{"id":1233,"date":"2024-11-10T14:22:57","date_gmt":"2024-11-10T06:22:57","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1233\/"},"modified":"2024-11-10T14:22:57","modified_gmt":"2024-11-10T06:22:57","slug":"%e5%a6%82%e4%bd%95%e5%b0%86%e4%b8%a4%e4%b8%aa%e6%95%b0%e7%bb%84%e4%b8%ad%e7%9b%b8%e5%90%8c-id-%e5%80%bc%e7%9a%84%e5%85%83%e7%b4%a0%e5%90%88%e5%b9%b6%e5%88%b0%e4%b8%80%e4%b8%aa%e6%96%b0%e6%95%b0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1233\/","title":{"rendered":"\u5982\u4f55\u5c06\u4e24\u4e2a\u6570\u7ec4\u4e2d\u76f8\u540c id \u503c\u7684\u5143\u7d20\u5408\u5e76\u5230\u4e00\u4e2a\u65b0\u6570\u7ec4\u4e2d\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173033661111980.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u5c06\u4e24\u4e2a\u6570\u7ec4\u4e2d\u76f8\u540c id \u503c\u7684\u5143\u7d20\u5408\u5e76\u5230\u4e00\u4e2a\u65b0\u6570\u7ec4\u4e2d\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u5c06\u4e24\u4e2a\u6570\u7ec4\u4e2d\u76f8\u540c id \u503c\u7684\u5143\u7d20\u5408\u5e76\u5230\u4e00\u4e2a\u65b0\u6570\u7ec4\u4e2d\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u6bd4\u8f83\u4e24\u4e2a\u6570\u7ec4\uff0c\u53d6\u51fa\u76f8\u7b49\u503c\u540e\u7ec4\u6210\u65b0\u6570\u7ec4\uff1f<\/strong><\/p>\n<p>\u95ee\u9898\u63cf\u8ff0\uff1a<\/p>\n<p>\u4f60\u6709\u4e24\u4e2a\u6570\u7ec4 A \u548c B\uff0c\u6570\u7ec4 A \u4e2d\u7684 id \u503c\u53ef\u80fd\u4e0e\u6570\u7ec4 B \u4e2d\u7684 cid \u503c\u76f8\u7b49\u3002\u73b0\u5728\uff0c\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b A \u4e2d\u76f8\u540c id \u7684\u5143\u7d20\u4ee5\u53ca B \u4e2d\u4e0e\u8be5 id \u5339\u914d\u7684\u5176\u4ed6\u5b57\u6bb5\u3002<\/p>\n<p>\u89e3\u51b3\u65b9\u6cd5\uff1a<\/p>\n<pre>let a = [{ id: 1 }, { id: 2 }];\nlet b = [\n  { cid: 1, des: \"1\" },\n  { cid: 1, des: \"11\" },\n  { cid: 2, des: \"2\" },\n];\nlet c = a.map((item) =&gt; {\n  return {\n    ...item,\n    list: b.filter((it) =&gt; it[\"cid\"] === item[\"id\"]),\n  };\n});<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u8fd9\u79cd\u89e3\u51b3\u65b9\u6848\u4e2d\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528 map() \u65b9\u6cd5\u904d\u5386\u6570\u7ec4 A\u3002<\/li>\n<li>\u5bf9\u4e8e\u6bcf\u4e2a\u6570\u7ec4 A \u4e2d\u7684\u5143\u7d20\uff0c\u521b\u5efa\u4e00\u4e2a\u65b0\u5bf9\u8c61\u3002<\/li>\n<li>\u5728\u65b0\u5bf9\u8c61\u4e2d\uff0c\u4fdd\u7559\u539f\u59cb\u7684 id \u503c\u5e76\u6dfb\u52a0\u4e00\u4e2a\u540d\u4e3a list \u7684\u65b0\u5c5e\u6027\u3002<\/li>\n<li>list \u5c5e\u6027\u7684\u503c\u662f\u6570\u7ec4 B \u4e2d cid \u503c\u4e0e item id \u503c\u76f8\u7b49\u7684\u5143\u7d20\u7684\u6570\u7ec4\u3002<\/li>\n<\/ul>\n<p>\u6267\u884c\u6b64\u4ee3\u7801\u540e\uff0c\u4f60\u5c06\u83b7\u5f97\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4 c\uff0c\u5176\u4e2d\u5305\u542b\u6570\u7ec4 A \u4e2d\u7684 id \u503c\u4ee5\u53ca\u5339\u914d\u7684\u6570\u7ec4 B \u4e2d\u7684\u5176\u4ed6\u5b57\u6bb5\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5c06\u4e24\u4e2a\u6570\u7ec4\u4e2d\u76f8\u540c id \u503c\u7684\u5143\u7d20\u5408\u5e76\u5230\u4e00\u4e2a\u65b0\u6570\u7ec4\u4e2d\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":"<p>\u5982\u4f55\u6bd4\u8f83\u4e24\u4e2a\u6570\u7ec4\uff0c\u53d6\u51fa\u76f8\u7b49\u503c\u540e\u7ec4\u6210\u65b0\u6570\u7ec4\uff1f \u95ee\u9898\u63cf\u8ff0\uff1a \u4f60\u6709\u4e24\u4e2a\u6570\u7ec4 A \u548c B\uff0c\u6570\u7ec4 A \u4e2d\u7684 id \u503c\u53ef\u80fd\u4e0e\u6570\u7ec4 B \u4e2d\u7684 cid \u503c\u76f8\u7b49\u3002\u73b0\u5728\uff0c\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b A \u4e2d\u76f8\u540c id \u7684\u5143\u7d20\u4ee5\u53ca B \u4e2d\u4e0e\u8be5 id \u5339\u914d\u7684\u5176\u4ed6\u5b57\u6bb5\u3002 \u89e3\u51b3\u65b9\u6cd5\uff1a let a = [{ id: 1 }, { id: 2 }]; let b = [ { cid: 1, des: &#8220;1&#8221; }, { cid: 1, des: &#8220;11&#8221; }, { cid: 2, des: &#8220;2&#8221; [&hellip;]<\/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-1233","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1233","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=1233"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1233\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=1233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=1233"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=1233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}