loginaction.java

基于SSH的实现用户注册与登入功能。非常适合SSH初学者的入门。其中的设计模式可以应用到任何项目中。

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.yuanchung.struts.action;

import java.io.UnsupportedEncodingException;

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

import org.apache.log4j.Logger;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.actions.DispatchAction;

import com.yuanchung.test.exception.*;
import com.yuanchung.struts.form.LoginForm;
import com.yuanchung.test.util.CONSTANTS;
import com.yuanchung.test.service.users.usersMgr;

/** 
 * MyEclipse Struts
 * Creation date: 12-25-2008
 * 
 * XDoclet definition:
 * @struts.action parameter="dispatch" scope="request" validate="true"
 */
public class LoginAction extends DispatchAction {
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	private usersMgr userMgr;

	public void setUserMgr(usersMgr userMgr) {
		this.userMgr = userMgr;
	}

	public usersMgr getUserMgr() {
		return userMgr;
	}

	public ActionForward login(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws UnsupportedEncodingException {
		request.setCharacterEncoding("utf-8");
		String forward = null;
		//ActionMessages errors=new ActionMessages();
		LoginForm userform = (LoginForm) form;
		String username = userform.getUsername();
		String password = userform.getPassword();
		try {
			userMgr.findUserByNameAndPass(username, password);
			forward = "success";
		} catch (myException e) {
			request.setAttribute("LOGININFO", e.getMessage());
			forward = "failure";
		}
		return mapping.findForward(forward);
	}
}