flex通信篇——socket

相关文章：
http://blog.163.com/terry_boss/blog/static/3335226220088233505852/
http://space.flash8.net/bbs/thread-370600-1-1.html

flex代码:

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx"
minWidth="955" minHeight="600"
creationComplete="application1_creationCompleteHandler(event)">
<fx:Declarations>
<!-- 将非可视元素（例如服务、值对象）放在此处 -->
</fx:Declarations>
<fx:Script>
<![CDATA[
import flash.net.Socket;

import mx.events.FlexEvent;
private var socket1:Socket;

protected function application1_creationCompleteHandler(event:FlexEvent):void
{
init();
}

private function init():void
{
socket1 = new Socket();
socket1.addEventListener(Event.CONNECT,onConnect);
socket1.addEventListener(ProgressEvent.SOCKET_DATA,onSocketData);
socket1.addEventListener(IOErrorEvent.IO_ERROR,onIoError);
socket1.addEventListener(Event.CLOSE,onClose);
//Security.loadPolicyFile("xmlsocket://127.0.0.1:2234");
socket1.connect("127.0.0.1",2234);
}

private function onClick():void
{
if(socket1.connected)sendDataFunc();
}

private function sendDataFunc():void
{
var message:ByteArray=new ByteArray();
message.writeUTFBytes(input.text+"\n");
socket1.writeBytes(message);
socket1.flush();
trace("写入数据成功");
}

private function onConnect(event:Event):void
{
trace("客户端连接服务器成功");
}

private function onClose(event:Event):void
{
trace("连接已断开");
input.enabled = false;
sendData.enabled = false;
}


private function onIoError(event:IOErrorEvent):void
{
trace("连接错误");
}

private function onSocketData(event:ProgressEvent):void
{
while(socket1.bytesAvailable)
{
ouput.text += socket1.readMultiByte(socket1.bytesAvailable,"UTF-8");
}
}

]]>
</fx:Script>
<s:TextInput x="126" y="53" width="321" color="#6209F7" id="input"/>
<s:Label x="39" y="58" text="请输入发送内容" color="#F60E0E"/>
<s:Button x="455" y="54" label="发送" id="sendData" click="onClick()"/>
<s:TextArea x="126" y="98" width="321" height="342" id="ouput"/>
<s:Label x="35" y="99" text="服务器返回数据"/>
</s:Application>

服务器java代码：

package cn.jiabeis.socket;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.ServerSocket;
import java.net.Socket;

线程类实现socked安全认证:
/**
* 类实现了java 安全沙认证 http://space.flash8.net/bbs/thread-370600-1-1.html
* @author Administrator
*
*/
public class SecurityXMLServer implements Runnable {

private ServerSocket server;
private BufferedReader reader;
private BufferedWriter writer;
private String xml;

// http://blog.163.com/terry_boss/blog/static/3335226220088233505852/
public SecurityXMLServer() {
String path = "policyfile文件路径";
// 此处的换成相应的读取xml文档的方式如dom或sax
// xml = readFile(path, "UTF-8");
/**
* 注意此处xml文件的内容，为纯字符串，没有xml文档的版本号
*/
//String str="<?xml version=\"1.0\" ?>"+"\r\n";
//str+="<!DOCTYPE cross-domain-policy SYSTEM \"http://www.adobe.com/xml/dtds/cross-domain-policy.dtd\">\r\n";
xml = "<cross-domain-policy>\r\n"
+"<site-control permitted-cross-domain-policies=\"master-only\"/>\r\n"
+ "<allow-access-from domain=\"*\" to-ports=\"1000-9999\"/>\r\n"
+ "</cross-domain-policy>";
System.out.println("policyfile文件路径: " + path);
System.out.println(xml);

// 启动843端口
createServerSocket(843);
new Thread(this).start();
}

// 启动服务器
private void createServerSocket(int port) {
try {
server = new ServerSocket(port);
System.out.println("服务监听端口：" + port);
} catch (IOException e) {
System.exit(1);
}
}

// 启动服务器线程
public void run() {
while (true) {
Socket client = null;
try {
// 接收客户端的连接
client = server.accept();

InputStreamReader input = new InputStreamReader(
client.getInputStream(), "UTF-8");
reader = new BufferedReader(input);
OutputStreamWriter output = new OutputStreamWriter(
client.getOutputStream(), "UTF-8");
writer = new BufferedWriter(output);

// 读取客户端发送的数据
StringBuilder data = new StringBuilder();
int c = 0;
while ((c = reader.read()) != -1) {
if (c != '\0')
data.append((char) c);
else
break;
}
String info = data.toString();
System.out.println("输入的请求: " + info);

// 接收到客户端的请求之后，将策略文件发送出去
if (info.indexOf("<policy-file-request/>") >= 0) {
writer.write(xml + "\0");
writer.flush();
System.out
.println("将安全策略文件发送至: " + client.getInetAddress());
} else {
writer.write("请求无法识别/0");
writer.flush();
System.out.println("请求无法识别: " + client.getInetAddress());
}
client.close();
} catch (Exception e) {
e.printStackTrace();
try {
// 发现异常关闭连接
if (client != null) {
client.close();
client = null;
}
} catch (IOException ex) {
ex.printStackTrace();
} finally {
// 调用垃圾收集方法
System.gc();
}
}
}
}

// 测试主函数
public static void main(String[] args) {
new SecurityXMLServer();
}
}

服务器主函数类:

package cn.jiabeis.socket;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.ServerSocket;
import java.net.Socket;

public class SocketDemo {
/**
* 作者 张首尚
*/
public static void main(String[] args) {
ServerSocket ss = null;
BufferedReader reader = null;
BufferedWriter writer = null;
try {
new SecurityXMLServer();
ss = new ServerSocket(2234);
Socket socket = ss.accept();
System.out.println("客户端已经连接成功");
reader = new BufferedReader(new InputStreamReader(
socket.getInputStream(), "UTF-8"));
writer = new BufferedWriter(new OutputStreamWriter(
socket.getOutputStream(),"UTF-8"));
// while (true) {
// if (reader.ready()) {
// String str = reader.readLine();
// System.out.println("socket" + str);
// if (str.equals("fwq")) {
// System.out.println("服务器回应\n");
// writer.write("dfgdfg==============\n");
// writer.flush();
// }
// if(str.indexOf("<policy-file-request/>") >= 0){
// String xml = "<cross-domain-policy>\r\n"
// +"<site-control permitted-cross-domain-policies=\"master-only\"/>\r\n"
// + "<allow-access-from domain=\"*\" to-ports=\"1000-9999\"/>\r\n"
// + "</cross-domain-policy>";
// writer.write(xml + "\0");
// writer.flush();
// }
// if (str.equals("tc")) {
// if (reader != null) {
// reader.close();
// reader = null;
// }
// if (writer != null) {
// writer.close();
// writer = null;
// }
// socket.close();
// ss.close();
// break;
// }
// }
// }
String msg;
while ((msg = reader.readLine()) != null) {
writer.write(msg+"\n");
writer.flush();
System.out.println(msg);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}