c#枚举转字典或表格

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

namespace CommonLibrary
{
    /// <summary>
    /// 性别
    /// </summary>
    public enum Sex
    {
        [Description("男")]
        Man = 1,
        [Description("女")]
        Woman = 2
    }
    /// <summary>
    /// 操作日志类型
    /// </summary>
    public enum OperationType
    {
        [Description("新建")]
        Create = 1,
        [Description("删除")]
        Delete = 2,
        [Description("更新")]
        Update = 3
    }

    public enum YesNo
    {
        [Description("是")]
        Yes = 1,
        [Description("否")]
        No = 2
    }

    /// <summary>
    /// 
    /// </summary>
    public static class EnumHelper
    {
        /// <summary>
        /// 枚举转表格（无需获取说明时使用）
        /// </summary>
        /// <param name="type"></param>
        /// <param name="key"></param>
        /// <param name="value"></param>
        /// <returns></returns>
        public static DataTable EnumToDataTable(Type type, string key = "key", string value = "val")
        {
            string[] Names = System.Enum.GetNames(type);

            Array Values = System.Enum.GetValues(type);

            DataTable table = new DataTable();
            table.Columns.Add(value, System.Type.GetType("System.String"));
            table.Columns.Add(key, System.Type.GetType("System.Int32"));
            table.Columns[key].Unique = true;
            for (int i = 0; i < Values.Length; i++)
            {
                DataRow DR = table.NewRow();
                DR[value] = Names[i].ToString();
                DR[key] = (int)Values.GetValue(i);
                table.Rows.Add(DR);
            }
            return table;
        }

        /// <summary>
        /// 枚举转表格（需要获取说明时使用）
        /// </summary>
        /// <param name="type"></param>
        /// <param name="key"></param>
        /// <param name="value"></param>
        /// <returns></returns>
        public static DataTable EnumToDataTable<T>(string key = "key", string value = "val")
        {
            Type type = typeof(T);

            string[] Names = System.Enum.GetNames(type);
            Array Values = System.Enum.GetValues(type);
            string desc = string.Empty;

            DataTable table = new DataTable();
            table.Columns.Add(value, System.Type.GetType("System.String"));
            table.Columns.Add(key, System.Type.GetType("System.Int32"));
            table.Columns[key].Unique = true;
            for (int i = 0; i < Values.Length; i++)
            {
                T t = (T)System.Enum.Parse(typeof(T), Values.GetValue(i).ToString());

                MemberInfo[] memInfo = type.GetMember(t.ToString());

                if (memInfo != null && memInfo.Length > 0)
                {
                    object[] attrs = memInfo[0].GetCustomAttributes(typeof(DescriptionAttribute), false);
                    if (attrs != null && attrs.Length > 0)
                    {
                        desc = ((DescriptionAttribute)attrs[0]).Description;
                    }
                }

                DataRow DR = table.NewRow();
                DR[value] = string.IsNullOrEmpty(desc) ? Names[i].ToString() : desc
                DR[key] = (int)Values.GetValue(i);
                table.Rows.Add(DR);
            }
            return table;
        }

        /// <summary>
        /// 枚举转字典(无需获取描述时使用)
        /// </summary>
        /// <param name="type"></param>
        /// <returns></returns>
        public static IDictionary<int, string> EnumToDictionary(Type type)
        {
            string[] Names = System.Enum.GetNames(type);

            Array Values = System.Enum.GetValues(type);

            IDictionary<int, string> dic = new Dictionary<int, string>();

            for (int i = 0; i < Values.Length; i++)
            {
                dic.Add((int)Values.GetValue(i), Names[i].ToString());
            }

            return dic;
        }

        /// <summary>
        /// 枚举转字典（需获取描述时使用）
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="type"></param>
        /// <returns></returns>
        public static IDictionary<int, string> EnumToDictionary<T>()
        {
            Type type = typeof(T);

            string[] Names = System.Enum.GetNames(type);

            Array Values = System.Enum.GetValues(type);

            IDictionary<int, string> dic = new Dictionary<int, string>();

            string desc = string.Empty;

            for (int i = 0; i < Values.Length; i++)
            {
                T t = (T)System.Enum.Parse(typeof(T), Values.GetValue(i).ToString());

                MemberInfo[] memInfo = type.GetMember(t.ToString());

                if (memInfo != null && memInfo.Length > 0)
                {
                    object[] attrs = memInfo[0].GetCustomAttributes(typeof(DescriptionAttribute), false);
                    if (attrs != null && attrs.Length > 0)
                    {
                        desc = ((DescriptionAttribute)attrs[0]).Description;
                    }
                }
                //GetEnumDesc(T);

                dic.Add((int)Values.GetValue(i), string.IsNullOrEmpty(desc) ? Names[i].ToString() : desc);
            }

            return dic;
        }

    }
}