echarts数据可视化入门

package com.example.controller; import com.baomidou.mybatisplus.core.toolkit.Wrappers; import com.example.mapper.EchartsMapper; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import javax.annotation.Resource; @RestController @RequestMapping("/echarts") public class EchartsController { @Resource private EchartsMapper echartsMapper; @GetMapping public Object echarts() { // 查询数据库 echarts表的所有数据 return echartsMapper.selectList(Wrappers.lambdaQuery()); } }