YD_Event.Admin/YD_Event.Application/Region/Dtos/RegionDto.cs

using System.ComponentModel.DataAnnotations;
using SqlSugar;

namespace YD_Event.Application.Region.Dtos
{
    /// <summary>
    /// 区域分页查询输入
    /// </summary>
    public class RegionPageInput : Pagination
    {
        /// <summary>
        /// 区域名称(模糊查询)
        /// </summary>
        public string? Name { get; set; }
        
        /// <summary>
        /// 区域编码
        /// </summary>
        public string? Code { get; set; }
    }

    /// <summary>
    /// 行政区域数据传输对象
    /// </summary>
    public class RegionDto
    {
        /// <summary>
        /// 主键ID
        /// </summary>
        public long Id { get; set; }

        /// <summary>
        /// 区域编码
        /// </summary>
        public string Code { get; set; }

        /// <summary>
        /// 区域名称
        /// </summary>
        public string Name { get; set; }
        
        /// <summary>
        /// 父级编码 (省份为大区Code，城市为省份Code，区县为城市Code)
        /// </summary>
        public string ParentCode { get; set; }
    }

    /// <summary>
    /// 新增/更新行政区域输入
    /// </summary>
    public class RegionInput
    {
        /// <summary>
        /// 主键ID (更新时必填)
        /// </summary>
        public long Id { get; set; }

        /// <summary>
        /// 区域编码
        /// </summary>
        [Required(ErrorMessage = "区域编码不能为空")]
        [MaxLength(50, ErrorMessage = "区域编码最大长度为50")]
        public string Code { get; set; }

        /// <summary>
        /// 区域名称
        /// </summary>
        [Required(ErrorMessage = "区域名称不能为空")]
        [MaxLength(50, ErrorMessage = "区域名称最大长度为50")]
        public string Name { get; set; }

        /// <summary>
        /// 父级编码
        /// </summary>
        [MaxLength(50, ErrorMessage = "父级编码最大长度为50")]
        public string ParentCode { get; set; }
    }
}