feat：平台定义常量

@@ -35,6 +35,17 @@ use function jytools\timeFormat;
 
 class CmBroker
 {
+    const PLAT_OKX = 'okx';
+    const PLAT_BINANCE = 'binance';
+    const PLAT_BYBIT = 'bybit';
+    const PLAT_BITGET = 'bitget';
+    /**
+     * @var string 当前使用的交易平台
+     * @see PLAT_OKX
+     * @see PLAT_BINANCE
+     * @see PLAT_BYBIT 
+     * @see PLAT_BITGET
+     */
     public $plat;
     private ?OkxBroker $exBroker;
     /** @var SymbolInfo[] $symbolInfos */
@@ -49,10 +60,10 @@ class CmBroker
     {
         $this->plat = $plat;
         $exBroker = null;
-        if ($plat == 'okx') {
+        if ($plat == self::PLAT_OKX) {
             $exBroker = new OkxBroker($apiInfo);
         }
-        if ($plat == 'binance') {
+        if ($plat == self::PLAT_BINANCE) {
             $exBroker = new BinanceBroker($apiInfo);
         }
         $this->exBroker = $exBroker;
@@ -77,10 +88,10 @@ class CmBroker
     {
         $this->exBroker->accListen(function ($data) use ($onData) {
             // output("ws 有效数据", $data);
-            if ($this->plat == 'binance') {
+            if ($this->plat == self::PLAT_BINANCE) {
                 $this->msg("binance 无处理ws数据实现");
             }
-            if ($this->plat == 'okx') {
+            if ($this->plat == self::PLAT_OKX) {
                 if (isset($data['arg']) && $data['arg']['channel'] == 'orders') {
                     foreach ($data['data'] as $key => $value) {
                         $wsDataTrade = WsDataTrade::TransferOkxOrder($value, $this->symbolInfos, function ($symbol) {
@@ -155,10 +166,10 @@ class CmBroker
     public function getSymbolOri($symbol, $platTarget)
     {
         $symbolSt = $this->getSymbolSt($symbol);
-        if ($platTarget == 'binance') {
+        if ($platTarget == self::PLAT_BINANCE) {
             return $symbolSt;
         }
-        if ($platTarget == 'okx') {
+        if ($platTarget == self::PLAT_OKX) {
             return str_replace('USDT', '-USDT-SWAP', $symbolSt);
         }
         throw new Exception('平台错误' + $platTarget);
@@ -166,7 +177,7 @@ class CmBroker
 
     public function placeOrder(Order $order)
     {
-        if ($this->plat == 'okx') {
+        if ($this->plat == self::PLAT_OKX) {
             $orderOri = $order->toOkxOrder($this->symbolInfos, function ($symbol) {
                 return $this->getSymbolOri($symbol, $this->plat);
             });
@@ -209,7 +220,7 @@ class CmBroker
     }
     private function initSymbolInfos()
     {
-        if ($this->plat == 'okx') {
+        if ($this->plat == self::PLAT_OKX) {
             //获取所有USDT SWAP 交易对
             $res = $this->exBroker->getSymbolInfos();
             $infos = [];
@@ -250,7 +261,7 @@ class CmBroker
     public function getLevers()
     {
         $levers = $this->exBroker->getAllLevers();
-        if ($this->plat == 'okx') {
+        if ($this->plat == self::PLAT_OKX) {
             $resNew = [];
             foreach ($levers as $key => $value) {
                 $symbol = $this->getSymbolSt($key); //转换为标准交易对
@@ -287,7 +298,7 @@ class CmBroker
     public function getPos($symbol, $posSide)
     {
         $symbolOri = $this->getSymbolOri($symbol, $this->plat);
-        if ($this->plat == 'okx') {
+        if ($this->plat == self::PLAT_OKX) {
             $posSide = strtolower($posSide);
             $symbolInfo = $this->symbolInfos[$symbol];
             $lot = $this->exBroker->getPos($symbolOri, $posSide);
@@ -306,7 +317,7 @@ class CmBroker
     public function getKlines($symbol, $peroid, $limit = 100)
     {
         $symbolOri = $this->getSymbolOri($symbol, $this->plat);
-        if ($this->plat == 'okx') {
+        if ($this->plat == self::PLAT_OKX) {
             $res = $this->exBroker->getKlines($symbolOri, $peroid, $limit);
             if ($res['code'] != '0') {
                 return [];