表单验证类验证唯一性

/**
 * Get the validation rules that apply to the request. * * @return array
 */public function rules()
{
  $id = $this->route('sms') ? $this->route('sms') : null; //获取当前需要排除的id,这里的 user 是 路由 {} 中的参数
  Log::info('id=' . $id);
 if ($this->method() == 'POST') {
  return [
  'user_id' => 'required',
  'account' => 'required',
  'password' => 'required',
  'sign' => 'required',
  'type' => 'required|integer|unique:sms',
  ];
  } else {
  return [
  'user_id' => 'required',
  'account' => 'required',
  'password' => 'required',
  'sign' => 'required',
  'type' => 'required|integer|unique:sms,type,' . $id,
  ];
  }
}

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