Spring报错：org.springframework.beans.factory.NoUniqueBeanDefinitionException
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org.springframework.beans.factory.NoUniqueBeanDefinitionException: No qualifying bean of type [com.panpan.beans.Book] is defined: expected single matching bean but found 2: book01,book02
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBean(DefaultListableBeanFactory.java:312)
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:985)
at com.panpan.test.IOCTest.test2(IOCTest.java:37)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBean(DefaultListableBeanFactory.java:312)
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:985)
at com.panpan.test.IOCTest.test2(IOCTest.java:37)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
如果按照类型获取Spring组件（bean），有多个类型相同的bean都会报错，换成id获取即可，或者不要有多个类型的bean
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