redis distributed lock redis分布式锁试下

@Resource
private DistributedRedisLockTemplate lockTemplate;

String distributedKey="lockKey" ;
DistributedLockCallback<String> callback = new DistributedLockCallback<String>() {
                @Override
                public String callback() throws Exception {
                    return businessMethod();
                }
            };
accessToken = lockTemplate.execute(callback, new WechatSchemeLockKey(distributedKey));