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我一直在查看线程和 mongoose 文档，但仍然缺少有关包含子文档的内容。我有 REST api 与 express 一起运行，当您查找“人”时，我想从“位置”ID 中提供“位置”详细信息。下面是我的两个架构。

您会看到我正在尝试使用位置的标题填充 people.location .. 但最终我想包含架构中的所有详细信息。people.location 包含存在的位置的 id。

peopleSchema.js

module.exports = function(db) {
    return db.model('People', PeopleSchema());
}

function PeopleSchema () {
var Schema = require('mongoose').Schema;

LocationsSchema = new Schema({
    title: String
});

console.log(LocationsSchema);

return new Schema({
    first_name: String,
    last_name: String,
    address: {
        unit: Number,
        address: String,
        zipcode: String,
        city: String,
        region: String,
        country: String
    },
    image: String, 
    job_title: String,
    created_at: { type: Date, default: Date.now },
    active_until: { type: Date, default: null },
    hourly_wage: Number,
    location: [{type: Schema.ObjectId , ref: 'Locations'}], // Inheirit store info
    employee_number: Number
}, { collection: 'people' });
}

locationSchema.js

module.exports = function(db) {
return db.model('Locations', LocationsSchema());    
}

function LocationsSchema () {
var Schema = require('mongoose').Schema;

return new Schema({
    title: String,
    address: {
        unit: Number,
        address: String,
        zipcode: String,
        city: String,
        region: String,
        country: String
    },
    current_manager: String, // Inherit person details
    alternate_contact: String, // Inherit person details
    hours: {
        sunday: String,
        monday: String,
        tuesday: String,
        wednesday: String,
        thursday: String,
        friday: String,
        saturday: String,
        holidays: String
    },
    employees: "", // mixin employees that work at this location
    created_at: { type: Date, default: Date.now },
    active_until: { type: Date, default: null }
}, { collection: 'locations' });
}

我带着这个从 /people 回来

app.get('/people', function (req, res) {
    return PeopleModel.find().populate('location').exec(function (err, obj) {
      if (!err) {
        return res.send(obj);
      } else {
        return res.send(err);
      }
    });   
});

并且位置字段即将变为空，即使它在那里有 id。如果有人能给我任何指示或相关链接，那就太好了！如果您需要我发布其他内容，请告诉我。

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