Изпращане на имейл с прикачени файлове в Oracle D2k, Oracle Forms 10g, Oracle Forms 6i.
Създайте обект на директория Email_Files в текущата схема, откъдето искате да изпращате имейли.
Create or Replace directory email_files as 'c:\urdir';
PROCEDURE Send_Email(ifrom In varchar2, ito In varchar2, icc In varchar2, ifile In varchar2, ifile2 In varchar2,
isubject In varchar2, imsg In varchar2, isrl_no In number)
Is
/*utl_smtp related variables. */
vfile varchar2(100);
v_connection_handle Utl_Smtp.CONNECTION;
v_from_email_address VARCHAR2(1000) := ifrom;
v_to_email_address VARCHAR2(1000) := ito;
v_smtp_host VARCHAR2(100) := 'mail.urdomain.com'; --your mail server
v_subject VARCHAR2(1000) := isubject;
l_message VARCHAR2(2000) := imsg;
nls_charset varchar2(255);
/* this send_header procedure is written in the documentation */
PROCEDURE send_header(pi_name In VARCHAR2, pi_header In VARCHAR2) As
BEGIN
Utl_Smtp.WRITE_DATA(v_connection_handle,
pi_name || ': ' || pi_header || Utl_Tcp.CRLF);
END;
BEGIN
Select Value
Into nls_charset
From NLS_DATABASE_PARAMETERS
Where parameter = 'NLS_CHARACTERSET';
/*utl_smtp related coding. */
v_connection_handle := Utl_Smtp.OPEN_CONNECTION(v_smtp_host, 25);
Utl_Smtp.EHLO(v_connection_handle, v_smtp_host);
utl_smtp.command(v_connection_handle, 'auth login');
utl_smtp.command(v_connection_handle,utl_encode.text_encode('[email protected]', nls_charset, 1));
utl_smtp.command(v_connection_handle, utl_encode.text_encode('urpassword', nls_charset, 1));
Utl_Smtp.Mail(v_connection_handle, v_from_email_address);
Utl_Smtp.RCPT(v_connection_handle, v_to_email_address);
IF icc Is Not Null Then
Utl_Smtp.RCPT(v_connection_handle, icc);
END IF;
Utl_Smtp.OPEN_DATA(v_connection_handle);
send_header('From', ifrom);
send_header('To', ito);
IF icc Is Not Null Then
send_header('Cc', icc);
END IF;
send_header('Subject', v_subject);
IF IFILE Is Null And IFILE2 Is Null Then
Utl_Smtp.WRITE_DATA(v_connection_handle,
'Content-Type: text/html;' || Utl_Tcp.CRLF);
Utl_Smtp.WRITE_DATA(v_connection_handle,
' charset=US-ASCII' || Utl_Tcp.CRLF);
Utl_Smtp.WRITE_DATA(v_connection_handle, Utl_Tcp.CRLF);
Utl_Smtp.WRITE_DATA(v_connection_handle, l_message || Utl_Tcp.CRLF);
Utl_Smtp.WRITE_DATA(v_connection_handle, Utl_Tcp.CRLF);
END IF;
--mime header.
IF ifile Is Not Null Then
For i In 1..2 LOOP
/*preparing the lob from file for attachment. */
/*lob operation related varriables */
IF i = 1 Then
vfile := ifile;
Else
IF ifile2 Is Null Then
EXIT;
Else
vfile := ifile2;
END IF;
END IF;
DECLARE
v_src_loc BFILE := Bfilename('EMAIL_FILES', Nvl(vfile, 'temp'));
l_buffer RAW(54);
l_amount BINARY_INTEGER := 54;
l_pos INTEGER := 1;
l_blob BLOB := Empty_Blob;
l_blob_len INTEGER;
v_amount INTEGER;
BEGIN
Dbms_Lob.OPEN(v_src_loc, Dbms_Lob.LOB_READONLY); --read the file
Dbms_Lob.CREATETEMPORARY(l_blob, TRUE); --create temporary lob to store the file.
v_amount := Dbms_Lob.GETLENGTH(v_src_loc); --amount to store.
Dbms_Lob.LOADFROMFILE(l_blob, v_src_loc, v_amount); -- loading from file into temporary lob
l_blob_len := Dbms_Lob.getlength(l_blob);
Utl_Smtp.WRITE_DATA(v_connection_handle,
'MIME-Version: 1.0' || Utl_Tcp.CRLF);
Utl_Smtp.WRITE_DATA(v_connection_handle,
'Content-Type: multipart/mixed; ' || Utl_Tcp.CRLF);
Utl_Smtp.WRITE_DATA(v_connection_handle,
' boundary= "' || 'EMAIL_FILES.SECBOUND' || '"' ||
Utl_Tcp.CRLF);
Utl_Smtp.WRITE_DATA(v_connection_handle, Utl_Tcp.CRLF);
IF i = 1 Then
-- mail body
Utl_Smtp.WRITE_DATA(v_connection_handle,
'--' || 'EMAIL_FILES.SECBOUND' || Utl_Tcp.CRLF);
Utl_Smtp.WRITE_DATA(v_connection_handle,
'Content-Type: text/html;' || Utl_Tcp.CRLF);
Utl_Smtp.WRITE_DATA(v_connection_handle,
' charset=US-ASCII' || Utl_Tcp.CRLF);
Utl_Smtp.WRITE_DATA(v_connection_handle, Utl_Tcp.CRLF);
Utl_Smtp.WRITE_DATA(v_connection_handle, l_message || Utl_Tcp.CRLF);
Utl_Smtp.WRITE_DATA(v_connection_handle, Utl_Tcp.CRLF);
END IF;
-- mail attachment
Utl_Smtp.WRITE_DATA(v_connection_handle,
'--' || 'EMAIL_FILES.SECBOUND' || Utl_Tcp.CRLF);
Utl_Smtp.WRITE_DATA(v_connection_handle,
'Content-Type: application/octet-stream' ||
Utl_Tcp.CRLF);
Utl_Smtp.WRITE_DATA(v_connection_handle,
'Content-Disposition: attachment; ' || Utl_Tcp.CRLF);
Utl_Smtp.WRITE_DATA(v_connection_handle,
' filename="' || vfile || '"' || --my filename
Utl_Tcp.CRLF);
Utl_Smtp.WRITE_DATA(v_connection_handle,
'Content-Transfer-Encoding: base64' || Utl_Tcp.CRLF);
Utl_Smtp.WRITE_DATA(v_connection_handle, Utl_Tcp.CRLF);
/* writing the blol in chunks */
WHILE l_pos < l_blob_len LOOP
Dbms_Lob.Read(l_blob, l_amount, l_pos, l_buffer);
Utl_Smtp.write_raw_data(v_connection_handle,
Utl_Encode.BASE64_ENCODE(l_buffer));
Utl_Smtp.WRITE_DATA(v_connection_handle, Utl_Tcp.CRLF);
l_buffer := Null;
l_pos := l_pos + l_amount;
END LOOP;
Utl_Smtp.WRITE_DATA(v_connection_handle, Utl_Tcp.CRLF);
Dbms_Lob.FREETEMPORARY(l_blob);
Dbms_Lob.FILECLOSE(v_src_loc);
EXCEPTION
When Others Then
Dbms_Lob.FREETEMPORARY(l_blob);
Dbms_Lob.FILECLOSE(v_src_loc);
END;
END LOOP;
-- close email
Utl_Smtp.WRITE_DATA(v_connection_handle,
'--' || 'EMAIL_FILES.SECBOUND' || '--' || Utl_Tcp.CRLF);
Utl_Smtp.WRITE_DATA(v_connection_handle,
Utl_Tcp.CRLF || '.' || Utl_Tcp.CRLF);
END IF;
Utl_Smtp.CLOSE_DATA(v_connection_handle);
Utl_Smtp.QUIT(v_connection_handle);
EXCEPTION
When Others Then
-- utl_smtp.quit(v_connection_handle);
IF ifile Is Not Null Then
Utl_Smtp.QUIT(v_connection_handle);
END IF;
RAISE;
END;
