spring扫描到了 为啥没有进行自动装配 报空

Question

ApplicationContext factory=new ClassPathXmlApplicationContext("classpath:applicationContext.xml"); 

String[] s = factory.getBeanDefinitionNames();

for(String ss:s){

System.out.println(ss);

}

userServiceImpl

userController

userDaoImpl

org.springframework.context.annotation.internalConfigurationAnnotationProcessor

org.springframework.context.annotation.internalAutowiredAnnotationProcessor

org.springframework.context.annotation.internalRequiredAnnotationProcessor

org.springframework.context.annotation.internalCommonAnnotationProcessor

org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor#0

org.springframework.context.annotation.ConfigurationClassPostProcessor.importAwareProcessor

org.springframework.context.annotation.ConfigurationClassPostProcessor.enhancedConfigurationProcessor

@Autowired

private IUserService userService;

public void say(){

userService.say();

}

Answer 1

@Autowired是按类型@Resource是根据名字，你看是不是你有重复的类，或者是名字不是首字母小写，