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Sending a excel in an attachment in email java

    // Define message
    Message message = new MimeMessage(session);
    message.setFrom(new InternetAddress(from));
    message.addRecipient(Message.RecipientType.TO,
      new InternetAddress(to));
    message.setSubject("Hello JavaMail Attachment");

    // Create the message part
    BodyPart messageBodyPart = new MimeBodyPart();

    // Fill the message
    messageBodyPart.setText("Pardon Ideas");

    Multipart multipart = new MimeMultipart();
    multipart.addBodyPart(messageBodyPart);

    // Part two is attachment
    messageBodyPart = new MimeBodyPart();
    DataSource source = new FileDataSource(filename);
    messageBodyPart.setDataHandler(new DataHandler(source));
    messageBodyPart.setFileName(filename);
    multipart.addBodyPart(messageBodyPart);

    // Put parts in message
    message.setContent(multipart);

    // Send the message
    Transport.send(message);

Source: stackoverflow.com

Sending a excel in an attachment in email java

Workbook xlsFile = new HSSFWorkbook(); // create a workbook
CreationHelper helper = xlsFile.getCreationHelper();
Sheet sheet1 = xlsFile.createSheet("Sheet #1"); // add a sheet to your workbook

while(rs.next())
{
 Row row = sheet1.createRow((short)0); // create a new row in your sheet
 for(int i = 0; i < 12; i++)
 {
   row.createCell(i).setCellValue(
     helper.createRichTextString(exceldata)); // add cells to the row
 }
} 

// Write the output to a temporary excel file
FileOutputStream fos = new FileOutputStream("temp.xls");
xlsFile.write(fos);
fos.close();

// Switch to using a `FileDataSource` (instead of ByteArrayDataSource)
DataSource fds = new FileDataSource("temp.xls");

Source: stackoverflow.com

Sending a excel in an attachment in email java

ByteArrayOutputStream bos = new ByteArrayOutputStream();
xlsFile.write(bos); // write excel data to a byte array
fos.close();

// Now use your ByteArrayDataSource as
DataSource fds = new ByteArrayDataSource(bos.toByteArray(), "application/vnd.ms-excel");

Source: stackoverflow.com

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