java web.xml 拆分_Spring5——Spring开发web项目及拆分Spring配置文件

contextConfigLocation

WEB-INF/applicationContext.xml

WEB-INF/applicationContext-Dao.xml

WEB-INF/applicationContext-Service.xml

WEB-INF/applicationContext-Controller.xml

(2)推荐

contextConfigLocation

WEB-INF/applicationContext.xml

WEB-INF/applicationContext-*.xml

(3)在主配置文件中加载其他文件

servlet容器与ioc容器连接问题。

//在初始化时获取ioc容器中的对象

@Override

public void init() throws ServletException {

// ApplicationContext context=new ClassPathXmlApplicationContext("applicationContext-Service.xml");

//web项目获取上下文对象

ApplicationContext context= WebApplicationContextUtils.getWebApplicationContext(this.getServletContext());

studentService= (IStudentService) context.getBean("studentService");

}