34 lines
603 B
Go
34 lines
603 B
Go
package q5
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import (
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"fmt"
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"net"
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)
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func GetLocalIP() (string, error) {
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interfaces, err := net.Interfaces()
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if err != nil {
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return "", err
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}
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for _, iface := range interfaces {
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if iface.Flags&net.FlagUp == 0 || iface.Flags&net.FlagLoopback != 0 {
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continue
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}
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addrs, err := iface.Addrs()
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if err != nil {
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return "", err
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}
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for _, addr := range addrs {
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ipnet, ok := addr.(*net.IPNet)
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if !ok || ipnet.IP.IsLoopback() {
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continue
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}
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if ipnet.IP.To4() != nil {
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return ipnet.IP.String(), nil
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}
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}
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}
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return "", fmt.Errorf("无法获取本机有效的IP地址")
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}
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