C# 数据类型映射 (SQLite,MySQL,MSSQL,Oracle)

using System;
using System.Collections.Generic;
using System.Text;

namespace vJine.Core.ORM {
public class TypeConverter {

public class sbyte_ /*: IConverter<sbyte>*/ {
public static sbyte CONV_Q(object V) {
return (sbyte)V;
}
}

public class ushort_ /*: IConverter<ushort>*/ {
public static ushort CONV_Q(object V) {
return (ushort)V;
}
}

public class uint_ /*: IConverter<uint>*/ {
public static uint CONV_Q(object V) {
return (uint)V;
}
}

public class ulong_ /*: IConverter<ulong>*/ {
public static ulong CONV_Q(object V) {
return (ulong)V;
}
}

public class bool_string /*: IConverter<bool>*/ {
public static object CONV_I(object V) {
if ((bool)V == true) {
return "1";
} else {
return "0";
}
}

public static bool CONV_Q(object V) {
if ((string)V == "1") {
return true;
} else {
return false;
}
}
}

public class sbyte_short /*: IConverter<sbyte>*/ {

public static object CONV_I(object V) {
return Convert.ToInt16(V);
}

public static sbyte CONV_Q(object V) {
return Convert.ToSByte(V);
}
}

public class byte_short /*: IConverter<byte>*/ {
public static object CONV_I(object V) {
return Convert.ToInt16(V);
}

public static byte CONV_Q(object V) {
return Convert.ToByte(V);
}
}

public class short_int /*: IConverter<short>*/ {
public static object CONV_I(object V) {
return Convert.ToInt32(V);
}

public static short CONV_Q(object V) {
return Convert.ToInt16(V);
}
}

public class ushort_int /*: IConverter<ushort>*/ {
public static object CONV_I(object V, string Name) {
return Convert.ToInt32(V);
}

public static ushort CONV_Q(object V, string Name) {
return Convert.ToUInt16(V);
}
}

public class int_long /*: IConverter<int>*/ {
public static object CONV_I(object V) {
return Convert.ToInt64(V);
}

public static int CONV_Q(object V) {
return Convert.ToInt32(V);
}
}

public class uint_long /*: IConverter<uint>*/ {
public static object CONV_I(object V) {
return Convert.ToInt64(V);
}

public static uint CONV_Q(object V) {
return Convert.ToUInt32(V);
}
}

public class long_decimal /*: IConverter<long>*/ {
public static object CONV_I(object V) {
return decimal.Parse(V.ToString());
}

public static long CONV_Q(object V) {
return long.Parse(V.ToString());
}
}

public class ulong_float /*: IConverter<ulong>*/ {
public static object CONV_I(object V) {
return Convert.ToSingle(V);
}

public static ulong CONV_Q(object V) {
return Convert.ToUInt64(V);
}
}

public class ulong_decimal /*: IConverter<ulong>*/ {
public static object CONV_I(object V) {
return decimal.Parse(V.ToString());
}

public static ulong CONV_Q(object V) {
return ulong.Parse(V.ToString());
}
}

public class float_double /*: IConverter<float>*/ {
public static object CONV_I(object V) {
return Convert.ToDouble(V);
}

public static float CONV_Q(object V) {
return Convert.ToSingle(V);
}
}

public class char_string /*: IConverter<char>*/ {
public static object CONV_I(object V) {
if (V is Char) {
return V;
} else if (V is string) {
string chars = (string)V;
if (chars == "") {
return '\0';
} else {
return chars[0];
}
} else {
throw new OrmException("Fail To Convert String[{0}] To Char", V);
}
}

public static char CONV_Q(object V) {
return ((string)V)[0];
}
}

public class DateTime_ /*: IConverter<DateTime>*/ {
public static object CONV_I(object V) {
return V;
}

public static DateTime CONV_Q(object V) {
return (DateTime)V;
}
}
}
}