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本文供以下文章参考使用:
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package com.evenif.bean;
public class Index {
private int id;
private String name;
public Index() {
System.out.println("create Index class");
}
public Index(int id, String name) {
this.id = id;
this.name = name;
System.out.println("create Index class with params");
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
@Override
public String toString() {
return "Index{" +
"id=" + id +
", name='" + name + '\'' +
'}';
}
}
工厂类:
package com.evenif.factory;
import com.evenif.bean.Index;
public class MyFactory {
public static Index newIndexInstance(int id,String name){
return new Index(id,name);
}
}
配置文件:
主测试类:
package com.evenif;
import com.evenif.bean.Index;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class Main {
public static void main(String[] args) {
ApplicationContext context = new ClassPathXmlApplicationContext("beans.xml");
//静态工厂获取对象
Index indexFromFactory = (Index) context.getBean("indexFromFactory");
System.out.println(indexFromFactory);
//动态工厂获取对象
Index indexFromDynamicFactory = (Index) context.getBean("index");
System.out.println(indexFromDynamicFactory);
Index indexAlias01 = (Index) context.getBean("index01");
System.out.println(indexAlias01);
Index indexAlias02 = (Index) context.getBean("index02");
System.out.println(indexAlias02);
Index indexAlias03 = (Index) context.getBean("index03");
System.out.println(indexAlias03);
Index indexAlias04 = (Index) context.getBean("index04");
System.out.println(indexAlias04);
Index indexAlias05 = (Index) context.getBean("index05");
System.out.println(indexAlias05);
}
}
//执行结果:
// create Index class with params
// create Index class with params
// Index{id=7, name='iff07'}
// Index{id=8, name='ifdf08'}
// Index{id=8, name='ifdf08'}
// Index{id=8, name='ifdf08'}
// Index{id=8, name='ifdf08'}
// Index{id=8, name='ifdf08'}
// Index{id=8, name='ifdf08'}
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