C# 编码转换 UTF8转GB2312 GB2312转UTF8

/// <summary>

/// GB2312转换成UTF8

/// </summary>

/// <param name="text"></param>

/// <returns></returns>

public static string gb2312_utf8(string text)

{

//声明字符集

System.Text.Encoding utf8, gb2312;

//gb2312

gb2312 = System.Text.Encoding.GetEncoding("gb2312");

//utf8

utf8 = System.Text.Encoding.GetEncoding("utf-8");

byte[] gb;

gb = gb2312.GetBytes(text);

gb = System.Text.Encoding.Convert(gb2312, utf8, gb);

//返回转换后的字符

return utf8.GetString(gb);

}

/// <summary>

/// UTF8转换成GB2312

/// </summary>

/// <param name="text"></param>

/// <returns></returns>

public static string utf8_gb2312(string text)

{

//声明字符集

System.Text.Encoding utf8, gb2312;

//utf8

utf8 = System.Text.Encoding.GetEncoding("utf-8");

//gb2312

gb2312 = System.Text.Encoding.GetEncoding("gb2312");

byte[] utf;

utf = utf8.GetBytes(text);

utf = System.Text.Encoding.Convert(utf8, gb2312, utf);

//返回转换后的字符

return gb2312.GetString(utf);

}