dologicimpl.java

Spring simplespring basic,java

package com.fyyk.logic;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.dao.DataAccessException;
import org.springframework.jdbc.core.support.JdbcDaoSupport;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * Created by IntelliJ IDEA.
 * Date: 2007-3-23 11:23:05
 */
public class DoLogicImpl extends JdbcDaoSupport implements DoLogic
{
    private final Log logger = LogFactory.getLog(getClass());

    public ModelAndView login(HttpServletRequest request, HttpServletResponse response, ServletContext servletContext)
    {
        Map<String, Object> model = new HashMap<String, Object>();
        HttpSession session = request.getSession();
        session.setAttribute("userCode", "testUser");
        model.put("loginTime", new Date());
        return new ModelAndView("loginSuccess.jsp", model);
    }

    public ModelAndView enter(HttpServletRequest request, HttpServletResponse response, ServletContext servletContext) throws DataAccessException
    {
        Map<String, Object> model = new HashMap<String, Object>();

        String sqlStr = "select count(*) from tab";
        int i = getJdbcTemplate().queryForInt(sqlStr);

        model.put("tableCount", i);
        return new ModelAndView("enter.jsp", model);
    }

    public ModelAndView logout(HttpServletRequest request, HttpServletResponse response, ServletContext servletContext)
    {
        HttpSession session = request.getSession();
        session.setAttribute("userCode", null);
        return new ModelAndView("mainpage.jsp", null);
    }

}