PC上位机C#实现gb2312和utf-8的相互转换

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最新推荐文章于 2025-07-11 10:18:25 发布

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分类专栏： C# Windows上位机文章标签： C#上位机 gb2312和utf-8的相互转换

本文链接：https://blog.youkuaiyun.com/u010299133/article/details/90737244

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本文介绍了如何使用C#语言在上位机中进行GB2312与UTF-8编码间的相互转换，提供了一份详细的源代码示例。

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c#源代码：

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsCovert
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private byte[] StringToBytes(string TheString)
        {
            Encoding FromEcoding = Encoding.GetEncoding("UTF-8");
            Encoding ToEcoding = Encoding.GetEncoding("gb2312");
            byte[] FromBytes = FromEcoding.GetBytes(TheString);
            byte[] Tobytes = Encoding.Convert(FromEcoding, ToEcoding, FromBytes);
            return Tobytes;
        }

        private string BytesToString(Byte[] Bytes)
        {
            string MyString;
            Encoding FromEcoding = Encoding.GetEncoding("gb2312");
            Encoding ToEcoding = Encoding.GetEncoding("UTF-8");
            byte[] Tobytes = Encoding.Convert(FromEcoding, ToEcoding, Bytes);

            MyString = ToEcoding.GetString(Tobytes);

            return MyString;
        }

        private void utf8togb2312_Click(object sender, EventArgs e)
        {
            if ((gb2312.Text != "") && (utf8.Text != ""))
            {
                MessageBox.Show("不能两个文本框中同时包含字符", "警告！");
            }
            else
            {
                if (gb2312.Text == "")
                {
                    byte[] StringsToByte = StringToBytes(utf8.Text);
                    gb2312.Text = "";
                    foreach (byte MyByte in StringsToByte)//遍历未知数组大小的成员
                    {
                        string Str = MyByte.ToString("X").ToUpper();
                        gb2312.Text += "0x" + (Str.Length == 1 ? "0" + Str : Str) + " ";
                    }
                }
                else
                { 
                    byte[] Data = new byte[gb2312.Text.Length / 2];
                    int i;
                    try
                    {
                        string buffer = gb2312.Text;
                        buffer = buffer.Replace("0x", string.Empty);
                        buffer = buffer.Replace(" ", string.Empty);
                        for(i = 0; i < buffer.Length / 2; i++)
                        {
                            Data[i] = Convert.ToByte(buffer.Substring(i * 2, 2), 16);
                        }
                        utf8.Text = BytesToString(Data);
                    }
                    catch
                    {
                        MessageBox.Show("请从新输入！", "错误");
                    }
                }
            }
        }
    }
}