{"id":52539,"date":"2024-12-03T17:07:55","date_gmt":"2024-12-03T09:07:55","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52539\/"},"modified":"2024-12-03T17:07:55","modified_gmt":"2024-12-03T09:07:55","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e9%80%92%e5%bd%92%e5%ae%9e%e7%8e%b0%e6%a0%91%e7%bb%93%e6%9e%84%e6%95%b0%e6%8d%ae%e8%bd%ac%e6%8d%a2%e4%b8%ba%e5%88%97%e8%a1%a8%e6%95%b0%e6%8d%ae%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52539\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u5b9e\u73b0\u6811\u7ed3\u6784\u6570\u636e\u8f6c\u6362\u4e3a\u5217\u8868\u6570\u636e\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u5b9e\u73b0\u6811\u7ed3\u6784\u6570\u636e\u8f6c\u6362\u4e3a\u5217\u8868\u6570\u636e\uff1f<\/h1>\n<p>\u4f60\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u5b9e\u73b0\u6811\u7ed3\u6784\u6570\u636e\u8f6c\u6362\u4e3a\u5217\u8868\u6570\u636e\uff1f\u300b<\/span>\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241121\/1732169195673ecdebd63d5.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u5b9e\u73b0\u6811\u7ed3\u6784\u6570\u636e\u8f6c\u6362\u4e3a\u5217\u8868\u6570\u636e\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u5b9e\u73b0\u6811\u7ed3\u6784\u6570\u636e\u8f6c\u6362\u4e3a\u5217\u8868\u6570\u636e\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u4f7f\u7528\u9012\u5f52\u5b9e\u73b0\u6811\u7ed3\u6784\u6570\u636e\u8f6c\u6362\u4e3a\u5217\u8868\u6570\u636e\u7684 walk \u51fd\u6570<\/strong><\/p>\n<p>\u5728\u8ba1\u7b97\u673a\u79d1\u5b66\u9886\u57df\uff0c\u7ecf\u5e38\u4f1a\u51fa\u73b0\u5c06\u6811\u5f62\u7ed3\u6784\u7684\u6570\u636e\u8f6c\u6362\u6210\u7ebf\u6027\u6570\u636e\u7684\u9700\u6c42\u3002\u4e3a\u4e86\u6ee1\u8db3\u8fd9\u4e00\u9700\u6c42\uff0c\u53ef\u4ee5\u4f7f\u7528\u9012\u5f52\u7b97\u6cd5\u5b9e\u73b0\u4e00\u4e2a\u540d\u4e3a walk \u7684\u51fd\u6570\uff0c\u5c06\u6811\u7ed3\u6784\u6570\u636e\u5e73\u94fa\u6210\u5217\u8868\u6570\u636e\u3002<\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong><\/p>\n<p>\u5df2\u6709\u4e00\u4e2a\u6811\u5f62\u7ed3\u6784\u7684\u6570\u636e\uff0c\u9700\u8981\u5b9e\u73b0 walk \u51fd\u6570\uff0c\u8be5\u51fd\u6570\u4ee5\u9012\u5f52\u7684\u65b9\u5f0f\u904d\u5386\u6811\u7ed3\u6784\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u6210\u4e00\u4e2a\u5305\u542b\u6240\u6709\u8282\u70b9\u7684\u5217\u8868\u6570\u636e\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<pre>function walk(list) {\n  list.foreach((item) =&gt; {\n    if (item.children) {\n      walk(item.children);\n      delete item.children;\n    }\n    output.push(item);\n  });\n}<\/pre>\n<p><strong>\u4f7f\u7528\u65b9\u6cd5\uff1a<\/strong><\/p>\n<ol>\n<li>\u8c03\u7528 walk \u51fd\u6570\uff0c\u5c06\u9700\u8981\u8f6c\u6362\u7684\u6811\u5f62\u7ed3\u6784\u6570\u636e\u4f5c\u4e3a\u53c2\u6570\u4f20\u5165\u3002<\/li>\n<li>\u51fd\u6570\u4f1a\u9012\u5f52\u5730\u904d\u5386\u6811\u7ed3\u6784\uff0c\u5c06\u6bcf\u4e2a\u8282\u70b9\u8f6c\u5316\u4e3a\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5e76\u5c06\u8be5\u5bf9\u8c61\u63a8\u9001\u5230\u540d\u4e3a output \u7684\u5217\u8868\u4e2d\u3002<\/li>\n<li>\u7ecf\u8fc7\u9012\u5f52\u904d\u5386\u540e\uff0coutput \u5217\u8868\u5c06\u5305\u542b\u6240\u6709\u6811\u8282\u70b9\u7684\u5217\u8868\u6570\u636e\u3002<\/li>\n<\/ol>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>var input = [{\n  id: 1,\n  text: 'text1',\n  children: [{\n    id: 2,\n    text: 'text2',\n    parentid: 1,\n    children: [{\n      id: 4,\n      text: 'text4',\n      parentid: 2\n    }]\n  }, {\n    id: 3,\n    text: 'text3',\n    parentid: 1\n  }]\n}];\n\nvar output = [];\n\nwalk(input);\nconsole.log(output);<\/pre>\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n<pre>[\n  {\n    id: 4,\n    text: 'text4',\n    parentId: 2\n  },\n  {\n    id: 2,\n    text: 'text2',\n    parentId: 1\n  },\n  {\n    id: 3,\n    text: 'text3',\n    parentId: 1\n  },\n  {\n    id: 1,\n    text: 'text1'\n  }\n]<\/pre>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u5b9e\u73b0\u6811\u7ed3\u6784\u6570\u636e\u8f6c\u6362\u4e3a\u5217\u8868\u6570\u636e\uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u5427\uff01<\/p>\n<dl>\n<dt><\/dt>\n<dd>\n   \u5982\u4f55\u4f7f\u7528 EXISTS \u5173\u952e\u5b57\u9a8c\u8bc1\u4e24\u4e2a\u8868\u4e2d\u662f\u5426\u5b58\u5728\u5339\u914d\u503c\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u5b9e\u73b0\u6811\u7ed3\u6784\u6570\u636e\u8f6c\u6362\u4e3a\u5217\u8868\u6570\u636e\uff1f \u4f60\u5728\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587\u300a\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u5b9e\u73b0\u6811\u7ed3\u6784\u6570\u636e\u8f6c\u6362\u4e3a\u5217\u8868\u6570\u636e\uff1f\u300b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01 \u4f7f\u7528\u9012\u5f52\u5b9e\u73b0\u6811\u7ed3\u6784\u6570\u636e\u8f6c\u6362\u4e3a\u5217\u8868\u6570\u636e\u7684 walk \u51fd\u6570 \u5728\u8ba1\u7b97\u673a\u79d1\u5b66\u9886\u57df\uff0c\u7ecf\u5e38\u4f1a\u51fa\u73b0\u5c06\u6811\u5f62\u7ed3\u6784\u7684\u6570\u636e\u8f6c\u6362\u6210\u7ebf\u6027\u6570\u636e\u7684\u9700\u6c42\u3002\u4e3a\u4e86\u6ee1\u8db3\u8fd9\u4e00\u9700\u6c42\uff0c\u53ef\u4ee5\u4f7f\u7528\u9012\u5f52\u7b97\u6cd5\u5b9e\u73b0\u4e00\u4e2a\u540d\u4e3a walk \u7684\u51fd\u6570\uff0c\u5c06\u6811\u7ed3\u6784\u6570\u636e\u5e73\u94fa\u6210\u5217\u8868\u6570\u636e\u3002 \u95ee\u9898\uff1a \u5df2\u6709\u4e00\u4e2a\u6811\u5f62\u7ed3\u6784\u7684\u6570\u636e\uff0c\u9700\u8981\u5b9e\u73b0 walk \u51fd\u6570\uff0c\u8be5\u51fd\u6570\u4ee5\u9012\u5f52\u7684\u65b9\u5f0f\u904d\u5386\u6811\u7ed3\u6784\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u6210\u4e00\u4e2a\u5305\u542b\u6240\u6709\u8282\u70b9\u7684\u5217\u8868\u6570\u636e\u3002 \u89e3\u51b3\u65b9\u6848\uff1a function walk(list) { list.foreach((item) =&gt; { if (item.children) { walk(item.children); delete item.children; } output.push(item); }); } \u4f7f\u7528\u65b9\u6cd5\uff1a \u8c03\u7528 walk \u51fd\u6570\uff0c\u5c06\u9700\u8981\u8f6c\u6362\u7684\u6811\u5f62\u7ed3\u6784\u6570\u636e\u4f5c\u4e3a\u53c2\u6570\u4f20\u5165\u3002 \u51fd\u6570\u4f1a\u9012\u5f52\u5730\u904d\u5386\u6811\u7ed3\u6784\uff0c\u5c06\u6bcf\u4e2a\u8282\u70b9\u8f6c\u5316\u4e3a\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5e76\u5c06\u8be5\u5bf9\u8c61\u63a8\u9001\u5230\u540d\u4e3a output \u7684\u5217\u8868\u4e2d\u3002 \u7ecf\u8fc7\u9012\u5f52\u904d\u5386\u540e\uff0coutput \u5217\u8868\u5c06\u5305\u542b\u6240\u6709\u6811\u8282\u70b9\u7684\u5217\u8868\u6570\u636e\u3002 \u793a\u4f8b\uff1a var input = [{ id: 1, text: &#8216;text1&#8217;, children: [{ id: 2, text: &#8216;text2&#8217;, parentid: 1, [&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-52539","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52539","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=52539"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52539\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=52539"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=52539"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=52539"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}