Admin
43 lines
1.0 KiB
Go
43 lines
1.0 KiB
Go
package utils
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import (
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"crypto/rand"
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"encoding/base64"
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"math/big"
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)
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// GenerateRandomString 生成随机字符串
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func GenerateRandomString(length int) string {
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const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
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b := make([]byte, length)
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for i := range b {
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n, _ := rand.Int(rand.Reader, big.NewInt(int64(len(charset))))
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b[i] = charset[n.Int64()]
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}
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return string(b)
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}
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// GenerateRandomNumber 生成随机数字
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func GenerateRandomNumber(length int) string {
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const charset = "0123456789"
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b := make([]byte, length)
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for i := range b {
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n, _ := rand.Int(rand.Reader, big.NewInt(int64(len(charset))))
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b[i] = charset[n.Int64()]
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}
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return string(b)
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}
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// GenerateCardKey 生成卡密
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func GenerateCardKey(prefix string, length int) string {
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randomPart := GenerateRandomString(length)
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return prefix + "-" + randomPart
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}
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// GenerateBase64Token 生成Base64令牌
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func GenerateBase64Token(length int) string {
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b := make([]byte, length)
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rand.Read(b)
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return base64.URLEncoding.EncodeToString(b)
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}
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