Question

我使用从文档中获取的示例代码：所有代码都包含在SocketExample.as中，也就是DocumentClass。

package {
    import flash.display.Sprite;

    public class SocketExample extends Sprite {

        public function SocketExample() {
            var socket:CustomSocket = new CustomSocket("127.0.0.1", 5000);
        }
    }
}

import flash.errors.*;
import flash.events.*;
import flash.net.Socket;

class CustomSocket extends Socket {
    private var response:String;
    public var txt:TextField; 

    public function CustomSocket(host:String = null, port:uint = 0) {
        super();
        configureListeners();
        if (host && port)  {
            super.connect(host, port);
        }
    }

    private function configureListeners():void {
        addEventListener(Event.CLOSE, closeHandler);
        addEventListener(Event.CONNECT, connectHandler);
        addEventListener(IOErrorEvent.IO_ERROR, ioErrorHandler);
        addEventListener(SecurityErrorEvent.SECURITY_ERROR, securityErrorHandler);
        addEventListener(ProgressEvent.SOCKET_DATA, socketDataHandler);
    }

    private function writeln(str:String):void {
        str += "\n";
        try {
            writeUTFBytes(str);
        }
        catch(e:IOError) {
            trace(e);
        }
    }

    private function sendRequest():void {
        trace("sendRequest");
        response = "";
        writeln("GET /");
        flush();
    }

    private function readResponse():void {
        var str:String = readUTFBytes(bytesAvailable);
        response += str;
    }

    private function closeHandler(event:Event):void {
        trace("closeHandler: " + event);
        trace(response.toString());
    }

    private function connectHandler(event:Event):void {
        trace("connectHandler: " + event);
        sendRequest();
    }

    private function ioErrorHandler(event:IOErrorEvent):void {
        trace("ioErrorHandler: " + event);
    }

    private function securityErrorHandler(event:SecurityErrorEvent):void {
        trace("securityErrorHandler: " + event);
    }

    private function socketDataHandler(event:ProgressEvent):void {
        trace("socketDataHandler: " + event);
        readResponse();
    }
    public function returnResponse(){
        return response.toString();
    }
}

在套接字关闭时，closeHandler被调用。如何在舞台上将响应的值写入文本字段？我尝试从CustomSocket closeHandler发送一个自定义事件，但是，即使我正确地向SocketExample的构造函数添加了一个侦听器，我也没有收到任何事件。我该怎么办？

Answer 1

您似乎已经添加了一个公共txt字段，用于存储对文本字段的引用。如何在SocketExample课程中创建文本字段，将其添加到舞台，然后设置socket.txt = yourTextField。然后，您可以直接在txt中使用closeHandler。

在舞台问题上引用文本字段

1 个答案: