{"id":104367,"date":"2020-02-29T12:00:15","date_gmt":"2020-02-29T04:00:15","guid":{"rendered":"http:\/\/4563.org\/?p=104367"},"modified":"2020-02-29T12:00:15","modified_gmt":"2020-02-29T04:00:15","slug":"%e9%80%9a%e8%bf%87-id-%e6%95%b4%e7%90%86%e6%95%b0%e6%8d%ae%ef%bc%9a-arrayjson-%e8%ae%b0%e5%bd%95%e5%b0%8f%e6%a1%88%e4%be%8b-%e6%89%be%e4%ba%ba%e9%97%ae%e4%ba%86%e6%80%8e%e4%b9%88%e6%a0%bc%e5%bc%8f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=104367","title":{"rendered":"\u901a\u8fc7 id \u6574\u7406\u6570\u636e\uff1a Array+json \u8bb0\u5f55\u5c0f\u6848\u4f8b [\u627e\u4eba\u95ee\u4e86\u600e\u4e48\u683c\u5f0f\u5316]"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u901a\u8fc7 id \u6574\u7406\u6570\u636e\uff1a Array+json \u8bb0\u5f55\u5c0f\u6848\u4f8b [\u627e\u4eba\u95ee\u4e86\u600e\u4e48\u683c\u5f0f\u5316]               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Aitmo <\/span>  <span><i><\/i> 53<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<pre><code>\u300a\u83dc\u9e1f\u5c0f\u524d\u7aef\u300b  \u4e3e\u4e2a\u6817\u5b50\uff1a \/* \u539f\u59cb\u6570\u636e\uff1a\/ var arr = [{\"id\": 1,\"user\": {\"name\": \"\u5f20\u4e09\"}},{\"id\": 1,\"user\": {\"name\": \"\u674e\u56db\"}}]; \/ \u8f6c\u6362\u540e \uff1a*\/ var arr1 = [{\"id\": 1,\"data\": [{\"name\": \"\u5f20\u4e09\"}, {\"name\": \"\u674e\u56db\"}]}]  \/\/ \u5904\u7406\u6570\u7ec4\u4e2d\u7684 json \u6570\u636e\uff0c\u6839\u636e\u76f8\u540c id \u5c06\u4e00\u5c42 json \u6570\u636e\u4e2d\u7684\u4e8c\u5c42 json \u96c6\u5408\u5230\u4e00\u8d77 function uniqueArray(arr, type) { \/\/\u5f62\u53c2 1 \u6570\u7ec4  \u5f62\u53c2 2 \u5224\u65ad\u7684\u6570\u636e\u7c7b\u578b   var map = {}, \/\/\u627f\u8f7d\u5224\u65ad\u7684\u96c6\u5408\u5bb9\u5668     dest = [], \/\/\u81ea\u5b9a\u4e49\u7684\u6570\u7ec4     keys = []; \/\/\u52a8\u6001\u7684 key \u503c   for (var i = 0; i &lt; arr.length; i++) {     var ai = arr[i];     if (!map[ai.id]) { \/\/\u5faa\u73af\u7684\u6761\u4ef6       \/*\u52a8\u6001\u83b7\u53d6 json \u7684 key \u503c*\/       for (var key in ai) {         keys.push(key)       }       keys = [...new Set(keys)]; \/\/\u5c06 keys \u6570\u7ec4\u53bb\u91cd [\u56e0\u4e3a\u5faa\u73af\u4e86\u5f88\u591a\u6b21]        let obj = {}; \/\/obj===ai \u6dfb\u52a0\u4e0a\u627f\u8f7d\u5b57\u6bb5       keys.map((item, id) =&gt; { \/\/\u52a8\u6001 key \u503c\u64cd\u4f5c [\u540c\u6b65]          if (typeof ai[keys[id]] == type) { \/\/\u5224\u65ad\u6570\u636e\u7c7b\u578b\u662f\u4e0d\u662f\u81ea\u5df1\u8981\u7684\uff0c\u4f8b\u5982 object           obj.data = [ai[keys[id]]] \/\/\u5224\u65ad\u51fa\u7684\u6570\u636e\u653e\u7f6e\u5728 obj \u6dfb\u52a0\u7684\u627f\u8f7d\u5b57\u6bb5         } else {           obj[keys[id]] = ai[keys[id]]; \/\/\u5c06\u539f ai \u7684\u503c\u8d4b\u503c\u7ed9\u91cd\u65b0\u5b9a\u4e49\u7684 obj         }       })       dest.push(obj); \/\/\u5c06 ai \u5904\u7406\u4e3a obj \u653e\u7f6e\u81ea\u5b9a\u4e49\u7684\u6570\u7ec4\u4e2d       \/*       \u5df2\u77e5 json \u7684 key \u503c [\u88ab\u66ff\u4ee3]        {           id: ai.id,           createdAt: ai.createdAt,           is_root: ai.is_root,           name: ai.name,           user: [ai.user]       }*\/       map[ai.id] = ai; \/\/\u901a\u8fc7\u8981\u5904\u7406\u6570\u636e\u7684 id \u8d4b\u503c map \u591a\u91cd\u96c6\u5408     } else {       \/\/ \u5982\u679c\u9047\u5230\u76f8\u540c\u7684 id       for (var j = 0; j &lt; dest.length; j++) { \/\/\u901a\u8fc7\u904d\u5386\u81ea\u5b9a\u4e49\u7684\u65b0\u6570\u7ec4         var dj = dest[j];         if (dj.id == ai.id) { \/\/\u627e\u5230\u4e0e\u76f8\u540c id \u7684\u5b57\u6bb5\u6570\u636e           keys.map((item, id) =&gt; { \/\/\u52a8\u6001 key \u503c\u64cd\u4f5c [\u540c\u6b65]              if (typeof ai[keys[id]] == type) { \/\/\u5224\u65ad\u6570\u636e\u7c7b\u578b\u662f\u4e0d\u662f\u81ea\u5df1\u8981\u7684\uff0c\u4f8b\u5982 object               dj.data.push(ai[keys[id]]); \/\/\u5c06\u5224\u65ad\u7684\u6570\u636e\u7ee7\u7eed\u653e\u7f6e\u76f8\u540c id \u7684\u5b57\u6bb5\u4e2d\u7684\u81ea\u5b9a\u4e49\u7684\u6570\u7ec4\u4e2d             }           })           \/* \u5df2\u77e5\u8981\u653e\u7f6e\u7684\u6570\u636e dj.data.push(ai.user); [\u88ab\u66ff\u4ee3] *\/           break;         }       }     }   }   return dest; }    <\/code><\/pre>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>0<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u901a\u8fc7 id \u6574\u7406\u6570\u636e\uff1a Array&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/104367"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=104367"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/104367\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=104367"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=104367"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=104367"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}