数据库的复选框值为laravel

在页面skilledHandyman上，我有一个从上一页存储的handyman_id和一个带有复选框的表单，复选框中有可用的作业列表，我想做的是通过从表"jobs"中获取job_id，使用选中的任何复选框来更新"handymen"表中的外键job_id。job_id的值在复选框中，正如它在代码中所示，它只需要在handyman中获取并更新job_id外键即可。我已经建立了关系。从工作到杂工，我有很多工作。这就是我目前所拥有的，但它显然没有按预期工作。

@extends('layouts.master')
@section('skilledHandyman', 'Add Job')
        @section('header2')
            <ul>
                <li><a href="{{url('assignjob')}}">Assign job</a></li>
            </ul>
        @show
@section('content')
    <h1>Handyman details</h1>
<ul>
    <li>First Name:{{$skilledHandyman->first_name}}</li>
    <li>Last Name:{{$skilledHandyman->last_name}}</li>
    <li>Street:{{$skilledHandyman->street}}</li>
    <li>Postcode:{{$skilledHandyman->postcode}}</li>
    <li>Town:{{$skilledHandyman->town}}</li>
    <li>Skills:{{$skilledHandyman->skills}}</li>
</ul>
    <form action="{{url('skilledHandyman')}}" method="POST">
    {{ csrf_field() }}
     @foreach ($jobs as $job)
        <div>
            <label>{{$job->name}}</label>
            <input type='checkbox' value='{{$job->id}}' name='jobs[]'/>
        </div>
    @endforeach
    <input type="submit" name="submitBtn" value="Assign Job">
</form>
@endsection

function jobassign(Request $request, $id)
{
    $job = Handyman::where('handyman_id', $handymanId)->update(['job_id', $request->job_id]);
    return redirect()->back()->with('status', trans('Handyman has been successfully assigned to this job.'));
}
function skilledHandyman($handymanId)
{
    $skilledHandyman = Handyman::find($handymanId);
    $jobs = Job::all();
    return view('layouts/skilledHandyman', ['jobs' => $jobs, 'skilledHandyman' => $skilledHandyman]);

}

Route::group(['middleware' => ['web']], function () {
Route::get('home', 'HandymanController@home');
Route::get('search', 'HandymanController@search');
Route::get('details/{skill}', 'HandymanController@details');
Route::get('skilledHandyman/{handymanId}', 'HandymanController@skilledHandyman');
Route::post('jobassign', 'HandymanController@jobassign');
//Route::get('assignjob/{handymanId}', 'HandymanController@assignJob');
Route::get('addjob', 'HandymanController@addJob');
Route::post('addjform', 'HandymanController@addjForm');
Route::get('jobs', 'HandymanController@jobs');
Route::get('jobsdetails/{jobId}', 'HandymanController@jobsdetails');
Route::get('deletejob', 'HandymanController@deleteJob');
Route::post('deletejform', 'HandymanController@deletejForm');

}）

public function up()
{
    Schema::create('handymen', function (Blueprint $table) {
        $table->increments('id');
        $table->string('first_name');
        $table->string('last_name');
        $table->string('street');
        $table->string('postcode');
        $table->string('town');
        $table->string('skills');

        $table->integer('job_id')->unsigned();
        $table->foreign('job_id')->references('id')->on('jobs')->onDelete('cascade');

        $table->timestamps();
        });
    }
----
/**
 * Reverse the migrations.
 *
 * @return void
 */
public function down()
{
    Schema::table('handymen', function (Blueprint $table) {
        $table->dropForeign('handymen_job_id_foreign');
        $table->dropColumn('job_id');
    });
}

}如果需要任何其他文件，我会在请求时更新页面，请在这里帮助我