spring抛出异常：org.springframework.beans.factory.BeanCreationException: Could not autowire method如何解决？

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userController': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire method: public java.util.Map com.tmhome.mall.web.UserController.login(java.lang.String,java.lang.String,javax.servlet.http.HttpSession,javax.servlet.http.HttpServletResponse,javax.servlet.http.HttpServletRequest); nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [java.lang.String] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {}