JavaScript/filter-key.html at master · awayjin/JavaScript · GitHub

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<!doctype html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport"
        content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.15.0/lodash.min.js"></script>
</head>
<body>
PM2 Nginx-proxy-pass:300 Node.js


<script>
  // var data = [
  //   {
  //     "name": "apple",
  //     "id": "cat_2",
  //     children: [
  //       { name: 'b'}
  //     ]
  //   }
  // ]

  // if(!_.find(data,{name: 'apple'})) {
  //   data.push({name: 'apple2'});
  // }
  // console.log(_.find(data, { name: 'b'}))

  var arr = [
    {
      'name': 'a',
      'id': '1',
      children: [
        {
          name: 'b1',
          'id': '10',
          children: [
            { name: 'b1-1', 'id': '100', },
            { name: 'b1-2', 'id': '101', },
            { name: 'b1-3', 'id': '102', }
          ]
        },
        { name: 'b2', 'id': '11', }
      ]
    }
  ]

  function f(arr, selectedKey) {
    return arr.filter(item => item.id !== selectedKey).map(item => {
      // item = Object.assign({}, item)
      if (item.children) {
        item.children = f(item.children, selectedKey)
      }
      return item
    })
  }

  console.log(f(arr, '101'))
  // console.log(fil)

  // 菜单列表
  const menuList = [
    {
      name: '系统管理',
      code: 'system_manage',
      children: [{
        name: '用户管理',
        code: 'user_manage',
        children: [{
          name: '添加用户',
          code: 'add_user'
        }, {
          name: '编辑用户',
          code: 'edit_user'
        }, {
          name: '删除用户',
          code: 'del_user'
        }]
      }, {
        name: '角色管理',
        code: 'role_manage',
        children: [{
          name: '添加角色',
          code: 'add_role'
        }]
      }]
    },
    {
      name: '业务管理',
      code: 'bus_manage',
      children: [{
        name: '流程管理',
        code: 'process_manage'
      }]
    },
    {
      name: '订单管理',
      code: 'order_manage'
    }]

  // 权限列表
  const myMenuCode = ['system_manage', 'user_manage', 'add_user', 'order_manage']

  const filterMenu = (menuList, menuCode) => {
    return menuList.filter(item => {
      // return menuCode.indexOf(item.code) > -1
      return item.code != 'edit_user'
    }).map(item => {
      item = Object.assign({}, item)
      if (item.children) {
        item.children = filterMenu(item.children, menuCode)
      }
      return item
    })
  }

  // 过滤后的菜单
  const myMenu = filterMenu(menuList, myMenuCode)

  console.log(myMenu)
</script>

<p></p>
<script>
  function clickMe (e) {
    console.log(e)
  }
</script>
<button onclick="clickMe(event)">Click me.</button>

</body>
</html>