{"id":205428,"date":"2025-05-29T14:04:02","date_gmt":"2025-05-29T06:04:02","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205428\/"},"modified":"2025-05-29T14:04:02","modified_gmt":"2025-05-29T06:04:02","slug":"%e5%9c%a8python%e5%88%97%e8%a1%a8%e4%b8%ad%e4%bf%ae%e6%94%b9%e5%85%83%e7%b4%a0%e5%a6%82%e4%bd%95%e5%bd%b1%e5%93%8d%e6%ba%90%e5%88%97%e8%a1%a8%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205428\/","title":{"rendered":"\u5728Python\u5217\u8868\u4e2d\u4fee\u6539\u5143\u7d20\u5982\u4f55\u5f71\u54cd\u6e90\u5217\u8868\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5728Python\u5217\u8868\u4e2d\u4fee\u6539\u5143\u7d20\u5982\u4f55\u5f71\u54cd\u6e90\u5217\u8868\uff1f<\/h1>\n

\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60\u6587\u7ae0<\/span>\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01<\/p>\n

<\/p>\n

\u5728python\u4e2darr\u4e0a\u7684\u503c\u4fee\u6539\u5982\u4f55\u5f71\u54cd\u6e90\u6570\u503c<\/strong><\/p>\n

\u5728python\u4e2d\uff0c\u5f53\u4f7f\u7528\u53ef\u53d8\u6570\u636e\u7c7b\u578b\uff08\u5982\u5217\u8868\uff09\u65f6\uff0c\u5bf9\u53d8\u91cf\u7684\u4fee\u6539\u4f1a\u76f4\u63a5\u53cd\u6620\u5728\u539f\u59cb\u6570\u636e\u7ed3\u6784\u4e0a\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0clist(filter())\u8fd4\u56de\u4e86\u4e00\u4e2a\u5f15\u7528\u539f\u59cb\u5217\u8868\u7684\u5217\u8868\uff0c\u5bf9\u8be5\u5217\u8868\u7684\u4fee\u6539\u5b9e\u9645\u4e0a\u662f\u5bf9\u539f\u59cb\u5217\u8868\u7684\u4fee\u6539\u3002<\/p>\n

\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5047\u8bbe\u6709\u4ee5\u4e0b\u5217\u8868\uff1a<\/p>\n

shadow = [{\n\"name\": \"admin\",\n\"password\": \"admin\",\n\"age\": \"18\",\n},\n{\n\"name\": \"xys\",\n\"password\": \"123132\",\n\"age\": \"18\",\n}]<\/pre>\n
\u5f53\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aarr1\u7684\u5217\u8868\u5e76\u8fc7\u6ee4\u51fa\u6ee1\u8db3name == “xys”\u6761\u4ef6\u7684\u5b57\u5178\u65f6\uff0carr1\u5b9e\u9645\u6307\u5411shadow\u4e2d\u7b26\u5408\u6761\u4ef6\u7684\u5b57\u5178\u3002\u56e0\u6b64\uff0c\u5bf9arr1\u7684\u4fee\u6539\u4e5f\u4f1a\u5f71\u54cdshadow\u3002<\/p>\n
\u4f8b\u5982\uff1a<\/p>\n
arr1 = list(filter(lambda x: x[\"name\"] == \"xys\", shadow))\narr1[0].update({\"name\": \"yourself\"})<\/pre>\n
\u6b64\u65f6\uff0carr1[0]\u6307\u5411shadow[1]\u3002\u66f4\u65b0name\u4e3a”yourself”\u540e\uff0cshadow[1]\u7684name\u4e5f\u88ab\u4fee\u6539\u4e3a”yourself”\u3002<\/p>\n
\u4f60\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u526f\u672c\u6216\u4f7f\u7528\u5207\u7247\u6765\u907f\u514d\u5bf9\u6e90\u5217\u8868\u7684\u5f71\u54cd\u3002\u4f8b\u5982\uff1a<\/p>\n
import copy\n\narr1 = copy.deepcopy(list(filter(lambda x: x[\"name\"] == \"xys\", shadow)))\narr1[0].update({\"name\": \"yourself\"})<\/pre>\n
\u8fd9\u6837\uff0carr1\u662f\u4e00\u4e2ashadow\u7684\u526f\u672c\uff0c\u4fee\u6539arr1\u4e0d\u4f1a\u5f71\u54cdshadow\u3002<\/p>\n
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\u5728Python\u5217\u8868\u4e2d\u4fee\u6539\u5143\u7d20\u5982\u4f55...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-205428","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205428","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=205428"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205428\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205428"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205428"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205428"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}