C#将Unicode编码转换为汉字字符串的简单方法

时间:2022-02-01 07:12:19

C# 将js中的UNICODE转换为字符串,网上找的都不行,遇到有数字的转不出来,稍稍改了点,OK了!

实例如下:

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/// 将Unicode编码转换为汉字字符串
    ///
    /// Unicode编码字符串
    /// 汉字字符串
    public static string ToGB2312(string str)
    {
      MatchCollection mc = Regex.Matches(str, "([\\w]+)|(\\\\u([\\w]{4}))");
      if (mc != null && mc.Count > 0)
      {
        StringBuilder sb = new StringBuilder();
        foreach (Match m2 in mc)
        {
          string v = m2.Value;
          if (v.StartsWith("\\"))
          {
            string word = v.Substring(2);
            byte[] codes = new byte[2];
            int code = Convert.ToInt32(word.Substring(0, 2), 16);
            int code2 = Convert.ToInt32(word.Substring(2), 16);
            codes[0] = (byte)code2;
            codes[1] = (byte)code;
            sb.Append(Encoding.Unicode.GetString(codes));
          }
          else
          {
            sb.Append(v);
          }
        }
        return sb.ToString();
      }
      else
      {
        return str;
      }
    }

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