/// <summary>
/// enum to list
/// </summary>
/// <param name="type">typeof(enum)</param>
/// <param name="removeValues">remove values</param>
/// <returns></returns>
public static List <EnumObj> GetList(Type type, string[] removeValues)
{
if (type.IsEnum != true)
{ //不是枚举的要报错
throw new InvalidOperationException();
}
//建立列表
List <EnumObj> list = new List <EnumObj>();
//获得特性Description的类型信息
//Type typeDescription = typeof(DescriptionAttribute);
//获得枚举的字段信息（因为枚举的值实际上是一个static的字段的值）
System.Reflection.FieldInfo[] fields = type.GetFields();
//检索所有字段
foreach (FieldInfo field in fields)
{
//过滤掉一个不是枚举值的，记录的是枚举的源类型
if (field.FieldType.IsEnum == true)
{
EnumObj obj = new EnumObj();
// 通过字段的名字得到枚举的值
// 枚举的值如果是long的话，ToChar会有问题，但这个不在本文的讨论范围之内
string value = ((int)type.InvokeMember(field.Name, BindingFlags.GetField, null, null, null)).ToString();
if (removeValues != null && removeValues.Length > 0 && removeValues.Contains(value))
{
continue;
}
obj.Value = value;
obj.Text = field.Name;
////获得这个字段的所有自定义特性，这里只查找Description特性
//object[] arr = field.GetCustomAttributes(typeDescription, true);
//if (arr.Length > 0)
//{
// //因为Description这个自定义特性是不允许重复的，所以我们只取第一个就可以了！
// DescriptionAttribute aa = (DescriptionAttribute)arr[0];
// //获得特性的描述值，也就是‘男’‘女’等中文描述
// dr["Text"] = aa.Description;
//}
//else
//{
// //如果没有特性描述（-_-!忘记写了吧~）那么就显示英文的字段名
// dr["Text"] = field.Name;
//}
list.Add(obj);
}
}
return(list);
}
/// <summary>
/// enum to list
/// </summary>
/// <param name="type">typeof(enum)</param>
/// <param name="removeValues">remove values</param>
/// <param name="replaces">要替换显示Text的KV集</param>
/// <returns></returns>
public static List <EnumObj> GetList(Type type, string[] removeValues, List <EnumObj> replaces)
{
if (!type.IsEnum)
{
throw new InvalidOperationException();
}
List <EnumObj> list = new List <EnumObj>();
System.Reflection.FieldInfo[] fields = type.GetFields();
foreach (FieldInfo field in fields)
{
if (field.FieldType.IsEnum == true)
{
EnumObj obj = new EnumObj();
string _value = ((int)type.InvokeMember(field.Name, BindingFlags.GetField, null, null, null)).ToString();
string _text = field.Name;
if (removeValues != null && removeValues.Length > 0 && removeValues.Contains(_value))
{
continue;
}
if (replaces != null && replaces.Count > 0)
{
foreach (var replace in replaces)
{
if (replace.Value == _value && !string.IsNullOrEmpty(replace.Text))
{
_text = replace.Text;
break;
}
}
}
obj.Value = _value;
obj.Text = _text;
list.Add(obj);
}
}
return(list);
}
/// <summary>
/// enum to list
/// </summary>
/// <param name="type">typeof(enum)</param>
/// <param name="removeValues">remove values</param>
/// <param name="replaces">要替换显示Text的KV集</param>
/// <returns></returns>
public static List<EnumObj> GetList(Type type, string[] removeValues, List<EnumObj> replaces)
{
if (!type.IsEnum)
{
throw new InvalidOperationException();
}
List<EnumObj> list = new List<EnumObj>();
System.Reflection.FieldInfo[] fields = type.GetFields();
foreach (FieldInfo field in fields)
{
if (field.FieldType.IsEnum == true)
{
EnumObj obj = new EnumObj();
string _value = ((int)type.InvokeMember(field.Name, BindingFlags.GetField, null, null, null)).ToString();
string _text = field.Name;
if (removeValues != null && removeValues.Length > 0 && removeValues.Contains(_value)) continue;
if (replaces != null && replaces.Count > 0)
{
foreach (var replace in replaces)
{
if (replace.Value == _value && !string.IsNullOrEmpty(replace.Text))
{
_text = replace.Text;
break;
}
}
}
obj.Value = _value;
obj.Text = _text;
list.Add(obj);
}
}
return list;
}
