{"id":302825,"date":"2024-05-20T18:45:05","date_gmt":"2024-05-20T10:45:05","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/302825.html"},"modified":"2024-05-20T18:45:25","modified_gmt":"2024-05-20T10:45:25","slug":"vue3-%e9%a1%b9%e7%9b%ae%e7%bb%84%e4%bb%b6-tree-%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e6%a0%91%e5%bd%a2%e8%8f%9c%e5%8d%95-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/302825.html","title":{"rendered":"Vue3 \u9879\u76ee\u7ec4\u4ef6 tree \u5982\u4f55\u5b9e\u73b0\u6811\u5f62\u83dc\u5355"},"content":{"rendered":"

\"Vue3<\/p>\n

\u5728Vue3\u9879\u76ee\u4e2d\u5b9e\u73b0\u6811\u5f62\u83dc\u5355\u7ec4\u4ef6\uff08tree\uff09\u901a\u5e38\u6d89\u53ca\u5230\u4f7f\u7528\u7ec4\u4ef6\u9012\u5f52\u3001Props\u5b9a\u4e49\u548c\u4e8b\u4ef6\u7ed1\u5b9a<\/strong>\u7b49\u5173\u952e\u6280\u5de7\u3002\u6838\u5fc3\u89c2\u70b9\u662f\uff1a\u901a\u8fc7\u7ec4\u4ef6\u81ea\u6211\u9012\u5f52\u5b9e\u73b0\u5c42\u7ea7\u7ed3\u6784\u3001\u5229\u7528Props\u4f20\u9012\u6570\u636e\u548c\u72b6\u6001\u3001\u4ee5\u53ca\u901a\u8fc7\u4e8b\u4ef6\u7ed1\u5b9a\u5b9e\u73b0\u4ea4\u4e92\u529f\u80fd<\/strong>\u3002\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u7740\u91cd\u8bb2\u89e3\u7ec4\u4ef6\u81ea\u6211\u9012\u5f52<\/strong>\u7684\u6280\u672f\u5b9e\u73b0\u3002<\/p>\n<\/p>\n

\u7ec4\u4ef6\u81ea\u6211\u9012\u5f52\u662f\u6811\u5f62\u83dc\u5355\u5b9e\u73b0\u7684\u57fa\u77f3\u3002\u5728\u5b9a\u4e49\u4e00\u4e2aTree\u7ec4\u4ef6\u65f6\uff0c\u901a\u8fc7\u5728\u7ec4\u4ef6\u5185\u90e8\u8c03\u7528\u81ea\u8eab\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4efb\u610f\u5c42\u7ea7\u7684\u6811\u5f62\u7ed3\u6784\u3002\u6bcf\u4e2aTree\u7ec4\u4ef6\u5b9e\u4f8b\u4ee3\u8868\u6811\u5f62\u83dc\u5355\u7684\u4e00\u4e2a\u8282\u70b9\uff0c\u901a\u8fc7Props\u4f20\u9012\u5b50\u8282\u70b9\u6570\u636e\uff0c\u7ec4\u4ef6\u5185\u90e8\u57fa\u4e8e\u8fd9\u4e9b\u6570\u636e\u518d\u6b21\u5b9e\u4f8b\u5316\u81ea\u8eab\uff0c\u4ece\u800c\u6784\u9020\u51fa\u6574\u4e2a\u6811\u72b6\u7ed3\u6784\u3002\u6838\u5fc3\u5728\u4e8e\u6b63\u786e\u5904\u7406\u9012\u5f52\u7684\u7ec8\u6b62\u6761\u4ef6\uff0c\u901a\u5e38\u662f\u5224\u65ad\u5f53\u524d\u8282\u70b9\u4e0b\u662f\u5426\u8fd8\u6709\u5b50\u8282\u70b9\u6570\u636e\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u7ec4\u4ef6\u81ea\u6211\u9012\u5f52\u5b9e\u73b0<\/strong><\/h2>\n

\u901a\u8fc7\u5b9a\u4e49\u4e00\u4e2aTree\u7ec4\u4ef6\uff0c\u6765\u5c55\u793a\u5982\u4f55\u5229\u7528\u81ea\u6211\u9012\u5f52\u6784\u5efa\u6811\u5f62\u7ed3\u6784\u3002\u9996\u5148\uff0c\u6bcf\u4e2aTree\u7ec4\u4ef6\u9700\u8981\u63a5\u6536\u8282\u70b9\u6570\u636e\u4f5c\u4e3aProps\uff0c\u5305\u542b\u8282\u70b9\u540d\u5b57\u548c\u5b50\u8282\u70b9\u5217\u8868\u3002\u5982\u679c\u5b50\u8282\u70b9\u5217\u8868\u5b58\u5728\u4e14\u957f\u5ea6\u5927\u4e8e0\uff0c\u5219\u9012\u5f52\u6e32\u67d3\u5b50Tree\u7ec4\u4ef6\uff0c\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5219\u6e32\u67d3\u4e3a\u53f6\u5b50\u8282\u70b9\u3002<\/p>\n<\/p>\n

<template><\/p>\n
  <ul><\/p>\n
    <li v-for="node in nodes" :key="node.id"><\/p>\n
      {{ node.name }}<\/p>\n
      <tree v-if="node.children && node.children.length > 0" :nodes="node.children"\/><\/p>\n
    <\/li><\/p>\n
  <\/ul><\/p>\n
<\/template><\/p>\n
<script><\/p>\n
export default {<\/p>\n
  name: 'Tree',<\/p>\n
  props: {<\/p>\n
    nodes: Array<\/p>\n
  }<\/p>\n
}<\/p>\n
<\/script><\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001PROP\u4f20\u9012\u6570\u636e<\/strong><\/h2>\n
\u901a\u8fc7Props\u6765\u4f20\u9012\u6570\u636e\u662fVue\u7ec4\u4ef6\u95f4\u6c9f\u901a\u7684\u5173\u952e\u3002\u5728\u6811\u5f62\u83dc\u5355Tree\u7ec4\u4ef6\u4e2d\uff0c\u81f3\u5c11\u9700\u8981\u4e24\u4e2aProps\uff1a\u4e00\u4e2a\u662f\u5f53\u524d\u8282\u70b9\u7684\u6570\u636e\uff0c\u53e6\u4e00\u4e2a\u662f\u5b50\u8282\u70b9\u7684\u6570\u636e\u5217\u8868\u3002\u5728\u7ec4\u4ef6\u9012\u5f52\u7684\u8fc7\u7a0b\u4e2d\uff0c\u901a\u8fc7\u4e0d\u65ad\u7684\u5c06\u5b50\u8282\u70b9\u6570\u636e\u4f5c\u4e3aProps\u4f20\u9012\u7ed9\u5b50Tree\u7ec4\u4ef6\uff0c\u5373\u53ef\u6784\u5efa\u8d77\u6574\u4e2a\u6811\u5f62\u7ed3\u6784\u3002<\/p>\n<\/p>\n
\u4e3a\u4e86\u63d0\u9ad8\u7ec4\u4ef6\u7684\u7075\u6d3b\u6027\u548c\u53ef\u7528\u6027\uff0c\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e9b\u989d\u5916\u7684Props\u6765\u63a7\u5236\u6811\u5f62\u83dc\u5355\u7684\u5c55\u73b0\u65b9\u5f0f\uff0c\u5982\u662f\u5426\u5c55\u793a\u6298\u53e0\u6309\u94ae\u3001\u5404\u4e2a\u8282\u70b9\u662f\u5426\u53ef\u9009\u4e2d\u7b49\u3002\u901a\u8fc7\u76d1\u542cProps\u7684\u53d8\u5316\u5e76\u9002\u5f53\u5730\u66f4\u65b0\u7ec4\u4ef6\u5185\u90e8\u72b6\u6001\uff0c\u6811\u5f62\u83dc\u5355\u7684\u4ea4\u4e92\u4f53\u9a8c\u53ef\u4ee5\u5927\u5927\u63d0\u5347\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4e8b\u4ef6\u7ed1\u5b9a\u4e0e\u4ea4\u4e92<\/strong><\/h2>\n
\u4e3a\u6811\u5f62\u83dc\u5355\u7ec4\u4ef6\u6dfb\u52a0\u4ea4\u4e92\u529f\u80fd\uff0c\u5982\u8282\u70b9\u7684\u5c55\u5f00\/\u6298\u53e0\u3001\u70b9\u51fb\u9009\u4e2d\u7b49\uff0c\u5c31\u9700\u8981\u5229\u7528Vue\u7684\u4e8b\u4ef6\u7ed1\u5b9a\u673a\u5236\u3002\u5728Tree\u7ec4\u4ef6\u7684\u6bcf\u4e2a\u8282\u70b9\u4e0a\uff0c\u53ef\u4ee5\u7ed1\u5b9aclick\u6216\u8005\u5176\u4ed6\u4e8b\u4ef6\u76d1\u542c\u5668\uff0c\u5f53\u89e6\u53d1\u4e8b\u4ef6\u65f6\uff0c\u66f4\u65b0\u7ec4\u4ef6\u7684\u5185\u90e8\u72b6\u6001\u6216\u8005\u53d1\u5c04\u81ea\u5b9a\u4e49\u4e8b\u4ef6\u7ed9\u7236\u7ec4\u4ef6\u3002<\/p>\n<\/p>\n
\u4f8b\u5982\uff0c\u53ef\u4ee5\u5728\u6bcf\u4e2a\u8282\u70b9\u524d\u6dfb\u52a0\u4e00\u4e2a\u6309\u94ae\u7528\u4e8e\u63a7\u5236\u5b50\u8282\u70b9\u7684\u663e\u793a\u4e0e\u9690\u85cf\u3002\u901a\u8fc7\u5728\u8282\u70b9\u6570\u636e\u4e2d\u52a0\u5165\u4e00\u4e2a\u5b57\u6bb5\u6765\u6807\u8bc6\u5176\u5c55\u5f00\u72b6\u6001\uff0c\u5e76\u5728\u70b9\u51fb\u6309\u94ae\u65f6\u66f4\u65b0\u8fd9\u4e2a\u72b6\u6001\uff0c\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u8282\u70b9\u7684\u5c55\u5f00\u548c\u6298\u53e0\u3002<\/p>\n<\/p>\n
<template><\/p>\n
  <ul><\/p>\n
    <li v-for="node in nodes" :key="node.id"><\/p>\n
      <button @click="toggle(node)">{{ node.expanded ? '-' : '+' }}<\/button><\/p>\n
      {{ node.name }}<\/p>\n
      <tree v-if="node.expanded && node.children" :nodes="node.children"\/><\/p>\n
    <\/li><\/p>\n
  <\/ul><\/p>\n
<\/template><\/p>\n
<script><\/p>\n
export default {<\/p>\n
  methods: {<\/p>\n
    toggle(node) {<\/p>\n
      node.expanded = !node.expanded;<\/p>\n
    }<\/p>\n
  }<\/p>\n
}<\/p>\n
<\/script><\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u6837\u5f0f\u5b9a\u5236\u4e0e\u8fdb\u9636\u529f\u80fd<\/strong><\/h2>\n
\u5f53\u5b9e\u73b0\u4e86\u57fa\u7840\u7684\u6811\u5f62\u83dc\u5355\u540e\uff0c\u4e3a\u5176\u6dfb\u52a0\u7f8e\u89c2\u7684\u6837\u5f0f\u548c\u6ee1\u8db3\u66f4\u590d\u6742\u573a\u666f\u7684\u529f\u80fd\u5c31\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u53ef\u901a\u8fc7CSS\u6765\u7f8e\u5316\u6811\u5f62\u83dc\u5355\u7684\u5c55\u73b0\uff0c\u4e3a\u4e0d\u540c\u7ea7\u522b\u7684\u8282\u70b9\u63d0\u4f9b\u4e0d\u540c\u7684\u6837\u5f0f\u4ee5\u589e\u5f3a\u5176\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n
\u5728\u529f\u80fd\u5c42\u9762\uff0c\u53ef\u4ee5\u589e\u52a0\u641c\u7d22\u8282\u70b9\u7684\u529f\u80fd\uff0c\u4f7f\u7528\u6237\u80fd\u591f\u5feb\u901f\u627e\u5230\u7279\u5b9a\u8282\u70b9\u3002\u53e6\u5916\uff0c\u652f\u6301\u62d6\u62fd\u8282\u70b9\u66f4\u6539\u6811\u7684\u7ed3\u6784\u3001\u53f3\u952e\u83dc\u5355\u64cd\u4f5c\u7b49\u9ad8\u7ea7\u529f\u80fd\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u6811\u5f62\u83dc\u5355\u7684\u7528\u6237\u4f53\u9a8c\u548c\u5b9e\u7528\u6027\u3002<\/p>\n<\/p>\n
\u6784\u5efa\u9ad8\u6548\u3001\u7075\u6d3b\u4e14\u6613\u4e8e\u6269\u5c55\u7684\u6811\u5f62\u83dc\u5355\u7ec4\u4ef6\uff0c\u662f\u63d0\u5347Vue3\u9879\u76ee\u7528\u6237\u754c\u9762\u8d28\u91cf\u7684\u91cd\u8981\u624b\u6bb5\u4e4b\u4e00\u3002\u901a\u8fc7\u4e0a\u8ff0\u6838\u5fc3\u6280\u5de7\u7684\u5e94\u7528\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u529f\u80fd\u4e30\u5bcc\u7684\u6811\u5f62\u83dc\u5355\uff0c\u8fdb\u800c\u6784\u5efa\u51fa\u66f4\u52a0\u4e30\u5bcc\u548c\u4e92\u52a8\u7684Web\u5e94\u7528\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
\u5982\u4f55\u5728 Vue3 \u9879\u76ee\u4e2d\u4f7f\u7528\u7ec4\u4ef6\u5b9e\u73b0\u6811\u5f62\u83dc\u5355\uff1f<\/strong><\/p>\n
    \n
  • \u9996\u5148\uff0c\u4f60\u53ef\u4ee5\u5728 Vue3 \u9879\u76ee\u4e2d\u4f7f\u7528\u7ec4\u4ef6\u5e93\u6216\u5f00\u6e90\u7ec4\u4ef6\u6765\u5b9e\u73b0\u6811\u5f62\u83dc\u5355\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528 Element UI\u3001Ant Design Vue \u6216 Vuetify \u7b49\u6d41\u884c\u7684\u7ec4\u4ef6\u5e93\u4e2d\u81ea\u5e26\u7684\u6811\u5f62\u63a7\u4ef6\u3002<\/li>\n
  • \u5176\u6b21\uff0c\u4f60\u4e5f\u53ef\u4ee5\u81ea\u5df1\u7f16\u5199\u6811\u5f62\u83dc\u5355\u7ec4\u4ef6\u3002\u5728 Vue3 \u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 Composition API \u6765\u7f16\u5199\u9ad8\u6548\u4e14\u6613\u4e8e\u7ef4\u62a4\u7684\u7ec4\u4ef6\u903b\u8f91\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u9012\u5f52\u7ec4\u4ef6\u6765\u5b9e\u73b0\u6811\u5f62\u83dc\u5355\uff0c\u8be5\u9012\u5f52\u7ec4\u4ef6\u53ef\u4ee5\u9012\u5f52\u5730\u6e32\u67d3\u6811\u7684\u8282\u70b9\u3002<\/li>\n<\/ul>\n
    \u5982\u4f55\u5904\u7406\u6811\u5f62\u83dc\u5355\u4e2d\u7684\u70b9\u51fb\u4e8b\u4ef6\uff1f<\/strong><\/p>\n
      \n
    • \u5728\u6811\u5f62\u83dc\u5355\u7ec4\u4ef6\u4e2d\uff0c\u4f60\u53ef\u4ee5\u4e3a\u6bcf\u4e2a\u83dc\u5355\u9879\u7ed1\u5b9a\u70b9\u51fb\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u3002\u5f53\u7528\u6237\u70b9\u51fb\u67d0\u4e2a\u83dc\u5355\u9879\u65f6\uff0c\u76f8\u5e94\u7684\u70b9\u51fb\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u4f1a\u88ab\u89e6\u53d1\u3002<\/li>\n
    • \u5728\u8be5\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u4e2d\uff0c\u4f60\u53ef\u4ee5\u66f4\u65b0\u6811\u5f62\u83dc\u5355\u7684\u72b6\u6001\uff0c\u4f8b\u5982\u9009\u4e2d\u72b6\u6001\u6216\u5c55\u5f00\/\u6298\u53e0\u72b6\u6001\u3002\u4f60\u4e5f\u53ef\u4ee5\u5728\u70b9\u51fb\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u4e2d\u6267\u884c\u5176\u4ed6\u81ea\u5b9a\u4e49\u884c\u4e3a\uff0c\u5982\u9875\u9762\u8df3\u8f6c\u6216\u53d1\u9001\u6570\u636e\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n
      \u5982\u4f55\u52a8\u6001\u6e32\u67d3\u6811\u5f62\u83dc\u5355\u7684\u6570\u636e\uff1f<\/strong><\/p>\n
        \n
      • \u5728 Vue3 \u4e2d\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u7ec4\u4ef6\u7684 props \u5c5e\u6027\u6765\u4f20\u9012\u6811\u5f62\u83dc\u5355\u7684\u6570\u636e\u3002\u8fd9\u6837\uff0c\u4f60\u53ef\u4ee5\u4ece\u7236\u7ec4\u4ef6\u4e2d\u4f20\u9012\u6570\u636e\u7ed9\u6811\u5f62\u83dc\u5355\u7ec4\u4ef6\uff0c\u5e76\u5b9e\u73b0\u52a8\u6001\u6e32\u67d3\u3002<\/li>\n
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