c#简单类型

类型BCL 类型说明示例objectSystem.Object所有其他类型的最终基类型object o = null;stringSystem.String字符串类型；字符串是 Unicode 字符序列string s = "hello";sbyteSystem.SByte8 位有符号整型sbyte val = 12;shortSystem.Int1616 位有符号整型short val = 12;intSystem.Int3232 位有符号整型int val = 12;longSystem.Int6464 位有符号整型long val1 = 12;long val2 = 34L;byteSystem.Byte8 位无符号整型byte val1 = 12;ushortSystem.UInt1616 位无符号整型ushort val1 = 12;uintSystem.UInt3232 位无符号整型uint val1 = 12;uint val2 = 34U;ulongSystem.UInt6464 位无符号整型ulong val3 = 56L;ulong val4 = 78UL;floatSystem.Single单精度浮点型float val = 1.23F;doubleSystem.Double双精度浮点型double val1 = 1.23;double val2 = 4.56D;boolSystem.Boolean布尔型；bool 值或为真或为假bool val1 = true;bool val2 = false;charSystem.Char字符类型；char 值是一个 Unicode 字符(16位)char val = 'h';decimalSystem.Decimal精确的小数类型，具有 28 个有效数字decimal val = 1.23M;