初始化spring容器的几种方法

最新推荐文章于 2025-02-15 19:33:52 发布

转载最新推荐文章于 2025-02-15 19:33:52 发布 · 346 阅读

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#JAVA #SPRING

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本文通过多个示例展示了如何使用 Spring 框架的 IoC 容器加载配置文件并获取 Bean 实例。介绍了 ClassPathXmlApplicationContext 和 XmlBeanFactory 的用法，以及如何指定不同的资源位置。

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package ssh.spring;

import java.io.IOException;

import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.FileSystemResource;
import org.springframework.core.io.Resource;

public class Test {
   @org.junit.Test
   public void test1(){
      ApplicationContext ac=new ClassPathXmlApplicationContext("ssh/spring/applicationContext.xml");
      Person p1=(Person)ac.getBean("person");
      System.out.println("test1 "+p1);
   }
   @org.junit.Test
   public void test2(){
      ApplicationContext ac=new ClassPathXmlApplicationContext("applicationContext.xml",this.getClass());
      Person p1=(Person)ac.getBean("person");
      System.out.println("test2 "+p1);
   }
   @org.junit.Test
   public void test3(){
      Resource resource=new ClassPathResource("ssh/spring/applicationContext.xml");
      BeanFactory beanFactory=new XmlBeanFactory(resource);
      Person p1=(Person)beanFactory.getBean("person");
      System.out.println("test3 "+p1);
   }
   @org.junit.Test
   public void test4() throws IOException{
      Resource resource=new ClassPathResource("applicationContext.xml",this.getClass());
      BeanFactory beanFactory=new XmlBeanFactory(resource);
      Person p1=(Person)beanFactory.getBean("person");
      System.out.println("test4 "+p1);
   }
   @org.junit.Test
   public void test5(){
      Resource resource=new FileSystemResource("E:/Java/study/WebRoot/WEB-INF/classes/ssh/spring/applicationContext.xml");
      BeanFactory beanFactory=new XmlBeanFactory(resource);
      Person p1=(Person)beanFactory.getBean("person");
      System.out.println("test5 "+p1);
   }
}