userenteraction.java

通讯录一个供大家参考

package com.lideedu.huang.addressBook.struts.action.user;

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

import com.lideedu.huang.addressBook.business.user.UserServiceBD;
import com.lideedu.huang.addressBook.exceptions.ApplicationException;
import com.lideedu.huang.addressBook.pojos.User;
import com.lideedu.huang.addressBook.struts.form.UserForm;

public class UserEnterAction extends DispatchAction {

	public ActionForward enter(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		
		ActionMessages messages=new ActionMessages();
		UserForm userForm = (UserForm) form;	
		User user = new User();
		String username=userForm.getUsername();
		user.setUsername(userForm.getUsername());
		user.setPassword(userForm.getPassword());

		try {
			// 检测用户是否存在
			boolean isExist = UserServiceBD.getUserService().checkUser(user);

			if (isExist) {
				request.getSession(true).setAttribute("username",username);
				return mapping.findForward("toAddRecord");						
			} else {
				messages.add("enter", new ActionMessage("user.not.exist"));
				saveErrors(request, messages);
				return mapping.findForward("toEnter");
			}
		} catch (ApplicationException e) {
			e.printStackTrace();
			messages.add("enter", new ActionMessage("enter.lost"));
			saveErrors(request, messages);
			return mapping.findForward("toEnter");
		}
	}
}