小程序开发说明

开发语言：Java
框架：ssm
JDK版本：JDK1.8
服务器：tomcat7
数据库：mysql 5.7（一定要5.7版本）
数据库工具：Navicat11
开发软件：eclipse/myeclipse/idea
Maven包：Maven3.3.9
浏览器：谷歌浏览器

小程序框架：uniapp
小程序开发软件：HBuilder X
小程序运行软件：微信开发者

后台逻辑代码：
/**
 * 留样食品
 * 后端接口
 * @author 
 * @email 
 * @date 2022-04-26 22:52:55
 */
@RestController
@RequestMapping("/liuyangshipin")
public class LiuyangshipinController {
    @Autowired
    private LiuyangshipinService liuyangshipinService;

    

    /**
     * 后端列表
     */
    @RequestMapping("/page")
    public R page(@RequestParam Map<String, Object> params,LiuyangshipinEntity liuyangshipin,
        HttpServletRequest request){
        String tableName = request.getSession().getAttribute("tableName").toString();
        if(tableName.equals("chuangkouyuangong")) {
            liuyangshipin.setYuangonggonghao((String)request.getSession().getAttribute("username"));
        }
        if(tableName.equals("chuangkoufuzeren")) {
            liuyangshipin.setChuangkoubianhao((String)request.getSession().getAttribute("username"));
        }
        EntityWrapper<LiuyangshipinEntity> ew = new EntityWrapper<LiuyangshipinEntity>();
        PageUtils page = liuyangshipinService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, liuyangshipin), params), params));

        return R.ok().put("data", page);
    }
    
    /**
     * 前端列表
     */
    @RequestMapping("/list")
    public R list(@RequestParam Map<String, Object> params,LiuyangshipinEntity liuyangshipin, 
        HttpServletRequest request){
        EntityWrapper<LiuyangshipinEntity> ew = new EntityWrapper<LiuyangshipinEntity>();
        PageUtils page = liuyangshipinService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, liuyangshipin), params), params));
        return R.ok().put("data", page);
    }

    /**
     * 列表
     */
    @RequestMapping("/lists")
    public R list( LiuyangshipinEntity liuyangshipin){
           EntityWrapper<LiuyangshipinEntity> ew = new EntityWrapper<LiuyangshipinEntity>();
          ew.allEq(MPUtil.allEQMapPre( liuyangshipin, "liuyangshipin")); 
        return R.ok().put("data", liuyangshipinService.selectListView(ew));
    }

     /**
     * 查询
     */
    @RequestMapping("/query")
    public R query(LiuyangshipinEntity liuyangshipin){
        EntityWrapper< LiuyangshipinEntity> ew = new EntityWrapper< LiuyangshipinEntity>();
         ew.allEq(MPUtil.allEQMapPre( liuyangshipin, "liuyangshipin")); 
        LiuyangshipinView liuyangshipinView =  liuyangshipinService.selectView(ew);
        return R.ok("查询留样食品成功").put("data", liuyangshipinView);
    }
    
    /**
     * 后端详情
     */
    @RequestMapping("/info/{id}")
    public R info(@PathVariable("id") Long id){
        LiuyangshipinEntity liuyangshipin = liuyangshipinService.selectById(id);
        return R.ok().put("data", liuyangshipin);
    }

    /**
     * 前端详情
     */
    @RequestMapping("/detail/{id}")
    public R detail(@PathVariable("id") Long id){
        LiuyangshipinEntity liuyangshipin = liuyangshipinService.selectById(id);
        return R.ok().put("data", liuyangshipin);
    }
    

    /**
     * 后端保存
     */
    @RequestMapping("/save")
    public R save(@RequestBody LiuyangshipinEntity liuyangshipin, HttpServletRequest request){
        liuyangshipin.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());
        //ValidatorUtils.validateEntity(liuyangshipin);
        liuyangshipinService.insert(liuyangshipin);
        return R.ok();
    }
    
    /**
     * 前端保存
     */
    @RequestMapping("/add")
    public R add(@RequestBody LiuyangshipinEntity liuyangshipin, HttpServletRequest request){
        liuyangshipin.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());
        //ValidatorUtils.validateEntity(liuyangshipin);
        liuyangshipinService.insert(liuyangshipin);
        return R.ok();
    }

    /**
     * 修改
     */
    @RequestMapping("/update")
    @Transactional
    public R update(@RequestBody LiuyangshipinEntity liuyangshipin, HttpServletRequest request){
        //ValidatorUtils.validateEntity(liuyangshipin);
        liuyangshipinService.updateById(liuyangshipin);//全部更新
        return R.ok();
    }
    

    /**
     * 删除
     */
    @RequestMapping("/delete")
    public R delete(@RequestBody Long[] ids){
        liuyangshipinService.deleteBatchIds(Arrays.asList(ids));
        return R.ok();
    }