1 // Printer IP Address and communication port 2 string ipAddress = "10.3.14.42"; 3 int port = 9100; 4 5 // ZPL Command(s) 6 string ZPLString = 7 "^XA" + 8 "^FO50,50" + 9 "^A0N50,50" + 10 "^FDHello, World!^FS" + 11 "^XZ"; 12 13 try 14 { 15 // Open connection 16 System.Net.Sockets.TcpClient client = new System.Net.Sockets.TcpClient(); 17 client.Connect(ipAddress, port); 18 19 // Write ZPL String to connection 20 System.IO.StreamWriter writer = 21 new System.IO.StreamWriter(client.GetStream()); 22 writer.Write(ZPLString); 23 writer.Flush(); 24 25 // Close Connection 26 writer.Close(); 27 client.Close(); 28 } 29 catch (Exception ex) 30 { 31 // Catch Exception 32 }
来源:https://www.cnblogs.com/turnip/p/12169882.html