feat:查询某个具体仓位

@@ -269,4 +269,17 @@ class CmBroker
         }
         return $newPositions;
     }
+    //获取某个品种的某个方向仓位
+    public function getPos($symbol, $posSide)
+    {
+        $symbolOri = $this->getSymbolOri($symbol, $this->plat);
+        if ($this->plat == 'okx') {
+            $posSide = strtolower($posSide);
+            $symbolInfo = $this->symbolInfos[$symbol];
+            $lot = $this->exBroker->getPos($symbolOri, $posSide);
+            $qty = round($lot * $symbolInfo->ctVal, $symbolInfo->qtyPrec);
+            return $qty;
+        }
+        return -1;
+    }
 }

@@ -327,4 +327,25 @@ class ExBroker
         }
         return $newPositions;
     }
+    //查询获取某个品种方向具体仓位
+    public function getPos($symbol, $posSide)
+    {
+        $param = [
+            'instType' => 'SWAP',
+            'instId' => $symbol,
+        ];
+        $res = $this->api->getPositions($param);
+        if ($res['code'] == 0) {
+            $positions = $res['data'];
+            foreach ($positions as $key => $value) {
+                if ($value['posSide'] == $posSide) {
+                    return abs($value['pos']);
+                }
+            }
+            return 0;
+        } else {
+            output($res);
+        }
+        return -1;
+    }
 }