汉字与GBK,Unicode,UTF-8编码之间的转换代码,CSharp代码库,德仔网

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【CSharp】汉字与GBK,Unicode,UTF-8编码之间的转换
作者:greatverve / 发布于2012/10/25/ 740
汉字与GBK,Unicode,UTF-8编码之间的转换
<div>private void button1_Click(object sender, EventArgs e)</div>
<div>    {</div>
<div>      //汉字转为Unicode编码：</div>
<div>      string hz = textBox1.Text.ToString();</div>
<div>      byte[] b=Encoding.Unicode.GetBytes(hz);</div>
<div>      string o = "";</div>
<div>      foreach(var x in b){</div>
<div>        o += string.Format("{0:X2}",x) + " ";</div>
<div>      }
<div>      textBox2.Text = o;</div>
<div>    }
<div></div>
<div>private void button2_Click(object sender, EventArgs e)</div>
<div>    {</div>
<div>      //Unicode编码转为汉字：</div>
<div>      string cd = textBox2.Text.ToString();</div>
<div>      string cd2 = cd.Replace(" ", "");</div>
<div>         cd2 = cd2.Replace("\r", "");</div>
<div>         cd2 = cd2.Replace("\n", "");</div>
<div>         cd2 = cd2.Replace("\r\n", "");</div>
<div>         cd2 = cd2.Replace("\t", "");</div>
<div>      if (cd2.Length % 4 != 0)</div>
<div>      {</div>
<div>        MessageBox.Show("Unicode编码为双字节，请删多或补少！确保是二的倍数。");</div>
<div>      }
<div>      else</div>
<div>      {</div>
<div>        int len = cd2.Length / 2;</div>
<div>        byte[] b = new byte[len];</div>
<div>        for (int i = 0; i < cd2.Length;i+=2 )</div>
<div>        {</div>
<div>          string bi = cd2.Substring(i, 2);</div>
<div>          b[i/2] =(byte) Convert.ToInt32(bi, 16);</div>
<div>        }
<div>        string o=Encoding.Unicode.GetString(b);</div>
<div>        textBox1.Text = o;</div>
<div>      }
<div>    }
<div></div>
<div>    private void button5_Click(object sender, EventArgs e)</div>
<div>    {</div>
<div>      //汉字转成GBK十六进制码：</div>
<div>      string hz = textBox3.Text.ToString();</div>
<div>byte[] gbk = Encoding.GetEncoding("GBK").GetBytes(hz);</div>
<div>      string s1 = ""; string s1d = "";</div>
<div>      foreach(byte b in gbk){</div>
<div>        //s1 += Convert.ToString(b, 16)+" ";</div>
<div>        s1 += string.Format("{0:X2}", b) + " ";</div>
<div>        s1d += b + " ";</div>
<div>        toolTip1.SetToolTip(textBox4, s1d);</div>
<div>      }
<div>      textBox4.Text = s1;</div>
<div>      toolTip1.SetToolTip(textBox4, s1d);</div>
<div>      //汉字转成Unicode十六进制码：</div>
<div>      byte[] uc = Encoding.Unicode.GetBytes(hz);</div>
<div>      string s2 = ""; string s2d = "";</div>
<div>      foreach (byte b in uc)</div>
<div>      {</div>
<div>        //s2 += Convert.ToString(b, 16) + " ";</div>
<div>        s2 += string.Format("{0:X2}", b) + " ";</div>
<div>        s2d += b + " ";</div>
<div>        toolTip1.SetToolTip(textBox5, s2d);</div>
<div>      }
<div>      textBox5.Text = s2;</div>
<div>      toolTip1.SetToolTip(textBox5, s2d);</div>
<div>      //汉字转成UTF-8十六进制码：</div>
<div>      byte[] utf8 = Encoding.UTF8.GetBytes(hz);</div>
<div>      string s3 = ""; string s3d = "";</div>
<div>      foreach (byte b in utf8)</div>
<div>      {</div>
<div>        //s3 += Convert.ToString(b, 16) + " ";</div>
<div>        s3 += string.Format("{0:X2}", b) + " ";</div>
<div>        s3d += b + " ";</div>
<div>        toolTip1.SetToolTip(textBox6, s3d);</div>
<div>      }
<div>      textBox6.Text = s3;</div>
<div>      toolTip1.SetToolTip(textBox6, s3d);</div>
<div>    }
<div></div>
<div>    private void button6_Click(object sender, EventArgs e)</div>
<div>    {  //GBK十六进制码转成汉字：</div>
<div>      string cd = textBox4.Text.ToString();</div>
<div>      string[] b4 = cd.Split(' ');      </div>
<div>      byte[] bs=new byte[2];</div>
<div>      bs[0] = (byte)Convert.ToByte(b4[0], 16);</div>
<div>      bs[1] = (byte)Convert.ToByte(b4[1], 16);</div>
<div>      textBox3.Text =Encoding.GetEncoding("GBK").GetString(bs);</div>
<div>    }
<div></div>
<div>    private void button7_Click(object sender, EventArgs e)</div>
<div>    {  //Unicode十六进制码转成汉字：</div>
<div>      string cd = textBox5.Text.ToString();</div>
<div>      string[] b5 = cd.Split(' ');</div>
<div>      byte[] bs = new byte[2];</div>
<div>      bs[0] = (byte)Convert.ToByte(b5[0], 16);</div>
<div>      bs[1] = (byte)Convert.ToByte(b5[1], 16);</div>
<div>      textBox3.Text = Encoding.GetEncoding("Unicode").GetString(bs);</div>
<div>    }
<div></div>
<div>    private void button8_Click(object sender, EventArgs e)</div>
<div>    {  //UTF-8十六进制码转成汉字：</div>
<div>      string cd = textBox6.Text.ToString();</div>
<div>      string[] b6 = cd.Split(' ');</div>
<div>      byte[] bs = new byte[3];</div>
<div>      bs[0] = (byte)Convert.ToByte(b6[0], 16);</div>
<div>      bs[1] = (byte)Convert.ToByte(b6[1], 16);</div>
<div>      bs[2] = (byte)Convert.ToByte(b6[2], 16);</div>
<div>      textBox3.Text = Encoding.GetEncoding("UTF-8").GetString(bs);</div>
<div>    }
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