2019年03月11日林超string 转 Objectid 实现 数据库中的需要存储用户的ObjectId(_id),可以通过字符串的形式进行存储,方便网络传输等操作.在将字符串转ObjectId类型的过程中需要进行操作,具体代码如下: constid ='yourObjectIdString';constmongoose =require('mongoose');constuid =newmongoose.Types.Objectid(id)...
您可以使用 $toObjectId聚合实现此目的,该聚合仅将字符串ID转换为mongoose objectId db.collection('article').aggregate([ { "$lookup": { "from": "comments", "let": { "article_Id": "$_id" }, "pipeline": [ { "addFields": { "articleId": { "$toObjectId": "$articleId...
您可以使用$toObjectId聚合实现此目的,该聚合仅将字符串ID转换为mongoose objectId db.collection('article').aggregate([ {"$lookup": {"from": "comments","let": { "article_Id": "$_id"},"pipeline": [ {"addFields": { "articleId": { "$toObjectId": "$articleId"}}}, {"$match": { ...
当我通过ObjectId字段查询时,我遇到了mongoose查询的问题。传递mongoose.Types.ObjectId或string都会抛出错误。只有当我将ObjectId转换为mongoose.Schema.Types.ObjectId时,TypeScript才会停止抱怨,然后它会在运行时崩溃,因为它不是有效的ObjectId。 代码语言:javascript 运行 AI代码解释 interface DocumentWithTimestamp exten...
.populate('user_id', ['name']) .lean(); Node.js - CastError: Cast to ObjectId failed for value in, CastError: Cast to ObjectId failed for value in mongoose operation. i have used a middleware called checktoken in every routes except login route in my code . when i hit login url...
Node.js - Mongoose CastError: Cast to ObjectId failed for, Short answer: If you don't want to deal with ObjectId and the transformations between ObjectId and String, and between id and _id.. You could use _id field backend and frontend. Also, to save it in the backend as a String...
MongooseError:操作`x.findOne()在10000 out后超时 、、、 我使用Discord.JS v13进行切分,使用猫鼬作为数据库。我在切分文件(index.js)中而不是在bot.js中连接到猫鼬,因为我需要在那里使用它,但这不允许我从任何地方( index.js )获取数据。index.js (切分文件)const dbURI = process.env.DBURI; const mon...
mongoose.connection.on('disconnected',function{ console.log('Mongoose connection disconnected'); }); 二 数据类型 数据类型(mongoose 中提供的 schemaTypes) 数据类型有:String,Number,Date,Buffer,Boolean,ObjectId,Array,Mixed,Map,Decimal128 在数据库直接用insert方法进行数据插入时,若不强制指定数字的类型,则...
问CastError:对于在数组中添加字符串值的值，强制转换为string失败EN如何从日期数组中找出最小和最大日期...