修改

demo/src/main/java/com/example/demo/Dao/userMapper.java

@@ -10,8 +10,8 @@ public interface userMapper {
     @Select("select * from user where userNum = #{userNum}")
     public User selectUserByuserNum(long userNum);
 
-    @Select("select userNum from user where userName = #{userName}")
-    public long selectUserByuserName(String  userName);
+    @Select("select * from user where userName = #{userName}")
+    public User selectUserByuserName(String  userName);
 
     @Select("select * from user where telephoneNum = #{telephoneNum}")
     public User selectUserBytelephoneNum(String telephoneNum);

demo/src/main/java/com/example/demo/loginService/API/impl/UserService.java

@@ -5,7 +5,7 @@ import org.springframework.stereotype.Service;
 
 @Service
 public abstract class UserService {
-    public long selectUserByuserName(String userName){return 0;}
+    public User selectUserByuserName(String userName){return null;}
     public User selectUserBytelephoneNum(String telephoneNum){return null;}
     public void addUser(User users){}
     public long count(){return 0;}

demo/src/main/java/com/example/demo/loginService/API/impl/UserServiceImpl.java

@@ -13,7 +13,7 @@ public class UserServiceImpl extends UserService{
     private userMapper UserMapper;
 
     @Transactional(propagation=Propagation.REQUIRED,readOnly = true)
-    public long selectUserByuserName(String userName){
+    public User selectUserByuserName(String userName){
         return this.UserMapper.selectUserByuserName(userName);
     }
     @Transactional(propagation=Propagation.REQUIRED,readOnly = true)

demo/src/main/java/com/example/demo/loginService/UserController.java

@@ -1,7 +1,5 @@
 package com.example.demo.loginService;
 
-import com.example.demo.Dao.managerMapper;
-import com.example.demo.Dao.userMapper;
 import com.example.demo.bean.User;
 import com.example.demo.loginService.API.impl.UserServiceImpl;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -22,10 +20,6 @@ import java.util.Date;
 public class UserController extends HttpServlet {
     @Autowired
     private UserServiceImpl userServiceImpl;
-    @Autowired
-    private userMapper userMapper;
-    @Autowired
-    private managerMapper managerMapper;
 
     @PostMapping("/login")
     //@ResponseBody
@@ -33,12 +27,12 @@ public class UserController extends HttpServlet {
         //System.out.println("_______________");
         String userName = request.getParameter("userName");
         String userPwd = request.getParameter("userPwd");
-        long usernum = this.userServiceImpl.selectUserByuserName(userName);
+        User user = this.userServiceImpl.selectUserByuserName(userName);
         int result = 0;
-        if(usernum==1){
-            if(userMapper.selectPwd(usernum,userPwd)==1){
+        if(user!=null){
+            if(user.getUserPwd().equals(userPwd)){
                 HttpSession session=request.getSession();
-                session.setAttribute("user",usernum);
+                session.setAttribute("user",user);
                 result = 1;
             } else{
                 result = 2;
@@ -57,11 +51,10 @@ public class UserController extends HttpServlet {
         String userName = request.getParameter("userName");
         String userPwd = request.getParameter("userPwd");
         String userPwd1=request.getParameter("userPwd1");
-        long usernum = this.userServiceImpl.selectUserByuserName(userName);
-        User user=new User();
+        User user = this.userServiceImpl.selectUserByuserName(userName);
         long count = 0;
         int result = 0;
-        if(usernum!=1){
+        if(user!=null){
             result = 2;
         }else if(userPwd.equals(userPwd1)){
             count = this.userServiceImpl.count()+1;
@@ -104,22 +97,4 @@ public class UserController extends HttpServlet {
     return "/login2";
     }
     }**/
-   @RequestMapping("/managerLogin")//管理员登陆的界面
-    public String doPost3(HttpServletRequest request,HttpServletResponse response){
-       String managerName = request.getParameter("managerName");
-       String managerPwd = request.getParameter("managerPwd");
-       long managerNum = managerMapper.selectManagerByManagerName(managerName);
-       int result = 0;
-       if(managerNum!=1){
-           if(managerMapper.selectPwd(managerNum,managerPwd)==1){
-               HttpSession session=request.getSession();
-               session.setAttribute("managerNum",managerNum);
-               return "";
-           } else{
-               return "密码不存在";
-           }
-       }else{
-           return "用户不存在";
-       }
-   }
 }

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

@@ -21,15 +21,17 @@ public class bankCardController extends HttpServlet {
     @RequestMapping("/binding")//卡号绑定界面
     public void doPost(HttpServletResponse response, HttpServletRequest request)throws IOException {
         HttpSession session=request.getSession();
-        long userNum=(long)session.getAttribute("user");
+        User user=new User();
+        user=(User)session.getAttribute("user");
         try{
+            long num=user.getUserNum();
             short result=0;
             UserBankIdentify userBankIdentify=new UserBankIdentify();
             userBankIdentify.setBankAccount(request.getParameter("bankAccount"));
             userBankIdentify.setTrueName(request.getParameter("realname"));
             userBankIdentify.setIdNum(request.getParameter("idNum"));
             userBankIdentify.setTelephoneNum(request.getParameter("phoneNum"));
-            userBankIdentify.setUserNum(userNum);
+            userBankIdentify.setUserNum(num);
             userBankIdentify.setBankAccountIdentify(result);
             identify.identify(userBankIdentify);
         }catch (Exception e){

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

@@ -19,9 +19,10 @@ public class pwdController extends HttpServlet {
     @RequestMapping("/pwd")//再一次确认密码界面
     public String doPost(HttpServletResponse response, HttpServletRequest request){
         HttpSession session=request.getSession();
-        long userNum=(long)session.getAttribute("user");
+        User user=new User();
+        user=(User)session.getAttribute("user");
         String pwd=request.getParameter("userPwd");
-        if(userMapper.selectPwd(userNum,pwd)==1){
+        if(userMapper.selectPwd(user.getUserNum(),pwd)==1){
             return "";//银行卡验证的界面
         }else{
             return "";//登陆失败