backOffPolicy.setBackOffPeriod(fixedPeriodTime); ? ?// 設(shè)置重試策略，主要設(shè)置重試次數(shù) ? ?SimpleRetryPolicy retryPolicy = new SimpleRetryPolicy(maxRetryTimes, exceptionMap); ? ?retryTemplate.setRetryPolicy(retryPolicy); ? ?retryTemplate.setBackOffPolicy(backOffPolicy);