打算分开两种情况来验证两个数据库中不同的账号密码,出错了但并不清楚是哪里的问题
package web;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import dao.AdminDao;
import dao.UserDao;
import model.Admin;
import model.User;
@WebServlet("/LoginServlet")
public class LoginServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
request.setCharacterEncoding("utf-8");
String account=request.getParameter("account");
String password=request.getParameter("password");
String type = request.getParameter("type");
Admin admin=new Admin();
if (type=="teacher"){
admin.setAaccount(account);
admin.setApassword(password);
// admin=login.login(admin);
AdminDao adminDao=new AdminDao();
try{
admin=adminDao.login(admin);
if(admin !=null){
System.out.println(admin.getAaccount());
response.sendRedirect("admin/welcome.jsp");
}else{
request.setAttribute("error", "输入有误");
request.getRequestDispatcher("login.jsp").forward(request, response);
}
}catch(Exception e){
e.printStackTrace();
}
}else{
User user=new User();
user.setUaccount(account);
user.setUpassword(password);
// admin=login.login(admin);
UserDao userDao=new UserDao();
try{
user=userDao.login(user);
if(user !=null){
System.out.println(user.getUaccount());
response.sendRedirect("admin/welcome.jsp");
}else{
request.setAttribute("error", "输入有误");
request.getRequestDispatcher("login.jsp").forward(request, response);
}
}catch(Exception e){
e.printStackTrace();
}
}
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGet(request, response);
}
}