可用资金小于0不能挂牌

src/views/market/spot_trade/components/post_buying/setup.ts

@@ -64,27 +64,29 @@ export function handleNumAndPrice(enumName: EnumRouterName, selectedRow: WrOrder
     function getMaxNum() {
         // 可用资金
         const canUseMoney = Number(getCanUseMoney(getSelectedAccount() as AccountListItem))
-        // 挂牌最大数量=可用资金/(买方履约保证金比例*挂牌价格)
-        let result = 0
-        if (isFloat()) {
-            const price = getPrice()
-            if (price !== '--') {
-                result = canUseMoney / (Number(price) * buymarginvalue)
-            }
-        } else {
-            const margin = marginMethod() ? (buymarginvalue * formState.FixedPrice) : (buymarginvalue + formState.FixedPrice)
-            if (margin) {
-                result = Math.round(canUseMoney / margin)
+        if (canUseMoney > 0) {
+            // 挂牌最大数量=可用资金/(买方履约保证金比例*挂牌价格)
+            let result = 0
+            if (isFloat()) {
+                const price = getPrice()
+                if (price !== '--') {
+                    result = canUseMoney / (Number(price) * buymarginvalue)
+                }
+            } else {
+                const margin = marginMethod() ? (buymarginvalue * formState.FixedPrice) : (buymarginvalue + formState.FixedPrice)
+                if (margin) {
+                    result = Math.round(canUseMoney / margin)
+                }
             }
-        }
 
-        if (buymarginvalue !== 0) {
-            return +result.toFixed(0)
-        } else {
-            // 当市场设置的买保证金为0时，不做数量限制
-            return 10000
+            if (buymarginvalue !== 0) {
+                return +result.toFixed(0)
+            } else {
+                // 当市场设置的买保证金为0时，不做数量限制
+                return 10000
+            }
         }
-
+        return 0
     }
     //  摘牌金额
     function getMoney() {