(免费分享)基于springboot,vue在线考试系统

该项目是一个前后端分离，后端使用 SpringBoot，前端使用 VUE 和 Element-UI 组件库配合完成开发。
开发工具：IDEA,数据库：mysql5.7
如果也想学习本系统，下面领取。回复：007

```java
package com.exam.controller;

import com.exam.entity.*;
import com.exam.serviceimpl.LoginServiceImpl;
import com.exam.util.ApiResultHandler;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;


@RestController
public class LoginController {

    @Autowired
    private LoginServiceImpl loginService;

    @PostMapping("/login")
    public ApiResult login(@RequestBody Login login) {

        Integer username = login.getUsername();
        String password = login.getPassword();
        //不建议这样写，会造成过多的查询
        //查询admin表
        Admin adminRes = loginService.adminLogin(username, password);
        if (adminRes != null) {
            return ApiResultHandler.buildApiResult(200, "请求成功", adminRes);
        }

        //查询teacher表
        Teacher teacherRes = loginService.teacherLogin(username,password);
        if (teacherRes != null) {
            return ApiResultHandler.buildApiResult(200, "请求成功", teacherRes);
        }

        //查询student表
        Student studentRes = loginService.studentLogin(username,password);
        if (studentRes != null) {
            return ApiResultHandler.buildApiResult(200, "请求成功", studentRes);
        }

        return ApiResultHandler.buildApiResult(400, "请求失败", null);
    }
}