spring容器无法注入service（No qualifying bean of type）
No qualifying bean of type [j.service.IUserService] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}如果是用xml配置的，确
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No qualifying bean of type [j.service.IUserService] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}
如果是用xml配置的，确定下bean的name(id)是否正确，配置是否完整，如果是用注解，确定下你xml配置里面的扫描包是否扫描到了UserService这个java类所在的包，并且看下UserService类的注解配置是否正确！
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