preloginaction.java

来自「struts+Spring+Hibernate经典入门源码」· Java 代码 · 共 55 行

package com.softeem.login.action;

import java.sql.Connection;

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

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 com.softeem.login.model.UserDAO;
import com.softeem.login.model.UserDTO;

public class PreLoginAction extends Action {

	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		String forward = "login";
		// 获取该服务器给客户端种下的所有cookie
		Cookie[] cookies = request.getCookies();
		if (cookies != null) {
			UserDTO dto = new UserDTO();
			for (int i = 0; i < cookies.length; i++) {
				String name = cookies[i].getName();
				String value = cookies[i].getValue();
				System.out.println(name + " " + value);
				if ("USERNAME".equals(name)) {
					dto.setUsername(value);
				} else if ("PASSWORD".equals(name)) {
					dto.setPassword(value);
				}
			}
			Connection con = this.getDataSource(request).getConnection();
			UserDAO dao = new UserDAO(con);
			boolean valid = dao.validLogin(dto);
			con.close();
			if(valid)
			{
				HttpSession session = request.getSession();
				session.setAttribute("USERINFO", dto);
				forward = "success";
			}
				 
		}
		return mapping.findForward(forward);
	}

}