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…果缓存中存在未过期的结果，则直接返回缓存的结果。否则，获取分布式锁，执行业务逻辑，更新缓存，并返回结果。
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Signed-off-by: TanYibin <5491541@qq.com>
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Signed-off-by: TanYibin <5491541@qq.com>
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Signed-off-by: TanYibin <5491541@qq.com>
-
Signed-off-by: TanYibin <5491541@qq.com>
…果缓存中存在未过期的结果，则直接返回缓存的结果。否则，获取分布式锁，执行业务逻辑，更新缓存，并返回结果。
Signed-off-by: TanYibin <5491541@qq.com>
Signed-off-by: TanYibin <5491541@qq.com>
Signed-off-by: TanYibin <5491541@qq.com>
Signed-off-by: TanYibin <5491541@qq.com>