sample29.cs

C#函数手册

namespace apiBook
{
	using System;	
	public class TestUriClass
	{
		public static void Main()
		{
			Console.WriteLine("FromHex('A')="+Uri.FromHex('A'));
			//使用FromHex方法获取字符的16进制的十进制值
			Console.WriteLine("FromHex('a')="+Uri.FromHex('a'));
			Console.WriteLine("FromHex('C')="+Uri.FromHex('C'));			
			Console.WriteLine("FromHex('1')="+Uri.FromHex('1'));
			Console.WriteLine("FromHex('0')="+Uri.FromHex('0'));	
			Console.WriteLine("HexEscape('W')="+Uri.HexEscape('W'));
			Console.WriteLine("IsHexDigit('Q')="+Uri.IsHexDigit('Q'));
			Console.WriteLine("IsHexDigit('A')="+Uri.IsHexDigit('A'));
			Console.WriteLine("IsHexDigit('2')="+Uri.IsHexDigit('2'));
			//使用HexEscape方法将字符转换为16进制
			Console.WriteLine("HexEscape('2')="+Uri.HexEscape('2'));
			Console.WriteLine("HexEscape('A')="+Uri.HexEscape('A'));
			Console.WriteLine("HexEscape('0')="+Uri.HexEscape('0'));
			Console.WriteLine("HexEscape('!')="+Uri.HexEscape('!'));
			Console.WriteLine("HexEscape('@')="+Uri.HexEscape('@'));	
			string s="2%a1%23aq";
			Console.WriteLine("字符串内容："+s);
			for(int i=0;i<s.Length;i++)
				Console.WriteLine("第"+i+"个十六进制字符："+Uri.HexUnescape(s,ref i));
			//使用HexUnescape方法获取16进制字符
			char c;
			for(int i=0;i<s.Length;i++)
			{
				c=Uri.HexUnescape(s,ref i);
				if(Uri.IsHexDigit(c))
					//使用IsHexDigit方法判断是否为十六进制字符
					Console.WriteLine("字符串的第"+i+"个是十六进制字符。");
				else Console.WriteLine("字符串的第"+i+"个不是十六进制字符。");
			}
			for(int i=0;i<s.Length;i++)
				Console.WriteLine(Uri.IsHexEncoding(s,i));
			//使用IsHexEncoding方法
		}
	}
}