40 lines
628 B
Go
40 lines
628 B
Go
package main
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import (
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"bufio"
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"fmt"
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"log"
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"net"
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"os"
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)
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//UDP client
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func main() {
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socket, err := net.DialUDP("udp", nil, &net.UDPAddr{
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IP: net.IPv4(127, 0, 0, 1),
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Port: 40000,
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})
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if err != nil {
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log.Fatal("连接服务端失败，err", err)
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return
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}
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defer socket.Close()
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reader := bufio.NewReader(os.Stdin)
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reply := make([]byte, 512)
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for {
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fmt.Print("> ")
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msg, _ := reader.ReadString('\n')
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socket.Write([]byte(msg))
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//收回复的数据
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n, _, err := socket.ReadFromUDP(reply)
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if err != nil {
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fmt.Println("read reply msg failed:", err)
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return
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}
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fmt.Print(string(reply[:n]))
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}
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}
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