加载applicationContext文件的七种方法

 /** 1 把applicationContext.xml放到classpath目录下*///     Resource resource = new ClassPathResource("applicationContext.xml");//     BeanFactory factory = new XmlBeanFactory(resource);//     JdbcTemplate jt = (JdbcTemplate)factory.getBean("jdbcTemplate");     /** 2*///  WebApplicationContext wac = WebApplicationContextUtils.getRequiredWebApplicationContext(ctx);//     JdbcTemplate jt = (JdbcTemplate) wac.getBean("jdbcTemplate");     /** 3*///     ApplicationContext ac = new FileSystemXmlApplicationContext("D://apache-tomcat-6.0.29//webapps//jf_shop//WEB-INF//applicationContext.xml");//     JdbcTemplate jt = (JdbcTemplate) ac.getBean("jdbcTemplate");     /** 4*///     WebApplicationContext wac = (WebApplicationContext)ctx.getAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE); //     JdbcTemplate jt = (JdbcTemplate) wac.getBean("jdbcTemplate");     /** 5把applicationContext.xml放到classpath目录下*///     ClassPathXmlApplicationContext ac = new ClassPathXmlApplicationContext("applicationContext_ty.xml");     ClassPathXmlApplicationContext ac = new ClassPathXmlApplicationContext(new String[] {"applicationContext_ty.xml","applicationContext.xml","applicationContext_zj.xml","applicationContext_mtb.xml","applicationContext_wll.xml"});        BeanFactory factory = ac;     JdbcTemplate jt = (JdbcTemplate)factory.getBean("jdbcTemplate");//        dao =   (PingPaiDao)factory.getBean("dao");  /** 6  必须继承MultiActionController类*///  JdbcTemplate jt = (JdbcTemplate) getApplicationContext().getBean("jdbcTemplate");  /** 7*///     XmlWebApplicationContext xctx = new XmlWebApplicationContext();//     xctx.setConfigLocations(new String[] {"/WEB-INF/applicationContext.xml"});//     xctx.setServletContext(ctx);//     xctx.refresh();     /** 8*///     JdbcTemplate jt = (JdbcTemplate)xctx.getBean("jdbcTemplate");