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vueelement生成無(wú)線(xiàn)級(jí)左側(cè)菜單的實(shí)現(xiàn)代碼

首先來(lái)總結(jié)element ui 官方文檔的左側(cè)菜單結(jié)構(gòu),帶有el-submenu為子級(jí)節(jié)點(diǎn),el-menu-item表示沒(méi)有下級(jí)。當(dāng)然,菜單不能寫(xiě)死，因?yàn)椴藛我苍S不止兩級(jí),所以我們需要遞歸來(lái)實(shí)現(xiàn)。根據(jù)當(dāng)前節(jié)點(diǎn)是否有下級(jí)去判斷,如果有下級(jí),則繼續(xù)調(diào)用子級(jí),直到?jīng)]有下級(jí)為止,下面我貼上左側(cè)菜單所有的代碼:

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請(qǐng)求數(shù)據(jù)格式

[
   {
    name: "首頁(yè)",
    id: -1,
    icon: "el-icon-picture-outline-round",
    url: "/index",
    children: []
   },
   {
    name: "按鈕",
    id: 20,
    icon: "el-icon-message-solid",
    url: "/button",
    children: []
   },
   {
    name: "測(cè)試1",
    id: 1,
    icon: "el-icon-s-claim",
    url: "",
    children: [
     {
      id: 4,
      parentid: 1,
      name: "測(cè)試1-1",
      icon: "el-icon-chat-dot-round",
      url: "",
      children: [
       {
        id: 8,
        parentid: 1,
        name: "測(cè)試1-1-1",
        icon: "el-icon-cloudy",
        url: "/test",
        children: []
       },
       {
        id: 9,
        parentid: 1,
        name: "測(cè)試1-1-2",
        icon: "el-icon-files",
        url: "/test1",
        children: []
       }
      ]
     },
     {
      id: 5,
      parentid: 1,
      name: "測(cè)試1-2",
      icon: "el-icon-shopping-cart-1",
      url: "/test3",
      children: []
     }
    ]
   },
   {
    name: "測(cè)試2",
    id: 2,
    icon: "el-icon-menu",
    url: "",
    children: [
     {
      id: 6,
      parentid: 2,
      name: "測(cè)試2-1",
      icon: "el-icon-folder-checked",
      url: "",
      children: []
     },
     {
      id: 7,
      parentid: 2,
      name: "測(cè)試2-2",
      icon: "el-icon-folder-remove",
      url: "",
      children: []
     }
    ]
   },
   {
    name: "測(cè)試3",
    id: 3,
    icon: "el-icon-monitor",
    url: "",
    children: []
   }
  ]

menu.vue