Enable ie6 to support websocket with flash Encapsulation

Ie9 does not support websocket, not to mention ie6, but websocket can develop so cool functions, how can we let ie stop us?
But what should I do?
Use flash for encapsulation

The specific flash code is as follows::
Copy codeThe Code is as follows:
Package {
Import flash. display. Stage;
Import flash. display. Sprite;
Import flash. events .*;
Import flash. external. ExternalInterface;
Import flash. system. Security;
Import flash. utils. Timer;
Import flash.net. Socket;
Import flash. utils. ByteArray;
Import flash. utils. Endian;
Public class websocket4ie extends Sprite {
Public static function main (): void
{
Var websocket4ie: websocket4ie = new websocket4ie ();
}
Private var debugEnabled: Boolean;
Private var movieName: String;
Private var handlers: String;
Private var server: String;
Private var port: Number;
Private var isDebug: Number;
Private var socket: Socket;
Private var socketBuffer: ByteArray = new ByteArray ();
Public function websocket4ie (){
Security. allowDomain ("*");
Var counter: Number = 0;
Root. addEventListener (Event. ENTER_FRAME, function (): void {if (++ counter> 100) counter = 0 ;});
This. movieName = root. loaderInfo. parameters. movieName;
This. handlers = root. loaderInfo. parameters. handlers;
This. server = root. loaderInfo. parameters. server;
This. port = root. loaderInfo. parameters. port;
This. isDebug = root. loaderInfo. parameters. debug;
This. debug (this. port + ''+ this. server );
Try {
This. debugEnabled = root. loaderInfo. parameters. debugEnabled = "true "? True: false;
} Catch (ex: Object ){
This. debugEnabled = false;
}
This. connectServer ();
ExternalInterface. addCallback ("sendData", this. sendData );
}
Public function connectServer (): void {
Socket = new Socket ();
Socket. endian = Endian. BIG_ENDIAN;
Socket. addEventListener (Event. CONNECT, onConnect );
Socket. addEventListener (Event. CLOSE, onClose );
Socket. addEventListener (IOErrorEvent. IO_ERROR, onIOError );
Socket. addEventListener (SecurityErrorEvent. SECURITY_ERROR, onSecurityError );
Socket. addEventListener (ProgressEvent. SOCKET_DATA, onSocketData );
Socket. connect (this. server, this. port );
This. socket = socket;
}
Public function onConnect (e: Event): void {
// Handshake
Var headers: Array = new Array ();
Headers. push ("GET/chat HTTP/1.1 \ r \ n ");
Headers. push ("Upgrade: websocket \ r \ n ");
Headers. push ("Connection: Upgrade \ r \ n ");
Headers. push ("Host:" + this. server + ":" + this. port + "\ r \ n ");
Headers. push ("Origin: null \ r \ n ");
Headers. push ("Sec-WebSocket-Key: 6z4eznfat00005/FEMYpqRuw ==\ r \ n ");
Headers. push ("Sec-WebSocket-Version: 13 \ r \ n ");
This. socket. writeUTFBytes (headers. join (''));
This. socket. flush ();
}
Public function onTrueConnect (): void {
ExternalInterface. call (this. handlers + ". onConnect", this. movieName );
}
Public function onClose (e: Event): void {
ExternalInterface. call (this. handlers + ". onClose", this. movieName, '1 ');
}
Public function onIOError (e: IOErrorEvent): void {
ExternalInterface. call (this. handlers + ". onClose", this. movieName, '2 ');
}
Public function onSecurityError (e: SecurityErrorEvent): void {
ExternalInterface. call (this. handlers + ". onClose", this. movieName, '3 ');
}
Public var step: String = "head ";
Public var position: Number = 0;
Public function readOnData (): void {
Var tmpPos: Number = this. position;
This. socketBuffer. position = this. position;
// Read a 0x81
If (this. socketBuffer. bytesAvailable> = 1 ){
Var h: Number = this. socketBuffer. readUnsignedByte ();
This. debug ("header:" + h );
This. position + = 1;
If (this. socketBuffer. bytesAvailable> = 1 ){
Var len: Number = this. socketBuffer. readUnsignedByte ();
This. debug ("Length:" + len );
This. position + = 1;
If (len <= 125 ){
If (this. socketBuffer. bytesAvailable> = len ){
This. onText (this. socketBuffer. readUTFBytes (len ));
This. position + = len;
This. readOnData ();
} Else {
This. position = tmpPos;
Return;
}
} Else if (len = 126 ){
If (this. socketBuffer. bytesAvailable> = 2 ){
Var trueLen: Number = this. socketBuffer. readUnsignedShort ();
If (this. socketBuffer. bytesAvailable> = trueLen ){
This. onText (this. socketBuffer. readUTFBytes (trueLen ));
This. position + = trueLen;
This. readOnData ();
}
} Else {
This. position = tmpPos;
Return;
}
}
} Else {
This. position = tmpPos;
Return;
}
} Else {
This. position = tmpPos;
Return;
}
}
Public function onText (text: String): void {
ExternalInterface. call (this. handlers + ". onData", this. movieName, text );
}
Public function writeBytes (bytes: ByteArray): void {
This. socketBuffer. position = this. socketBuffer. length;
This. socketBuffer. writeBytes (bytes, 0, bytes. length );
This. debug ("buffer data:" + this. socketBuffer. length );
This. readOnData ();
}
Public var is_head: Boolean = true;
Public var header: ByteArray = new ByteArray ();
Public var headers: Array = new Array ();
Public function onSocketData (e: Event): void {
Var bytes: ByteArray = new ByteArray ();
If (this. is_head ){
While (this. socket. bytesAvailable ){
Var x: Number = this. socket. readUnsignedByte ();
If (x = 0x81 ){
This. is_head = false;
Bytes. writeByte (0x81 );
This. debug (this. headers );
Break;
} Else {
This. header. writeByte (x );
If (x = 10 ){
This. header. position = 0;
This. headers. push (this. header. readUTFBytes (this. header. length ));
If (this. header. length = 2 ){
This. onTrueConnect ();
}
This. header = new ByteArray ();
}
Continue;
}
}
If (this. socket. bytesAvailable ){
This. socket. readBytes (bytes, 1, this. socket. bytesAvailable );
}
} Else {
This. socket. readBytes (bytes, 0, this. socket. bytesAvailable );
}
Bytes. position = 0;
This. writeBytes (bytes );
}
Public function sendData (text: String): void {
Var head: ByteArray = new ByteArray ();
Head. writeByte (0x81 );
Var body: ByteArray = new ByteArray ();
Body. writeUTFBytes (text );
Var len: Number = body. length;
If (len <= 125 ){
Head. writeByte (len );
} Else if (len <65536 ){
Head. writeByte (126 );
Head. writeShort (len );
} Else {
Head. writeByte (127 );
Head. writeUnsignedInt (len );
}
Body. position = 0;
Head. position = 0;
This. socket. writeBytes (head );
This. socket. writeBytes (body );
This. socket. flush ();
}
Public function debug (str: *): void {
If (this. isDebug ){
ExternalInterface. call (this. handlers + ". debug", this. movieName, str );
}
}
}
}

The js Code is as follows:
Copy codeThe Code is as follows:
Var handlers = {
'Connects': [],
'Onclose': function (index, flag ){
This. connects [index. replace ("socket _", "")]. onClose ();
},
'Onconnect ': function (index ){
This. connects [index. replace ("socket _", "")]. onConnect ();
},
'Ondata': function (index, text ){
This. connects [index. replace ("socket _", "")]. onData (text );
},
'Debug': function (index, str ){
Console. log (str );
}
};
Function socket4ie (){
This. debug = 0;
This. init = function (){
This. index = handlers. connects. length;
Handlers. connects. push (this );
}
This. connect = function (domain, port ){
This. createFlash (domain, port );
}
This. createFlash = function (domain, port ){
Var html = '<object id = "socket _' + this. index + '"type =" application/x-shockwave-flash "data =" websocket4ie.swf "width = 0 height = 0 class =" swfupload "> \
<Param name = "wmode" value = "window"> \
<Param name = "movie" value = "websocket4ie.swf"> \
<Param name = "quality" value = "high"> \
<Param name = "menu" value = "false"> \
<Param name = "allowScriptAccess" value = "always"> \
<Param name = "flashvars" value = "movieName = socket _ '+ this. index + '& handlers = handlers & server =' + domain + '& port =' + port + '& debug =' + this. debug + '"> </object> ';
Var div = document. createElement ('div ');
Div. id = "flash _" + this. index;
Div. innerHTML = html;
Document. body. appendChild (div );
}
This. onClose = function (){
}
This. onConnect = function (){
}
This. onData = function (text ){
}
This. init ();
}