C # implements the Library program import ISO-2709 format (MARC) feature

1. Import

//<summary>
//import ISO2709
//</summary>
//<param name= "Sender" ></param>
//<param name= "E" ></PARAM>
private void Import Iso2709toolstripmenuitem_click (object sender, EventArgs e)
{
Try
{
OpenFileDialog ofd = new OpenFileDialog ();
Ofd. Filter = "ISO2709 file |*. ISO ";
Ofd. MultiSelect = false;
Ofd. Title = "Please select the ISO2709 file to import.";
if (ofd. ShowDialog ()! = DialogResult.OK)
{
return;
}
if (MessageBox.Show ("to be" + OFD. FileName + "mount" + TOOLSTRIPCMB_SMK. Text + "" In the library to choose?, "Top Confirmation", Messageboxbuttons.yesno, messageboxicon.question)! = Dialogresult.yes)
{
return;
}
StreamReader objreader = new StreamReader (OFD. FileName, System.Text.Encoding.Default);
String sline = "";
ArrayList _arrtext = new ArrayList ();
while (sline! = null)
{
sline = objReader.ReadLine ();
if (sline! = null)
_arrtext.add (sline);
}
Objreader.close ();

Dbutility.squery sq;
foreach (String marc in _arrtext)
{
sortedlist<string, string> Li = GetData (Marc);
The Marc to insert
String Insert_marc = Marc. Substring (5, 4) + (char) 30;//header Area
for (int i = 0; i < Li.count; i++)
{
Stitching the Marc field to be inserted
Insert_marc + = Li.keys[i] + li.values[i] + (char) 30;//cannot get rid of (char) 31, remove (char) 30 Add (char) 30 (Identify the contents of the content of the reference)
}
Sq = DBUtility.SQuery.Create (
@ "INSERT into pending library (key code, standard code, title, Responsible person, edition, publisher, publication year, Unit Price, MARC, operator, date of entry, library key code, subscription number) VALUES
(@ Library key code, @ Standard Code, @ Title, @ Responsibility, @ Edition, @ Publisher, @ publication year, @ Unit price, @MARC, @ operator, GETDATE (), @ Library key, @ subscription number) ");
Parsing Marc
Sq. Params.add ("@ Library Key Code", SYSTEMSTATE.GJM);
Sq. Params.add ("@ Standard Code", Li.Keys.Contains ("010")? Getmarcvalue (li["010"], "Standard Code"): "");
Sq. Params.add ("@ title", Li.Keys.Contains ("200")? Getmarcvalue (li["200"], "title"): "");
Sq. Params.add ("@ Responsible person", Li.Keys.Contains ("200")? Getmarcvalue (li["200"], "responsible person"): "");
Sq. Params.add ("@ edition", Li.Keys.Contains ("205")? Getmarcvalue (li["205"], "edition"): "");
Sq. Params.add ("@ publisher", Li.Keys.Contains ("210")? Getmarcvalue (li["210"], "publisher"): "");
Sq. Params.add ("@ publication Year", Li.Keys.Contains ("210")? Getmarcvalue (li["210"], "publication year"): "");
Sq. Params.add ("@ Unit Price", Li.Keys.Contains ("010")? Getmarcvalue (li["010"], "unit price"): "");
Sq. Params.add ("@marc", Insert_marc);
Sq. Params.add ("@ operator", Common.SystemState.UserID);
Sq. Params.add ("@ Library Key Code", ToolStripcmb_SMK.ComboBox.SelectedValue);
Sq. Params.add ("@ subscription Number", Li.Keys.Contains ("092")? Getmarcvalue (li["092"], "subscription number"): "");
Sq. ExecuteNonQuery ();
Success + = Sq. ExecuteNonQuery () > 0? 1:0;
}
MessageBox.Show ("Data is finished", "system hint", MessageBoxButtons.OK, messageboxicon.warning);
Refresh
Toolstripbtn_query_click (sender, E);
}
catch (Exception ex)
{
MessageBox.Show (ex. Message, "", MessageBoxButtons.OK, Messageboxicon.error);
}
}

Parses the specified Marc data and returns sortedlist<>
Private sortedlist<string, string> GetData (string marctext)
{
int marctextlength = Convert.ToInt32 (marctext.substring (0, 5))//marc record text total length, 00931
int _conpos = Convert.ToInt32 (marctext.substring (12, 5));//Data field area start address, 00253

int _count = (_conpos-24)/12;//number of fields, 19
String _address = Marctext.substring (_conpos-24-1);//Address Catalog area string
String _contents = Marctext.substring (_conpos);//data field area string

---------Start parsing field data

string[] _keys = new string[_count];//Field number
string[] _values = new string[_count];//field value
string[] Values = _contents.split ((char) 30);//With (char) 30 partition data field string for the corresponding field contents of the subsequent _keys
for (int i = 0; i < _count; i++)
{
String _num = _address.substring (i * 12, 3);//Field number
int _len = Int. Parse (_address.substring (i * 12 + 3, 4));//Data area length for field
int _pos = Int. Parse (_address.substring (i * 12 + 7, 5));//Data area start position for field

_keys[i] = _address.substring (i * 12, 3);//Fill field number

_values[i] = values[i];//Fill field value

}

sortedlist<string, string> _sl = new sortedlist<string, string> ();
for (int i = 0; i < _count; i++)
{
if (_SL. ContainsKey (_keys[i]))
{
_sl[_keys[i]] + = (char) x + _values[i];//If there are 2 701 then separate with (Char) 31
}
Else
{
_sl. ADD (_keys[i], _values[i]);
}
}

return _SL;
}

<summary>
Get a positive title
</summary>
private string Getmarcvalue (String str, string item)
{
string[] Subarray = str. Substring (str. IndexOf ((char) 31)). Trim (). Split (New char[] {(char) to}, stringsplitoptions.removeemptyentries);

foreach (String subStr in Subarray)
{
Switch (item)
{
Case "title":
Case "Language":
Case "Publishing Place":
Case "Standard Code":
if (substr.substring (0, 1) = = "a")
{
return substr.substring (1);
}
Break
Case "title abbreviation":
if (substr.substring (0, 1) = = "9")
{
return substr.substring (1);
}
Break
Case "Responsible person":
if (substr.substring (0, 1) = = "F")
{
return substr.substring (1);
}
Break
Case "publisher":
if (substr.substring (0, 1) = = "C")
{
return substr.substring (1);
}
Break
Case "Edition":
if (substr.substring (0, 1) = = "a")
{
return substr.substring (1);
}
Break
Case "Unit Price":
if (substr.substring (0, 1) = = "D")
{
return substr.substring (1);
}
Break
Case "Publication Year":
if (substr.substring (0, 1) = = "D")
{
return substr.substring (1);
}
Break
Case "Call ISBN":
if (substr.substring (0, 1) = = "D")
{
String val = "";
val = substr.substring (1);
foreach (String subStr2 in Subarray)
{
if (substr.substring (0, 1) = = "E")
{
Val + = "/" + substr2.substring (1);
Break
}
}
return Val;
}
Break
Case "Subscription Number":
if (substr.substring (0, 1) = = "B")
{
return substr.substring (1);
}
Break
}

}
Return "";
}

C # implements the Library program import ISO-2709 format (MARC) feature