{"id":26277,"date":"2024-11-24T14:26:40","date_gmt":"2024-11-24T06:26:40","guid":{"rendered":"https:\/\/fwq.ai\/blog\/26277\/"},"modified":"2024-11-24T14:26:40","modified_gmt":"2024-11-24T06:26:40","slug":"%e5%a6%82%e4%bd%95%e6%a0%b9%e6%8d%ae%e6%95%b0%e7%bb%84%e5%85%83%e7%b4%a0%e7%9a%84-value-%e5%92%8c%e5%8f%a6%e4%b8%80%e4%b8%aa%e6%95%b0%e7%bb%84%e7%9a%84-key-%e5%88%9b%e5%bb%ba%e6%96%b0%e7%9a%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/26277\/","title":{"rendered":"\u5982\u4f55\u6839\u636e\u6570\u7ec4\u5143\u7d20\u7684 Value \u548c\u53e6\u4e00\u4e2a\u6570\u7ec4\u7684 Key \u521b\u5efa\u65b0\u7684\u6570\u7ec4\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173087514399332.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u6839\u636e\u6570\u7ec4\u5143\u7d20\u7684 Value \u548c\u53e6\u4e00\u4e2a\u6570\u7ec4\u7684 Key \u521b\u5efa\u65b0\u7684\u6570\u7ec4\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u6839\u636e\u6570\u7ec4\u5143\u7d20\u7684 Value \u548c\u53e6\u4e00\u4e2a\u6570\u7ec4\u7684 Key \u521b\u5efa\u65b0\u7684\u6570\u7ec4\uff1f\u63d2\u56fe\" \/><\/p>\n<p>\u5982\u4f55\u5728 javascript \u4e2d\u5224\u65ad\u6570\u7ec4\u4e2d value \u548c\u53e6\u4e00\u4e2a\u6570\u7ec4\u4e2d key \u662f\u5426\u76f8\u540c\uff0c\u5e76\u636e\u6b64\u521b\u5efa\u65b0\u7684\u6570\u7ec4\uff1f<\/p>\n<p>\u7ed9\u5b9a\u4e24\u4e2a\u6570\u7ec4\uff1a<\/p>\n<ul>\n<li> <strong>\u6570\u7ec4 a<\/strong>\uff1a[{id:1,key:&#8217;key1&#8242;,value:&#8217;ggg&#8217;},{id:2,key:&#8217;key2&#8242;,value:&#8217;cccc&#8217;}]<\/li>\n<li> <strong>\u6570\u7ec4 b<\/strong>\uff1a[{id:3,key1:&#8217;sdf&#8217;},{id:4,key2:&#8217;sdfdff&#8217;}]<\/li>\n<\/ul>\n<p>\u6211\u4eec\u8981\u6839\u636e a \u6570\u7ec4\u4e2d\u7684 Value \u548c b \u6570\u7ec4\u4e2d\u7684 Key \u662f\u5426\u5339\u914d\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\u3002\u671f\u671b\u8f93\u51fa\u4e3a\uff1a<\/p>\n<ul>\n<li>[{id:3,key1:&#8217;sdf&#8217;,key:&#8217;key1&#8242;,value:&#8217;ggg&#8217;},{id:4,key2:&#8217;sdfdff&#8217;,key:&#8217;key2&#8242;,value:&#8217;cccc&#8217;}]<\/li>\n<\/ul>\n<p>\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 JavaScript \u4e2d\u7684 map() \u51fd\u6570\u548c find() \u51fd\u6570\u6765\u5b9e\u73b0\u6b64\u76ee\u7684\u3002<\/p>\n<pre>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 =&gt; {\n        var obj = a.find(i =&gt; 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<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u6b64\u51fd\u6570\u901a\u8fc7\u6620\u5c04\u6570\u7ec4 b \u5e76\u5728\u6bcf\u4e2a\u5143\u7d20\u4e2d\u67e5\u627e\u5728\u6570\u7ec4 a \u4e2d\u5177\u6709\u5339\u914d Value \u7684\u5143\u7d20\u6765\u5de5\u4f5c\u3002\u7136\u540e\uff0c\u5b83\u5408\u5e76\u8fd9\u4e24\u4e2a\u5143\u7d20\u4ee5\u521b\u5efa\u65b0\u6570\u7ec4\u3002\u6700\u7ec8\uff0c\u51fd\u6570\u8fd4\u56de\u5e26\u5408\u5e76\u5143\u7d20\u7684\u65b0\u6570\u7ec4\u3002<\/p>\n<p>\u5728\u7ed9\u5b9a\u7684\u793a\u4f8b\u4e2d\uff0c\u8f93\u51fa\u5c06\u4e3a\uff1a<\/p>\n<pre>[{id:3,key1:'sdf',key:'key1',value:'ggg'},{id:4,key2:'sdfdff',key:'key2',value:'cccc'}]<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u6839\u636e\u6570\u7ec4\u5143\u7d20\u7684 Value \u548c\u53e6\u4e00\u4e2a\u6570\u7ec4\u7684 Key \u521b\u5efa\u65b0\u7684\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":"<p>\u5982\u4f55\u5728 javascript \u4e2d\u5224\u65ad\u6570\u7ec4\u4e2d value \u548c\u53e6\u4e00\u4e2a\u6570\u7ec4\u4e2d key \u662f\u5426\u76f8\u540c\uff0c\u5e76\u636e\u6b64\u521b\u5efa\u65b0\u7684\u6570\u7ec4\uff1f \u7ed9\u5b9a\u4e24\u4e2a\u6570\u7ec4\uff1a \u6570\u7ec4 a\uff1a[{id:1,key:&#8217;key1&#8242;,value:&#8217;ggg&#8217;},{id:2,key:&#8217;key2&#8242;,value:&#8217;cccc&#8217;}] \u6570\u7ec4 b\uff1a[{id:3,key1:&#8217;sdf&#8217;},{id:4,key2:&#8217;sdfdff&#8217;}] \u6211\u4eec\u8981\u6839\u636e a \u6570\u7ec4\u4e2d\u7684 Value \u548c b \u6570\u7ec4\u4e2d\u7684 Key \u662f\u5426\u5339\u914d\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\u3002\u671f\u671b\u8f93\u51fa\u4e3a\uff1a [{id:3,key1:&#8217;sdf&#8217;,key:&#8217;key1&#8242;,value:&#8217;ggg&#8217;},{id:4,key2:&#8217;sdfdff&#8217;,key:&#8217;key2&#8242;,value:&#8217;cccc&#8217;}] \u89e3\u51b3\u65b9\u6848\uff1a \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 JavaScript \u4e2d\u7684 map() \u51fd\u6570\u548c find() \u51fd\u6570\u6765\u5b9e\u73b0\u6b64\u76ee\u7684\u3002 var a = [{id:1,key:&#8217;key1&#8242;,value:&#8217;ggg&#8217;},{id:2,key:&#8217;key2&#8242;,value:&#8217;cccc&#8217;}] var b = [{id:3,key1:&#8217;sdf&#8217;},{id:4,key2:&#8217;sdfdff&#8217;}] function getData(a, b) { var list = b.map(item =&gt; 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