C# 读取枚举描述信息实例
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.Serialization.Json;
using System.IO;
using System.Data;
using System.ComponentModel;
using System.Web.UI.WebControls;
namespace SieCom.YQ.Common
{
public class CommondLibray
{
public CommondLibray()
{
//TODO
}
#region 根据枚举值获取枚举描述信息(单个)
/// <summary>
/// 根据枚举值获取枚举描述信息(单个)
/// </summary>
/// <typeparam name="TEnum">枚举</typeparam>
/// <param name="value">枚举值</param>
/// <returns></returns>
public static string GetEnumDescription<TEnum>(object value)
{
string result = string.Empty;
Type enumType = typeof(TEnum);
if (enumType.IsEnum)
{
var name = System.Enum.GetName(enumType, Convert.ToInt32(value));
if (name != null)
{
object[] objs = enumType.GetField(name).GetCustomAttributes(typeof(DescriptionAttribute), false);
if (objs != null && objs.Length > 0)
{
DescriptionAttribute attr = objs[0] as DescriptionAttribute;
result = attr.Description;
}
else
{
//TODO
}
}
else
{
//TODO
}
}
return result;
}
#endregion
#region 获取枚举列表
/// <summary>
/// 获取枚举列表
/// </summary>
/// <param name="enumType">枚举类型</param>
/// <param name="IsAll">是否在枚举列表前加入全部</param>
/// <returns>枚举对应的ListItem</returns>
public static List<ListItem> GetEnumList(Type enumType, bool IsAll)
{
List<ListItem> list = new List<ListItem>();
if (enumType.IsEnum)
{
if (IsAll)
list.Add(new ListItem("--请选择--", "-1"));
Type type = typeof(DescriptionAttribute);
System.Reflection.FieldInfo[] files = enumType.GetFields();
string strText = string.Empty;
string strValue = string.Empty;
foreach (System.Reflection.FieldInfo field in files)
{
if (field.IsSpecialName) continue;
strValue = field.GetRawConstantValue().ToString();
object[] arr = field.GetCustomAttributes(type, true);
if (arr.Length > 0)
strText = (arr[0] as DescriptionAttribute).Description;
else strText = field.Name;
list.Add(new ListItem(strText, strValue));
}
}
return list;
}
#endregion
}
}