添加字符串ip地址与Long类型互转的方法

util/gconv/gconv.go

@@ -8,9 +8,11 @@
 package gconv
 
 import (
+	"encoding/binary"
 	"encoding/json"
 	"fmt"
 	"github.com/gogf/gf/os/gtime"
+	"net"
 	"reflect"
 	"strconv"
 	"strings"
@@ -165,6 +167,23 @@ func Runes(i interface{}) []rune {
 	}
 	return []rune(String(i))
 }
+// convert ip to long, ex ip 106.8.36.164 to 1778918564
+func Ip2long(ipStr string) uint32 {
+	ip := net.ParseIP(ipStr)
+	if ip == nil {
+		return 0
+	}
+	ip = ip.To4()
+	return binary.BigEndian.Uint32(ip)
+}
+// convert long to ip string, ex int 1778918564 to ip 106.8.36.164
+func Long2ip(ipLong uint32) string {
+	ipByte := make([]byte, 4)
+	binary.BigEndian.PutUint32(ipByte, ipLong)
+	ip := net.IP(ipByte)
+	return ip.String()
+}
+
 
 // String converts <i> to string.
 // It's most common used converting function.