'required', 'language' => 'required', 'title' => 'required', 'body' => 'required' ]; } public function messages() { return [ 'title.required' => '标题不能为空', 'category.required' => '分类不能为空', 'body.required' => '内容不能为空', 'language.required' => '语言不能为空' ]; } }