'required|string|max:255', 'qual_no' => 'nullable|string|max:255', 'qual_photo' => 'required|string|max:255', 'valid_start' => 'nullable|date', 'valid_end' => 'nullable|date|after_or_equal:valid_start' ]; } public function messages(): array { return [ 'qual_type.required' => '资质类型不能为空', 'qual_type.max' => '资质类型不能超过255个字符', 'qual_no.max' => '资质证书编号不能超过255个字符', 'qual_photo.required' => '资质证书照片不能为空', 'qual_photo.max' => '资质证书照片地址不能超过255个字符', 'valid_start.date' => '有效期开始日期格式不正确', 'valid_end.date' => '有效期结束日期格式不正确', 'valid_end.after_or_equal' => '有效期结束日期必须大于或等于开始日期' ]; } }