{"id":26272,"date":"2024-11-24T13:29:10","date_gmt":"2024-11-24T05:29:10","guid":{"rendered":"https:\/\/fwq.ai\/blog\/26272\/"},"modified":"2024-11-24T13:29:10","modified_gmt":"2024-11-24T05:29:10","slug":"%e5%a6%82%e4%bd%95%e5%b0%86-b-%e6%95%b0%e7%bb%84%e5%85%83%e7%b4%a0%e5%88%86%e9%85%8d%e5%88%b0-a-%e6%95%b0%e7%bb%84%e7%9a%84%e7%9b%b8%e5%ba%94%e5%af%b9%e8%b1%a1%e4%b8%ad%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/26272\/","title":{"rendered":"\u5982\u4f55\u5c06 B \u6570\u7ec4\u5143\u7d20\u5206\u914d\u5230 A \u6570\u7ec4\u7684\u76f8\u5e94\u5bf9\u8c61\u4e2d\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173087298619969.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u5c06 B \u6570\u7ec4\u5143\u7d20\u5206\u914d\u5230 A \u6570\u7ec4\u7684\u76f8\u5e94\u5bf9\u8c61\u4e2d\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u5c06 B \u6570\u7ec4\u5143\u7d20\u5206\u914d\u5230 A \u6570\u7ec4\u7684\u76f8\u5e94\u5bf9\u8c61\u4e2d\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 javascript \u4e2d\u5c06 b \u6570\u7ec4\u5143\u7d20\u5206\u914d\u5230\u76f8\u5e94 a \u6570\u7ec4\u4e2d\uff1f<\/strong><\/p>\n<p>\u5728\u7ed9\u5b9a\u7684\u573a\u666f\u4e2d\uff0c\u6211\u4eec\u6709 A \u6570\u7ec4\u548c B \u5bf9\u8c61\u3002\u76ee\u6807\u662f\u5c06 B \u6570\u7ec4\u7684\u76f8\u5e94\u5143\u7d20\u6dfb\u52a0\u5230 A \u6570\u7ec4\u4e2d\u7684\u76f8\u5e94\u5bf9\u8c61\u4e2d\u3002<\/p>\n<p>\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e00\u70b9\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 forEach() \u904d\u5386 A \u6570\u7ec4\u3002\u5bf9\u4e8e\u6bcf\u4e2a\u5bf9\u8c61\uff0c\u6211\u4eec\u83b7\u53d6 key \u5c5e\u6027\u7684\u503c\uff0c\u7136\u540e\u4f7f\u7528\u8be5\u503c\u4f5c\u4e3a B \u5bf9\u8c61\u7684\u5c5e\u6027\u540d\u79f0\u3002\u5982\u679c B \u5bf9\u8c61\u5177\u6709\u8be5\u5c5e\u6027\uff0c\u6211\u4eec\u5c06\u5176\u503c\u6dfb\u52a0\u5230 A \u6570\u7ec4\u4e2d\u5bf9\u5e94\u7684\u5bf9\u8c61\u4e2d\u3002<\/p>\n<p>\u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u4e86\u6b64\u8fc7\u7a0b\uff1a<\/p>\n<pre>let arr1 = [{id:1,key:'key1',value:'ggg'},{id:2,key:'key2',value:'cccc'}];\nlet obj1 = {id:4,key1:'123',key2:'sdfdff'};\narr1.forEach(item =&gt; {\n    item[item.key] = obj1[item.key];\n});<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u901a\u8fc7\u4f7f\u7528\u6b64\u4ee3\u7801\uff0c\u6211\u4eec\u6709\u6548\u5730\u5c06 B \u6570\u7ec4\u7684\u5143\u7d20\u5206\u914d\u5230 A \u6570\u7ec4\u4e2d\u5bf9\u5e94\u7684\u5bf9\u8c61\u4e2d\u3002\u73b0\u5728\uff0cA \u6570\u7ec4\u4e2d\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u62e5\u6709 B \u6570\u7ec4\u4e2d\u76f8\u5e94\u5143\u7d20\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5c06 B \u6570\u7ec4\u5143\u7d20\u5206\u914d\u5230 A \u6570\u7ec4\u7684\u76f8\u5e94\u5bf9\u8c61\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\u5728 javascript \u4e2d\u5c06 b \u6570\u7ec4\u5143\u7d20\u5206\u914d\u5230\u76f8\u5e94 a \u6570\u7ec4\u4e2d\uff1f \u5728\u7ed9\u5b9a\u7684\u573a\u666f\u4e2d\uff0c\u6211\u4eec\u6709 A \u6570\u7ec4\u548c B \u5bf9\u8c61\u3002\u76ee\u6807\u662f\u5c06 B \u6570\u7ec4\u7684\u76f8\u5e94\u5143\u7d20\u6dfb\u52a0\u5230 A \u6570\u7ec4\u4e2d\u7684\u76f8\u5e94\u5bf9\u8c61\u4e2d\u3002 \u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e00\u70b9\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 forEach() \u904d\u5386 A \u6570\u7ec4\u3002\u5bf9\u4e8e\u6bcf\u4e2a\u5bf9\u8c61\uff0c\u6211\u4eec\u83b7\u53d6 key \u5c5e\u6027\u7684\u503c\uff0c\u7136\u540e\u4f7f\u7528\u8be5\u503c\u4f5c\u4e3a B \u5bf9\u8c61\u7684\u5c5e\u6027\u540d\u79f0\u3002\u5982\u679c B \u5bf9\u8c61\u5177\u6709\u8be5\u5c5e\u6027\uff0c\u6211\u4eec\u5c06\u5176\u503c\u6dfb\u52a0\u5230 A \u6570\u7ec4\u4e2d\u5bf9\u5e94\u7684\u5bf9\u8c61\u4e2d\u3002 \u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u4e86\u6b64\u8fc7\u7a0b\uff1a let arr1 = [{id:1,key:&#8217;key1&#8242;,value:&#8217;ggg&#8217;},{id:2,key:&#8217;key2&#8242;,value:&#8217;cccc&#8217;}]; let obj1 = {id:4,key1:&#8217;123&#8242;,key2:&#8217;sdfdff&#8217;}; arr1.forEach(item =&gt; { item[item.key] = obj1[item.key]; }); \u767b\u5f55\u540e\u590d\u5236 \u901a\u8fc7\u4f7f\u7528\u6b64\u4ee3\u7801\uff0c\u6211\u4eec\u6709\u6548\u5730\u5c06 B \u6570\u7ec4\u7684\u5143\u7d20\u5206\u914d\u5230 A \u6570\u7ec4\u4e2d\u5bf9\u5e94\u7684\u5bf9\u8c61\u4e2d\u3002\u73b0\u5728\uff0cA \u6570\u7ec4\u4e2d\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u62e5\u6709 B \u6570\u7ec4\u4e2d\u76f8\u5e94\u5143\u7d20\u3002 \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5c06 [&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-26272","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/26272","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=26272"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/26272\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=26272"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=26272"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=26272"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}