'required', // 1:windows 2:macos 3:ios 4:android 5:linux 6:router 'category_id' => 'required|in:1,2,3,4,5,6', 'icon' => 'required', 'steps' => 'required' ]; /** * Get the validation rules that apply to the request. * * @return array */ public function rules() { return self::RULES; } public function messages() { return [ 'title.required' => '标题不能为空', 'category_id.required' => '分类不能为空', 'category_id.in' => '分类格式不正确', 'icon.required' => '图标不能为空', 'steps.required' => '教程步骤不能为空' ]; } }