C#类型转换2

namespace WDBuyNET.DMSFrame.Utils.Helpers
{
public static class TypeHelper
{
public static object ChangeType(Type targetType, object val)
{
object result;
if (val == null)
{
result = null;
}
else
{
if (targetType.IsAssignableFrom(val.GetType()))
{
result = val;
}
else
{
if (targetType == val.GetType())
{
result = val;
}
else
{
if (targetType == typeof(bool))
{
if (val.ToString() == "0")
{
result = false;
return result;
}
if (val.ToString() == "1")
{
result = true;
return result;
}
}
if (targetType.IsEnum)
{
int num = 0;
result = (int.TryParse(val.ToString(), out num) ? val : Enum.Parse(targetType, val.ToString()));
}
else
{
result = ((!(targetType == typeof(Type))) ? ((!(targetType == typeof(IComparable))) ? Convert.ChangeType(val, targetType) : val) : ReflectionHelper.GetType(val.ToString()));
}
}
}
}
return result;
}
public static string GetClassSimpleName(Type t)
{
string[] array = t.ToString().Split(new char[]
{
'.'
});
return array[array.Length - 1].ToString();
}
public static object GetDefaultValue(Type destType)
{
return (!TypeHelper.IsNumbericType(destType)) ? ((!(destType == typeof(string))) ? ((!(destType == typeof(bool))) ? ((!(destType == typeof(DateTime))) ? ((!(destType == typeof(Guid))) ? ((!(destType == typeof(TimeSpan))) ? null : TimeSpan.Zero) : Guid.NewGuid()) : DateTime.Now) : false) : "") : 0;
}
public static string GetDefaultValueString(Type destType)
{
return (!TypeHelper.IsNumbericType(destType)) ? ((!(destType == typeof(string))) ? ((!(destType == typeof(bool))) ? ((!(destType == typeof(DateTime))) ? ((!(destType == typeof(Guid))) ? ((!(destType == typeof(TimeSpan))) ? "null" : "System.TimeSpan.Zero") : "System.Guid.NewGuid()") : "DateTime.Now") : "false") : "\"\"") : "0";
}
public static Type GetTypeByRegularName(string regularName)
{
return ReflectionHelper.GetType(regularName);
}
public static string GetTypeRegularName(Type destType)
{
string arg1 = destType.Assembly.FullName.Split(new char[]
{
','
})[0];
return string.Format("{0},{1}", destType.ToString(), arg1);
}
public static string GetTypeRegularNameOf(object obj)
{
return TypeHelper.GetTypeRegularName(obj.GetType());
}
public static bool IsFixLength(Type destDataType)
{
bool arg_46_0;
if (!TypeHelper.IsNumbericType(destDataType))
{
if (!(destDataType == typeof(byte[])))
{
arg_46_0 = (destDataType == typeof(DateTime) || destDataType == typeof(bool));
}
else
{
arg_46_0 = true;
}
}
else
{
arg_46_0 = true;
}
return arg_46_0;
}
public static bool IsIntegerCompatibleType(Type destDataType)
{
bool arg_92_0;
if (!(destDataType == typeof(int)) && !(destDataType == typeof(uint)) && !(destDataType == typeof(short)) && !(destDataType == typeof(ushort)) && !(destDataType == typeof(long)) && !(destDataType == typeof(ulong)) && !(destDataType == typeof(byte)))
{
arg_92_0 = (destDataType == typeof(sbyte));
}
else
{
arg_92_0 = true;
}
return arg_92_0;
}
public static bool IsNumbericType(Type destDataType)
{
bool arg_D1_0;
if (!(destDataType == typeof(int)) && !(destDataType == typeof(uint)) && !(destDataType == typeof(double)) && !(destDataType == typeof(short)) && !(destDataType == typeof(ushort)) && !(destDataType == typeof(decimal)) && !(destDataType == typeof(long)) && !(destDataType == typeof(ulong)) && !(destDataType == typeof(float)) && !(destDataType == typeof(byte)))
{
arg_D1_0 = (destDataType == typeof(sbyte));
}
else
{
arg_D1_0 = true;
}
return arg_D1_0;
}
public static bool IsSimpleType(Type t)
{
bool arg_7B_0;
if (!TypeHelper.IsNumbericType(t))
{
if (!(t == typeof(char)))
{
if (!(t == typeof(string)))
{
if (!(t == typeof(bool)))
{
if (!(t == typeof(DateTime)))
{
arg_7B_0 = (t == typeof(Type) || t.IsEnum);
}
else
{
arg_7B_0 = true;
}
}
else
{
arg_7B_0 = true;
}
}
else
{
arg_7B_0 = true;
}
}
else
{
arg_7B_0 = true;
}
}
else
{
arg_7B_0 = true;
}
return arg_7B_0;
}
}
}