JAVA认证考试基础知识笔记22
20.Float price = (Float) arg;21. Float decrease = product.getPrice() - price;
22.if (decrease >0) {
23.// 发送邮件
24.SimpleMailSender sms = MailSenderFactory
25getSender(MailSenderType.SERVICE);
26.List recipients = new ArrayList();
27.recipients.add("invisible@qq.com");
28.recipients.add("invisible@gmail.com");
29.try {
30.for (String recipient : recipients) {
31.sms.send(recipient, "价格变动", "您关注的物品"
32.+ product.getName() + "降价了,由"
33.+ product.getPrice() + "元降到" + price + "元,降幅达"
34.+ decrease + "元人民币。赶快购物吧。");
35.}
36.} catch (AddressException e) {
37.e.printStackTrace();
38.} catch (MessagingException e) {
39.e.printStackTrace();
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