actuser.java

新闻管理系统

/*
 * Created on 2008-5-5
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package cn.edu.zucc.news.action;

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.actions.DispatchAction;

import cn.edu.zucc.news.model.WebUser;
import cn.edu.zucc.news.model.WebUserDAO;

/**
 * @author Administrator
 * 
 * TODO To change the template for this generated type comment go to Window -
 * Preferences - Java - Code Style - Code Templates
 */
public class ActUser extends DispatchAction {
	public ActionForward checklogin(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		WebUser user = (WebUser) form;

		WebUserDAO dao = new WebUserDAO();
		try {
			dao.checkuser(user); // 该方法请在dao中实现，如果校验失败请抛出相关异常
		} catch (Exception ex) {
			return mapping.findForward("loginfail");
		}
		request.getSession().setAttribute("user", user);
		if ("admin".equals(user.getUsertype()))
			return mapping.findForward("admin");
		else
			return mapping.findForward("editor");
	}

	public ActionForward listUsers(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {

		WebUserDAO dao = new WebUserDAO();
		try {
			List result = dao.loadAllUsers();
			request.setAttribute("objlist", result);
			return mapping.findForward("webUser.list");
		} catch (Exception ex) {
			return mapping.findForward("loginfail");
		}

	}

	public ActionForward modifyuser(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {

		String userid = request.getParameter("userid");
		WebUserDAO dao = new WebUserDAO();
		try {
			WebUser result = dao.readUser(userid);
			if (result == null)
				return mapping.findForward("loginfail");
			request.setAttribute("webUser", result);
			result.setMethod("modifyresult");
			return mapping.findForward("webUser.editor");
		} catch (Exception ex) {
			return mapping.findForward("loginfail");
		}

	}
	public ActionForward modifyresult(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {

		WebUser user=(WebUser) form;
		WebUserDAO dao = new WebUserDAO();
		try {
			dao.saveUser(user);
			return this.listUsers(mapping, form, request, response);
		} catch (Exception ex) {
			return mapping.findForward("loginfail");
		}

	}
	public ActionForward addresult(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {

		WebUser user=(WebUser) form;
		WebUserDAO dao = new WebUserDAO();
		try {
			dao.addUser(user);
			return this.listUsers(mapping, form, request, response);
		} catch (Exception ex) {
			ex.printStackTrace();
			return mapping.findForward("loginfail");
		}

	}

	public ActionForward deleteuser(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {

		String userid = request.getParameter("userid");
		WebUserDAO dao = new WebUserDAO();
		try {
			dao.delUser(userid);
			return this.listUsers(mapping, form, request, response);
		} catch (Exception ex) {
			return mapping.findForward("loginfail");
		}

	}

	public ActionForward adduser(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {

		WebUser user = new WebUser();
		user.setMethod("addresult");

		request.setAttribute("webUser", user);

		return mapping.findForward("webUser.editor");

	}

}