Java私活300元，完成JavaWeb志愿者管理系统（四）

/**
 * 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<String, Object> params,NewsEntity news, 
      HttpServletRequest request){

        EntityWrapper<NewsEntity> ew = new EntityWrapper<NewsEntity>();
      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<String, Object> params,NewsEntity news, HttpServletRequest request){
        EntityWrapper<NewsEntity> ew = new EntityWrapper<NewsEntity>();
      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<NewsEntity> ew = new EntityWrapper<NewsEntity>();
       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<String, Object> 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<NewsEntity> wrapper = new EntityWrapper<NewsEntity>();
      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);
   }
   


}

<!-- 首页 -->
<!DOCTYPE html>
<html>
   <head>
      <meta charset="utf-8">
      <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
      <title>首页</title>
      <link rel="stylesheet" href="./layui/css/layui.css">
      <!-- 样式 -->
      <link rel="stylesheet" href="./css/style.css" />
      <!-- 主题（主要颜色设置） -->
      <link rel="stylesheet" href="./css/theme.css" />
      <!-- 通用的css -->
      <link rel="stylesheet" href="./css/common.css" />
   </head>
   <body scrolling="no" style="overflow-y: hidden;overflow-x: hidden;">
      
      <!-- 顶部导航栏 -->
      <header id="header">
         <div class="top">
             <div class="logo">
               <a href="#">
               {{systemName}}
               </a>
            </div>
             <div class="tel-container">
               <img style="margin-right: 30px;" src="img/index_icon.png" >
               <div class="tel">
                  <div>全国服务热线：</div>
                  <div>9999-888-999</div>
               </div>
               
             </div>
         </div>
         <ul class="layui-nav nav">
            <li class="layui-nav-item"><a href="javascript:navPage('./pages/home/home.html')">首页</a></li>
            <li v-for="(item,index) in indexNav" v-bind:key="index" class="layui-nav-item"><a :href="'javascript:navPage(\''+item.url+'\')'">{{item.name}}</a></li>
            <li class="layui-nav-item">
               <a href="javascript:centerPage();">我的</a