{"id":3458,"date":"2025-05-31T15:17:50","date_gmt":"2025-06-04T07:40:50","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3458"},"modified":"2025-06-04T15:17:50","modified_gmt":"2025-06-04T07:40:50","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84hash%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%84hash%e5%87%bd%e6%95%b8%e5%8a%9f%e8%83%bd\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 hash() \u51fd\u6578\uff1a\u529f\u80fd\u3001\u7528\u9014\u8207\u6700\u4f73\u5be6\u8e10\uff082025 \u5e74\u6700\u65b0\uff09"},"content":{"rendered":"

<\/p>\n

\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 hash() \u51fd\u6578<\/h1>\n

\u5728 Python \u4e2d\uff0c`hash()` \u51fd\u6578\u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u5167\u5efa\u51fd\u6578\uff0c\u5b83\u5c07\u4efb\u4f55\u7269\u4ef6\u8f49\u63db\u70ba\u4e00\u500b\u6574\u6578\uff0c\u9019\u500b\u6574\u6578\u7528\u65bc\u8868\u793a\u8a72\u7269\u4ef6\u7684\u552f\u4e00\u6027\u3002\u9019\u4e0d\u50c5\u80fd\u52a0\u901f\u7269\u4ef6\u7684\u67e5\u627e\uff0c\u4e5f\u80fd\u7528\u65bc\u7269\u4ef6\u4e4b\u9593\u7684\u76f8\u7b49\u6027\u6bd4\u8f03\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e `hash()` \u51fd\u6578\u7684\u57fa\u672c\u7528\u6cd5\u3001\u7528\u9014\u3001\u9650\u5236\u4ee5\u53ca\u6700\u4f73\u5be6\u8e10\uff0c\u5e6b\u52a9\u4f60\u5728 2025 \u5e74\u66f4\u6709\u6548\u5730\u4f7f\u7528 Python\u3002<\/p>\n

hash() \u51fd\u6578\u7684\u57fa\u672c\u7528\u6cd5<\/h2>\n

`hash()` \u51fd\u6578\u7684\u57fa\u672c\u7528\u6cd5\u662f\u5c07\u4e00\u500b\u7269\u4ef6\u4f5c\u70ba\u53c3\u6578\u50b3\u5165\uff0c\u4e26\u8fd4\u56de\u4e00\u500b\u6574\u6578\u503c\uff1a<\/p>\n

“`python
\nhash_value = hash(object)
\n“`<\/p>\n

\u6b64\u51fd\u6578\u80fd\u63a5\u53d7\u591a\u7a2e\u7269\u4ef6\u985e\u578b\uff0c\u5305\u62ec\u6578\u5b57\u3001\u5b57\u4e32\u3001\u5217\u8868\u3001\u5b57\u5178\u7b49\u3002\u9700\u8981\u6ce8\u610f\uff0c\u4e26\u975e\u6240\u6709\u7269\u4ef6\u90fd\u53ef\u4ee5\u88ab\u54c8\u5e0c\uff0c\u4f8b\u5982\u5217\u8868\u56e0\u70ba\u662f\u53ef\u8b8a\u7684\u800c\u4e0d\u80fd\u88ab\u54c8\u5e0c\u3002<\/p>\n

hash() \u51fd\u6578\u7684\u7528\u9014<\/h2>\n

`hash()` \u51fd\u6578\u5728\u8a31\u591a\u60c5\u5883\u4e2d\u975e\u5e38\u6709\u7528\uff0c\u5176\u4e2d\u5305\u62ec\uff1a<\/p>\n

1. **\u5feb\u901f\u67e5\u627e\u7269\u4ef6**\uff1a\u56e0\u70ba\u5b83\u628a\u7269\u4ef6\u8f49\u63db\u70ba\u6574\u6578\uff0c\u9019\u4f7f\u5f97\u5728\u6578\u64da\u7d50\u69cb\uff08\u5982\u96c6\u5408\u548c\u5b57\u5178\uff09\u4e2d\u5feb\u901f\u67e5\u627e\u6210\u70ba\u53ef\u80fd\u3002
\n2. **\u6bd4\u8f03\u7269\u4ef6\u7684\u76f8\u7b49\u6027**\uff1a\u82e5\u5169\u500b\u7269\u4ef6\u7684\u54c8\u5e0c\u503c\u76f8\u540c\uff0c\u5247\u53ef\u4ee5\u8a8d\u70ba\u9019\u5169\u500b\u7269\u4ef6\u662f\u76f8\u7b49\u7684\uff1a<\/p>\n

“`python
\nif hash(object1) == hash(object2):
\n print(“Objects are equal”)
\n“`<\/p>\n

hash() \u51fd\u6578\u7684\u9650\u5236<\/h2>\n

\u5118\u7ba1 `hash()` \u51fd\u6578\u529f\u80fd\u5f37\u5927\uff0c\u4f46\u5b83\u4e5f\u6709\u4e00\u4e9b\u9650\u5236\uff1a<\/p>\n

– \u5b83\u50c5\u7528\u65bc\u6bd4\u8f03\u7269\u4ef6\u7684\u76f8\u7b49\u6027\uff0c\u800c\u4e0d\u80fd\u7528\u65bc\u6bd4\u8f03\u7269\u4ef6\u7684\u5927\u5c0f\u3002
\n– \u4e0d\u80fd\u7528\u65bc\u6bd4\u8f03\u7269\u4ef6\u7684\u76f8\u4f3c\u6027\u6216\u54c8\u5e0c\u503c\u3002
\n– \u53ef\u8b8a\u7269\u4ef6\uff08\u5982\u5217\u8868\u548c\u5b57\u5178\uff09\u4e0d\u80fd\u88ab\u54c8\u5e0c\uff0c\u9019\u662f\u56e0\u70ba\u5b83\u5011\u7684\u5167\u5bb9\u53ef\u80fd\u6703\u6539\u8b8a\uff0c\u5c0e\u81f4\u54c8\u5e0c\u503c\u4e0d\u7a69\u5b9a\u3002<\/p>\n

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

\u7576\u4f7f\u7528 `hash()` \u51fd\u6578\u6642\uff0c\u5e38\u898b\u7684\u932f\u8aa4\u5305\u62ec\u8a66\u5716\u5c0d\u53ef\u8b8a\u7269\u4ef6\u9032\u884c\u54c8\u5e0c\u3002\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u4f60\u9700\u8981\u8003\u616e\u4f7f\u7528\u4e0d\u53ef\u8b8a\u7684\u985e\u578b\uff0c\u4f8b\u5982\u5143\u7d44\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n

– \u78ba\u4fdd\u53ea\u5c0d\u4e0d\u53ef\u8b8a\u7269\u4ef6\u4f7f\u7528 `hash()`\u3002
\n– \u4f7f\u7528 `hash()` \u4f86\u5275\u5efa\u81ea\u5b9a\u7fa9\u5c0d\u8c61\u7684\u54c8\u5e0c\u65b9\u6cd5\uff0c\u9019\u5c0d\u65bc\u81ea\u5b9a\u7fa9\u985e\u578b\u7684\u5be6\u73fe\u975e\u5e38\u91cd\u8981\u3002<\/p>\n

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

`hash()` \u51fd\u6578\u4e0d\u50c5\u9650\u65bc\u7c21\u55ae\u7684\u7269\u4ef6\u6bd4\u8f03\uff0c\u5176\u61c9\u7528\u7bc4\u570d\u9084\u5305\u62ec\uff1a<\/p>\n

– **\u6578\u64da\u5eab\u7d22\u5f15**\uff1a\u8a31\u591a\u6578\u64da\u5eab\u7cfb\u7d71\u4f7f\u7528\u54c8\u5e0c\u8868\u4f86\u52a0\u901f\u67e5\u8a62\u3002
\n– **\u7de9\u5b58\u7cfb\u7d71**\uff1a\u54c8\u5e0c\u503c\u53ef\u7528\u4f86\u5feb\u901f\u67e5\u627e\u7de9\u5b58\u4e2d\u7684\u6578\u64da\u3002<\/p>\n

\u82e5\u60f3\u4e86\u89e3\u66f4\u591a Python \u7684\u6280\u5de7\u8207\u6700\u4f73\u5be6\u8e10\uff0c\u8acb\u53c3\u8003[\u9019\u7bc7\u6587\u7ae0](https:\/\/vocus.cc\/article\/5f9b0b1e0f6f5e001c4d7f6b)\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n

\u7e3d\u7d50<\/h2>\n

`hash()` \u51fd\u6578\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u5b83\u80fd\u5c07\u4efb\u4f55\u7269\u4ef6\u8f49\u63db\u70ba\u6574\u6578\uff0c\u4e26\u7528\u65bc\u5feb\u901f\u67e5\u627e\u548c\u6bd4\u8f03\u7269\u4ef6\u7684\u76f8\u7b49\u6027\u3002\u5118\u7ba1\u5b58\u5728\u4e00\u4e9b\u9650\u5236\uff0c\u900f\u904e\u9069\u7576\u7684\u4f7f\u7528\u65b9\u5f0f\uff0c\u5b83\u80fd\u70ba\u4f60\u7684\u7a0b\u5f0f\u8a2d\u8a08\u63d0\u4f9b\u6975\u5927\u7684\u4fbf\u5229\u3002<\/p>\n

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

**Q1\uff1a\u4ec0\u9ebc\u7269\u4ef6\u53ef\u4ee5\u88ab\u54c8\u5e0c\uff1f**
\nA1\uff1a\u53ea\u6709\u4e0d\u53ef\u8b8a\u7269\u4ef6\uff0c\u5982\u6574\u6578\u3001\u6d6e\u9ede\u6578\u3001\u5b57\u4e32\u548c\u5143\u7d44\u53ef\u4ee5\u88ab\u54c8\u5e0c\u3002\u53ef\u8b8a\u7269\u4ef6\u5982\u5217\u8868\u548c\u5b57\u5178\u5247\u4e0d\u80fd\u3002<\/p>\n

**Q2\uff1a\u54c8\u5e0c\u503c\u7684\u552f\u4e00\u6027\u662f\u5426\u7d55\u5c0d\uff1f**
\nA2\uff1a\u54c8\u5e0c\u503c\u7684\u552f\u4e00\u6027\u4e0d\u7d55\u5c0d\uff0c\u5b58\u5728\u54c8\u5e0c\u78b0\u649e\u7684\u60c5\u6cc1\uff0c\u5373\u4e0d\u540c\u7684\u7269\u4ef6\u53ef\u80fd\u64c1\u6709\u76f8\u540c\u7684\u54c8\u5e0c\u503c\u3002<\/p>\n

**Q3\uff1a\u5982\u4f55\u81ea\u5b9a\u7fa9\u4e00\u500b\u985e\u7684\u54c8\u5e0c\u65b9\u6cd5\uff1f**
\nA3\uff1a\u53ef\u4ee5\u901a\u904e\u5728\u81ea\u5b9a\u7fa9\u985e\u4e2d\u5be6\u73fe `__hash__()` \u65b9\u6cd5\u4f86\u5b9a\u7fa9\u81ea\u5df1\u7684\u54c8\u5e0c\u908f\u8f2f\uff0c\u4e26\u78ba\u4fdd\u5176\u8207 `__eq__()` \u65b9\u6cd5\u4e00\u81f4\u3002<\/p>\n

—<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e86\u89e3Python\u4e2d\u7684Hash\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u5c07\u4efb\u4f55\u503c\u8f49\u63db\u70ba\u6578\u5b57\uff0c\u4e26\u63d0\u4f9b\u4e00\u7a2e\u5feb\u901f\u6aa2\u7d22\u548c\u6bd4\u8f03\u7684\u65b9\u6cd5\u3002GoogleSEO\u539f\u5247\uff0cHash\u51fd\u6578\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6548\u7387\uff0c\u6e1b\u5c11\u641c\u7d22\u6642\u9593\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-3458","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-TM","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3458","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=3458"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3458\/revisions"}],"predecessor-version":[{"id":3459,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3458\/revisions\/3459"}],"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=3458"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3458"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}