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Spring加载上下文几种方式(Spring配置XML)

2017-08-28 14:31 471 查看
1:spring-mvc.xml中用import引入其他的配置文件
<import resource="user_spring.xml" />

2:在web.xml配置,应用服务去加载
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/applicationContext*.xml,/WEB-INF/user_spring*.xml</param-value>
</context-param>

3:引用资源用XmlBeanFactory(不能实现多个文件相互引用)

  Resource resource = new ClassPathResource("appcontext.xml");
  BeanFactory factory = new XmlBeanFactory(resource);

4:引用应用上下文用ClassPathXmlApplicationContext
  ApplicationContext factory=new ClassPathXmlApplicationContext("classpath:applicationContext.xml");
  ApplicationContext factory=new ClassPathXmlApplicationContext("conf/userConfig.xml");
  ApplicationContext factory=new ClassPathXmlApplicationContext("file:G:/Test/src/appcontext.xml");

5:用文件系统的路径引用应用上下文用FileSystemXmlApplicationContext
  ApplicationContext factory=new FileSystemXmlApplicationContext("src/applicationContext.xml");
  ApplicationContext factory=new FileSystemXmlApplicationContext("classpath:appcontext.xml");
  ApplicationContext factory=new FileSystemXmlApplicationContext("file:G:/Test/src/appcontext.xml");
  ApplicationContext factory=new FileSystemXmlApplicationContext("G:/Test/src/appcontext.xml");

6:Web工程定制的加载方法 XmlWebApplicationContext
  ServletContext servletContext = request.getSession().getServletContext();
  ApplicationContext ctx = WebApplicationContextUtils.getWebApplicationContext(servletContext );
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