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| 28. 8. 4. 依赖演示 |
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File: context.xml |
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<?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">
<bean id="b" class="B" depends-on="a"/>
<bean id="a" class="A"/>
</beans>
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File: Main.java |
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import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.ClassPathResource;
public class Main {
public static void main(String[] args) {
XmlBeanFactory bf = new XmlBeanFactory(new ClassPathResource("context.xml"));
B b = (B) bf.getBean("b");
A a = (A) bf.getBean("a");
System.out.println(a);
System.out.println(b);
}
}
final class Shared {
private static Object value = null;
private Shared() {
}
public synchronized static void setValue(Object o) {
value = o;
}
public static Object getValue() {
return value;
}
}
class A {
public A() {
Shared.setValue("Undetermined");
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
sb.append("A");
sb.append("{}");
sb.append("Shared.getValue()=").append(Shared.getValue()).append("}");
return sb.toString();
}
}
class B {
public B() {
Shared.setValue("Completed");
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
sb.append("B");
sb.append("{}");
sb.append("Shared.getValue()=").append(Shared.getValue()).append("}");
return sb.toString();
}
}
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 Download: Spring-Spring-beandependencyDemo.zip( 2,600 k) |
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