c#類比js escape方法(轉)

標籤：

實現URI字串轉化成escape格式的字元

 

public static string Escape(string s)

         {              StringBuilder sb =  new  StringBuilder();              byte [] ba = System.Text.Encoding.Unicode.GetBytes(s);              for  ( int  i = 0; i < ba.Length; i += 2)              {                  if  (ba[i + 1] == 0)                  {                      //數字,大小寫字母,以及"+-*/._"不變                      if  (                            (ba[i] >= 48 && ba[i] <= 57)                          || (ba[i] >= 64 && ba[i] <= 90)                          || (ba[i] >= 97 && ba[i] <= 122)                          || (ba[i] == 42 || ba[i] == 43 || ba[i] == 45 || ba[i] == 46 || ba[i] == 47 || ba[i] == 95)                          ) //保持不變                      {                          sb.Append(Encoding.Unicode.GetString(ba, i, 2));                       }                      else //%xx形式                      {                          sb.Append( "%" );                          sb.Append(ba[i].ToString( "X2" ));                      }                  }                  else                  {                      sb.Append( "%u" );                      sb.Append(ba[i + 1].ToString( "X2" ));                      sb.Append(ba[i].ToString( "X2" ));                  }              }              return  sb.ToString();          }原地址:http://www.cnblogs.com/meceky/archive/2013/11/27/3445245.html

c#類比js escape方法(轉)