json  需替换 特殊字符串



  sourceStr = sourceStr.Replace("\b", "\\\b");

  sourceStr = sourceStr.Replace("\t", "\\\t");

  sourceStr = sourceStr.Replace("\n", "\\\n");

  sourceStr = sourceStr.Replace("\f", "\\\f");

  sourceStr = sourceStr.Replace("\r", "\\\r");

return sourceStr.Replace("\"", "\\\"");






完