Exempel på UUID-generering

Se hur du genererar UUIDs i flera programmeringsspråk

JavaScript (Node.js)

Install: npm install uuid

const { v4: uuidv4 } = require('uuid');
console.log(uuidv4());

Python

Install: Standard library

import uuid
print(uuid.uuid4())

Install: go get github.com/google/uuid

package main
import (
    "fmt"
    "github.com/google/uuid"
)
func main() {
    fmt.Println(uuid.New())
}

Java

Install: Standard library (java.util.UUID)

import java.util.UUID;
public class Main {
    public static void main(String[] args) {
        System.out.println(UUID.randomUUID());
    }
}

Install: Standard library (System.Guid)

using System;
class Program {
    static void Main() {
        Console.WriteLine(Guid.NewGuid());
    }
}

PHP

Install: composer require ramsey/uuid

<?php
require 'vendor/autoload.php';
use Ramsey\Uuid\Uuid;
echo Uuid::uuid4()->toString();

Ruby

Install: gem install securerandom

require 'securerandom'
puts SecureRandom.uuid

Bash (Linux/macOS)

Install: uuidgen (usually pre-installed)

uuidgen

C++

Install: Boost (boost/uuid/uuid.hpp)

#include <boost/uuid/uuid.hpp>
#include <boost/uuid/uuid_generators.hpp>
#include <boost/uuid/uuid_io.hpp>
#include <iostream>
int main() {
    boost::uuids::uuid uuid = boost::uuids::random_generator()();
    std::cout << uuid << std::endl;
}

Rust

Install: cargo add uuid

use uuid::Uuid;
fn main() {
    let my_uuid = Uuid::new_v4();
    println!("{}", my_uuid);
}

Kotlin

Install: Standard library (java.util.UUID)

import java.util.UUID
fun main() {
    println(UUID.randomUUID())
}

Swift

Install: Standard library (Foundation)

import Foundation
print(UUID().uuidString)

TypeScript

Install: npm install uuid

import { v4 as uuidv4 } from 'uuid';
console.log(uuidv4());

SQL (PostgreSQL)

Install: CREATE EXTENSION IF NOT EXISTS "uuid-ossp";

SELECT uuid_generate_v4();

MySQL

Install: Standard function

SELECT UUID();

PowerShell

Install: Standard

[guid]::NewGuid()

Perl

Install: cpan Data::UUID

use Data::UUID;
my $ug = Data::UUID->new;
print $ug->create_str();

Dart

Install: dart pub add uuid

import 'package:uuid/uuid.dart';
void main() {
    var uuid = Uuid();
    print(uuid.v4());
}

Elixir

Install: mix deps.get uuid

IO.puts(UUID.uuid4()) # after adding :uuid to mix.exs

Scala

Install: Standard library (java.util.UUID)

import java.util.UUID
object Main extends App {
    println(UUID.randomUUID())
}