[英]Mongoose find by ObjectID reference
我有两个架构:
let adSchema = mongoose.Schema (
{
author: {type: ObjectId, ref: 'User'},
title: {type: String, required: true },
town: {type: ObjectId, ref: 'Town', required: true},
}
);
和城镇架构:
let townSchema = mongoose.Schema (
{
name: {type: String, required:true, unique:true},
ads: [{type: ObjectId, ref: 'Ad'}]
}
);
我需要通过town.name
查找找到所有广告的查询。我该怎么做?
您可以按名称请求城镇,并使用mongoose populate方法从城镇对象填充广告数组。
您可以在mongoose文档中找到示例:
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.