添加项目文件。

Epost.Model/ListBase.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Epost.Model
+{
+    #region 列表基类视图模型
+    /// <summary>
+    /// 列表基类视图模型
+    /// </summary>
+    public class ListBase : Model.Base
+    {
+        #region 总记录数
+        /// <summary>
+        /// 总记录数
+        /// </summary>
+        [Display(Name = "总记录数")]
+        public int? TotalCount { get; set; }
+        #endregion
+
+        #region 页大小
+        /// <summary>
+        /// 页大小
+        /// </summary>
+        [Display(Name = "页大小")]
+        public int? PageSize { get; set; }
+        #endregion
+
+        #region 页索引
+        /// <summary>
+        /// 页索引
+        /// </summary>
+        [Display(Name = "页索引")]
+        public int? PageIndex { get; set; }
+        #endregion
+
+        #region 排序字段
+        /// <summary>
+        /// 排序字段
+        /// </summary>
+        [Display(Name = "排序字段")]
+        public string SortField { get; set; }
+        #endregion
+
+        #region 排序方向
+        /// <summary>
+        /// 排序方向
+        /// </summary>
+        [Display(Name = "排序方向")]
+        public string SortDir { get; set; }
+        #endregion
+
+        #region 关键字
+        /// <summary>
+        /// 关键字
+        /// </summary>
+        [Display(Name = "关键字")]
+        public string Keywords { get; set; }
+        #endregion
+
+        #region 开始时间
+        /// <summary>
+        /// 开始时间
+        /// </summary>
+        [Display(Name = "开始时间")]
+        public DateTime? StartTime { get; set; }
+        #endregion
+
+        #region 结束时间
+        /// <summary>
+        /// 结束时间
+        /// </summary>
+        [Display(Name = "结束时间")]
+        public DateTime? EndTime { get; set; }
+        #endregion
+
+        #region 状态
+        /// <summary>
+        /// 状态
+        /// </summary>
+        [Display(Name = "状态")]
+        public int? Status { get; set; }
+        /// <summary>
+        /// 类别
+        /// </summary>
+        [Display(Name = "类别")]
+        public int? Type { get; set; }
+        #endregion
+    }
+    #endregion
+}