服务器端:
addr := "127.0.0.1:8888"
protocol := "udp"
packetConn, err := net.ListenPackage(protocol,addr)
if err != nil {
fmt.Println(err)
return
}
for{
ctx := make([]byte, 1024)
n, addr, err := packetConn.ReadFrom(ctx)
if err != nil {
fmt.Println(err)
continue
}
// 服务器只管写,不管有没有收到
packetConn.WriteTo([]byte(time.Now().Format("2006/01/02 15:03:04")))
}
packConn.close()
客户端:于tcp差不多,没有写协议
conn := net.Dial("udp", "127.0.0.1:8888")
conn.Write([]byte(time.Now().Format("2006/01/02 15:04:05")))
...
conn.close()