mongoDB 多重數(shù)組查詢(AngularJS綁定顯示 nodejs)

var Lesson = Schema({ 
  lessonName: String, 
  intr: String, 
  creTime: Date, 
  sort: String, //分類 
  imgUrl: String, //封面地址 
  price: Number, 
  teacher: String,//教師 
  subTitle:[{ 
    lNo: Number, 
    subLName: String, 
    src: String, 
    filtered: {type: Boolean, default: false} 
    }] 
}); 

ul class="menu fl"> 
  li ng-repeat="title in lessonInfo.subTitle" ng-hide="{{!title.filtered}}">a ng-href="showVideo?lessonName={{lessonInfo.lessonName}}lessonNo={{title.lNo}}lesId={{lesId}}subLName={{title.subLName}}" rel="external nofollow" >課時{{title.lNo}}:{{title.subLName}}/a> /li> 
/ul>