redisTemplate是否存在key

可以通过调用RedisTemplate的hasKey方法来判断key是否存在。该方法会返回一个boolean值，true表示key存在，false表示key不存在。你可以根据这个返回值来判断redisTemplate是否存在指定的key。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* [spring+mybatis+redis](https://download.csdn.net/download/qiqundelang/10553560)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 33.333333333333336%"]
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- *3* [RedisTemplate 使用总结](https://blog.csdn.net/qq_42599762/article/details/96144852)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 33.333333333333336%"]
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