实现前端对学号和用户名的异步判断，核心技术为axios

src/main/java/com/fjy/spring/controller/RegisterController.java

@@ -1,15 +1,20 @@
 package com.fjy.spring.controller;
 
+import com.fjy.spring.domain.TbStudentlist;
 import com.fjy.spring.domain.TbUser;
 import com.fjy.spring.enums.ResultEnum;
 import com.fjy.spring.exception.UserException;
 import com.fjy.spring.properties.ServerProperties;
+import com.fjy.spring.service.StudentService;
 import com.fjy.spring.service.UserService;
 import com.fjy.spring.untils.CodingUtil;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.validation.BindingResult;
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.ResponseBody;
 
 import javax.annotation.Resource;
 import javax.servlet.http.HttpServletRequest;
@@ -22,6 +27,9 @@ public class RegisterController {
     @Autowired
     private UserService userService;
 
+    @Autowired
+    private StudentService studentService;
+
     @Autowired
     private ServerProperties serverProperties;
 
@@ -45,4 +53,23 @@ public class RegisterController {
         throw new UserException(ResultEnum.UNKOWN_ERROR);
     }
 
+    @GetMapping("/CheckStudentNo")
+    @ResponseBody
+    public boolean doCheckStudentNo(@RequestParam(value = "studentno") String studentno){
+        TbStudentlist studentlist = studentService.findStudentByNo(studentno);
+        if (studentlist!=null)
+            return true;
+        return false;
+    }
+
+    @GetMapping("/CheckStudent")
+    @ResponseBody
+    public boolean doCheckStudent(@RequestParam(value = "studentno") String studentno,
+                                  @RequestParam(value = "realname") String realname){
+        TbStudentlist studentlist = studentService.findByColstudentnoAndColrealname(studentno,realname);
+        if (studentlist!=null)
+            return true;
+        return false;
+    }
+
 }

src/main/java/com/fjy/spring/repository/TbStudentListRepository.java

@@ -0,0 +1,11 @@
+package com.fjy.spring.repository;
+
+import com.fjy.spring.domain.TbStudentlist;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface TbStudentListRepository extends JpaRepository<TbStudentlist,Integer> {
+
+    public TbStudentlist findByColstudentno(String colstudentno);
+
+    public TbStudentlist findByColstudentnoAndColrealname(String colstudentno,String colrealname);
+}

src/main/java/com/fjy/spring/service/StudentService.java

@@ -1,7 +1,9 @@
 package com.fjy.spring.service;
 
 import com.fjy.spring.domain.TbStudent;
+import com.fjy.spring.domain.TbStudentlist;
 import com.fjy.spring.domain.TbUser;
+import com.fjy.spring.repository.TbStudentListRepository;
 import com.fjy.spring.repository.TbStudentRepository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -13,4 +15,15 @@ public class StudentService {
     @Autowired
     private TbStudentRepository tbStudentRepository;
 
+    @Autowired
+    private TbStudentListRepository tbStudentListRepository;
+
+    public TbStudentlist findStudentByNo(String studentno){
+        return tbStudentListRepository.findByColstudentno(studentno);
+    }
+
+    public TbStudentlist findByColstudentnoAndColrealname(String studentno,String realname){
+        return tbStudentListRepository.findByColstudentnoAndColrealname(studentno,realname);
+    }
+
 }