mysql 相关知识

private static Map retryRecursion(String email,String allException,int times) {
		Map asd =  new HashMap<>();
		try {
			String[]sendEmail = {"pemarket10@zero2ipo.com.cn","pemarket11@zero2ipo.com.cn","pemarket12@zero2ipo.com.cn","pemarket13@zero2ipo.com.cn","pemarket14@zero2ipo.com.cn",
					"pemarket15@zero2ipo.com.cn","pemarket16@zero2ipo.com.cn","pemarket17@zero2ipo.com.cn","pemarket18@zero2ipo.com.cn","pemarket19@zero2ipo.com.cn","pemarket20@zero2ipo.com.cn"};
			asd = EmailUtils.sendEmail(email, allException, "投资人行为异常预警", sendEmail[(int)(Math.random()*11)], "");
			if (asd.get("sendstatus")==null || !"1".equals(asd.get("sendstatus"))) {
				throw new IOException(asd.get("sendstatus"));
			}
			return asd;
		} catch (Exception e) {
			times--;
			log.error("重试"+(5-times)+"次，错误信息:"+asd);
			//重试次数到了
			if (times <= 0) {
				logger.error("重试次数用完，未正确调用邮件服务");
				return null;
			}
			//休眠一会
			try {
				TimeUnit.MILLISECONDS.sleep(50);
			} catch (InterruptedException e1) {
			}
			//重试
			return retryRecursion(email,allException,times);
		}
	}