直接上代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace qq_qun
{
public class Escape
{
private static String[] hex = {
"00","01","02","03","04","05","06","07","08","09","0A","0B","0C","0D","0E","0F",
"10","11","12","13","14","15","16","17","18","19","1A","1B","1C","1D","1E","1F",
"20","21","22","23","24","25","26","27","28","29","2A","2B","2C","2D","2E","2F",
"30","31","32","33","34","35","36","37","38","39","3A","3B","3C","3D","3E","3F",
"40","41","42","43","44","45","46","47","48","49","4A","4B","4C","4D","4E","4F",
"50","51","52","53","54","55","56","57","58","59","5A","5B","5C","5D","5E","5F",
"60","61","62","63","64","65","66","67","68","69","6A","6B","6C","6D","6E","6F",
"70","71","72","73","74","75","76","77","78","79","7A","7B","7C","7D","7E","7F",
"80","81","82","83","84","85","86","87","88","89","8A","8B","8C","8D","8E","8F",
"90","91","92","93","94","95","96","97","98","99","9A","9B","9C","9D","9E","9F",
"A0","A1","A2","A3","A4","A5","A6","A7","A8","A9","AA","AB","AC","AD","AE","AF",
"B0","B1","B2","B3","B4","B5","B6","B7","B8","B9","BA","BB","BC","BD","BE","BF",
"C0","C1","C2","C3","C4","C5","C6","C7","C8","C9","CA","CB","CC","CD","CE","CF",
"D0","D1","D2","D3","D4","D5","D6","D7","D8","D9","DA","DB","DC","DD","DE","DF",
"E0","E1","E2","E3","E4","E5","E6","E7","E8","E9","EA","EB","EC","ED","EE","EF",
"F0","F1","F2","F3","F4","F5","F6","F7","F8","F9","FA","FB","FC","FD","FE","FF"
};
private static byte[] val = {
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F
};
public static String escape(String s)
{
if (s == null) return "";
StringBuilder sbuf = new StringBuilder();
int len = s.Length;
for (int i = 0; i < len; i++)
{
int ch = s[i];
if ('A' <= ch && ch <= 'Z')
{ // 'A'..'Z' : as it was
sbuf.Append((char)ch);
}
else if ('a' <= ch && ch <= 'z')
{ // 'a'..'z' : as it was
sbuf.Append((char)ch);
}
else if ('0' <= ch && ch <= '9')
{ // '0'..'9' : as it was
sbuf.Append((char)ch);
}
else if (ch == '-' || ch == '_' // unreserved : as it was
|| ch == '.' || ch == '!'
|| ch == '~' || ch == '*'
|| ch == '\'' || ch == '('
|| ch == ')')
{
sbuf.Append((char)ch);
}
else if (ch <= 0x007F)
{ // other ASCII : map to %XX
sbuf.Append('%');
sbuf.Append(hex[ch]);
}
else
{ // unicode : map to %uXXXX
sbuf.Append('%');
sbuf.Append('u');
int cht = ch;
//StringBuilder tmp = new StringBuilder();
sbuf.Append(hex[(ch >>= 8)]);
sbuf.Append(hex[(0x00FF & cht)]);
}
}
return sbuf.ToString();
}
public static String unescape(String s)
{
StringBuilder sbuf = new StringBuilder();
int i = 0;
int len = s.Length;
while (i < len)
{
int ch = s[i];
/*if (ch == '+') { // + : map to ' '
sbuf.Append(' ');
} else*/
if ('A' <= ch && ch <= 'Z')
{ // 'A'..'Z' : as it was
sbuf.Append((char)ch);
}
else if ('a' <= ch && ch <= 'z')
{ // 'a'..'z' : as it was
sbuf.Append((char)ch);
}
else if ('0' <= ch && ch <= '9')
{ // '0'..'9' : as it was
sbuf.Append((char)ch);
}
else if (ch == '-' || ch == '_' // unreserved : as it was
|| ch == '.' || ch == '!'
|| ch == '~' || ch == '*'
|| ch == '\'' || ch == '('
|| ch == ')')
{
sbuf.Append((char)ch);
}
else if (ch == '%')
{
int cint = 0;
if ('u' != s[i + 1])
{ // %XX : map to ascii(XX)
cint = (cint << 4) | val[s[i + 1]];
cint = (cint << 4) | val[s[i + 2]];
i += 2;
}
else
{ // %uXXXX : map to unicode(XXXX)
cint = (cint << 4) | val[s[i + 2]];
cint = (cint << 4) | val[s[i + 3]];
cint = (cint << 4) | val[s[i + 4]];
cint = (cint << 4) | val[s[i + 5]];
i += 5;
}
sbuf.Append((char)cint);
}
i++;
}
return sbuf.ToString();
}
}
}
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace qq_qun
{
public class Escape
{
private static String[] hex = {
"00","01","02","03","04","05","06","07","08","09","0A","0B","0C","0D","0E","0F",
"10","11","12","13","14","15","16","17","18","19","1A","1B","1C","1D","1E","1F",
"20","21","22","23","24","25","26","27","28","29","2A","2B","2C","2D","2E","2F",
"30","31","32","33","34","35","36","37","38","39","3A","3B","3C","3D","3E","3F",
"40","41","42","43","44","45","46","47","48","49","4A","4B","4C","4D","4E","4F",
"50","51","52","53","54","55","56","57","58","59","5A","5B","5C","5D","5E","5F",
"60","61","62","63","64","65","66","67","68","69","6A","6B","6C","6D","6E","6F",
"70","71","72","73","74","75","76","77","78","79","7A","7B","7C","7D","7E","7F",
"80","81","82","83","84","85","86","87","88","89","8A","8B","8C","8D","8E","8F",
"90","91","92","93","94","95","96","97","98","99","9A","9B","9C","9D","9E","9F",
"A0","A1","A2","A3","A4","A5","A6","A7","A8","A9","AA","AB","AC","AD","AE","AF",
"B0","B1","B2","B3","B4","B5","B6","B7","B8","B9","BA","BB","BC","BD","BE","BF",
"C0","C1","C2","C3","C4","C5","C6","C7","C8","C9","CA","CB","CC","CD","CE","CF",
"D0","D1","D2","D3","D4","D5","D6","D7","D8","D9","DA","DB","DC","DD","DE","DF",
"E0","E1","E2","E3","E4","E5","E6","E7","E8","E9","EA","EB","EC","ED","EE","EF",
"F0","F1","F2","F3","F4","F5","F6","F7","F8","F9","FA","FB","FC","FD","FE","FF"
};
private static byte[] val = {
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F
};
public static String escape(String s)
{
if (s == null) return "";
StringBuilder sbuf = new StringBuilder();
int len = s.Length;
for (int i = 0; i < len; i++)
{
int ch = s[i];
if ('A' <= ch && ch <= 'Z')
{ // 'A'..'Z' : as it was
sbuf.Append((char)ch);
}
else if ('a' <= ch && ch <= 'z')
{ // 'a'..'z' : as it was
sbuf.Append((char)ch);
}
else if ('0' <= ch && ch <= '9')
{ // '0'..'9' : as it was
sbuf.Append((char)ch);
}
else if (ch == '-' || ch == '_' // unreserved : as it was
|| ch == '.' || ch == '!'
|| ch == '~' || ch == '*'
|| ch == '\'' || ch == '('
|| ch == ')')
{
sbuf.Append((char)ch);
}
else if (ch <= 0x007F)
{ // other ASCII : map to %XX
sbuf.Append('%');
sbuf.Append(hex[ch]);
}
else
{ // unicode : map to %uXXXX
sbuf.Append('%');
sbuf.Append('u');
int cht = ch;
//StringBuilder tmp = new StringBuilder();
sbuf.Append(hex[(ch >>= 8)]);
sbuf.Append(hex[(0x00FF & cht)]);
}
}
return sbuf.ToString();
}
public static String unescape(String s)
{
StringBuilder sbuf = new StringBuilder();
int i = 0;
int len = s.Length;
while (i < len)
{
int ch = s[i];
/*if (ch == '+') { // + : map to ' '
sbuf.Append(' ');
} else*/
if ('A' <= ch && ch <= 'Z')
{ // 'A'..'Z' : as it was
sbuf.Append((char)ch);
}
else if ('a' <= ch && ch <= 'z')
{ // 'a'..'z' : as it was
sbuf.Append((char)ch);
}
else if ('0' <= ch && ch <= '9')
{ // '0'..'9' : as it was
sbuf.Append((char)ch);
}
else if (ch == '-' || ch == '_' // unreserved : as it was
|| ch == '.' || ch == '!'
|| ch == '~' || ch == '*'
|| ch == '\'' || ch == '('
|| ch == ')')
{
sbuf.Append((char)ch);
}
else if (ch == '%')
{
int cint = 0;
if ('u' != s[i + 1])
{ // %XX : map to ascii(XX)
cint = (cint << 4) | val[s[i + 1]];
cint = (cint << 4) | val[s[i + 2]];
i += 2;
}
else
{ // %uXXXX : map to unicode(XXXX)
cint = (cint << 4) | val[s[i + 2]];
cint = (cint << 4) | val[s[i + 3]];
cint = (cint << 4) | val[s[i + 4]];
cint = (cint << 4) | val[s[i + 5]];
i += 5;
}
sbuf.Append((char)cint);
}
i++;
}
return sbuf.ToString();
}
}
}