Question

我有一个提交多个值的表单。它是一种动态形式，每次都有不同的字段，但是字段的数量，而不是字段本身。我使用以下内容在数据透视表中插入所有数据，但我不认为这是一个很好的方法来解决这个问题。也许有一种很好的方法可以在不使用foreach的情况下实现这一目标吗？现在只有3 exercises我正在进行12次查询？的xD

数据透视表如下所示：

CREATE TABLE `exercise_training` (
  `id` int(10) UNSIGNED NOT NULL,
  `exercise_id` int(10) UNSIGNED NOT NULL,
  `training_id` int(10) UNSIGNED NOT NULL,
  `exercise_set` varchar(255) COLLATE utf8_unicode_ci DEFAULT NULL,
  `exercise_repeat` varchar(255) COLLATE utf8_unicode_ci DEFAULT NULL,
  `exercise_weight` varchar(255) COLLATE utf8_unicode_ci DEFAULT NULL,
  `exercise_time` varchar(255) COLLATE utf8_unicode_ci DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT NULL,
  `updated_at` timestamp NULL DEFAULT NULL
)

以下是代码：

    $checkedSets = $request['exercise_sets']; // Array of `set` values where the `key` is the `exercise_id`
    $checkedRepeats = $request['exercise_repeats'];// Array of `repeat` values where the `key` is the `exercise_id`
    $checkedWeights = $request['exercise_weights'];// Array of `weight` values where the `key` is the `exercise_id`
    $checkedTimes = $request['exercise_times'];// Array of `time` values where the `key` is the `exercise_id`

    foreach($checkedSets as $key => $value)
    {
        $training->exercises()->syncWithoutDetaching([$key => ['exercise_set' => $value]]);
    }

    foreach($checkedRepeats as $key => $value)
    {
        $training->exercises()->syncWithoutDetaching([$key => ['exercise_repeat' => $value]]);
    }

    foreach($checkedWeights as $key => $value)
    {
        $training->exercises()->syncWithoutDetaching([$key => ['exercise_weight' => $value]]);
    }

    foreach($checkedTimes as $key => $value)
    {
        $training->exercises()->syncWithoutDetaching([$key => ['exercise_time' => $value]]);
    }

Answer 1

来自laravel documentation

You may also pass additional intermediate table values with the IDs:

$user->roles()->sync([1 => ['expires' => true], 2, 3]);

Laravel同步多个额外的动态值

1 个答案: