Laravel 我添加了 morphmany SQLSTATE[42S22]: Column not found: 1054 Unknown column 'staff.staff_id' in 'field list'答案

【问题标题】：Laravel I added morphmany SQLSTATE[42S22]: Column not found: 1054 Unknown column 'staff.staff_id' in 'field list'Laravel 我添加了 morphmany SQLSTATE[42S22]: Column not found: 1054 Unknown column 'staff.staff_id' in 'field list'
【发布时间】：2020-12-01 17:56:15
【问题描述】：

我正确存储了数据，但是当我尝试在编辑功能中获取数据时，它显示了这个错误

SQLSTATE[42S22]：未找到列：1054 '字段列表'中的未知列'staff.staff_id'（SQL：选择users.*、staff.staff_id 为pivot_staff_id、staff .user_id as pivot_user_id, staff.staff_type as pivot_staff_type, staff.role as pivot_role, @9876543@34@.created_at as @987654336.,@987654336. 987654338@ as pivot_updated_at from users inner join staff on users.id = staff.user_id 其中staff.@9876543647@ in (2) 和 @9865444@987654444 @ = 应用\模型\投资者）

//investor relationship
     public function staff()
    {
        return $this->morphToMany(User::class, 'staff')
                    ->withPivot(['role'])
                    ->withTimestamps();
    }
//user relationship

    public function investors()
    {
        return $this->morphedByMany(Investor::class, 'staff');
    }

【问题讨论】：

标签： php laravel laravel-5 laravel-4

【解决方案1】：

你不关注naming conventions，所以你应该确定关系的foreign key和"other key"：

 public function staff()
{
    return $this->morphToMany(User::class, 'staff','name of table',
                                                   'foreignPivotKey','relatedPivotKey);
}

我不知道您的表格列名称，但在您的情况下可能如下所示：

public function staff()
{
    return $this->morphToMany(User::class, 'staff','staffabels',
                                                   'staffabel_id','staff_id')
                ->withPivot(['role'])
                ->withTimestamps();
}

public function investors()
{
    return $this->morphedByMany(Investor::class, 'staff','staffabels',
                                         'staff_id','staffable_id');
}

【讨论】：