从spring配置文件读取bean的方法

/**第一种 */
ApplicationContext ac = new FileSystemXmlApplicationContext("serviceContext.xml");
JurisdictionImp jurisdictionImp = (JurisdictionImp)ac.getBean("jurisdictionImp");/**第二种*/

FileSystemXmlApplicationContext ctx =new FileSystemXmlApplicationContext(CONTEXT_FILE);
JurisdictionImp jurisdictionImp = (JurisdictionImp) ctx.getBean("jurisdictionImp");

/**第三种*/

Resource resource = new ClassPathResource(CONTEXT_FILE);
XmlBeanFactory beanFactory = new XmlBeanFactory( resource);
JurisdictionImp jurisdictionImp=(JurisdictionImp) beanFactory.getBean("jurisdictionImp");

/**第四种*/

ServletContext context=request.getSession().getServletContext();
ApplicationContext ctx = WebApplicationContextUtils.getRequiredWebApplicationContext(context);
JurisdictionImp jurisdictionImp=(JurisdictionImp) ctx.getBean("jurisdictionImp");

/**第五种*/

/**
* 获得其它业务类对象
* */
public Object getBean(String name)
{
WebApplicationContext ctx
if (ctx == null)
{
ctx = WebApplicationContextUtils
.getRequiredWebApplicationContext(servlet.getServletContext());
}
return ctx.getBean(name);
}