struts2拦截器中获取session和request

在写struts2拦截器的时候，有时会须要获取session对象或request对象，能够用如下方式来获取

// 获取session

Map<String, Object> session = invocation.getInvocationContext()

.getSession();

//获取request

ActionContext ac = invocation.getInvocationContext();

HttpServletRequest request = (HttpServletRequest) ac

.get(ServletActionContext.HTTP_REQUEST);