managerloginaction.java

用struts,spring实现网上商店的功能！！

package managerlogin;

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

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

public class ManagerLoginAction extends Action {

	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ManagerLoginActionForm laf = (ManagerLoginActionForm) form;
		String username = laf.getUsername();
		String password = laf.getPassword();

		String errorInfo = "";
		try {
			UserManager.getInstance().login(username, password);

			return mapping.findForward("manager_success");
		} catch (UserNotFoundException unfe) {
			unfe.printStackTrace();
			errorInfo = "管理员不存在，管理员名称=[" + username + "]";
		} catch (PasswordErrorException pee) {
			pee.printStackTrace();
			errorInfo = "密码错误";
		}
		request.setAttribute("errorinfo", errorInfo);
		return mapping.findForward("manager_error");
	}
}