mapper注入失败:

Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.xxx.XxxMapper] found for dependency:
expected at least 1 bean which qualifies as autowire candidate for this dependency.
Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}

原因：

1.所有bean注入失败，先检查包扫描，这个bean所在的包是否扫到
2.在检查是否告诉spring，这个要被扫描到，
3.普通service就直接@Service或者配置标签
4.mapper就检查下的basePackage属性，是否配置的是正确的mapper路径

我就是很久不写dao层了，项目dao层又是复制其他项目的，导致忘记检查上面的原因4了，浪费了足足二十分钟左右，特此记录。

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mapper注入失败，NoSuchBeanDefinitionException: No qualifying bean of type [com.xxx.XxxMapper] found for d

mapper注入失败:

原因：

我就是很久不写dao层了，项目dao层又是复制其他项目的，导致忘记检查上面的原因4了，浪费了足足二十分钟左右，特此记录。

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