//获得汉字的区位码
byte[] array = new byte[2];
array = System.Text.Encoding.Default.GetBytes("啊");
byte[] array = new byte[2];
array = System.Text.Encoding.Default.GetBytes("啊");
int i1 = (short)(array[0] - ''\0'');
int i2 = (short)(array[1] - ''\0'');
//unicode解码方式下的汉字码
array = System.Text.Encoding.Unicode.GetBytes("啊");
i1 = (short)(array[0] - ''\0'');
i2 = (short)(array[1] - ''\0'');
//unicode反解码为汉字
string str = "4a55";
string s1 = str.Substring(0,2);
string s2 = str.Substring(2,2);
int t1 = Convert.ToInt32(s1,16);
int t2 = Convert.ToInt32(s2,16);
array[0] = (byte)t1;
array[1] = (byte)t2;
string s = System.Text.Encoding.Unicode.GetString(array);
//default方式反解码为汉字
array[0] = (byte)196;
array[1] = (byte)207;
s = System.Text.Encoding.Default.GetString(array);
文章来源:http://spaces.msn.com/members/Grisson/Blog/cns!1pdzVqmOhs8O_w1Y7GbtnyFQ!213.entry