https://github.com/polaris1119/goutils/blob/master/ip.go
package goutils
import (
"encoding/binary"
"net"
"net/http"
)
const (
XForwardedFor = "X-Forwarded-For"
XRealIP = "X-Real-IP"
)
// RemoteIp 返回远程客户端的 IP,如 192.168.1.1
func RemoteIp(req *http.Request) string {
remoteAddr := req.RemoteAddr
if ip := req.Header.Get(XRealIP); ip != "" {
remoteAddr = ip
} else if ip = req.Header.Get(XForwardedFor); ip != "" {
remoteAddr = ip
} else {
remoteAddr, _, _ = net.SplitHostPort(remoteAddr)
}
if remoteAddr == "::1" {
remoteAddr = "127.0.0.1"
}
return remoteAddr
}
// Ip2long 将 IPv4 字符串形式转为 uint32
func Ip2long(ipstr string) uint32 {
ip := net.ParseIP(ipstr)
if ip == nil {
return 0
}
ip = ip.To4()
return binary.BigEndian.Uint32(ip)
}
文档更新时间: 2019-06-07 10:32 作者:月影鹏鹏