修改

demo/src/main/java/com/example/demo/register/controller/pwdController2.java

@@ -14,16 +14,13 @@ import java.io.IOException;
 
 @Controller
 public class pwdController2 extends HttpServlet {
-    @Autowired
-    userMapper userMapper;
-
     @RequestMapping("/pwd2")//再一次确认密码界面
     public void doPost(HttpServletResponse response, HttpServletRequest request)throws IOException {
         HttpSession session=request.getSession();
         User user=new User();
         user=(User)session.getAttribute("user");
         String pwd=request.getParameter("userPwd");
-        if(userMapper.selectPwd(user.getUserNum(),pwd)==1){
+        if(user.getUserPwd().equals(pwd)){
             response.sendRedirect("loanInformation.html");//贷款的界面
         }else{
             response.sendRedirect("Untitled-1.html");//登陆失败