Question

用JAVA做了一个登录系统，在页面中输入数据库中已有的用户名和密码，总是跳转到错误页面，无法登陆成功

package org.servlet;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import org.model.*;
import org.dao.*;
public class LoginServlet extends HttpServlet{
public void doGet(HttpServletRequest request, HttpServletResponse response) throws Sevrlet代码如下：
package org.servlet;
import java.io.*;
import javax.servlet.*;
代码如下：
import javax.servlet.http.*;
import org.model.*;
import org.dao.*;
public class LoginServlet extends HttpServlet{
public void doGet(HttpServletRequest request, HttpServletResponse response) throws public class LoginServlet extends HttpServlet{
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException,
IOException{
request.setCharacterEncoding("gb2312");
LoginDao loginDao=new LoginDao();
Login l = loginDao.checkLogin(request.getParameter("name"),
request.getParameter("password"));
if(l!=null){
HttpSession session=request.getSession();
session.setAttribute("login", l);
response.sendRedirect("main.jsp");
}else{
response.sendRedirect("error.jsp");
}
}

Answer 1

数据库打开了没有？用的是什么数据库？好像sqlserver需要设置允许远程登录

追问

用的是SQLSERVER2005，怎么知道数据库打开没呢？