struts2获取request对象

使用ServletActionContext 获取HttpServletResponse、HttpServletRequest对象 


try {
                  HttpServletResponse httpServletResponse =ServletActionContext.getResponse();
                  httpServletResponse.setContentType("text/html; charset=GBK");
                  PrintWriter out = httpServletResponse.getWriter();                       
                  out.println("true");         
                  out.flush();
                  out.close();
            } catch (IOException e) {
                  // TODO Auto-generated catch block
                  e.printStackTrace();
            }