获得原生servlet
com.opensymphony.xwork2.ActionContext ===》相当于一个map里面封装了许多的map对象
获取相关域
public class Demo1Action extends ActionSupport {
@Override
public String execute() throws Exception {
//获得request域 --->map (可以获取request域,但是struts2不推荐使用)
Map<String,Object> request = (Map<String, Object>) ActionContext.getContext().get("request");
//推荐使用
ActionContext.getContext().get("key");
//获得session域
Map sessionmap = ActionContext.getContext().getSession();
//获得application域
Map<String, Object> application = ActionContext.getContext().getApplication();
System.out.println("demo1");
return SUCCESS;
}
}