{"id":26315,"date":"2024-11-24T14:06:15","date_gmt":"2024-11-24T06:06:15","guid":{"rendered":"https:\/\/fwq.ai\/blog\/26315\/"},"modified":"2024-11-24T14:06:15","modified_gmt":"2024-11-24T06:06:15","slug":"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87%e9%94%ae%e5%80%bc%e5%8c%b9%e9%85%8d%e5%90%88%e5%b9%b6%e4%b8%a4%e4%b8%aa%e7%bb%93%e6%9e%84%e4%b8%8d%e5%90%8c%e7%9a%84%e6%95%b0%e7%bb%84%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/26315\/","title":{"rendered":"\u5982\u4f55\u901a\u8fc7\u952e\u503c\u5339\u914d\u5408\u5e76\u4e24\u4e2a\u7ed3\u6784\u4e0d\u540c\u7684\u6570\u7ec4\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173088325381161.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u901a\u8fc7\u952e\u503c\u5339\u914d\u5408\u5e76\u4e24\u4e2a\u7ed3\u6784\u4e0d\u540c\u7684\u6570\u7ec4\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u901a\u8fc7\u952e\u503c\u5339\u914d\u5408\u5e76\u4e24\u4e2a\u7ed3\u6784\u4e0d\u540c\u7684\u6570\u7ec4\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u57fa\u4e8e\u952e\u503c\u5339\u914d\u5408\u5e76\u4e24\u4e2a\u6570\u7ec4<\/strong><\/p>\n<p>\u6211\u4eec\u6709\u4e24\u4e2a\u6570\u7ec4 a \u548c b\uff0c\u5b83\u4eec\u5177\u6709\u4e0d\u540c\u7684\u7ed3\u6784\u3002\u95ee\u9898\u662f\u5982\u4f55\u5224\u65ad a \u6570\u7ec4\u7684 value \u548c b \u6570\u7ec4\u7684 key \u662f\u5426\u76f8\u540c\uff0c\u5e76\u7ec4\u6210\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\uff0c\u5176\u4e2d b \u6570\u7ec4\u7684\u952e\u548c a \u6570\u7ec4\u7684\u503c\u5408\u5e76\u5230\u4e00\u8d77\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 JavaScript \u7684 map() \u548c find() \u65b9\u6cd5\u6765\u5b9e\u73b0\u6b64\u64cd\u4f5c\uff1a<\/p>\n<pre>function 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}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u89e3\u91ca\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p><strong>map()\uff1a<\/strong>\u5faa\u73af\u904d\u5386 b \u6570\u7ec4\u7684\u6bcf\u4e00\u9879\u5e76\u5bf9\u5176\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\uff1a<\/p>\n<ul>\n<li> <strong>find()\uff1a<\/strong>\u68c0\u67e5 a \u6570\u7ec4\u4e2d\u662f\u5426\u5305\u542b\u4e00\u4e2a\u5bf9\u8c61\u7684 key \u4e0e b \u6570\u7ec4\u4e2d\u7684\u5f53\u524d\u9879\u7684\u952e\u5339\u914d\u3002\u5982\u679c\u627e\u5230\uff0c\u5219\u5b58\u50a8\u8be5\u5bf9\u8c61\u3002<\/li>\n<li> <strong>\u89e3\u6784\u8fd0\u7b97\u7b26\uff08&#8230;\uff09\uff1a<\/strong>\u5c06 b \u6570\u7ec4\u4e2d\u5f53\u524d\u9879\u548c a \u6570\u7ec4\u4e2d\u5339\u914d\u9879\u5408\u5e76\u6210\u4e00\u4e2a\u65b0\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<\/li>\n<li> <strong>list\uff1a<\/strong>\u4e00\u4e2a\u5305\u542b\u5408\u5e76\u540e\u7684\u65b0\u5bf9\u8c61\u7684\u6570\u7ec4\u3002<\/li>\n<\/ul>\n<p>\u6700\u7ec8\u5f97\u5230\u7684 c \u6570\u7ec4\u5c06\u5305\u542b\u5408\u5e76\u81ea a \u548c b \u6570\u7ec4\u7684\u952e\u503c\u5bf9\uff0c\u7b26\u5408\u6240\u671f\u671b\u7684\u9884\u671f\u7ed3\u679c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u901a\u8fc7\u952e\u503c\u5339\u914d\u5408\u5e76\u4e24\u4e2a\u7ed3\u6784\u4e0d\u540c\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>\u57fa\u4e8e\u952e\u503c\u5339\u914d\u5408\u5e76\u4e24\u4e2a\u6570\u7ec4 \u6211\u4eec\u6709\u4e24\u4e2a\u6570\u7ec4 a \u548c b\uff0c\u5b83\u4eec\u5177\u6709\u4e0d\u540c\u7684\u7ed3\u6784\u3002\u95ee\u9898\u662f\u5982\u4f55\u5224\u65ad a \u6570\u7ec4\u7684 value \u548c b \u6570\u7ec4\u7684 key \u662f\u5426\u76f8\u540c\uff0c\u5e76\u7ec4\u6210\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\uff0c\u5176\u4e2d b \u6570\u7ec4\u7684\u952e\u548c a \u6570\u7ec4\u7684\u503c\u5408\u5e76\u5230\u4e00\u8d77\u3002 \u89e3\u51b3\u65b9\u6848\uff1a \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 JavaScript \u7684 map() \u548c find() \u65b9\u6cd5\u6765\u5b9e\u73b0\u6b64\u64cd\u4f5c\uff1a function getData(a, b) { var list = b.map(item =&gt; 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