违反完整性约束：1048 列“school_id”不能为空

Question

当我尝试以 Json 格式将数据发布到 api 时，我收到错误：

“违反完整性约束：1048 列 'school_id' 不能为空”

这是我的 js (vuejs)

if (this.editD === false) {
    fetch('/api/school/'+this.location.school_id+'/location/store', {
        method: 'post',
        body: JSON.stringify(this.location),
        header: {
            'content-type': 'application/json'
        }
    })
    .then(res => res.json())
    .then(data => {
        this.emptyLocation();
        this.editD = false;
        this.fetchSchools();
    })
    .catch(err => console.log(err));
}

我尝试返回正在发送的正文值，以验证它是否是有效的 Json 格式并且是：

{
    "id": "",
    "school_id": 1,
    "department_name": "test",
    "department_address": "etst",
    "department_zip": "ttest",
    "department_city": "set",
    "department_phone": "32324"
}

我的 Api 路由如下所示：

Route::post('/school/{id}/location/store', 'Owner\ApiController@storeLocation');

控制器方法是这样的：

public function storeLocation(request $request) {

    $department = new Department;
    $department->school_id = $request->input('school_id');
    $department->department_name = $request->input('department_name');
    $department->department_address = $request->input('department_address');
    $department->department_zip = $request->input('department_zip');
    $department->department_city = $request->input('department_city');
    $department->department_phone = $request->input('department_phone');

    if($department->save()) {
        return new Department($department);
    }

}

在 Postmen 中使用相同的参数（但不在 json 中）执行此帖子时，它确实将其插入到数据库中，但我收到以下错误：

“传递给 Illuminate\Database\Eloquent\Model::__construct() 的参数 1 必须是数组类型，给定对象”

Answer 1

我相信这是因为你在给它一个 school_id 之前更新了一个Department

public function storeLocation(request $request) {

    $department = Department::create($request->all());

    return $department;
}

还要确保您的部门模型具有以下内容

    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = [
        'school_id',
        'department_name',
        'department_address',
        'department_zip',
        'department_city',
        'department_phone',
    ];

您提供的代码即使在创建一个新部门后也会返回一个新部门。

编辑：

尝试将您的帖子修改为以下内容

    const location = this.location;
    fetch('/api/school/'+this.location.school_id+'/location/store', {
        method: 'post',
        body: {
           ...location,
        },
        header: {
            'content-type': 'application/json'
        }
    })