{"id":1433,"date":"2024-11-10T15:35:37","date_gmt":"2024-11-10T07:35:37","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1433\/"},"modified":"2024-11-10T15:35:37","modified_gmt":"2024-11-10T07:35:37","slug":"%e5%a6%82%e4%bd%95%e4%bb%8e%e4%b8%a4%e4%b8%aa%e6%95%b0%e7%bb%84%e4%b8%ad%e6%8f%90%e5%8f%96%e5%8c%b9%e9%85%8d%e9%a1%b9%e5%b9%b6%e7%94%9f%e6%88%90%e6%96%b0%e6%95%b0%e7%bb%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1433\/","title":{"rendered":"\u5982\u4f55\u4ece\u4e24\u4e2a\u6570\u7ec4\u4e2d\u63d0\u53d6\u5339\u914d\u9879\u5e76\u751f\u6210\u65b0\u6570\u7ec4\uff1f"},"content":{"rendered":"

\"\u5982\u4f55\u4ece\u4e24\u4e2a\u6570\u7ec4\u4e2d\u63d0\u53d6\u5339\u914d\u9879\u5e76\u751f\u6210\u65b0\u6570\u7ec4\uff1f\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u4ece\u5177\u6709\u5339\u914d\u503c\u7684\u6570\u7ec4\u4e2d\u83b7\u53d6\u65b0\u6570\u7ec4<\/strong><\/p>\n

\u73b0\u5728\u7ed9\u5b9a\u4e24\u4e2a\u6570\u7ec4 A \u548c B\uff0c\u5176\u4e2d A \u7684 id \u53ef\u80fd\u4e0e B \u7684 cid \u76f8\u540c\u3002\u6211\u4eec\u7684\u76ee\u6807\u662f\u83b7\u53d6\u65b0\u7684\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b A \u7684 id \u4e0e B \u76f8\u5339\u914d\u7684\u5143\u7d20\u7684\u5176\u4ed6\u5b57\u6bb5\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n

\u6839\u636e\u63d0\u4f9b\u7684\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b JavaScript \u4ee3\u7801\u6765\u5b9e\u73b0\uff1a<\/p>\n

let a = [{id:1},{id:2}];\nlet b = [{cid:1, des:\"1\"},{cid:1, des:\"11\"},{cid:2, des:\"2\"}];\n\nlet c = a.map(item => {\n    return {\n        ...item,\n        list: b.filter(it => it['cid'] === item['id'])\n    }\n});\n\nconsole.log(c);<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u8f93\u51fa\uff1a<\/strong><\/p>\n
[\n  {\n    id: 1,\n    list: [{cid: 1, des: \"1\"}, {cid: 1, des: \"11\"}]\n  },\n  {\n    id: 2,\n    list: [{cid: 2, des: \"2\"}]\n  }\n]<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u8bf4\u660e\uff1a<\/strong><\/p>\n
    \n
  • \u4f7f\u7528 map \u65b9\u6cd5\u904d\u5386\u6570\u7ec4 A \u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002<\/li>\n
  • \u5bf9\u4e8e\u6bcf\u4e2a\u5143\u7d20\uff0c\u521b\u5efa\u4e00\u4e2a\u65b0\u5bf9\u8c61\uff0c\u5305\u542b\u5176\u539f\u59cb\u5c5e\u6027\uff08\u5982 id\uff09\u548c\u4e00\u4e2a list \u5c5e\u6027\u3002<\/li>\n
  • list \u5c5e\u6027\u5305\u542b\u4ece\u6570\u7ec4 B \u4e2d\u8fc7\u6ee4\u51fa\u7684\u76f8\u5339\u914d\u5143\u7d20\uff0c\u5373 item[‘id’] === it[‘cid’]\u3002<\/li>\n
  • \u6700\u7ec8\u5f97\u5230\u7684\u6570\u7ec4 c \u5305\u542b A \u548c B \u4e2d\u5339\u914d\u5143\u7d20\u7684\u65b0\u6570\u7ec4\u3002<\/li>\n<\/ul>\n
    \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4ece\u4e24\u4e2a\u6570\u7ec4\u4e2d\u63d0\u53d6\u5339\u914d\u9879\u5e76\u751f\u6210\u65b0\u6570\u7ec4\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5982\u4f55\u4ece\u5177\u6709\u5339\u914d\u503c\u7684\u6570\u7ec4\u4e2d\u83b7\u53d6\u65b0\u6570\u7ec4 \u73b0\u5728\u7ed9\u5b9a\u4e24\u4e2a\u6570\u7ec4 A \u548c B\uff0c\u5176\u4e2d A \u7684 id \u53ef\u80fd\u4e0e B \u7684 cid \u76f8\u540c\u3002\u6211\u4eec\u7684\u76ee\u6807\u662f\u83b7\u53d6\u65b0\u7684\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b A \u7684 id \u4e0e B \u76f8\u5339\u914d\u7684\u5143\u7d20\u7684\u5176\u4ed6\u5b57\u6bb5\u3002 \u89e3\u51b3\u65b9\u6848\uff1a \u6839\u636e\u63d0\u4f9b\u7684\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b JavaScript \u4ee3\u7801\u6765\u5b9e\u73b0\uff1a let a = [{id:1},{id:2}]; let b = [{cid:1, des:”1″},{cid:1, des:”11″},{cid:2, des:”2″}]; let c = a.map(item => { return { …item, list: b.filter(it => it[‘cid’] === item[‘id’]) } }); console.log(c); \u767b\u5f55\u540e\u590d\u5236 \u8f93\u51fa\uff1a [ […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-1433","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1433","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=1433"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1433\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=1433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=1433"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=1433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}