login.jsp：<form name="form1" method="post" action="manager.do?action=login">

<servlet>    <servlet-name>action</servlet-name>    <servlet-class>org.apache.struts.action.ActionServlet</servlet-class>    <init-param>      <param-name>config</param-name>      <param-value>/WEB-INF/struts-config.xml</param-value>    </init-param>    <init-param>      <param-name>debug</param-name>      <param-value>3</param-value>    </init-param>    <init-param>      <param-name>detail</param-name>      <param-value>3</param-value>    </init-param>    <load-on-startup>0</load-on-startup>  </servlet>  <servlet-mapping>    <servlet-name>action</servlet-name>    <url-pattern>*.do</url-pattern>  </servlet-mapping>

 <action name="managerForm" path="/manager" scope="request" type="com.action.Manager" validate="true">      <forward name="managerQuery" path="/manager.jsp" />      <forward name="managerLoginok" path="/main.jsp" />      <forward name="managerAdd" path="/manager_ok.jsp?para=1" />      <forward name="managerQueryModify" path="/manager_Modify.jsp" />

public ActionForward execute(ActionMapping mapping, ActionForm form,			HttpServletRequest request, HttpServletResponse response) {		String action = request.getParameter("action");		System.out.println("获取的查询字符串：" + action);		if (action == null || "".equals(action)) { /*如果没有操作的动作*/			return mapping.findForward("error");		} else if ("login".equals(action)) {	/*如果是处理管理员登陆*/			return managerLogin(mapping, form, request, response);		} else if ("managerAdd".equals(action)) {			return managerAdd(mapping, form, request, response);		} else if ("managerQuery".equals(action)) {			return managerQuery(mapping, form, request, response);		} else if ("managerModifyQuery".equals(action)) {			return managerModifyQuery(mapping, form, request, response);		} else if ("managerModify".equals(action)) {			return managerModify(mapping, form, request, response);		} else if ("managerDel".equals(action)) {			return managerDel(mapping, form, request, response);		} else if ("querypwd".equals(action)) {			return pwdQuery(mapping, form, request, response);		} else if ("modifypwd".equals(action)) {			return modifypwd(mapping, form, request, response);		}		request.setAttribute("error", "操作失败！");		return mapping.findForward("error");	}public ActionForward managerLogin(ActionMapping mapping, ActionForm form,			HttpServletRequest request, HttpServletResponse response) {		ManagerForm managerForm = (ManagerForm) form;		managerForm.setName(managerForm.getName());		managerForm.setPwd(managerForm.getPwd());		/*将存有管理员信息的formbean传递给DAO业务层处理(查询是否存在该管理员帐号和密码)*/		int ret = managerDAO.checkManager(managerForm);		System.out.print("验证结果ret的值:" + ret);		/*业务层如果返回１，表示验证成功*/		if (ret == 1) {			/*将用户帐号保存在session中*/			HttpSession session = request.getSession();			session.setAttribute("manager", managerForm.getName());			/*交给控制器，跳转到登陆成功的页面*/			return mapping.findForward("managerLoginok");		} else {			request.setAttribute("error", "您输入的管理员名称或密码错误！");			return mapping.findForward("error");		}	}