当我在我的应用程序中尝试此代码时:
app/models/Post.coffee
mongoose = require "mongoose"
CommentModel = require "./Comment"
Comment = CommentModel.Schema
Schema = mongoose.Schema
Post = new Schema {
title: String,
slug: {type: String, index: { unique: true, dropDubs: true }},
content: String,
author: String,
tags: [String],
comments: [Comment],
created: { type: Date, default: Date.now }
}
Post.statics.findBySlug = (slug, cb) ->
this.model("Post").findOne({ slug: slug }, cb)
PostModel = mongoose.model "Post", Post
module.exports = PostModel
app/models/Comment.coffee
mongoose = require("mongoose")
Schema = mongoose.Schema
Comment = new Schema {
author: String,
content: String,
approved: Boolean,
created: { type: Date, default: Date.now }
}
CommentModel = mongoose.model "Comment", Comment
module.exports = CommentModel
app/controllers/PostsController.coffee(只有一种方法)
commentDestroy: (req, res, next) ->
Post.findBySlug req.params.slug, (err, doc) ->
if (err)
return next err
if doc == null
res.send 404
return
doc.comments.id(req.params.comment).remove()
doc.save (err) ->
if err
next err
res.json doc
以错误结束:
TypeError: Object [object Object],[object Object],[object Object],[object Object],[object Object] has no method 'id'
at Promise.PostsController.commentDestroy (/home/r41ngoloss/Projects/www/my-express/app/controllers/PostsController.js:88:22)
at Promise.addBack (/home/r41ngoloss/Projects/www/my-express/node_modules/mongoose/lib/promise.js:128:8)
at Promise.EventEmitter.emit (events.js:96:17)
at Promise.emit (/home/r41ngoloss/Projects/www/my-express/node_modules/mongoose/lib/promise.js:66:38)
at Promise.complete (/home/r41ngoloss/Projects/www/my-express/node_modules/mongoose/lib/promise.js:77:20)
at Query.findOne (/home/r41ngoloss/Projects/www/my-express/node_modules/mongoose/lib/query.js:1533:15)
at model.Document.init (/home/r41ngoloss/Projects/www/my-express/node_modules/mongoose/lib/document.js:229:11)
at model.init (/home/r41ngoloss/Projects/www/my-express/node_modules/mongoose/lib/model.js:192:36)
at Query.findOne (/home/r41ngoloss/Projects/www/my-express/node_modules/mongoose/lib/query.js:1531:12)
at exports.tick (/home/r41ngoloss/Projects/www/my-express/node_modules/mongoose/lib/utils.js:408:16)
我已经尝试为我的问题找到解决方案,但我发现只是 this我认为,我的架构顺序正确(按 require)。
感谢您的每一个回答。
最佳答案
您收到该错误的原因是您没有在 Post.coffee 文件中正确获取 Comment
架构。当我执行您所做的操作时,Comment
变量是未定义
。将 Post.coffee 文件的顶部修改为:
mongoose = require "mongoose"
Comment = mongoose.model('Comment').schema
Schema = mongoose.Schema
现在,Comment
变量是 Comment
模型的架构。
关于node.js - NodeJS - Mongoose(对象没有方法 "id"),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/15173431/