BitConverter用于基础数据类型与字节数组相互转换
在vs2005中，新建控制台应用程序TestBitConvert，测试静态类BitConverter的使用情况。
★源代码：
using System;
using System.Collections.Generic; using System.Text;
namespace TestBitConvert {
class Program {
static void Main(string[] args) {
Console.WriteLine("boolean占1个字节"); bool[] bl = new bool[] { true, false }; for (int j = 0; j < bl.Length; j++)
{
byte[] bufferC = BitConverter.GetBytes(bl[j]); string s = string.Empty;
for (int i = 0; i < bufferC.Length; i++) {
s += (s.Length == 0 ? "" : ",") + bufferC[i];
}
Console.WriteLine("[{0}]转换为字节数组为：{1}", bl[j], s); }
Console.WriteLine();
Console.WriteLine("字符转换为2个字节.(C#中字符时unicode编码,占2个字节)");
char[] ch = new char[] { 'A', '我' }; for (int j = 0; j < ch.Length; j++) {
byte[] bufferC = BitConverter.GetBytes(ch[j]); string s = string.Empty;
for (int i = 0; i < bufferC.Length; i++)
{
s += (s.Length == 0 ? "" : ",") + bufferC[i];
}
Console.WriteLine("字符[{0}]转换为字节数组为：{1}", ch[j], s); }
Console.WriteLine();
Console.WriteLine("double类型转换为8个字节");
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double[] dl = new double[] { 21.3, 12.345, 1.0, 8, 1.59 }; for (int j = 0; j < dl.Length; j++) {
byte[] bufferC = BitConverter.GetBytes(dl[j]); string s = string.Empty;
for (int i = 0; i < bufferC.Length; i++) {
s += (s.Length == 0 ? "" : ",") + bufferC[i]; }
Console.WriteLine("[{0}]转换为字节数组为：{1}", dl[j], s); }
Console.WriteLine();
Console.WriteLine("下面测试int与unit的字节数组的问题,测试低位在前和高位在前情况:");
Console.WriteLine("本地计算机的字节顺序是否是低位在前:{0}", BitConverter.IsLittleEndian);//是否低位在前
int number = 88888888;
byte[] buffer = BitConverter.GetBytes(number);//低位在前：本机的默认设置
string s1 = "";
for (int i = 0; i < buffer.Length; i++) {
s1 += buffer[i].ToString("X2");//低位在前 }
string s2 = Convert.ToString(number, 16);//高位在前 string s3 = number.ToString("X8");//高位在前
Console.WriteLine("s1={0},s2={1},s3={2}", s1, s2, s3);
int x = -1234567890;
byte[] bytes = BitConverter.GetBytes(x); Console.Write("整数转化为字节数组为："); for (int i = 0; i < bytes.Length; i++) {
Console.Write(bytes[i] + ","); }
Console.WriteLine();
uint y = BitConverter.ToUInt32(bytes, 0); uint z = (uint)x;
Console.WriteLine("x={0},y={1},z={2}, y-x={3} y和z相等:{4}", x, y, z, (long)y-x, y==z);
Console.ReadLine(); } }
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