create,insertMany就是我们工作人员替用户直接录入。 const catSchema = new Mongoose.Schema({ name: String, type: String });const Cat = Mongoose.model('Cat', catSchema); Cat.create({ name: 'mimi', type: 'American Shorthair' })
Let’s see an example, let’s create a schema, insert a few documents and check if Mongoose is installed or not. Creating a Model using Mongoose Create a model folder inside your project directory. Now, create a file for your model. Let’s name it shoes.js. Inside the shoes.js file...
15 // Insert the article in our MongoDB database 16 await article.save(); We first need to import the Blog model that we created. Next, we create a new blog object and then use the save() method to insert it into our MongoDB database. Let’s add a bit more after that to...
upsert (boolean) whether to create the doc if it doesn't match (false) Document#set(path, val, [type]) Sets the value of a path, or many paths.show code Parameters: path <String, Object> path or object of key/vals to set val <Any> the value to set [type] <Schema, String, Nu...
That is because MongoDB will set _id to an ObjectId if you create a new document without an _id property, so if you make your _id property a Number, you need to be extra careful not to insert a document without a numeric _id....
Open a terminal, create a new project directory and move into it using the following commands: mkdir farmApp cd farmApp Initialize NPM inside the directory to install Mongoose: npm init -y Create an “index.js” file where we will write all the code for creating the application: ...
model.insertMany([object]) : 可以批量增加,从内存写到数据库比较实用 区别就像实例的save是猫主人自己跑过来报名。create,insertMany就是我们工作人员替用户直接录入。 const catSchema = new Mongoose.Schema({ name: String, type: String });const Cat = Mongoose.model('Cat', catSchema); ...
model.create(object) : 其实就是new model.save()的简写 model.insertMany([object]) : 可以批量增加,从内存写到数据库比较实用 区别就像实例的save是猫主人自己跑过来报名。create,insertMany就是我们工作人员替用户直接录入。 const catSchema = new Mongoose.Schema({ name: String, type: String });const ...
model.insertMany([object]) : 可以批量增加,从内存写到数据库比较实用 区别就像实例的save是猫主人自己跑过来报名。create,insertMany就是我们工作人员替用户直接录入。 const catSchema = new Mongoose.Schema({ name: String, type: String });const Cat = Mongoose.model('Cat', catSchema); ...