61 lines
1.1 KiB
Go
61 lines
1.1 KiB
Go
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package tools
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import (
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"crypto/md5"
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"crypto/sha256"
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"encoding/base64"
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"encoding/hex"
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"math/rand"
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"strconv"
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"strings"
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"time"
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)
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//md5加密
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func Md5(src string) string {
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m := md5.New()
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m.Write([]byte(src))
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res := hex.EncodeToString(m.Sum(nil))
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return res
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}
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//Sha256加密
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func Sha256(src string) string {
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m := sha256.New()
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m.Write([]byte(src))
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res := hex.EncodeToString(m.Sum(nil))
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return res
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}
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func Base64Encode(subject string) string {
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return base64.StdEncoding.EncodeToString([]byte(subject))
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}
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func Base64Decode2(subject string) ([]byte, error) {
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return base64.StdEncoding.DecodeString(subject)
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}
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func Base64Decode(str string) string {
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reader := strings.NewReader(str)
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decoder := base64.NewDecoder(base64.RawStdEncoding, reader)
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// 以流式解码
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buf := make([]byte, 1024)
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// 保存解码后的数据
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dst := ""
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for {
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n, err := decoder.Read(buf)
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dst += string(buf[:n])
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if n == 0 || err != nil {
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break
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}
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}
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return dst
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}
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//生成随机数
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func RandNum(n int) string {
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rand.Seed(time.Now().UnixNano())
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res := ""
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for i := 1; i <= n; i++ {
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res += strconv.Itoa(rand.Intn(10))
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}
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return res
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}
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