Java私活300元，完成JavaWeb志愿者管理系统（四）

Java私活300元，完成JavaWeb志愿者管理系统（四）

需求

接到一个单子，要求完成一个课设网站，前后端都要有，收费300元。

需求分析

用到的技术栈：

前端：springboot+vue+layui+maven+mysql

后台：spring+jsp+tomcat8+mysql

1.前端选择已经开发好的模版直接改几处细节就行

2.创建一个并点击勾选志愿者管理系统后台的各种属性，代码生成器勾选增删改查等条件，然后自动生成即可。

部分代码

controller层：

/**
 * 新闻资讯
 * 后端接口
 * @author 
 * @email 
 * @date 2022-03-15 20:26:16
 */
@RestController
@RequestMapping("/news")
public class NewsController {
    @Autowired
    private NewsService newsService;



    /**
     * 后端列表
     */
    @RequestMapping("/page")
    public R page(@RequestParam Map params,NewsEntity news, 
      HttpServletRequest request){

        EntityWrapper ew = new EntityWrapper();
      PageUtils page = newsService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, news), params), params));
        return R.ok().put("data", page);
    }
    
    /**
     * 前端列表
     */
   @IgnoreAuth
    @RequestMapping("/list")
    public R list(@RequestParam Map params,NewsEntity news, HttpServletRequest request){
        EntityWrapper ew = new EntityWrapper();
      PageUtils page = newsService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, news), params), params));
        return R.ok().put("data", page);
    }

   /**
     * 列表
     */
    @RequestMapping("/lists")
    public R list( NewsEntity news){
           EntityWrapper ew = new EntityWrapper();
       ew.allEq(MPUtil.allEQMapPre( news, "news")); 
        return R.ok().put("data", newsService.selectListView(ew));
    }

    /**
     * 查询
     */
    @RequestMapping("/query")
    public R query(NewsEntity news){
        EntityWrapper< NewsEntity> ew = new EntityWrapper< NewsEntity>();
      ew.allEq(MPUtil.allEQMapPre( news, "news")); 
      NewsView newsView =  newsService.selectView(ew);
      return R.ok("查询新闻资讯成功").put("data", newsView);
    }
   
    /**
     * 后端详情
     */
    @RequestMapping("/info/{id}")
    public R info(@PathVariable("id") Long id){
        NewsEntity news = newsService.selectById(id);
        return R.ok().put("data", news);
    }

    /**
     * 前端详情
     */
   @IgnoreAuth
    @RequestMapping("/detail/{id}")
    public R detail(@PathVariable("id") Long id){
        NewsEntity news = newsService.selectById(id);
        return R.ok().put("data", news);
    }
    



    /**
     * 后端保存
     */
    @RequestMapping("/save")
    public R save(@RequestBody NewsEntity news, HttpServletRequest request){
       news.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());
       //ValidatorUtils.validateEntity(news);

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

        newsService.insert(news);
        return R.ok();
    }

    /**
     * 修改
     */
    @RequestMapping("/update")
    public R update(@RequestBody NewsEntity news, HttpServletRequest request){
        //ValidatorUtils.validateEntity(news);
        newsService.updateById(news);//全部更新
        return R.ok();
    }
    

    /**
     * 删除
     */
    @RequestMapping("/delete")
    public R delete(@RequestBody Long[] ids){
        newsService.deleteBatchIds(Arrays.asList(ids));
        return R.ok();
    }
    
    /**
     * 提醒接口
     */
   @RequestMapping("/remind/{columnName}/{type}")
   public R remindCount(@PathVariable("columnName") String columnName, HttpServletRequest request, 
                   @PathVariable("type") String type,@RequestParam Map map) {
      map.put("column", columnName);
      map.put("type", type);

      if(type.equals("2")) {
         SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
         Calendar c = Calendar.getInstance();
         Date remindStartDate = null;
         Date remindEndDate = null;
         if(map.get("remindstart")!=null) {
            Integer remindStart = Integer.parseInt(map.get("remindstart").toString());
            c.setTime(new Date()); 
            c.add(Calendar.DAY_OF_MONTH,remindStart);
            remindStartDate = c.getTime();
            map.put("remindstart", sdf.format(remindStartDate));
         }
         if(map.get("remindend")!=null) {
            Integer remindEnd = Integer.parseInt(map.get("remindend").toString());
            c.setTime(new Date());
            c.add(Calendar.DAY_OF_MONTH,remindEnd);
            remindEndDate = c.getTime();
            map.put("remindend", sdf.format(remindEndDate));
         }
      }
      
      Wrapper wrapper = new EntityWrapper();
      if(map.get("remindstart")!=null) {
         wrapper.ge(columnName, map.get("remindstart"));
      }
      if(map.get("remindend")!=null) {
         wrapper.le(columnName, map.get("remindend"));
      }


      int count = newsService.selectCount(wrapper);
      return R.ok().put("count", count);
   }
   


}

   
      
      
      
      
      
      
      
      
      
      
   
   
      
      
      

         

             

               
               {{systemName}}
               
            
             

               
               

                  
全国服务热线：
                  
9999-888-999
               
               
             
         
         

            
首页
            
{{item.name}}
            

               我的