当我单击“编辑”按钮时，它会显示一个弹出框，当我编辑该字段并单击“更新”时，它会显示以下错误。
Symfony \ Component \ HttpKernel \ Exception \ MethodNotAllowedHttpException
No message
<div id="myEditModal" class="modal fade in" tabindex="-1" role="dialog" aria-labelledby="myModalLabelEdit" aria-hidden="true">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h4 class="modal-title" id="myModalLabelEdit">Edit Department</h4>
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
</div>
<div class="modal-body">
<form class="form-horizontal" method="POST" action="{{ route('edit_department', $departmentList->id) }}">
@csrf
<div class="form-group">
<div class="col-md-12">
<input type="text" name="nameOfDepartment" class="form-control" placeholder="Edit Department" value="{{$departmentList->nameOfDepartment}}">
</div>
</div>
</form>
</div>
<div class="modal-footer">
<button type="submit" class="btn btn-info waves-effect" data-dismiss="modal">Update</button>
<button type="button" class="btn btn-default waves-effect" data-dismiss="modal">Cancel</button>
</div>
</div>
</div>
</div>
这是我的编辑刀片文件代码，以下代码在我的 web.php 文件中
Route::get('add-department', 'DepartmentController@createDepartment')->name('create_department');
Route::post('store-department', 'DepartmentController@storeDepartment')->name('store_department');
Route::get('list-department', 'DepartmentController@listDepartment')->name('list_department');
Route::get('edit-department/{id}', 'DepartmentController@editDepartment')->name('edit_department');
Route::post('update-department/{id}', 'DepartmentController@updateDepartment')->name('update_department');
Route::get('delete-department/{id}', 'DepartmentController@deleteDepartment')->name('delete_department');
您已经在编辑您的记录，现在您需要在数据库中更新它。所以你的路线应该是更新：
首先，将您的更新路线更正为：（从发布到投放）
Route::put('update-department/{id}', 'DepartmentController@updateDepartment')->name('update_department');
然后相应地更新您的表单：
<form class="form-horizontal" method="POST" action="{{ route('update_department', $departmentList->id) }}">
@csrf
@method('PUT')
...
出了什么问题：您的表单操作将转到使用 GET 方法的 Edit 路由，但您使用了 POST 方法。这就是为什么你得到一个MethodNotAllowedHttpException.
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