package com.ruoyi.device.controller; import com.alibaba.fastjson.JSONArray; import com.ruoyi.common.utils.RedisUtil; import com.ruoyi.device.constant.DCResistanceMqttConstants; import com.ruoyi.device.dto.WeightRequestDto; import org.springframework.http.ResponseEntity; import org.springframework.web.bind.annotation.PostMapping; import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import java.util.List; @RestController @RequestMapping("/weight") public class WeightController { @PostMapping("/handleWeights") public ResponseEntity handleWeights(@RequestBody WeightRequestDto weightRequest) { try { List weightList = weightRequest.getWeights(); // 在这里添加数据处理逻辑,例如打印、存储到数据库等 System.out.println("接收到的数据: " + weightList); processThreeTimesValueDataStream(weightList, WeightRequestDto.DENSITY); // 处理成功返回 200 状态码和消息 return ResponseEntity.ok("数据处理成功"); } catch (Exception e) { // 处理失败返回 500 状态码和错误消息 return ResponseEntity.internalServerError().body("数据处理失败: " + e.getMessage()); } } private void processThreeTimesValueDataStream(List weightList, String dataStream) { // 处理 weightList 为 null 的情况 if (weightList == null) { // 若 weightList 为 null,可选择删除 Redis 中的对应键或存入空数组,这里选择存入空数组 RedisUtil.set(dataStream, "[]"); return; } // 将 weightList 转换为 JSON 字符串并存入 Redis String jsonStr = JSONArray.toJSONString(weightList); RedisUtil.set(dataStream, jsonStr); } }