34 lines
629 B
Go
34 lines
629 B
Go
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package util
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import (
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"crypto/md5"
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"fmt"
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"math/rand"
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"time"
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)
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func MD5(str string) string {
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data := []byte(str)
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has := md5.Sum(data)
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md5str := fmt.Sprintf("%x", has)
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return md5str
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}
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const charset = "abcdefghijklmnopqrstuvwxyz" +
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
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var seededRand *rand.Rand = rand.New(
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rand.NewSource(time.Now().UnixNano()))
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func RandStringWithCharset(length int, charset string) string {
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b := make([]byte, length)
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for i := range b {
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b[i] = charset[seededRand.Intn(len(charset))]
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}
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return string(b)
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}
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func RandString(length int) string {
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return RandStringWithCharset(length, charset)
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}
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