2022-06-25 13:34:44 +00:00
|
|
|
package random
|
2022-06-25 12:38:02 +00:00
|
|
|
|
|
|
|
|
import (
|
2022-07-12 06:01:43 +00:00
|
|
|
"github.com/google/uuid"
|
2022-06-25 12:38:02 +00:00
|
|
|
"math/rand"
|
|
|
|
|
"time"
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
var Rand *rand.Rand
|
|
|
|
|
|
|
|
|
|
const letterBytes = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
|
|
|
|
|
|
2022-06-26 11:09:28 +00:00
|
|
|
func String(n int) string {
|
2022-06-25 12:38:02 +00:00
|
|
|
b := make([]byte, n)
|
|
|
|
|
for i := range b {
|
|
|
|
|
b[i] = letterBytes[Rand.Intn(len(letterBytes))]
|
|
|
|
|
}
|
|
|
|
|
return string(b)
|
|
|
|
|
}
|
|
|
|
|
|
2022-06-28 06:18:10 +00:00
|
|
|
func Token() string {
|
2022-07-12 06:01:43 +00:00
|
|
|
return uuid.NewString() + String(64)
|
2022-06-28 06:18:10 +00:00
|
|
|
}
|
|
|
|
|
|
2022-07-19 11:55:54 +00:00
|
|
|
func RangeInt64(left, right int64) int64 {
|
|
|
|
|
return rand.Int63n(left+right) - left
|
|
|
|
|
}
|
|
|
|
|
|
2022-06-25 12:38:02 +00:00
|
|
|
func init() {
|
|
|
|
|
s := rand.NewSource(time.Now().UnixNano())
|
|
|
|
|
Rand = rand.New(s)
|
|
|
|
|
}
|
