Go 언어에 대한 심층 연구: IP 주소 수정의 핵심 기술 습득

package main

import (
    "fmt"
    "net"
)

func main() {
    interfaces, err := net.Interfaces()
    if err != nil {
        fmt.Println("Error:", err)
        return
    }

    for _, iface := range interfaces {
        fmt.Printf("Interface Name: %s
", iface.Name)
        addrs, err := iface.Addrs()
        if err != nil {
            fmt.Println("Error:", err)
            continue
        }
        for _, addr := range addrs {
            fmt.Printf("IP Address: %s
", addr.String())
        }
    }
}

package main

import (
    "fmt"
    "net"
)

func main() {
    iface, err := net.InterfaceByName("en0") // 替换为实际网络接口的名称
    if err != nil {
        fmt.Println("Error:", err)
        return
    }

    addrs, err := iface.Addrs()
    if err != nil {
        fmt.Println("Error:", err)
        return
    }

    newAddr, err := net.ParseCIDR("192.168.1.100/24") // 新的IP地址和子网掩码
    if err != nil {
        fmt.Println("Error:", err)
        return
    }

    err = netlink.AddrReplace(iface, addrs[0].(*net.IPNet), newAddr)
    if err != nil {
        fmt.Println("Error:", err)
        return
    }

    fmt.Println("IP address has been successfully updated.")
}