struts2自带的通过ActionContext获取request怎么取表单数据

通过获取到的request怎么取表单中的数据

aware接口注入,即实现ServletRequestAware接口(此方式最为麻烦)
  public class Demo2ServletAction extends ActionSupport implements ServletRequestAware{

    private HttpServletRequest request;
  

    @Override
    public String execute() throws Exception {
     request.setAttribute("gf", "request_aware");
     return SUCCESS;
    }
  

    @Override
    public void setServletRequest(HttpServletRequest request) {
     this.request = request;
    }
  }
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