mongoDB 多重数组查询(AngularJS绑定显示 nodejs)

var Lesson = Schema({   lessonName: String,   intr: String,   creTime: Date,   sort: String, //分类   imgUrl: String, //封面地址   price: Number,   teacher: String,//教师   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" >课时{{title.lNo}}:{{title.subLName}}</a> </li> </ul>