loginaction.java

教你一天学会struts

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.soft136.strutsoneday.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.ActionErrors;
import org.apache.struts.action.ActionMessage;
import com.soft136.strutsoneday.form.LoginForm;
import com.soft136.strutsoneday.model.UserBean;
import com.soft136.strutsoneday.model.User;

/**
 * MyEclipse Struts Creation date: 03-18-2008
 * 
 * XDoclet definition:
 * 
 * @struts.action path="/login" name="loginForm" input="/index.jsp"
 *                scope="request" validate="true"
 * @struts.action-forward name="main" path="/main.jsp"
 * @struts.action-forward name="false" path="/login.jsp"
 */
public class LoginAction extends Action {
	/*
	 * Generated Methods
	 */

	/**
	 * Method execute
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		LoginForm loginForm = (LoginForm) form;
		ActionErrors errors = new ActionErrors();
//		String id = (String)request.getParameter("id");
//		System.out.println(id);
//		String value = (String)request.getParameter("value");
//		System.out.println(value);
		String username = loginForm.getUsername();
		String password = loginForm.getPassword();
		UserBean user = null;
		try {
			user = new User().login(username, password);
			if (user == null) {
				errors.add("login", new ActionMessage("login.user.noexist"));
				saveErrors(request, errors);
				return mapping.findForward("false");
			}
		} catch (java.sql.SQLException e) {
			e.printStackTrace();
			errors.add("login", new ActionMessage("login.SQLException"));
			saveErrors(request, errors);
			return mapping.getInputForward();
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
			errors.add("login", new ActionMessage(
					"login.ClassNotFoundException"));
			saveErrors(request, errors);
			return mapping.getInputForward();
		}

		request.getSession().setAttribute("user", user);
		return mapping.findForward("main");
	}
}