landingaction.java

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package struts.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.action.DynaActionForm;

import dao.UserDao;
import domain.Users;


public class LandingAction extends Action{
	public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request,HttpServletResponse response){
		DynaActionForm daf = (DynaActionForm)form;
		String username = daf.getString("email");
		String password = daf.getString("password");
		System.out.println("用户名："+username+"，密码："+password+"。");
		UserDao ud = new UserDao();
		Users user = ud.login(username, password);
		if(user == null){
			ActionMessages errors = new ActionMessages();
			errors.add("nameerror",new ActionMessage("nameerror"));
			this.saveErrors(request, errors);
			return mapping.findForward("bucheng");
		}
		
		request.getSession().setAttribute("user", user);
		return mapping.findForward("success");
		
	}
}