showdetailaction.java

来自「一个用java开发的网上购物系统。基本功能都是可以实现的」· Java 代码 · 共 45 行

package store;
import java.util.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.DynaActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;

public class ShowDetailAction extends Action {
public ActionForward execute(
ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
  HttpSession session=request.getSession();
  DynaActionForm tform=(DynaActionForm)form;
  ActionErrors errors=new ActionErrors ();
  String pid=(String)tform.get("pid");

  try{
    DetailInfo DI=new DetailInfo();
    int id=Integer.parseInt(pid);
    Vector vc=DI.getCommentary(id);

    ProInfo PI=DI.getProDetailInfo(id);
    session.setAttribute("commentary",vc);
    session.setAttribute("detail",PI);

  }
  catch(Exception e){
    ActionError err= new ActionError ("error.global");
    errors.add(ActionErrors.GLOBAL_ERROR,err);
    this.saveErrors(request,errors);
    return mapping.findForward("error");
  }
  return mapping.findForward("DispProInfo");
 }
}