go多种uuid生成方式
package main
import (
"fmt"
"github.com/chilts/sid"
"github.com/kjk/betterguid"
"github.com/oklog/ulid"
"github.com/rs/xid"
"github.com/satori/go.uuid"
"github.com/segmentio/ksuid"
"github.com/sony/sonyflake"
"log"
"math/rand"
"time"
)
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)
}
fmt.Printf("github.com/sony/sonyflake: %x\n", id)
}
func genSid() {
id := sid.Id()
fmt.Printf("github.com/chilts/sid: %s\n", id)
}
func genUUIDv4() {
id,err := uuid.NewV4()
if err != nil {
fmt.Printf("get uuid error [%s]",err)
}
fmt.Printf("github.com/satori/go.uuid: %s\n", id)
}
func main() {
genXid()
genKsuid()
genBetterGUID()
genUlid()
genSonyflake()
genSid()
genUUIDv4()
}
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