Shop/src/util/HttpSessionUtil.java

（完整代码） 1KB 

package util;

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

public class HttpSessionUtil
{

    public HttpSessionUtil()
    {
    }

    public static String getUsername(HttpServletRequest request)
    {
        HttpSession session = request.getSession(true);
        String userName = (String)session.getAttribute("username");
        if(userName != null && "".equals(userName))
        {
            userName = null;
        }
        return userName;
    }

    public static String getUserModel(HttpServletRequest request)
    {
        HttpSession session = request.getSession(true);
        String userName = (String)session.getAttribute("model");
        if(userName != null && "".equals(userName))
        {
            userName = null;
        }
        return userName;
    }

    public static String getAdminUsername(HttpServletRequest request)
    {
        HttpSession session = request.getSession(true);
        String userName = (String)session.getAttribute("admin");
        if(userName != null && "".equals(userName))
        {
            userName = null;
        }
        return userName;
    }
}

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