我一直有空指针错误?我找不到原因了..应该是SERVLET那边错了.
package servlet;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.po.Users;
/**
* Servlet implementation class loginServlet
*/
public class loginServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public loginServlet() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
doPost(request,response);
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
Users u=new Users();
String username=request.getParameter("usernmae");
String password=request.getParameter("password");
u.setUsername(username);
u.setPassword(password);
request.getSession().setAttribute("loginUser", u);
if(u.getUsername().equals("admin")&&u.getPassword().equals("admin")){
response.sendRedirect(request.getContextPath() + "/login_success.jsp");
}else {
response.sendRedirect(request.getContextPath() + "/login_falure.jsp");
}
}
}