轻量级J2EE企业应用实战源码 7 下

package lee; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.web.struts.ActionSupport; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionMapping; import org.apache.struts.action.ActionForward; /** * @author yeeku.H.lee kongyeeku@163.com * @version 1.0 * <br>Copyright (C), 2005-2008, yeeku.H.Lee * <br>This program is protected by copyright laws. * <br>Program Name: * <br>Date: */ public class LoginAction extends BaseAction { private ValidBean vb; public LoginAction() { System.out.println("------------"); } public void setVb() { vb = (ValidBean)getBean("vb"); } public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)throws Exception { LoginForm loginForm = (LoginForm)form; String username = loginForm.getUsername(); String pass = loginForm.getPass(); setVb(); String errMsg = ""; if (username == null || username.equals("")) { errMsg += "您的用户名丢失或没有输入，请重新输入"; } else if(pass == null || pass.equals("")) { errMsg += "您的密码丢失或没有输入，请重新输入"; } else { if (vb.valid(username,pass)) { return mapping.findForward("welcome"); } else { errMsg = "您的用户名和密码不匹配"; } } if (errMsg != null && !errMsg.equals("")) { request.setAttribute("err" , errMsg); return mapping.findForward("input"); } else { return mapping.findForward("welcome"); } } }