38 lines
677 B
Go
38 lines
677 B
Go
package utils
|
|
|
|
import (
|
|
"encoding/base64"
|
|
"math/rand"
|
|
"strconv"
|
|
)
|
|
|
|
var letterRunes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
|
|
|
|
func RandString(length int) string {
|
|
b := make([]rune, length)
|
|
for i := range b {
|
|
b[i] = letterRunes[rand.Intn(len(letterRunes))]
|
|
}
|
|
return string(b)
|
|
}
|
|
|
|
func IsInt(str string) bool {
|
|
_, err := strconv.ParseInt(str, 10, 64)
|
|
return err == nil
|
|
}
|
|
|
|
func Base64Decode(s string) string {
|
|
b, err := base64.StdEncoding.DecodeString(s); if err != nil {
|
|
return ""
|
|
}
|
|
return string(b)
|
|
}
|
|
|
|
func Base64Encode(s string) string {
|
|
return base64.StdEncoding.EncodeToString([]byte(s))
|
|
}
|
|
|
|
func StrPtr(s string) *string {
|
|
return &s
|
|
}
|