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修改函数 GetLocalIP

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This commit is contained in:
殷勇 2023-09-25 15:15:52 +08:00
parent aa48a0c524
commit 72f4aa8132
1 changed files with 36 additions and 28 deletions
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64
sysutils.go
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@ -117,7 +117,7 @@ func IsNumberType(v interface{}) bool {
}
func FormatUnixDateTime(sec int64, loc *time.Location) string {
strTime := time.Unix(sec, 0).In(loc). Format("2006-01-02 15:04:05")
strTime := time.Unix(sec, 0).In(loc).Format("2006-01-02 15:04:05")
return strTime
}
@ -154,37 +154,45 @@ func UnSetBitFlag(val *int64, bitNum int32) {
}
func GetLocalIP() string {
interfaces, err := net.Interfaces()
conn, err := net.Dial("udp", "8.8.8.8:80")
if err != nil {
panic(err)
}
ipList := []string{}
for _, iface := range interfaces {
if iface.Flags&net.FlagUp == 0 || iface.Flags&net.FlagLoopback != 0 {
continue
}
addrs, err := iface.Addrs()
if err != nil {
panic(err)
}
for _, addr := range addrs {
ipnet, ok := addr.(*net.IPNet)
if !ok || ipnet.IP.IsLoopback() {
continue
}
if ipnet.IP.To4() != nil {
ipList = append(ipList, ipnet.IP.String())
}
}
}
if len(ipList) != 1 {
panic("GetLocalIP error")
} else {
return ipList[0]
return ""
}
defer conn.Close()
localAddr := conn.LocalAddr().(*net.UDPAddr)
return localAddr.IP.String()
//interfaces, err := net.Interfaces()
//if err != nil {
// panic(err)
//}
//ipList := []string{}
//for _, iface := range interfaces {
// if iface.Flags&net.FlagUp == 0 || iface.Flags&net.FlagLoopback != 0 {
// continue
// }
// addrs, err := iface.Addrs()
// if err != nil {
// panic(err)
// }
// for _, addr := range addrs {
// ipnet, ok := addr.(*net.IPNet)
// if !ok || ipnet.IP.IsLoopback() {
// continue
// }
// if ipnet.IP.To4() != nil {
// ipList = append(ipList, ipnet.IP.String())
// }
// }
//}
//if len(ipList) != 1 {
// panic("GetLocalIP error")
//} else {
// return ipList[0]
//}
}
func NewSlice[T any](s *[]T ,len int32, cap int32){
func NewSlice[T any](s *[]T, len int32, cap int32) {
*s = make([]T, len, cap)
}