//Created by MyEclipse Struts// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_3.9.210/xslt/JavaClass.xslpackage com.ascent.struts.action;import java.util.Iterator;import java.util.List;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 com.ascent.bean.Customer;import com.ascent.struts.form.LoginForm;public class LoginAction extends BaseAction {	/**	 * Method execute	 * 	 * @param mapping	 * @param form	 * @param request	 * @param response	 * @return ActionForward	 */	public ActionForward execute(ActionMapping mapping, ActionForm form,			HttpServletRequest request, HttpServletResponse response) {		ActionMessages errors = new ActionMessages();		LoginForm loginForm = (LoginForm) form;		/**		 * 取得輸入的用戶名、密碼		 */		String loginUser = loginForm.getCust_name();		String loginPassword = loginForm.getPassword();		List userList = this.getCustomerService().findCustomerByName(loginUser);// 根據(jù)用戶名得到用戶信息		if (!loginForm.equals(null)) {			if (userList.isEmpty()) {// 如果得到的用戶信息為空，則返回錯誤信息				errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(						"errors.user"));				// errors.add("errors.user", new ActionError("errors.user"));				saveErrors(request, errors);				System.out.println("error.user");				return mapping.findForward("fail");			} else {// 否則，根據(jù)用戶名得到密碼，并和輸入的密碼進行判斷				Iterator it = userList.iterator();				Customer cust = (Customer) it.next();				if (loginPassword.equals(cust.getPassword())) {					request.getSession().setAttribute("user", cust);					System.out.println("用戶名正確！");					return mapping.findForward("success");				} else {// 密碼錯誤則返回錯誤信息					errors.add("errors.password", new ActionMessage(							"errors.password"));					saveErrors(request, errors);					System.out.println("error.password");					return mapping.findForward("fail");				}			}		} else {			System.out.println("error.empty");			return mapping.findForward("fail");		}	}}