[ActionScript 3.0] AS3 ServerSocket示例（官方示例）

下面的示例创建一个套接字服务器。要使用该服务器，可将套接字绑定到本地端口，然后从其他应用程序连接到该端口。该服务器仅识别 UTF-8 字符串。
  1 package
  2 {
  3     import flash.display.Sprite;
  4     import flash.events.Event;
  5     import flash.events.MouseEvent;
  6     import flash.events.ProgressEvent;
  7     import flash.events.ServerSocketConnectEvent;
  8     import flash.net.ServerSocket;
  9     import flash.net.Socket;
 10     import flash.text.TextField;
 11     import flash.text.TextFieldType;
 12     import flash.utils.ByteArray;
 13 
 14     /**
 15      * @author Frost.Yen
 16      * @E-mail 871979853@qq.com
 17      * @create 2015-8-21 下午3:49:14
 18      *
 19      */
 20     public class ServerSocketExample extends Sprite
 21     {
 22         private var serverSocket:ServerSocket = new ServerSocket();
 23         private var clientSocket:Socket;
 24         
 25         private var localIP:TextField;
 26         private var localPort:TextField;
 27         private var logField:TextField;
 28         private var message:TextField;
 29 
 30         public function ServerSocketExample()
 31         {
 32             setupUI();
 33 
 34         }
 35         private function onConnect( event:ServerSocketConnectEvent ):void
 36         {
 37             clientSocket = event.socket;
 38             clientSocket.addEventListener( ProgressEvent.SOCKET_DATA, onClientSocketData );
 39             log( "Connection from " + clientSocket.remoteAddress + ":" + clientSocket.remotePort );
 40         }
 41         
 42         private function onClientSocketData( event:ProgressEvent ):void
 43         {
 44             var buffer:ByteArray = new ByteArray();
 45             clientSocket.readBytes( buffer, 0, clientSocket.bytesAvailable );
 46             log( "Received: " + buffer.toString() );
 47         }
 48         
 49         private function bind( event:Event ):void
 50         {
 51             if( serverSocket.bound ) 
 52             {
 53                 serverSocket.close();
 54                 serverSocket = new ServerSocket();
 55                 
 56             }
 57             serverSocket.bind( parseInt( localPort.text ), localIP.text );
 58             serverSocket.addEventListener( ServerSocketConnectEvent.CONNECT, onConnect );
 59             serverSocket.listen();
 60             log( "Bound to: " + serverSocket.localAddress + ":" + serverSocket.localPort );
 61         }
 62         
 63         private function send( event:Event ):void
 64         {
 65             try
 66             {
 67                 if( clientSocket != null && clientSocket.connected )
 68                 {
 69                     clientSocket.writeUTFBytes( message.text );
 70                     clientSocket.flush(); 
 71                     log( "Sent message to " + clientSocket.remoteAddress + ":" + clientSocket.remotePort );
 72                 }
 73                 else log("No socket connection.");
 74             }
 75             catch ( error:Error )
 76             {
 77                 log( error.message );
 78             }
 79         }
 80         
 81         private function log( text:String ):void
 82         {
 83             logField.appendText( text + "\n" );
 84             logField.scrollV = logField.maxScrollV;
 85             trace( text );
 86         }
 87         
 88         private function setupUI():void
 89         {
 90             localIP = createTextField( 10, 10, "Local IP", "0.0.0.0");
 91             localPort = createTextField( 10, 35, "Local port", "0" );
 92             createTextButton( 170, 60, "Bind", bind );
 93             message = createTextField( 10, 85, "Message", "Lucy can't drink milk." );
 94             createTextButton( 170, 110, "Send", send );
 95             logField = createTextField( 10, 135, "Log", "", false, 200 )
 96             
 97             this.stage.nativeWindow.activate();
 98         }
 99         
100         private function createTextField( x:int, y:int, label:String, defaultValue:String = '', editable:Boolean = true, height:int = 20 ):TextField
101         {
102             var labelField:TextField = new TextField();
103             labelField.text = label;
104             labelField.type = TextFieldType.DYNAMIC;
105             labelField.width = 100;
106             labelField.x = x;
107             labelField.y = y;
108             
109             var input:TextField = new TextField();
110             input.text = defaultValue;
111             input.type = TextFieldType.INPUT;
112             input.border = editable;
113             input.selectable = editable;
114             input.width = 280;
115             input.height = height;
116             input.x = x + labelField.width;
117             input.y = y;
118             
119             this.addChild( labelField );
120             this.addChild( input );
121             
122             return input;
123         }
124         
125         private function createTextButton( x:int, y:int, label:String, clickHandler:Function ):TextField
126         {
127             var button:TextField = new TextField();
128             button.htmlText = "<u><b>" + label + "</b></u>";
129             button.type = TextFieldType.DYNAMIC;
130             button.selectable = false;
131             button.width = 180;
132             button.x = x;
133             button.y = y;
134             button.addEventListener( MouseEvent.CLICK, clickHandler );
135             
136             this.addChild( button );
137             return button;
138         }        
139     }
140 }
posted on 2015-08-21 15:57 晏过留痕阅读(983) 评论(0) 编辑收藏举报