loginaction.java

一个很好的jbpm应用实例

package c20.struts.action;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
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 c20.entity.UserInfo;
import c20.entity.Userduty;
import c20.service.UserService;
import c20.service.UserdutyService;
import c20.session.UserSession;
import c20.struts.action.exception.ActionException;

/** 
 * 
 * 登陆Action类
 * @struts.action path="/loginsub" 
 *      scope="request"
 */
public class LoginAction extends Action{
	/**
	 * 日志操作对象
	 */
    private static final Log log = LogFactory.getLog(LoginAction.class);
    /**
     * 用户服务接口实现对象
     */
	private UserService userService;	
    /**
     * 用户职责服务接口实现对象
     */
	private UserdutyService userdutyService;	

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		//得到登陆账号与密码
		String loginName = request.getParameter("loginName");
		String password = request.getParameter("password");
				
		try {
			//登陆
			int userNo = userService.login(loginName, password);
			if(userNo > 0){
				//登陆成功,得到用户信息
				UserInfo userInfo = userService.getUserInfo(userNo);
				
				UserSession usersession = new UserSession();
				usersession.setUserNo(userNo);
				usersession.setDutyNo(userInfo.getDutyNo());
				
				//得到对应职责名称
				Userduty userduty = userdutyService.getUserduty(userInfo.getDutyNo());
				usersession.setDutyName(userduty.getName());
				usersession.setDutyValue(userduty.getDutyValue());
				usersession.setDutyType(userduty.getDutyType());
				usersession.setLoginName(loginName);
				usersession.setPassword(password);
				//保存登陆信息到Session中
				UserSession.saveSession(usersession, request, response);
			}
		} catch (ActionException e) {
			//捕获异常，输出异常信息
			request.setAttribute("loginerrorString", e.getExceptionString());
			
			log.debug(e.getExceptionString(), e);
			return mapping.findForward("failure");	
		} 
		return mapping.findForward("success");
	}

	/**
	 * 得到用户职责服务接口实现对象
	 * @return userdutyService
	 */
	public UserdutyService getUserdutyService() {
		return userdutyService;
	}

	/**
	 * 设置用户职责服务接口实现对象
	 * @param userdutyService 要设置的 userdutyService
	 */
	public void setUserdutyService(UserdutyService userdutyService) {
		this.userdutyService = userdutyService;
	}

	/**
	 * 得到用户服务接口实现对象
	 * @return userservice
	 */
	public UserService getUserService() {
		return userService;
	}

	/**
	 * 设置用户服务接口实现对象
	 * @param userService 要设置的 userService
	 */
	public void setUserService(UserService userService) {
		this.userService = userService;
	}

}