/// <summary>
/// 使用：
/// typeOf(IsEnable).GetEnumList();
/// 获取枚举的Id和Name，包含枚举中的所有枚举项(不包括空项)
/// </summary>
/// <param name="enumType">枚举类型(需要查看的枚举类型typeof())</param>
/// <returns></returns>
public static IList<BaseEnumInf> GetEnumListInfo(this Type enumType)
{
if (!enumType.IsEnum) //首先判断传递进来的对象是否是枚举
{
throw new InvalidOperationException("传递的对象不是枚举项，抛出异常");
}
IList<BaseEnumInf> listBaseEnumInfs = new List<BaseEnumInf>();
//获取枚举的Description特性(说明项)
Type typeDescription = typeof (DescriptionAttribute);
//获取所有的枚举字段
FieldInfo[] fieldInfos = enumType.GetFields();
foreach (var fieldInfo in fieldInfos) //循环得到的枚举对象
{
BaseEnumInf baseEnumInf = new BaseEnumInf();
if (!fieldInfo.FieldType.IsEnum) //判断字段类型是否是枚举
continue;
//获取枚举的Id信息
baseEnumInf.Id = (int) enumType.InvokeMember(fieldInfo.Name, BindingFlags.GetField, null, null, null);
//不包括空值
if (baseEnumInf.Id >= 0)
{
object[] arrayObjects = fieldInfo.GetCustomAttributes(typeDescription, false);
baseEnumInf.Name = arrayObjects.Length > 0
? ((DescriptionAttribute) arrayObjects[0]).Description
: fieldInfo.Name;
//添加到列表中返回
listBaseEnumInfs.Add(baseEnumInf);
}
}
return listBaseEnumInfs;
}
/// <summary>
/// 使用：
/// typeOf(IsEnable).GetEnumList();
/// 获取枚举的Id和Name，包含枚举中的所有枚举项(不包括空项)
/// </summary>
/// <param name="enumType">枚举类型(需要查看的枚举类型typeof())</param>
/// <returns></returns>
public static IList <BaseEnumInf> GetEnumListInfo(this Type enumType)
{
if (!enumType.IsEnum) //首先判断传递进来的对象是否是枚举
{
throw new InvalidOperationException("传递的对象不是枚举项，抛出异常");
}
IList <BaseEnumInf> listBaseEnumInfs = new List <BaseEnumInf>();
//获取枚举的Description特性(说明项)
Type typeDescription = typeof(DescriptionAttribute);
//获取所有的枚举字段
FieldInfo[] fieldInfos = enumType.GetFields();
foreach (var fieldInfo in fieldInfos) //循环得到的枚举对象
{
BaseEnumInf baseEnumInf = new BaseEnumInf();
if (!fieldInfo.FieldType.IsEnum) //判断字段类型是否是枚举
{
continue;
}
//获取枚举的Id信息
baseEnumInf.Id = (int)enumType.InvokeMember(fieldInfo.Name, BindingFlags.GetField, null, null, null);
//不包括空值
if (baseEnumInf.Id >= 0)
{
object[] arrayObjects = fieldInfo.GetCustomAttributes(typeDescription, false);
baseEnumInf.Name = arrayObjects.Length > 0
? ((DescriptionAttribute)arrayObjects[0]).Description
: fieldInfo.Name;
//添加到列表中返回
listBaseEnumInfs.Add(baseEnumInf);
}
}
return(listBaseEnumInfs);
}
