【Struts框架】第一节Action-struts访问request等引用方法三和四

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方法三：

取得真实类型的request,session,application
用得比较少的方法：

package cn.edu.hpu.getValue;import javax.servlet.ServletContext;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpSession;import org.apache.struts2.ServletActionContext;import com.opensymphony.xwork2.ActionSupport;public class LoginAction3 extends ActionSupport {private HttpServletRequest request;private HttpSession session;private ServletContext application;public LoginAction3(){request=ServletActionContext.getRequest();session=request.getSession();application=session.getServletContext();}public String execute(){request.setAttribute("r1", "r1");session.setAttribute("s1", "s1");application.setAttribute("a1", "a1");return SUCCESS;}}

方法四：

取得真实类型的request,session,application
用得比较少的方法：

package cn.edu.hpu.getValue;import javax.servlet.ServletContext;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpSession;import org.apache.struts2.ServletActionContext;import org.apache.struts2.interceptor.ServletRequestAware;import com.opensymphony.xwork2.ActionSupport;public class LoginAction4 extends ActionSupport implements ServletRequestAware{private HttpServletRequest request;private HttpSession session;private ServletContext application;public String execute(){request.setAttribute("r1", "r1");session.setAttribute("s1", "s1");application.setAttribute("a1", "a1");return SUCCESS;}@Overridepublic void setServletRequest(HttpServletRequest request) {this.request=request;this.session=request.getSession();this.application=session.getServletContext();}}

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