userloginaction.java

通讯录一个供大家参考

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

import java.lang.reflect.InvocationTargetException;

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

import org.apache.commons.beanutils.BeanUtils;
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 UserLoginAction extends DispatchAction {

	//用户注册
	public ActionForward login(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {

		ActionMessages messages = new ActionMessages();
		UserForm userForm = (UserForm) form;
		String username = userForm.getUsername();
		User user = new User();

		try {
			// 检测用户名是否已被注册
			boolean isExisted = UserServiceBD.getUserService().checkUsername(username);

			if (isExisted) {
				messages.add("loginLost", new ActionMessage("username.isExisted"));
				saveErrors(request, messages);
				return new ActionForward(mapping.getInput());
			} else {
				BeanUtils.copyProperties(user, userForm);
				UserServiceBD.getUserService().addUser(user);
				messages.add("loginSuccess", new ActionMessage("login.success"));
				saveErrors(request, messages);
				return mapping.findForward("toEnter");
			}
		} catch (IllegalAccessException e) {
			e.printStackTrace();
		} catch (InvocationTargetException e) {
			e.printStackTrace();
		} catch (ApplicationException e) {
			e.printStackTrace();
			messages.add("loginLost", new ActionMessage("login.lost"));
			saveErrors(request, messages);
			return new ActionForward(mapping.getInput());
		}
		
		return null;
	}	
}