{"id":3452,"date":"2025-06-01T15:12:01","date_gmt":"2025-06-04T07:42:01","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3452"},"modified":"2025-06-04T15:12:01","modified_gmt":"2025-06-04T07:42:01","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84getstate%e5%87%bd%e6%95%b8%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84getstate%e5%87%bd%e6%95%b8%e5%8a%9f%e8%83%bd\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 `getstate()` \u51fd\u5f0f\uff1a2025 \u6700\u65b0\u6559\u5b78\u8207\u5be6\u4f5c\u7bc4\u4f8b"},"content":{"rendered":"

<\/p>\n

\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 `getstate()` \u51fd\u5f0f<\/h1>\n

\u5728 Python \u4e2d\uff0c`getstate()` \u51fd\u5f0f\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u5de5\u5177\uff0c\u5b83\u80fd\u5920\u8b93\u958b\u767c\u8005\u53d6\u5f97\u7269\u4ef6\u7684\u72c0\u614b\uff0c\u4e26\u5728\u9700\u8981\u6642\u5132\u5b58\u9019\u4e9b\u72c0\u614b\uff0c\u4ee5\u4fbf\u672a\u4f86\u7684\u4f7f\u7528\u3002\u4ee5\u4e0b\uff0c\u6211\u5011\u5c07\u5e36\u60a8\u6df1\u5165\u4e86\u89e3 `getstate()` \u7684\u4f7f\u7528\u65b9\u6cd5\u3001\u5be6\u4f5c\u7bc4\u4f8b\u4ee5\u53ca\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n

\u4ec0\u9ebc\u662f `getstate()` \u51fd\u5f0f\uff1f<\/h2>\n

`getstate()` \u51fd\u5f0f\u662f Python \u4e2d\u4e00\u500b\u7528\u65bc\u5e8f\u5217\u5316\u7269\u4ef6\u72c0\u614b\u7684\u65b9\u6cd5\uff0c\u901a\u5e38\u8207 `setstate()` \u51fd\u5f0f\u4e00\u8d77\u4f7f\u7528\u3002\u9019\u5c0d\u65bc\u9700\u8981\u5c07\u7269\u4ef6\u7684\u72c0\u614b\u5132\u5b58\u5230\u6a94\u6848\u6216\u50b3\u9001\u5230\u7db2\u7d61\u7684\u60c5\u6cc1\u975e\u5e38\u6709\u7528\u3002\u5b83\u4f7f\u5f97\u7269\u4ef6\u7684\u6301\u4e45\u5316\u8b8a\u5f97\u66f4\u52a0\u7c21\u55ae\u548c\u65b9\u4fbf\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528 `getstate()` \u51fd\u5f0f<\/h2>\n

\u4f7f\u7528 `getstate()` \u51fd\u5f0f\u975e\u5e38\u7c21\u55ae\u3002\u60a8\u53ea\u9700\u8981\u5c07\u7269\u4ef6\u4f5c\u70ba\u53c3\u6578\u50b3\u5165\uff0c\u5373\u53ef\u53d6\u5f97\u8a72\u7269\u4ef6\u7684\u72c0\u614b\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u4f8b\u5b50\uff1a<\/p>\n

“`python
\nclass MyObject:
\n def __init__(self, attribute):
\n self.my_attribute = attribute<\/p>\n

def getstate(self):
\n return self.my_attribute<\/p>\n

def setstate(self, state):
\n self.my_attribute = state<\/p>\n

# \u5275\u5efa\u7269\u4ef6\u5be6\u4f8b
\nmy_object = MyObject(‘Hello, World!’)<\/p>\n

# \u53d6\u5f97\u7269\u4ef6\u7684\u72c0\u614b
\nstate = my_object.getstate()
\nprint(“\u53d6\u5f97\u7684\u72c0\u614b:”, state)
\n“`<\/p>\n

\u5728\u6b64\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b `MyObject` \u985e\u5225\uff0c\u4e26\u4f7f\u7528 `getstate()` \u4f86\u53d6\u5f97\u7269\u4ef6\u7684\u5c6c\u6027 `my_attribute`\u3002<\/p>\n

\u5132\u5b58\u8207\u8f09\u5165\u7269\u4ef6\u72c0\u614b<\/h2>\n

\u53d6\u5f97\u7269\u4ef6\u7684\u72c0\u614b\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 Python \u7684 `pickle` \u6a21\u7d44\u5c07\u5176\u5132\u5b58\u5230\u6a94\u6848\u4e2d\uff0c\u65b9\u4fbf\u4e4b\u5f8c\u7684\u8f09\u5165\u4f7f\u7528\u3002\u4ee5\u4e0b\u662f\u5b8c\u6574\u7684\u5be6\u4f5c\u7bc4\u4f8b\uff1a<\/p>\n

“`python
\nimport pickle<\/p>\n

# \u5132\u5b58\u7269\u4ef6\u72c0\u614b
\nwith open(‘my_object.pickle’, ‘wb’) as f:
\n pickle.dump(state, f)<\/p>\n

# \u8f09\u5165\u7269\u4ef6\u72c0\u614b
\nwith open(‘my_object.pickle’, ‘rb’) as f:
\n loaded_state = pickle.load(f)<\/p>\n

# \u8a2d\u5b9a\u7269\u4ef6\u7684\u72c0\u614b\u56de\u53bb
\nmy_object.setstate(loaded_state)
\nprint(“\u91cd\u65b0\u8a2d\u5b9a\u7684\u72c0\u614b:”, my_object.getstate())
\n“`<\/p>\n

\u9019\u6bb5\u7a0b\u5f0f\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u5c07\u7269\u4ef6\u72c0\u614b\u5132\u5b58\u5230 `my_object.pickle` \u6a94\u6848\u4e2d\uff0c\u96a8\u5f8c\u518d\u5c07\u5176\u8f09\u5165\u4e26\u6062\u5fa9\u7269\u4ef6\u7684\u72c0\u614b\u3002<\/p>\n

\u932f\u8aa4\u6392\u9664\u8207\u6700\u4f73\u5be6\u8e10<\/h2>\n

\u5728\u4f7f\u7528 `getstate()` \u548c `setstate()` \u6642\uff0c\u958b\u767c\u8005\u61c9\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a
\n– \u78ba\u4fdd\u7269\u4ef6\u7684\u72c0\u614b\u662f\u53ef\u5e8f\u5217\u5316\u7684\u3002\u67d0\u4e9b\u8cc7\u6599\u985e\u578b\uff08\u5982\u6a94\u6848\u63cf\u8ff0\u7b26\u3001\u7db2\u7d61\u9023\u63a5\u7b49\uff09\u4e0d\u80fd\u88ab\u5e8f\u5217\u5316\u3002
\n– \u5728\u4f7f\u7528 `pickle` \u6a21\u7d44\u6642\uff0c\u8acb\u6ce8\u610f\u5b89\u5168\u6027\uff0c\u907f\u514d\u5f9e\u4e0d\u53ef\u4fe1\u4f86\u6e90\u8f09\u5165\u8cc7\u6599\u3002<\/p>\n

\u5ef6\u4f38\u61c9\u7528<\/h2>\n

\u60a8\u53ef\u4ee5\u5c07 `getstate()` \u548c `setstate()` \u7684\u7528\u6cd5\u61c9\u7528\u65bc\u591a\u7a2e\u5834\u666f\uff0c\u4f8b\u5982\uff1a
\n– \u5728\u904a\u6232\u4e2d\u5132\u5b58\u73a9\u5bb6\u7684\u9032\u5ea6\u3002
\n– \u5728\u7db2\u7d61\u61c9\u7528\u4e2d\u4fdd\u6301\u7528\u6236\u7684\u767b\u5165\u72c0\u614b\u3002
\n– \u5728\u6578\u64da\u5206\u6790\u4e2d\u5132\u5b58\u81e8\u6642\u8a08\u7b97\u7d50\u679c\u3002<\/p>\n

\u900f\u904e\u9019\u4e9b\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u9748\u6d3b\u5730\u7ba1\u7406\u7269\u4ef6\u72c0\u614b\u7684\u5132\u5b58\u8207\u6062\u5fa9\uff0c\u63d0\u5347\u7a0b\u5f0f\u7684\u53ef\u7528\u6027\u8207\u6548\u7387\u3002<\/p>\n

\u6700\u5f8c\uff0c\u5982\u679c\u60a8\u5c0d Python \u7684\u5e8f\u5217\u5316\u6709\u66f4\u6df1\u5165\u7684\u8208\u8da3\uff0c\u53ef\u4ee5\u53c3\u8003\u9019\u7bc7 [Python \u5e8f\u5217\u5316\u6280\u5de7](https:\/\/vocus.cc\/article\/64550a4de9e0912a0a5efb07) \u7684\u6559\u5b78\u6587\uff0c\u5c07\u6703\u5c0d\u60a8\u6709\u6240\u5e6b\u52a9\u3002<\/p>\n

Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n

1. `getstate()` \u548c `setstate()` \u662f\u4ec0\u9ebc\uff1f<\/h3>\n

`getstate()` \u7528\u65bc\u53d6\u5f97\u7269\u4ef6\u7684\u72c0\u614b\uff0c\u800c `setstate()` \u5247\u7528\u65bc\u6062\u5fa9\u7269\u4ef6\u72c0\u614b\uff0c\u5169\u8005\u901a\u5e38\u4e00\u8d77\u4f7f\u7528\u4ee5\u5be6\u73fe\u7269\u4ef6\u7684\u6301\u4e45\u5316\u3002<\/p>\n

2. \u5982\u4f55\u78ba\u4fdd\u7269\u4ef6\u72c0\u614b\u53ef\u4ee5\u88ab\u5e8f\u5217\u5316\uff1f<\/h3>\n

\u78ba\u4fdd\u7269\u4ef6\u7684\u5c6c\u6027\u90fd\u662f\u53ef\u5e8f\u5217\u5316\u7684\u985e\u578b\uff0c\u5305\u62ec\u57fa\u672c\u6578\u64da\u985e\u578b\uff08\u5982\u5b57\u4e32\u3001\u6574\u6578\u3001\u5217\u8868\u7b49\uff09\u548c\u81ea\u5b9a\u7fa9\u985e\u5225\u7684\u5be6\u4f8b\u3002<\/p>\n

3. `pickle` \u6a21\u7d44\u7684\u5b89\u5168\u6027\u5982\u4f55\u4fdd\u969c\uff1f<\/h3>\n

\u5728\u4f7f\u7528 `pickle` \u8f09\u5165\u8cc7\u6599\u6642\uff0c\u61c9\u907f\u514d\u5f9e\u4e0d\u53ef\u4fe1\u4f86\u6e90\u8f09\u5165\uff0c\u56e0\u70ba\u9019\u53ef\u80fd\u5c0e\u81f4\u5b89\u5168\u6f0f\u6d1e\u3002\u5efa\u8b70\u4f7f\u7528 `json` \u6a21\u7d44\u9032\u884c\u66f4\u5b89\u5168\u7684\u5e8f\u5217\u5316\u3002<\/p>\n

\u9019\u7bc7\u6587\u7ae0\u4ecb\u7d39\u4e86 Python \u4e2d `getstate()` \u51fd\u5f0f\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u5e0c\u671b\u80fd\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u8207\u61c9\u7528\u9019\u500b\u91cd\u8981\u7684\u5de5\u5177\u3002\u82e5\u60a8\u6709\u9032\u4e00\u6b65\u7684\u554f\u984c\u6216\u9700\u6c42\uff0c\u6b61\u8fce\u96a8\u6642\u63d0\u554f\uff01
\n—<\/p>\n","protected":false},"excerpt":{"rendered":"

getstate()\u51fd\u6578\u662fPython\u4e2d\u7684\u4e00\u500b\u91cd\u8981\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u7528\u4f86\u53d6\u5f97\u7269\u4ef6\u7684\u72c0\u614b\uff0c\u4e26\u5c07\u5176\u8f49\u63db\u70ba\u53ef\u5e8f\u5217\u5316\u7684\u7269\u4ef6\uff0c\u4ee5\u4fbf\u5728\u4e0d\u540c\u7684\u61c9\u7528\u7a0b\u5e8f\u4e4b\u9593\u5171\u4eab\u8cc7\u6599\u3002\u672c\u6587\u5c07\u4ecb\u7d39getstate()\u51fd\u6578\u7684\u529f\u80fd\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u7ba1\u7406\u7269\u4ef6\u7684\u72c0\u614b\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-3452","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-TG","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3452","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=3452"}],"version-history":[{"count":2,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3452\/revisions"}],"predecessor-version":[{"id":12828,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3452\/revisions\/12828"}],"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=3452"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3452"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3452"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}