Revert: 控制层修改

src/main/java/com/we/controller/MysqlTestController.java

@@ -2,15 +2,12 @@ package com.we.controller;
 
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.JSONArray;
-import com.alibaba.fastjson.JSONObject;
-import com.mysql.cj.xdevapi.JsonArray;
 import com.we.pojo.Student;
 import com.we.service.IStudentService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.Mapping;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.ResponseBody;
 import java.util.List;