演示在Spring中为Bean设置别名
//File: beans.xml
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
<!-- aliasing examples -->
<bean id="name1" name="name2,name3,name4" class="java.lang.String"/>
</beans>
//////////////////////////////////////////////////////////////////////////////
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.FileSystemResource;
public class BeanNameAliasing {
public static void main(String[] args) {
BeanFactory factory = new XmlBeanFactory(new FileSystemResource("build/beans.xml"));
String s1 = (String)factory.getBean("name1");
String s2 = (String)factory.getBean("name2");
String s3 = (String)factory.getBean("name3");
String s4 = (String)factory.getBean("name4");
System.out.println((s1 == s2));
System.out.println((s2 == s3));
System.out.println((s3 == s4));
String[] x = factory.getAliases("name3");
System.out.println("");
}
}