idea中springboot无法自动装配Could not autowire. No beans of ‘UserMapper‘ type found

时间 2020-12-28

标签 java 栏目 Eclipse 繁體版

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方案一在自动转配的注解后面添加(required=false) @Autowired(required=false) public UserMapper userMapper; 当我们在使用@Autowired注解的时候，默认required=true,表示注入的时候bean必须存在，否则注入失败。方案二

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1. idea中springboot无法自动装配Could not autowire. No beans of 'xxx' type found
2. IDEA--Could not autowire. No beans of xxx type found
3. IDEA引入dao接口，Could not autowire. No beans of 'UserMapper' type found
4. IDEA 异常 -- Could not autowire. No beans of 'UserMapper' type found.
5. 问题 21：IDEA 报错 Could not autowire. No beans of 'UserMapper' type found.
6. intellij idea报错Could not autowire. No beans of 'UserMapper' type found.
7. IDEA报错Could not autowire. No beans of 'UserMapper' type found.
8. IDEA中springboot的Could not autowire. No beans of 'xxxx' type found
9. Could not autowire. No beans of 'xxxx' type found
10. Could not autowire. No beans of 'StudentService' type found
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1. idea中springboot无法自动装配Could not autowire. No beans of 'xxx' type found
2. IDEA--Could not autowire. No beans of xxx type found
3. IDEA引入dao接口，Could not autowire. No beans of 'UserMapper' type found
4. IDEA 异常 -- Could not autowire. No beans of 'UserMapper' type found.
5. 问题 21：IDEA 报错 Could not autowire. No beans of 'UserMapper' type found.
6. intellij idea报错Could not autowire. No beans of 'UserMapper' type found.
7. IDEA报错Could not autowire. No beans of 'UserMapper' type found.
8. IDEA中springboot的Could not autowire. No beans of 'xxxx' type found
9. Could not autowire. No beans of 'xxxx' type found
10. Could not autowire. No beans of 'StudentService' type found

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