{"id":2587,"date":"2024-11-10T15:28:59","date_gmt":"2024-11-10T07:28:59","guid":{"rendered":"https:\/\/fwq.ai\/blog\/2587\/"},"modified":"2024-11-10T15:28:59","modified_gmt":"2024-11-10T07:28:59","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-js-%e5%b0%86%e4%b8%a4%e4%b8%aa%e6%95%b0%e7%bb%84%e4%b8%ad%e7%9a%84%e9%94%ae%e5%80%bc%e5%8c%b9%e9%85%8d%e5%b9%b6%e7%94%9f%e6%88%90%e6%96%b0%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/2587\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 JS \u5c06\u4e24\u4e2a\u6570\u7ec4\u4e2d\u7684\u952e\u503c\u5339\u914d\u5e76\u751f\u6210\u65b0\u6570\u7ec4\uff1f"},"content":{"rendered":"

\"\u5982\u4f55\u4f7f\u7528<\/p>\n

js \u5982\u4f55\u5c06\u6570\u7ec4\u4e2d\u7684 value \u4e0e\u53e6\u4e00\u4e2a\u6570\u7ec4\u4e2d\u7684 key \u5339\u914d\u6765\u5f62\u6210\u65b0\u6570\u7ec4\uff1f<\/strong><\/p>\n

\u95ee\u9898\uff1a<\/strong><\/p>\n

\u5047\u8bbe\u6211\u4eec\u6709\u4e24\u4e2a\u6570\u7ec4 a \u548c b\uff0c\u6570\u7ec4 a \u5177\u6709\u952e\uff08key\uff09\u3001\u503c\uff08value\uff09\u548c ID\uff0c\u800c\u6570\u7ec4 b \u5177\u6709\u952e\u548c ID\u3002\u6211\u4eec\u7684\u76ee\u6807\u662f\u5c06 a \u6570\u7ec4\u503c\u548c b \u6570\u7ec4\u952e\u76f8\u5339\u914d\uff0c\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4 c\uff0c\u5176\u4e2d\u5305\u542b\u4e24\u4e2a\u6570\u7ec4\u4e2d\u5339\u914d\u7684\u6570\u636e\u3002<\/p>\n

\u671f\u671b\u7ed3\u679c\uff1a<\/strong><\/p>\n

[{id:3,key:'key1',value:'ggg'},{id:4,key:'key2',value:'cccc'}]<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 JS \u4e2d\u7684 map() \u65b9\u6cd5\u548c find() \u65b9\u6cd5\u6765\u5b8c\u6210\u6b64\u4efb\u52a1\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u6b65\u9aa4\uff1a<\/p>\n
    \n
  1. \u4f7f\u7528 map() \u65b9\u6cd5\u904d\u5386 b \u6570\u7ec4\u4e2d\u7684\u6bcf\u4e00\u4e2a item\u3002<\/li>\n
  2. \u5bf9\u4e8e\u6bcf\u4e2a item\uff0c\u4f7f\u7528 find() \u65b9\u6cd5\u5728 a \u6570\u7ec4\u4e2d\u67e5\u627e\u4e00\u4e2a ID \u6216 key \u5339\u914d\u7684 item\u3002<\/li>\n
  3. \u5982\u679c\u627e\u5230\u5339\u914d\u7684 item\uff0c\u5c06\u5176\u4e0e\u5f53\u524d item \u5408\u5e76\uff0c\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5bf9\u8c61\u3002<\/li>\n
  4. \u5426\u5219\uff0c\u8fd4\u56de\u4e00\u4e2a\u7a7a\u5bf9\u8c61\u3002<\/li>\n<\/ol>\n
    var a = [{id:1,key:'key1',value:'ggg'},{id:2,key:'key2',value:'cccc'}]\nvar b = [{id:3,key1:'sdf'},{id:4,key2:'sdfdff'}]\n\nfunction getData(a, b) {\n    var list = b.map(item => {\n        var obj = a.find(i => Object.keys(item).includes(i.key)) || {}\n        return {...obj, ...item}        \n    })\n    return list\n}\n\nvar c = getData(a, b)\nconsole.log(c)<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u7ed3\u679c\uff1a<\/strong><\/p>\n
    [{id:3,key1:'sdf',key:'key1',value:'ggg'},{id:4,key2:'sdfdff',key:'key2',value:'cccc'}]<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528 JS \u5c06\u4e24\u4e2a\u6570\u7ec4\u4e2d\u7684\u952e\u503c\u5339\u914d\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":"
    js \u5982\u4f55\u5c06\u6570\u7ec4\u4e2d\u7684 value \u4e0e\u53e6\u4e00\u4e2a\u6570\u7ec4\u4e2d\u7684 key \u5339\u914d\u6765\u5f62\u6210\u65b0\u6570\u7ec4\uff1f \u95ee\u9898\uff1a \u5047\u8bbe\u6211\u4eec\u6709\u4e24\u4e2a\u6570\u7ec4 a \u548c b\uff0c\u6570\u7ec4 a \u5177\u6709\u952e\uff08key\uff09\u3001\u503c\uff08value\uff09\u548c ID\uff0c\u800c\u6570\u7ec4 b \u5177\u6709\u952e\u548c ID\u3002\u6211\u4eec\u7684\u76ee\u6807\u662f\u5c06 a \u6570\u7ec4\u503c\u548c b \u6570\u7ec4\u952e\u76f8\u5339\u914d\uff0c\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4 c\uff0c\u5176\u4e2d\u5305\u542b\u4e24\u4e2a\u6570\u7ec4\u4e2d\u5339\u914d\u7684\u6570\u636e\u3002 \u671f\u671b\u7ed3\u679c\uff1a [{id:3,key:’key1′,value:’ggg’},{id:4,key:’key2′,value:’cccc’}] \u767b\u5f55\u540e\u590d\u5236 \u89e3\u51b3\u65b9\u6848\uff1a \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 JS \u4e2d\u7684 map() \u65b9\u6cd5\u548c find() \u65b9\u6cd5\u6765\u5b8c\u6210\u6b64\u4efb\u52a1\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u6b65\u9aa4\uff1a \u4f7f\u7528 map() \u65b9\u6cd5\u904d\u5386 b \u6570\u7ec4\u4e2d\u7684\u6bcf\u4e00\u4e2a item\u3002 \u5bf9\u4e8e\u6bcf\u4e2a item\uff0c\u4f7f\u7528 find() \u65b9\u6cd5\u5728 a \u6570\u7ec4\u4e2d\u67e5\u627e\u4e00\u4e2a ID \u6216 key \u5339\u914d\u7684 item\u3002 \u5982\u679c\u627e\u5230\u5339\u914d\u7684 item\uff0c\u5c06\u5176\u4e0e\u5f53\u524d item \u5408\u5e76\uff0c\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5bf9\u8c61\u3002 \u5426\u5219\uff0c\u8fd4\u56de\u4e00\u4e2a\u7a7a\u5bf9\u8c61\u3002 […]<\/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-2587","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/2587","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=2587"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/2587\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=2587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=2587"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=2587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}