最近公司运维几乎把权限都收走了,所以统计数据这块发邮件审批通过开始计算很不方便,所以弄成excel发到自己的邮箱吧,excel是普通的功能但是我几乎没有做过,哈哈~也是意想不到,开始吧
从库或者缓存中查出数据
设计excel,这不没有生成文件,差的几步从网上找一下还是有的
private HSSFWorkbook exportDate(Map<Integer, List<UserDto>> resultMap) {
List<String> headers = new ArrayList<>();
headers.add("goddess");
headers.add("userName");
headers.add("goldNum");
headers.add("totalDuration");
headers.add("callTime");
HSSFWorkbook workbook = new HSSFWorkbook();
for (Map.Entry<Integer, List<UserDto>> listEntry : resultMap.entrySet()) {
HSSFSheet sheet = workbook.createSheet(String.valueOf(listEntry.getKey()));
log.info("cur sheet {}", listEntry.getKey());
HSSFRow hssfRow = sheet.createRow(0);
for (int i = 0, l = headers.size(); i < l; i++) {
HSSFCell cell = hssfRow.createCell(i);
cell.setCellValue(new HSSFRichTextString(headers.get(i)));
}
int i = 1;
for (UserDto userDto : listEntry.getValue()) {
HSSFRow newRos = sheet.createRow(i);//数据从第二行开始
HSSFCell cell = newRos.createCell(0);
cell.setCellValue(userDto.getUserId());
HSSFCell cell1 = newRos.createCell(1);
cell1.setCellValue(userDto.getUserName());
HSSFCell cell2 = newRos.createCell(2);
cell2.setCellValue(userDto.getSnowflake());
i++;
}
}
log.info("excel success ");
return workbook;
}
发送邮件
配置,这块还是不要硬编码,我也不能老守着这块,万一离职了呐,到时候换个email就可了
private void sendMail(HSSFWorkbook workbook, String reviveEmail) throws Exception {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
workbook.write(baos);
baos.flush();
byte[] bt = baos.toByteArray();
InputStream is = new ByteArrayInputStream(bt, 0, bt.length);
baos.close();
Session session = getSession();//获得回话
Message msg = new MimeMessage(session);//获取邮件
msg.setSubject("女神活动排行");//主题
msg.setFrom(new InternetAddress(formMail));//设置发件人(必须与授权地址一致)
msg.setRecipient(Message.RecipientType.TO, new InternetAddress(reviveEmail));
MimeMultipart multipart = new MimeMultipart();
BodyPart filebodypart = new MimeBodyPart();
DataSource source = new ByteArrayDataSource(is, "application/msexcel");
filebodypart.setDataHandler(new DataHandler(source));
filebodypart.setFileName(MimeUtility.encodeText("goddessRankInfo.xls"));//设置附件名
multipart.addBodyPart(filebodypart);
BodyPart textbodypart = new MimeBodyPart();
textbodypart.setText("请查看附件");
multipart.addBodyPart(textbodypart);
msg.setContent(multipart);
Transport trans = session.getTransport();
trans.connect(mailUser, mailPwd);//登陆邮箱
trans.sendMessage(msg, msg.getAllRecipients());
trans.close();
}
private Session getSession() {
Properties props = new Properties();
props.put("xmail.transport.protocol", "smtp");//链接协议
props.put("mail.smtp.host", "smtp.exmail.qq.com");//主机名 smtp.exmail.qq.com:腾讯企业邮
props.put("mail.smtp.port", 465);//端口号
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.starttls.enable", true);
props.put("mail.smtp.ssl.enable", "true");//使用ssl安全链接
props.put("mail.debug", "true");//控制台打印debug信息
return Session.getInstance(props);//获得回话
}
万一失败的话,发个邮件告知一下
private void sendAlarm() {
SimpleMailMessage message = new SimpleMailMessage();
message.setFrom(formMail);
message.setTo(toMail);
message.setSubject("error goddess Rank");
message.setText("error ");
mailSender.send(message);
}
这块业务业务的原因设置了分布式锁,当然锁这块就离题了,大概是这样,谢谢阅读。