golang下的UUID生成

golang下的UUID生成

2022-04-07 1029

package main

import (
    "fmt"
    "log"
    "math/rand"
    "time"

    "github.com/bwmarrin/snowflake"
    "github.com/chilts/sid"
    goSnowflake "github.com/godruoyi/go-snowflake"
    guuid "github.com/google/uuid"
    "github.com/kjk/betterguid"
    "github.com/lithammer/shortuuid"
    "github.com/oklog/ulid"
    pborman "github.com/pborman/uuid"
    "github.com/rs/xid"
    goUUID "github.com/satori/go.uuid"
    "github.com/segmentio/ksuid"
    "github.com/sony/sonyflake"
    "go.mongodb.org/mongo-driver/bson/primitive"
)

func genShortUUID() {
    id := shortuuid.New()
    fmt.Printf("github.com/lithammer/shortuuid: %s\n", id)
}

func genXid() {
    id := xid.New()
    fmt.Printf("github.com/rs/xid:              %s\n", id.String())
}

func genKsuid() {
    id := ksuid.New()
    fmt.Printf("github.com/segmentio/ksuid:     %s\n", id.String())
}

func genBetterGUID() {
    id := betterguid.New()
    fmt.Printf("github.com/kjk/betterguid:      %s\n", id)
}

func genUlid() {
    t := time.Now().UTC()
    entropy := rand.New(rand.NewSource(t.UnixNano()))
    id := ulid.MustNew(ulid.Timestamp(t), entropy)
    fmt.Printf("github.com/oklog/ulid:          %s\n", id.String())
}

func genSonyflake() {
    flake := sonyflake.NewSonyflake(sonyflake.Settings{})
    id, err := flake.NextID()
    if err != nil {
        log.Fatalf("flake.NextID() failed with %s\n", err)
    }
    // Note: this is base16, could shorten by encoding as base62 string
    fmt.Printf("github.com/sony/sonyflake:      %d\n", id)
}

func genSnowflake() {
    nodeId := rand.Int63() % 1023
    node, err := snowflake.NewNode(nodeId)
    if err != nil {
        log.Fatalf("snowflake.NewNode() failed with %s\n", err)
    }

    id := node.Generate().Int64()
    fmt.Printf("github.com/bwmarrin/snowflake:      %d\n", id)
}

func genGoSnowflake() {
    id := goSnowflake.ID()
    fmt.Printf("github.com/godruoyi/go-snowflake:      %d\n", id)
}

func genSid() {
    id := sid.Id()
    fmt.Printf("github.com/chilts/sid:          %s\n", id)
}

func genUUIDv4() {
    id := goUUID.NewV4()
    fmt.Printf("github.com/satori/go.uuid:      %s\n", id)
}

func genUUID() {
    id := guuid.New()
    fmt.Printf("github.com/google/uuid:         %s\n", id.String())
}

func genPbormanUUID() {
    id := pborman.NewRandom()
    fmt.Printf("github.com/pborman/uuid:         %s\n", id.String())
}

func genMongoDBObjectID() {
    id := primitive.NewObjectID()
    fmt.Printf("go.mongodb.org/mongo-driver/bson/primitive:         %s\n", id.Hex())
}

func main() {
    genXid()
    genKsuid()
    genBetterGUID()
    genUlid()
    genSonyflake()
    genSnowflake()
    genGoSnowflake()
    genSid()
    genShortUUID()
    genUUIDv4()
    genUUID()
    genPbormanUUID()
    genMongoDBObjectID()
}