我有两个模式,第一个是countrySchema,它具有国家/地区ID和名称: 下面是模式代码:
var countrySchema = new Schema({
country_id:String,
country_name:String
});
var countryArray = mongoose.model('countryArray',countrySchema);
另一个模式是stateSchema,它具有状态ID和状态名称: 下面是模式代码:
var Schema = mongoose.Schema;
var stateSchema = new Schema({
state_id:String,
state_name:String,
});
var states = mongoose.model('states',stateSchema);
现在,在stateSchema中,我想要有state_id,country_id,它实际上来自countrySchema和state_name。我该怎么办?
答案 0 :(得分:1)
您可以如下添加country_id,并在状态模块中使用国家/地区的ObjectId引用国家/地区模块。然后,您必须使用由猫鼬为特定国家/地区创建的objectId作为stateSchema的country_id。
countrySchema
var countrySchema = new Schema({
_id:Schema.Types.ObjectId,
country_id:String,
country_name:String
});
var countryArray = mongoose.model('countryArray',countrySchema);
stateSchema
var stateSchema = new Schema({
_id:Schema.Types.ObjectId,
state_id:String,
country_id: {Schema.Types.ObjectId, ref:'countryArray'},
state_name:String,
});
答案 1 :(得分:0)
尝试这个。.
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