vueelement生成无线级左侧菜单的实现代码-创新互联

首先来总结element ui 官方文档的左侧菜单结构,带有el-submenu为子级节点,el-menu-item表示没有下级。当然,菜单不能写死，因为菜单也许不止两级,所以我们需要递归来实现。根据当前节点是否有下级去判断,如果有下级,则继续调用子级,直到没有下级为止,下面我贴上左侧菜单所有的代码:

请求数据格式

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

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