logonaction.java

来自「struts做得固定资产管理系统 带毕业论文完整版」· Java 代码 · 共 53 行

package com.qrsx.appcam.action;

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

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

import com.qrsx.appcam.dao.UserDAO;
import com.qrsx.appcam.form.UserForm;
import com.qrsx.appcam.model.User;

public class LogonAction extends BaseDispatchAction {

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

		// 验证数据有效性
		ActionErrors errors = form.validate(mapping, request);
		if (!errors.isEmpty()) {

			saveErrors(request, errors);
			return mapping.findForward("failure");
		}
		UserForm userForm = (UserForm) form;
		String logonName = userForm.getLogonName();
		String password = userForm.getPassword();
		try {

			UserDAO dao = new UserDAO();
			User user = dao.findForLogon(logonName, password);
			// 如果返回的user为空 则登陆失败
			if (user == null) {
				// 保存错误信息
				saveError(request, "error.login.invalidate", logonName,password);
				return mapping.findForward("failure");
			}
			//把User对象设置到Session中
			request.getSession().setAttribute(User.CURRENT_USER, user);

		} catch (Exception e) {

			e.printStackTrace();
			saveError(request, "error.login.invalidate", logonName, password);
			return mapping.findForward("failure");
		}
		return mapping.findForward("success");
	}

}