actlogin.java

struts入门教程

/*
 * Created on 2009-5-4
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package cn.edu.zucc.struts.app01;

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;

/**
 * @author Administrator
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class ActLogin extends Action {
	public ActionForward execute(ActionMapping arg0, ActionForm arg1,
			HttpServletRequest arg2, HttpServletResponse arg3) throws Exception {
		// TODO Auto-generated method stub
		System.out.println("1-");
		ActfrmLogin userinfo = (ActfrmLogin) arg1;
		boolean flag = true;
		UserDAO userdao = new UserDAO();
		String a = userinfo.getUserid();
		ActfrmLogin dd = userdao.readUser(a);
		
		try {
			if (dd == null) {
				flag = false;
				throw new Exception("用户不存在");

			} else {
				System.out.println(dd.getPwd());
				if (!dd.getPwd().equals(userinfo.getPwd())) {
					flag = false;
					throw new Exception("密码错误");
				} else {
					flag = true;
				}

			}
		} catch (Exception ex) {
			arg2.setAttribute("errormsg", ex.getMessage());
		}

		if (flag)
			return arg0.findForward("loginOk");
		else
			return arg0.findForward("loginFail");

	}
}