useraction.java

sql+struts+jsp 提供考试的一般需求

package users;

import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForward;
import org.apache.struts.actions.LookupDispatchAction;
import javax.sql.DataSource;
import java.sql.*;
import java.util.Map;
import java.util.HashMap;
import javax.servlet.http.HttpSession;

public class userAction extends LookupDispatchAction {

    public ActionForward login(ActionMapping mapping, ActionForm form,
                                 HttpServletRequest request,
                                 HttpServletResponse response) throws Exception{
        userForm userForm = (userForm) form;
        String username=userForm.getUsername();
        String password=userForm.getPassword();
        DataSource ds=this.getDataSource(request,"DS");
        boolean r;

        users users=new users(ds);
        r=users.login(username,password);
        if(r){
            HttpSession session=request.getSession();
            session.setAttribute("stuno",username);
            return mapping.findForward("ls");
        }
        else return mapping.findForward("error");
    }

    protected Map getKeyMethodMap(){
        Map map=new HashMap();
        map.put("user.login","login");
        return map;
    }

}