package util import ( "demo/share" "fmt" "math/big" ) const data = "66" var charArrays = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" func RandomArrays(charCount, hex int) string { result := "" for i := 0; i < charCount; i++ { randomInt := share.RandomInt(big.NewInt(0), big.NewInt(int64(hex))).Int64() result += fmt.Sprint(string(charArrays[randomInt])) } return result }