zoukankan      html  css  js  c++  java
  • C#二进制与字符串互转换,十六进制转换为字符串、float、int

    /// <summary>     /// 将 字符串 转成 二进制 “10011100000000011100011111111101”    

    /// </summary>  

    /// <param name="s"></param>    

    /// <returns></returns>    

    public static string bianma(string s)     {        

    byte[] data = Encoding.Unicode.GetBytes(s);        

    StringBuilder result = new StringBuilder(data.Length * 8);

            foreach (byte b in data)        

      {            

        result.Append(Convert.ToString(b, 2).PadLeft(8, '0'));        

      }        

    return result.ToString();    

    }    

    /// <summary>    

    /// 将二进制 “10011100000000011100011111111101” 转成 字符串    

    /// </summary>    

    /// <param name="s"></param>    

    /// <returns></returns>    

    public static string jiema(string s)     {        

    System.Text.RegularExpressions.CaptureCollection cs =  System.Text.RegularExpressions.Regex.Match(s, @"([01]{8})+").Groups[1].Captures;        

    byte[] data = new byte[cs.Count];        

    for (int i = 0; i < cs.Count; i++)        

    {            

      data[i] = Convert.ToByte(cs[i].Value, 2);        

    }        

    return Encoding.Unicode.GetString(data, 0, data.Length);    

    }

    /// <summary>          

    /// <函数:Decode>          

    ///作用:将16进制数据编码转化为字符串        

    /// </summary>           

    /// <param name="strDecode"></param>           

    /// <returns></returns>           

    public string DecodeToString(string strDecode)        

    {            

    string sResult = "";            

    for (int i = 0; i < strDecode.Length / 4; i++)            

    {                

      sResult += int.Parse(strDecode.Substring(i * 4, 4), global::System.Globalization.NumberStyles.HexNumber);            

    }            

      return sResult;        

    }

    /// <summary>        

    /// 将16进制数转为10进制数,并保留小数位数        

    /// </summary>        

    /// <param name="strDecode"></param>        

    /// <param name="i"></param>        

    /// <returns></returns>        

    public float DecodeToFloat(string strDecode, int i)        

    {            

      int num = Convert.ToInt32(strDecode, 16);            

      float result = (float.Parse(num.ToString())) / i;            

      return result;        

    }

    /// <summary>        

    /// 将16进制数转为10进制数整型        

    /// </summary>        

    /// <param name="strDecode"></param>        

    /// <returns></returns>        

    public int DecodeToInt(string strDecode)        

    {            

      int result = Convert.ToInt32(strDecode, 16);            

      return result;        

    }

    /// <summary>        

    /// 获取数据源(读取记事本)   

    /// </summary>        

    /// <returns></returns>        

    public string GetData()        

    {            

    string effectiveData = "0";//有效数据            

    try            

    {                

    FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read);                

    StreamReader sr = new StreamReader(fs, Encoding.GetEncoding("gb2312"));                

    string strText = "";                

    while (true){                    

    string strTemp = sr.ReadLine();                    

    if (strTemp != null)                    

    {                        

    strText += strTemp;                        

    continue;                    

    }                    

    else                    

    {                        

    break;                    

    }

                   

    }                

    strText = strText.Trim();                

    sr.Close();                

    fs.Close();                        

    return effectiveData;        

    }

       /// <summary>
       /// 清空记事本内容
       /// </summary>
            public void ClearText()
            {
                //StreamWriter sw = new StreamWriter(filePath, false);
                //sw.Write(string.Empty);
                //sw.Close();
                //sw.Dispose();
                FileStream fs = new FileStream(filePath, FileMode.Create);
                fs.Close();
            }

  • 相关阅读:
    第二次作业循环语句
    c语言01次作业分支,顺序结构
    PAT 1027. Colors in Mars
    PAT 1026 Table Tennis
    PAT 1035 Password
    PAT 1038. Recover the Smallest Number
    PAT 1028 List Sorting (25)
    PAT 1041 Be Unique (20)
    PAT 1025 PAT Ranking
    1037. Magic Coupon
  • 原文地址:https://www.cnblogs.com/yuhanzhong/p/3181264.html
Copyright © 2011-2022 走看看