golang获取windows系统有线活跃网卡及IP配置

该代码段展示了如何在Go中使用WindowsManagementInstrumentation(WMI)查询本地活动的以太网信息,包括IP地址、子网掩码、默认网关等,并提供了设置静态IP、DNS和切换到DHCP模式的函数。

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代码

package network

import (
	"errors"
	"fmt"
	"github.com/StackExchange/wmi"
	"golang.org/x/text/encoding/simplifiedchinese"
	"log"
	"net"
	"os/exec"
	"strings"
	"time"
)

type Win32_NetworkAdapterConfiguration struct {
   
	Caption                      string
	Description                  string
	SettingID                    string
	ArpAlwaysSourceRoute         bool
	ArpUseEtherSNAP              bool
	DatabasePath                 string
	DeadGWDetectEnabled          bool
	DefaultIPGateway             []string
	DefaultTOS                   uint8
	DefaultTTL                   uint8
	DHCPEnabled                  bool
	DHCPLeaseExpires             *time.Time
	DHCPLeaseObtained            *time.Time
	DHCPServer                   string
	DNSDomain                    string
	DNSDomainSuffixSearchOrder   []string
	DNSEnabledForWINSResolution  bool
	DNSHostName                  string
	DNSServerSearchOrder         []string
	DomainDNSRegistrationEnabled bool
	ForwardBufferMemory          uint32
	FullDNSRegistrationEnabled   bool
	GatewayCostMetric            []int32
	IGMPLevel                    uint8
	Index                        uint32
	InterfaceIndex               uint32
	IPAddress                    []string
	IPConnectionMetric           uint32
	IPEnabled                    bool
	IPFilterSecurityEnabled      bool
	IPPortSecurityEnabled        bool
	IPSecPermitIPProtocols       []string
	IPSecPermitTCPPorts          []string
	IPSecPermitUDPPorts          []string
	IPSubnet                     []string
	//IPUseZeroBroadcast           bool
	//IPXAddress                   string
	//IPXEnabled                   bool
	//IPXFrameType                 []uint32
	//IPXMediaType                 uint32
	IPXNetworkNumber []string
	//IPXVirtualNetNumber          string
	//KeepAliveInterval            uint32
	//KeepAliveTime                uint32
	MACAddress string
	//MTU                          uint32
	//NumForwardPackets            uint32
	//PMTUBHDetectEnabled          bool
	//PMTUDiscoveryEnabled         bool
	//ServiceName                  string
	//TcpipNetbiosOptions          uint32
	//TcpMaxConnectRetransmissions uint32
	//TcpMaxDataRetransmissions    uint32
	//TcpNumConnections            uint32
	//TcpUseRFC1122UrgentPointer   bool
	//TcpWindowSize                uint16
	//WINSEnableLMHostsLookup      bool
	//WINSHostLookupFile           string
	//WINSP
### 回答1: 如果要用Go语言获取网卡IP,可以使用net.InterfaceAddrs函数。下面是一个示例代码:ifaces, err := net.InterfaceAddrs() if err != nil { log.Fatal(err) } for _, a := range ifaces { fmt.Println(a) } ### 回答2: 使用Golang获取网卡IP和网关的代码示例如下: ```go package main import ( "fmt" "net" ) func main() { interfaces, err := net.Interfaces() if err != nil { fmt.Println("Failed to get network interfaces:", err) return } for _, iface := range interfaces { addrs, err := iface.Addrs() if err != nil { fmt.Println("Failed to get addresses for interface", iface.Name, ":", err) continue } for _, addr := range addrs { ipNet, ok := addr.(*net.IPNet) if !ok { continue } // Check if it's an IPv4 address if ipNet.IP.To4() != nil { fmt.Println("IPv4 address:", ipNet.IP) // Get the associated network interface's default gateway if defaultRoute, err := net.InterfaceByName(iface.Name); err == nil { routes, err := defaultRoute.Addrs() if err != nil { fmt.Println("Failed to get default gateway for interface", iface.Name, ":", err) continue } for _, route := range routes { gateway, ok := route.(*net.IPNet) if !ok { continue } if !gateway.IP.IsLoopback() && gateway.IP.To4() != nil { fmt.Println("Default gateway:", gateway.IP) } } } } } } } ``` 这段代码通过使用`net.Interfaces()`函数获取所有的网络接口,然后遍历每个接口的地址。对于IPv4地址,它会打印出来,并通过`net.InterfaceByName()`函数获取关联网络接口的默认网关。然后,它遍历这些网关,并打印出IPv4格式的默认网关地址。 希望这可以帮助你获取网卡IP和网关。 ### 回答3: 要获取网卡IP和网关,在Golang中可以使用`net`和`os/exec`包来实现。以下是一个代码示例: ```go package main import ( "fmt" "net" "os/exec" "strings" ) func main() { // 获取所有网卡信息 interfaces, err := net.Interfaces() if err != nil { fmt.Println("获取网卡信息失败:", err) return } // 遍历网卡信息 for _, iface := range interfaces { // 排除回环接口和无效接口 if iface.Flags&net.FlagLoopback != 0 || iface.Flags&net.FlagUp == 0 { continue } // 获取网卡IP地址 addrs, err := iface.Addrs() if err != nil { fmt.Println("获取网卡IP失败:", err) return } // 遍历IP地址 for _, addr := range addrs { ipnet, ok := addr.(*net.IPNet) if ok && !ipnet.IP.IsLoopback() && ipnet.IP.To4() != nil { fmt.Printf("网卡%d的IP地址:%s\n", iface.Index, ipnet.IP.String()) } } // 获取网卡的网关 output, err := exec.Command("netstat", "-nr").Output() if err != nil { fmt.Println("执行netstat命令失败:", err) return } // 解析输出结果 lines := strings.Split(string(output), "\n") for _, line := range lines { fields := strings.Fields(line) if len(fields) > 1 && fields[0] == "0.0.0.0" { fmt.Printf("网卡%d的网关:%s\n", iface.Index, fields[1]) break } } } } ``` 这个代码会遍历所有的网卡获取每个网卡IP地址,并使用`netstat`命令来获取网卡的网关。最后打印出每个网卡IP地址和网关。请注意,在Windows系统和Linux系统中,`netstat`命令的输出格式可能不同,需要根据实际情况修改解析代码。
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