1Panel/backend/utils/common/common.go
2022-10-08 15:03:29 +08:00

63 lines
1.2 KiB
Go

package common
import (
"crypto/rand"
"fmt"
"io"
mathRand "math/rand"
"regexp"
"strconv"
"strings"
)
func CompareVersion(version1 string, version2 string) bool {
version1s := strings.Split(version1, ".")
version2s := strings.Split(version2, ".")
n := min(len(version1s), len(version2s))
re := regexp.MustCompile("[0-9]+")
for i := 0; i < n; i++ {
sVersion1s := re.FindAllString(version1s[i], -1)
sVersion2s := re.FindAllString(version2s[i], -1)
if len(sVersion1s) == 0 {
return false
}
if len(sVersion2s) == 0 {
return false
}
v1num, _ := strconv.Atoi(sVersion1s[0])
v2num, _ := strconv.Atoi(sVersion2s[0])
if v1num == v2num {
continue
} else {
return v1num > v2num
}
}
return true
}
func min(a, b int) int {
if a < b {
return a
}
return b
}
func GetUuid() string {
b := make([]byte, 16)
_, _ = io.ReadFull(rand.Reader, b)
b[6] = (b[6] & 0x0f) | 0x40
b[8] = (b[8] & 0x3f) | 0x80
return fmt.Sprintf("%x-%x-%x-%x-%x", b[0:4], b[4:6], b[6:8], b[8:10], b[10:])
}
var letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890")
func RandStr(n int) string {
b := make([]rune, n)
for i := range b {
b[i] = letters[mathRand.Intn(len(letters))]
}
return string(b)
}