<nav class="navbar navbar-expand-lg navbar-light fixed-top" id="mainNav"> <div class="container"> <a class="navbar-brand" href="{{ route('home.index') }}">En</a> <button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation"> Menu <i class="fas fa-bars"></i> </button> <div class="collapse navbar-collapse" id="navbarResponsive"> <ul class="navbar-nav ml-auto"> <li class="nav-item"> <a class="nav-link" href="{{ route('home.index') }}">Home</a> </li> <li class="dropdown nav-item"> <a class="nav-link" data-toggle="dropdown">Categories<i class="icon-arrow"></i></a> <ul class="dropdown-menu"> @foreach($categories as $category) <li> <a href="/?category={{ $category->name }}"> {{ $category->name }} </a> </li> @endforeach </ul> </li> <li class="nav-item"> <a class="nav-link" href="{{ route('about') }}">About Me</a> </li> <li class="nav-item"> <a class="nav-link" href="post.html">Contact</a> </li> </ul> </div> </div></nav>我的標頭中有上述代碼，我將其包含在 app.blade.php 中，然后@include('user.layouts.header')我使用 app.blade.php 作為布局。如果這是我收到錯誤的原因，如何將數據傳遞到標頭，以便我可以停止收到以下錯誤！Undefined variable: categories (View: /home/alphy/blogEngidaFinal/resources/views/user/layouts/header.blade.php)
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TA貢獻1883條經驗 獲得超3個贊
您可以在包含標題視圖的同時傳遞參數，
@include('view.name',?['some'?=>?'data'])就你而言，
@include('user.layouts.header',?['categories'?=>?['food',?'drink',?'dessert'])- 1 回答
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