jexcelapi 2.4.2
javax.mail 1.4.7
вы можете использовать ByteArrayOutputStream, чтобы прикрепить файл к вашей электронной почте
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.util.ByteArrayDataSource;
import jxl.Workbook;
import jxl.format.Alignment;
import jxl.format.Border;
import jxl.format.BorderLineStyle;
import jxl.format.Colour;
import jxl.format.VerticalAlignment;
import jxl.write.Label;
import jxl.write.WritableCellFormat;
import jxl.write.WritableFont;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
public class Stack {
public static void main(String[] args) throws IOException {
try {
// *** for Database Connected ***//
Connection connect = null;
Statement s = null;
Class.forName("com.mysql.jdbc.Driver");
connect = DriverManager.getConnection("jdbc:mysql://localhost/mydatabase?user=root&password=root");
s = connect.createStatement();
String sql = "SELECT * FROM customer ORDER BY CustomerID ASC";
ResultSet rec = s.executeQuery(sql);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
WritableWorkbook workbook = Workbook.createWorkbook(baos);
// *** Create Font ***//
WritableFont fontBlue = new WritableFont(WritableFont.TIMES, 10);
fontBlue.setColour(Colour.BLUE);
WritableFont fontRed = new WritableFont(WritableFont.TIMES, 10);
fontRed.setColour(Colour.RED);
// *** Sheet 1 ***//
WritableSheet ws1 = workbook.createSheet("mySheet1", 0);
// *** Header ***//
WritableCellFormat cellFormat1 = new WritableCellFormat(fontRed);
// cellFormat2.setBackground(Colour.ORANGE);
cellFormat1.setAlignment(Alignment.CENTRE);
cellFormat1.setVerticalAlignment(VerticalAlignment.CENTRE);
cellFormat1.setBorder(Border.ALL, BorderLineStyle.THIN);
// *** Data ***//
WritableCellFormat cellFormat2 = new WritableCellFormat(fontBlue);
// cellFormat2.setWrap(true);
cellFormat2.setAlignment(jxl.format.Alignment.CENTRE);
cellFormat2.setVerticalAlignment(VerticalAlignment.CENTRE);
cellFormat2.setWrap(true);
cellFormat2.setBorder(jxl.format.Border.ALL, jxl.format.BorderLineStyle.HAIR, jxl.format.Colour.BLACK);
ws1.mergeCells(0, 0, 5, 0);
Label lable = new Label(0, 0, "Customer Report", cellFormat1);
ws1.addCell(lable);
// *** Header ***//
ws1.setColumnView(0, 10); // Column CustomerID
ws1.addCell(new Label(0, 1, "CustomerID", cellFormat1));
ws1.setColumnView(1, 15); // Column Name
ws1.addCell(new Label(1, 1, "Name", cellFormat1));
ws1.setColumnView(2, 25); // Column Email
ws1.addCell(new Label(2, 1, "Email", cellFormat1));
ws1.setColumnView(3, 12); // Column CountryCode
ws1.addCell(new Label(3, 1, "CountryCode", cellFormat1));
ws1.setColumnView(4, 10); // Column Budget
ws1.addCell(new Label(4, 1, "Budget", cellFormat1));
ws1.setColumnView(5, 10); // Column Used
ws1.addCell(new Label(5, 1, "Used", cellFormat1));
int iRows = 2;
while((rec!=null) && (rec.next())) {
ws1.addCell(new Label(0, iRows, rec.getString("CustomerID"), cellFormat2));
ws1.addCell(new Label(1, iRows, rec.getString("Name"), cellFormat2));
ws1.addCell(new Label(2, iRows, rec.getString("Email"), cellFormat2));
ws1.addCell(new Label(3, iRows, rec.getString("CountryCode"), cellFormat2));
ws1.addCell(new Label(4, iRows, rec.getString("Budget"), cellFormat2));
ws1.addCell(new Label(5, iRows, rec.getString("Used"), cellFormat2));
++iRows;
}
workbook.write();
workbook.close();
System.out.println("Excel file created.");
// Close
try {
if (connect != null) {
s.close();
connect.close();
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
sendMail(baos);
} catch (Exception e) {
e.printStackTrace();
}
}
private static void sendMail(ByteArrayOutputStream baos) throws AddressException, MessagingException {
final String username = "your.mail.id@gmail.com";
final String password = "your.password";
Properties props = new Properties();
props.put("mail.smtp.auth", true);
props.put("mail.smtp.starttls.enable", true);
props.put("mail.smtp.host", "smtp.gmail.com");
props.put("mail.smtp.port", "587");
props.put("protocol", "smtp");
Session session = Session.getInstance(props, new javax.mail.Authenticator() {
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username, password);
}
});
Message message = new MimeMessage(session);
message.setFrom(new InternetAddress("from.mail.id@g_mail.com"));
message.setRecipients(Message.RecipientType.TO, InternetAddress.parse("to.your.mail@g_mail.com"));
message.setSubject("Testing Subject");
message.setText("PFA");
MimeBodyPart messageBodyPart = new MimeBodyPart();
Multipart multipart = new MimeMultipart();
messageBodyPart = new MimeBodyPart();
String fileName = "attachmentName.xls";
DataSource aAttachment = new ByteArrayDataSource(baos.toByteArray(), "application/octet-stream");
messageBodyPart.setDataHandler(new DataHandler(aAttachment));
messageBodyPart.setFileName(fileName);
multipart.addBodyPart(messageBodyPart);
message.setContent(multipart);
System.out.println("Sending");
Transport.send(message);
System.out.println("Done");
}
}
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