package?com.autowiring;

public?class?AutoService?{
????private?AutoDao?aotudao1;

	public?AutoService(AutoDao?aotudao1){
		System.out.println("AutoService構造方法");
		this.aotudao1?=?aotudao1;
	}
	
	public?void?setAotudao1(AutoDao?aotudao1)?{
		System.out.println("AutoService?set方法");
		this.aotudao1?=?aotudao1;
	}
	public?void?say(String?word)?{
	?????this.aotudao1.say(word);
		
	}
}

package?com.autowiring;

import?org.junit.Test;

import?com.imooc.test.base.UnitTestBase;

public?class?AutoTest?extends?UnitTestBase{
????????public?AutoTest(){
????????	super("classpath*:spring.autowiring.xml");
????????}
?????????@Test
????????public?void?testbyname(){
????????	AutoService?Service=super.getBean("auto");
????????	Service.say("hello");
????????}
}

<?xml?version="1.0"?encoding="UTF-8"?>
<beans?xmlns="http://www.springframework.org/schema/beans"
????xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
????xsi:schemaLocation="http://www.springframework.org/schema/beans
????????http://www.springframework.org/schema/beans/spring-beans.xsd"
??????default-autowire="byName">
????????
	<bean?id="aotudao1"?class="com.autowiring.AutoDao"??></bean>
	<bean?id="auto"?class="com.autowiring.AutoService">
	</bean>
?</beans>

package?com.autowiring;

public?class?AutoDao?{
?????public?void?say(String?word){
????	?System.out.println("這是Dao層:"+word);
?????}
}

錯誤信息：No bean named 'auto' is defined

我的配置文件哪里錯了