先上代码,很简单,仅涉及一些字符转换,e2aTable存放的是对应字节的对照表,借用了网上找到的,核对了下IBM官方提供一个转码表,基本一致:

/// <summary>
/// Convert EBCDIC bytes to ASCII UTF-8 String
/// Convert Table "https://www.ibm.com/support/knowledgecenter/en/SSZJPZ_11.3.0/com.ibm.swg.im.iis.ds.parjob.adref.doc/topics/r_deeadvrf_EBCDIC_to_ASCII.html"
/// </summary>
/// <param name="data">bytes array</param>
/// <param name="offset">offset</param>
/// <param name="length">length</param>
/// <returns></returns>
public static string EbcdicToAscii(byte[] data, int offset, int length) 
{
	int[] e2aTable = new int[256]
	             {
	                 0, 1, 2, 3,156, 9,134,127,151,141,142, 11, 12, 13, 14, 15,
	                16, 17, 18, 19,157,133, 8,135, 24, 25,146,143, 28, 29, 30, 31,
	                128,129,130,131,132, 10, 23, 27,136,137,138,139,140, 5, 6, 7,
	                144,145, 22,147,148,149,150, 4,152,153,154,155, 20, 21,158, 26,
	                32,160,161,162,163,164,165,166,167,168, 91, 46, 60, 40, 43, 33,
	                38,169,170,171,172,173,174,175,176,177, 93, 36, 42, 41, 59, 94,
	                45, 47,178,179,180,181,182,183,184,185,124, 44, 37, 95, 62, 63,
	                186,187,188,189,190,191,192,193,194, 96, 58, 35, 64, 39, 61, 34,
	                195, 97, 98, 99,100,101,102,103,104,105,196,197,198,199,200,201,
	                202,106,107,108,109,110,111,112,113,114,203,204,205,206,207,208,
	                209,126,115,116,117,118,119,120,121,122,210,211,212,213,214,215,
	                216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,
	                123, 65, 66, 67, 68, 69, 70, 71, 72, 73,232,233,234,235,236,237,
	                125, 74, 75, 76, 77, 78, 79, 80, 81, 82,238,239,240,241,242,243,
	                92,159, 83, 84, 85, 86, 87, 88, 89, 90,244,245,246,247,248,249,
	                48, 49, 50, 51, 52, 53, 54, 55, 56, 57,250,251,252,253,254,255
	             };
	var stringBuilder = new StringBuilder();
	try 
	{
		for (int i = offset; i < data.Length && i - offset < length; i++) 
		{
			//0x00 Means blank, packet do have lots blank,ignore it
			if (data[i] == 0x00)
			                        continue;
			stringBuilder.Append(Convert.Tochar(e2aTable[data[i]]));
		}
		return stringBuilder.ToString();
	}
	catch (Exception ex) 
	{
		log.Error(ex.ToString());
		return null;
	}
	finally 
	{
		stringBuilder = null;
	}
}

很简单的方法,无依赖。。。特意分享一下

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