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https://github.com/unknwon/the-way-to-go_ZH_CN.git
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25 lines
547 B
Go
25 lines
547 B
Go
// make a connection with www.example.org:
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package main
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import (
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"fmt"
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"net"
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"os"
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)
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func main() {
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conn, err := net.Dial("tcp", "192.0.32.10:80") // tcp ipv4
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checkConnection(conn, err)
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conn, err = net.Dial("udp", "192.0.32.10:80") // udp
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checkConnection(conn, err)
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conn, err = net.Dial("tcp", "[2620:0:2d0:200::10]:80") // tcp ipv6
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checkConnection(conn, err)
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}
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func checkConnection(conn net.Conn, err error) {
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if err != nil {
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fmt.Printf("error %v connecting!", err)
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os.Exit(1)
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}
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fmt.Printf("Connection is made with %v\n", conn)
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}
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