Struts2中获取http请求对象的各种方法
import java.util.Map; import javax.servlet.ServletContext; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.apache.struts2.ServletActionContext; import org.apache.struts2.interceptor.ApplicationAware; import org.apache.struts2.interceptor.RequestAware; import org.apache.struts2.interceptor.ServletRequestAware; import org.apache.struts2.interceptor.ServletResponseAware; import org.apache.struts2.interceptor.SessionAware; import org.apache.struts2.util.ServletContextAware; import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ActionSupport; @SuppressWarnings( { "serial", "unused", "unchecked" }) public class GetHttp extends ActionSupport implements ServletRequestAware, ServletResponseAware, RequestAware, SessionAware, ServletContextAware, ApplicationAware { private HttpServletRequest request; private HttpServletResponse response; private HttpSession session; private Map<String, Object> requestMap, sessionMap, contextMap; private ServletContext context; @Override public String execute() throws Exception { this.request = ServletActionContext.getRequest(); this.request = (HttpServletRequest) ActionContext.getContext().get( ServletActionContext.HTTP_REQUEST); this.session = this.request.getSession(); this.sessionMap = ActionContext.getContext().getSession(); this.sessionMap = ServletActionContext.getContext().getSession();// 调用父类ActionContext的方法 this.sessionMap = (Map<String, Object>) ActionContext.getContext().get( ServletActionContext.SESSION); this.response = ServletActionContext.getResponse(); this.response = (HttpServletResponse) ActionContext.getContext().get( ServletActionContext.HTTP_RESPONSE); this.context = this.session.getServletContext(); this.context = ServletActionContext.getServletContext(); this.context = (ServletContext) ActionContext.getContext().get( ServletActionContext.SERVLET_CONTEXT); this.contextMap = ActionContext.getContext().getApplication(); this.contextMap = ActionContext.getContext().getContextMap(); this.contextMap = (Map<String, Object>) ActionContext.getContext().get( ActionContext.APPLICATION); this.contextMap = (Map<String, Object>) ActionContext.getContext().get( ServletActionContext.APPLICATION); return SUCCESS; } public void setServletRequest(HttpServletRequest request) { this.request = request; } public void setServletResponse(HttpServletResponse response) { this.response = response; } public void setRequest(Map<String, Object> requestMap) { this.requestMap = requestMap; } public void setSession(Map<String, Object> sessionMap) { this.sessionMap = sessionMap; } public void setServletContext(ServletContext context) { this.context = context; } public void setApplication(Map<String, Object> contextMap) { this.contextMap = contextMap; } }
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