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package IpUtil
import (
"bytes"
"strconv"
"strings"
)
/**
功能IP转整数
作者:黄海
时间2020-04-12
*/
func StringIpToInt(ipstring string) int {
ipSegs := strings.Split(ipstring, ".")
var ipInt int = 0
var pos uint = 24
for _, ipSeg := range ipSegs {
tempInt, _ := strconv.Atoi(ipSeg)
tempInt = tempInt << pos
ipInt = ipInt | tempInt
pos -= 8
}
return ipInt
}
/**
功能整数转IP地址
作者:黄海
时间2020-04-12
*/
func IpIntToString(ipInt int) string {
ipSegs := make([]string, 4)
var len int = len(ipSegs)
buffer := bytes.NewBufferString("")
for i := 0; i < len; i++ {
tempInt := ipInt & 0xFF
ipSegs[len-i-1] = strconv.Itoa(tempInt)
ipInt = ipInt >> 8
}
for i := 0; i < len; i++ {
buffer.WriteString(ipSegs[i])
if i < len-1 {
buffer.WriteString(".")
}
}
return buffer.String()
}