获取枚举描述

/// <summary> 
/// 获取枚举描述
/// </summary> 
/// <param name="en">枚举</param> 
/// <returns>返回枚举的描述 </returns> 
public static string GetDescription(Enum en)
{
Type type = en.GetType(); //获取类型 
MemberInfo[] memberInfos = type.GetMember(en.ToString()); //获取成员 
if (memberInfos != null && memberInfos.Length > 0)
{
DescriptionAttribute[] attrs = memberInfos[0].GetCustomAttributes(typeof(DescriptionAttribute), false) as DescriptionAttribute[]; //获取描述特性 
if (attrs != null && attrs.Length > 0)
{
return attrs[0].Description; //返回当前描述
}
}
return en.ToString();
}