spring中bean的默认作用域

回答: 在Spring中，bean的默认作用域是singleton。当一个bean的作用域为singleton时，Spring容器中只会存在一个共享的bean实例，并且所有对该bean的请求，只要id与该bean定义相匹配，就只会返回同一个实例。\[1\]\[2\]
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- *1* [Spring中Bean的作用域](https://blog.csdn.net/weixin_35106801/article/details/114233547)[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^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* *3* [Spring bean 的5个作用域 Spring Bean的默认作用域为：singleton。它相比其他作用域的优点是系统开销小，...](https://blog.csdn.net/Rideal/article/details/77963912)[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^v91^insertT0,239^v3^insert_chatgpt"}} ] [.reference_item]
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