第二阶段冲刺4

用 suyu living streaming 这个网站 + obs 获取手机摄像头； 然后在网页上获取obs的虚拟摄像头进行跌倒检测的功能

 服务端处理前端传过来数据的类

package com.example.teamapplication.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.example.teamapplication.common.Result;
import com.example.teamapplication.entity.News;
import com.example.teamapplication.service.NewsService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.OffsetDateTime;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

/**
 * <p>
 *  前端控制器
 * </p>
 *
 * @author xu
 * @since 2024-06-09
 */
@RestController
@RequestMapping("/news")
public class NewsController {

    @Autowired
    NewsService newsService;


    @PostMapping("savenews")
    public Result saveNews(@RequestBody Map<String, Object> request){
        Map<String, Object> param = (Map<String, Object>) request.get("param");

        String title = (String) param.get("title");
        String content = (String) param.get("content");
        String publishTime = (String) param.get("publishTime");
        String articleType = (String) param.get("articleType");
        String base64Image = (String) param.get("base64Image");

        // 现在你可以在这里处理所有这些字段，包括图片的 Base64 编码
        byte[] decodedBytes = javax.xml.bind.DatatypeConverter.parseBase64Binary(base64Image.split(",")[1]);
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSSX");
        LocalDateTime dateTime = LocalDateTime.parse(publishTime, formatter);

        News news = new News();
        news.setTitle(title);
        news.setContent(content);
        news.setTime(dateTime);
        news.setType(articleType);
        news.setImg(decodedBytes);

        newsService.save(news);

        return Result.suc();
    }


    @PostMapping("getnews")
    public Result getNews(){
        List<News> News = newsService.lambdaQuery().list();
        ArrayList<News> news = new ArrayList<>();
        for(int i =0;i<News.size();i++){
            System.out.println(News.get(i).getTitle());
            news.add(News.get(i));
        }
        System.out.println("111");
        return Result.suc(news);
    }

    @PostMapping("search")
    public Result searchNews(@RequestParam String keyword){
        LambdaQueryWrapper<News> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        lambdaQueryWrapper.like(News::getTitle, keyword)
                .or().like(News::getType, keyword)
                .or().like(News::getContent, keyword);

        List<News> news = newsService.list(lambdaQueryWrapper); // 假设这里调用了服务层方法进行查询

        return Result.suc(news);
    }



}