javascript - 如何在 Mongoose 模型中定义方法？

Question

我的 locationsModel 文件:

mongoose = require 'mongoose'
threeTaps = require '../modules/threeTaps'

Schema = mongoose.Schema
ObjectId = Schema.ObjectId

LocationSchema =
  latitude: String
  longitude: String
  locationText: String

Location = new Schema LocationSchema

Location.methods.testFunc = (callback) ->
  console.log 'in test'


mongoose.model('Location', Location);

要调用它，我正在使用:

myLocation.testFunc {locationText: locationText}, (err, results) ->

但我得到一个错误:

TypeError: Object function model() {
    Model.apply(this, arguments);
  } has no method 'testFunc'

Answer 1

您没有指定是要定义类方法还是实例方法。由于其他人已经涵盖了实例方法，here's如何定义类/静态方法:

animalSchema.statics.findByName = function (name, cb) {
    return this.find({ 
        name: new RegExp(name, 'i') 
    }, cb);
}