u6599\u5b58\u53d6\u65b9\u6cd5\u3002<\/p>\n<p>\u82e5\u4f60\u60f3\u9032\u4e00\u6b65\u4e86\u89e3 `setattr()` \u7684\u4f7f\u7528\uff0c\u53ef\u4ee5\u53c3\u8003 [Python \u5b98\u65b9\u6587\u4ef6](https:\/\/docs.python.org\/3\/library\/functions.html#setattr)\u3002<\/p>\n<h2>\u7d50\u8a9e<\/h2>\n<p>\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u6df1\u5165\u63a2\u8a0e\u4e86 Python \u7684 `setattr()` \u51fd\u6578\uff0c\u4e86\u89e3\u4e86\u5b83\u7684\u8a9e\u6cd5\u53ca\u61c9\u7528\u7bc4\u4f8b\u3002\u9019\u9805\u6280\u8853\u80fd\u63d0\u5347\u4f60\u7684 Python \u958b\u767c\u80fd\u529b\uff0c\u8b93\u4f60\u7684\u7a0b\u5f0f\u78bc\u66f4\u52a0\u9748\u6d3b\u8207\u9ad8\u6548\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u82e5\u4f60\u6709\u8208\u8da3\u9032\u4e00\u6b65\u5b78\u7fd2 Python \u7684\u5176\u4ed6\u529f\u80fd\u8207\u7279\u6027\uff0c\u5efa\u8b70\u53c3\u8003\u9019\u7bc7[Python \u7a0b\u5f0f\u8a2d\u8a08\u7684\u6700\u4f73\u5be6\u8e10](https:\/\/vocus.cc\/article\/60b1e5f6a7a5a40001ad4e0b)\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<p>**Q1: `setattr()` \u662f\u5426\u53ef\u4ee5\u8a2d\u5b9a\u79c1\u6709\u5c6c\u6027\uff1f**<br \/>\nA1: \u662f\u7684\uff0c`setattr()` \u53ef\u4ee5\u8a2d\u5b9a\u79c1\u6709\u5c6c\u6027\uff0c\u4f46\u9700\u6ce8\u610f\u79c1\u6709\u5c6c\u6027\u5728 Python \u4e2d\u4ee5\u96d9\u4e0b\u5283\u7dda\uff08__\uff09\u958b\u982d\uff0c\u9019\u6703\u5f71\u97ff\u5176\u8a2a\u554f\u65b9\u5f0f\u3002<\/p>\n<p>**Q2: `setattr()` \u548c `getattr()` \u6709\u4f55\u5340\u5225\uff1f**<br \/>\nA2: `setattr()` \u7528\u65bc\u8a2d\u5b9a\u7269\u4ef6\u7684\u5c6c\u6027\uff0c\u800c `getattr()` \u5247\u7528\u65bc\u7372\u53d6\u7269\u4ef6\u7684\u5c6c\u6027\u503c\u3002\u5169\u8005\u5e38\u642d\u914d\u4f7f\u7528\u4ee5\u52d5\u614b\u7ba1\u7406\u7269\u4ef6\u5c6c\u6027\u3002<\/p>\n<p>**Q3: \u4f7f\u7528 `setattr()` \u6703\u5f71\u97ff\u539f\u6709\u5c6c\u6027\u7684\u503c\u55ce\uff1f**<br \/>\nA3: \u5982\u679c\u6307\u5b9a\u7684\u5c6c\u6027\u540d\u7a31\u5df2\u5b58\u5728\u65bc\u7269\u4ef6\u4e2d\uff0c`setattr()` \u6703\u8986\u84cb\u539f\u6709\u5c6c\u6027\u7684\u503c\uff1b\u5982\u679c\u5c6c\u6027\u540d\u7a31\u4e0d\u5b58\u5728\uff0c\u5247\u6703\u5275\u5efa\u65b0\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-3094","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-NU","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3094","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=3094"}],"version-history":[{"count":2,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3094\/revisions"}],"predecessor-version":[{"id":12933,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3094\/revisions\/12933"}],"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=3094"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3094"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3094"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}