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我创建了处理邮件异常逻辑的服务 public class MailSendingException extends Exception { public MailSendingException() { } public MailSendingException(String s) { super(s); } } 此特定视图的和控制器 @Controller public class errorMailController { @GetMapping("/errorMail") public String errorMail() { return "errorMail"; } } 然后我在发送电子邮件的地方使用了它 try { mailService.sendMail(templateEngine.process("summary/mailTemplate", ctx), userInfo.getEmail(), true, "Mail title", "attachment title); } catch (IOException e) { e.printStackTrace(); return "redirect:/404"; } catch (MailSendingException mse) { return "redirect:/errorMail"; } |