Question

我有3个模特

Event has many Shifts

Shift belongs to Event

Shift has many ShiftWorkers

ShiftWorker belongs to Shift

当我在控制器中使用此存储方法通过html表单一次保存所有模型时：

public function store(EventsForm $request)
{
    //dd($request->all());

    // save event
    $event = Auth::user()->events()->create($request->all());

    $total_shifts = count($request->shift_start);

    $shifts = [];

    for ($s = 0; $s <= $total_shifts-1; $s++ ) {
        array_push($shifts, new Shift(['shift_start' => $request->shift_start[$s], 'shift_end' => $request->shift_end[$s]]));
    }

    // save shifts
    $event->shifts()->saveMany($shifts);

    $workers = [];

    for ($w = 0; $w <= $total_shifts-1; $w++ ) {

        array_push($workers, new ShiftWorker(['quantity' => $request->quantity[$w], 'hour_wage' => $request->hour_wage[$w]]));

    }

    // save workers
    $event->shifts()->shift_workers()->saveMany($workers);

我收到此错误

调用未定义的方法Illuminate \ Database \ Query \ Builder :: shift_workers（）

如何保存我的第三个模型（ShiftWorker）？

Answer 1

每个班次都有hasMany，因此您无法在集合上调用shift_workers()。

你要循环，如下所示：

foreach ($event->shifts as $shift) {
    $shift->shift_workers()->saveMany($workers);
}

Laravel保存嵌套模型hasManyThrough

1 个答案: