在laravel-9中将参数传递给具有窗体的控制器

Question

我想将$category发送给控制器，但是当我在控制器中增强$category时，我发现它是空的。

我在edit.blade.php中的表格

    <form action="{{ route('categoryUpdate', $category) }}" method="post" class="ui form">
        @method('put')
        @csrf
        <div class="field">
            <label for="title">title</label>
            <input type="text" name="title" value="{{$category->title}}" />  
        </div>
        <div class="field">
            <label for="description">description</label>
            <textarea name="description">{{$category->description}}</textarea>
           
        </div>
        <div class="field">
            <label for="active">status</label>
            <select name="active">
                <option value="0" @if($category->active==0) selected @endif>Not Active</option>
                <option value="1" @if($category->active==1) selected @endif> Active</option>
            </select>
        </div>
        <div class="field">
            <button type="submit" class="ui primary button"> edit</button>
        </div>
    </form>

我的web.php

Route::get('/category/{category}',[CategoryController::class,'show'])->name('categoryShow');
Route::get('/category/edit/{category}',[CategoryController::class,'edit'])->name('categoryEdit');

我的控制器

public function update(UpdateCategoryRequest $request, Category $category)
    {
        dd($category);
    }

Answer 1

为了获得更新，您需要执行以下操作:表单中的更改：

<form action="{{ route('categoryUpdate', $category) }}" method="post" class="ui form">
        @csrf
        <div class="field">
            <label for="title">title</label>
            <input type="text" name="title" value="{{$category->title}}" />  
        </div>
        <div class="field">
            <label for="description">description</label>
            <textarea name="description">{{$category->description}}</textarea>
           
        </div>
        <div class="field">
            <label for="active">status</label>
            <select name="active">
                <option value="0" @if($category->active==0) selected @endif>Not Active</option>
                <option value="1" @if($category->active==1) selected @endif> Active</option>
            </select>
        </div>
        <div class="field">
            <button type="submit" class="ui primary button"> edit</button>
        </div>
    </form>

路线：

Route::post('/category/{category}',[CategoryController::class,'store'])->name('categoryStore');
Route::post('/category/edit/{category}',[CategoryController::class,'update'])->name('categoryUpdate');

当我们处理API时，我们使用PUT更新实体，但是当您处理web表单时，使用了POST方法，这是更新实体的最流行方法。