// aSourceField: MARC字段数组。注意ArrayList每个元素要求为byte[]类型
static int GetMarcRecordString(List <byte[]> aSourceField,
Encoding encoding,
out string[] saTarget)
{
string strField066Value = "";
// 提前得到066字段
for (int j = 1; j < aSourceField.Count; j++)
{
string strField = Encoding.ASCII.GetString((byte[])aSourceField[j]);
string strFieldName = "";
if (strField.Length >= 5)
{
strFieldName = strField.Substring(0, 3);
}
else
{
continue;
}
if (strFieldName == "066")
{
strField066Value = strField.Substring(5);
break;
}
}
// 根据066字段内容提示Marc8Encoding切换状态
saTarget = new string[aSourceField.Count];
for (int j = 0; j < aSourceField.Count; j++)
{
if (encoding is Marc8Encoding)
{
Marc8Encoding marc8 = (Marc8Encoding)encoding;
marc8.SetDefaultCodePage(strField066Value);
saTarget[j] = marc8.GetString((byte[])aSourceField[j]);
}
else
{
// 一般编码方式
saTarget[j] = encoding.GetString((byte[])aSourceField[j]);
}
}
return(0);
}
private void button_e2uStringConvert_Click(object sender, EventArgs e)
{
if (this.textBox_e2uFilename.Text == "")
{
MessageBox.Show(this, "尚未指定 e2u 码表文件");
return;
}
this.textBox_unicodeCode.Text = "";
CharsetTable charsettable_e2u = new CharsetTable();
charsettable_e2u.Attach(this.textBox_e2uFilename.Text,
this.textBox_e2uFilename.Text + ".index");
Marc8Encoding encoding = new Marc8Encoding(charsettable_e2u,
this.MainForm.DataDir + "\\asciicodetables.xml");
try
{
string strText = "";
if (this.textBox_field066value.Text != "")
{
encoding.SetDefaultCodePage(this.textBox_field066value.Text.Replace('|', (char)31));
}
encoding.Marc8_to_Unicode(
Encoding.ASCII.GetBytes(
this.textBox_eaccString.Text),
out strText);
this.textBox_unicodeString.Text = strText;
}
finally
{
string strTemp1;
string strTemp2;
charsettable_e2u.Detach(out strTemp1,
out strTemp2);
}
}