1.直接方法
public String hello(HttpServletRequest request,HttpServletResponse response)
2.注解法
@Autowired
private HttpServletRequest request;
以上方法可能发生 java.lang.IllegalStateException: No thread-bound request found Spring异常,Java并流。使用下面监听器解决
3.
a.在web.xml中配置一个监听
<listener>
<listener-class>
org.springframework.web.context.request.RequestContextListener
</listener-class>
</listener>
b.之后在程序里可以用
HttpServletRequest request = ((ServletRequestAttributes)RequestContextHolder.getRequestAttributes()).getRequest();
附录:如何在Struts2中获取request对象
HttpServletRequest request = ServletActionContext.getRequest();
request.getSession();
HttpServletResponse response =ServletActionContext.getResponse();