webservice 特殊字符处理

左手的ㄟ右手 2021-11-23 06:24 498阅读 0赞

最近做了一个webservice应用,发现传输过程中,只要有特殊这符,就会导致出错

于是上网搜了一些方法,先把源WebService输出的内容进行特殊字符转换十六进制,接到收后再进行返转换

///  <summary>   
 /// StringExtenstion 的摘要说明  
 ///  </summary>   
 public static class StringExtenstion  
\{  
///  <summary>   
 ///  把一个字符串中的 低序位 ASCII 字符 替换成 字符  
 ///  转换 ASCII 0 - 8 -> � -  
 ///  转换 ASCII 11 - 12 -> -  
 ///  转换 ASCII 14 - 31 -> -  
 ///  </summary>   
 ///  <param name="tmp"></param>   
 ///  <returns></returns>   
 public static string ReplaceLowOrderASCIICharacters( this string tmp)  
\{  
StringBuilder info = new StringBuilder();  
foreach ( char cc in tmp)  
\{  
int ss = ( int)cc;  
if (((ss >= 0) && (ss <= 8)) || ((ss >= 11) && (ss <= 12)) || ((ss >= 14) && (ss <= 32)))  
info.AppendFormat( " \{0:X\}; ", ss);  
else info.Append(cc);  
\}  
return info.ToString();  
\}  
  
///  <summary>   
 ///  把一个字符串中的下列字符替换成 低序位 ASCII 字符  
 ///  转换 � - -> ASCII 0 - 8  
 ///  转换 - -> ASCII 11 - 12  
 ///  转换 - -> ASCII 14 - 31  
 ///  </summary>   
 ///  <param name="input"></param>   
 ///  <returns></returns>   
 public static string GetLowOrderASCIICharacters( this string input)  
\{  
if ( string.IsNullOrEmpty(input)) return string.Empty;  
int pos, startIndex = 0, len = input.Length;  
if (len <= 4) return input;  
StringBuilder result = new StringBuilder();  
while ((pos = input.IndexOf( "  ", startIndex)) >= 0)  
\{  
bool needReplace = false;  
string rOldV = string.Empty, rNewV = string.Empty;  
int le = (len - pos < 6) ? len - pos : 6;  
int p = input.IndexOf( " ; ", pos, le);  
if (p >= 0)  
\{  
rOldV = input.Substring(pos, p - pos + 1);  
//  计算 对应的低位字符   
 short ss;  
if ( short.TryParse(rOldV.Substring( 3, p - pos - 3), NumberStyles.AllowHexSpecifier, null, out ss))  
\{  
if (((ss >= 0) && (ss <= 8)) || ((ss >= 11) && (ss <= 12)) || ((ss >= 14) && (ss <= 32)))  
\{  
needReplace = true;  
rNewV = Convert.ToChar(ss).ToString();  
\}  
\}  
pos = p + 1;  
\}  
else pos += le;  
string part = input.Substring(startIndex, pos - startIndex);  
if (needReplace) result.Append(part.Replace(rOldV, rNewV));  
else result.Append(part);  
startIndex = pos;  
\}  
result.Append(input.Substring(startIndex));  
return result.ToString();

转载于:https://www.cnblogs.com/Death/archive/2012/02/28/2371117.html