MongoDB builds node. JS Development environment

Understanding Mongoose

Elegant MongoDB Object Modeling for node. js

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Installing Mongoose

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$ cnpm Install--save Mongoose

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$ cnpm Install--save-dev typescript @types/node @types/mongoose

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Source Reference

Import {Document, model, model, Schema, connect} from' Mongoose ';

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Console.log (' Hello mongodb! ' );

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var userschema:schema = new Schema ({

Username: {

Type:string,

Required: true,

Unique: true

},

Age:number,

Friends: [String],

Data: [Schema.Types.Mixed]

});

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Interface Iuser extends Document {

username:string;

Age:number;

Friends:string[];

Data:any[];

}

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var usermodel:model<iuser> = model<iuser> (' User ', Userschema);

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var connecturi = ' Mongodb://localhost/testdb ';

Connect (Connecturi, function (error) {

If (error) {

Console.log (Error.message);

}

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});

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var user = new usermodel ({name: ' Bob ' });

User.username = "Bob";

User.age = ;

User.friends = ["Tom", "Cat", "Jerry", "Mouse"];

User.data = [123, "abc"];

User.save (). Then (()={

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Usermodel.findone ({}, (Err:any, user:iuser) + = {

Console.log ("User:%s", user);

});

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})

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Reference Resources

http://mongoosejs.com/

Http://mongoosejs.com/docs/guide.html

Https://npm.taobao.org/package/mongoose

Https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/mongoose/v4

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MongoDB builds node. JS Development environment