111

2026-04-23 00:44:39 +08:00
parent 685202dd55
commit 8047cfaa76
209 changed files with 2660 additions and 5560 deletions
--- a/flutter_monisuo/lib/ui/pages/trade/components/price_card.dart
+++ b/flutter_monisuo/lib/ui/pages/trade/components/price_card.dart
@@ -117,8 +117,7 @@ class PriceCard extends StatelessWidget {
  String _fmt(double? v) {
    if (v == null) return '--';
    if (v >= 1000) return v.toStringAsFixed(2);
-    if (v >= 1) return v.toStringAsFixed(4);
-    return v.toStringAsFixed(6);
+    return v.toStringAsFixed(4);
  }

  String _fmtVol(double? v) {
--- a/flutter_monisuo/lib/ui/pages/trade/components/split_trade_form.dart
+++ b/flutter_monisuo/lib/ui/pages/trade/components/split_trade_form.dart
@@ -55,6 +55,15 @@ class SplitTradeForm extends StatefulWidget {
 class _SplitTradeFormState extends State<SplitTradeForm>
    with SingleTickerProviderStateMixin {
  late TabController _tabController;
+  double _currentPercent = 0.0;
+
+  String _fmtAvailable(String raw) {
+    final v = double.tryParse(raw);
+    if (v == null || v == 0) return '0';
+    if (v >= 1) return v.toStringAsFixed(2);
+    if (v >= 0.01) return v.toStringAsFixed(4);
+    return v.toStringAsFixed(6);
+  }

  @override
  void initState() {
@@ -256,11 +265,21 @@ class _SplitTradeFormState extends State<SplitTradeForm>
        ),
        const SizedBox(height: AppSpacing.xs),

-        // 可用余额
-        Text(
-          '可用: $available ${_isBuy ? 'USDT' : (widget.coin?.code ?? '')}',
-          style: AppTextStyles.bodySmall(context)
-              .copyWith(color: context.colors.onSurfaceVariant),
+        // 可用余额 + 手续费
+        Row(
+          mainAxisAlignment: MainAxisAlignment.spaceBetween,
+          children: [
+            Text(
+              '可用: ${_fmtAvailable(available)} ${_isBuy ? 'USDT' : (widget.coin?.code ?? '')}',
+              style: AppTextStyles.bodySmall(context)
+                  .copyWith(color: context.colors.onSurfaceVariant),
+            ),
+            Text(
+              '手续费: 0%',
+              style: AppTextStyles.bodySmall(context)
+                  .copyWith(color: context.colors.onSurfaceVariant),
+            ),
+          ],
        ),
        const SizedBox(height: AppSpacing.sm),

@@ -276,7 +295,29 @@ class _SplitTradeFormState extends State<SplitTradeForm>
            _pctBtn(context, '100%', 1.0, onFillPercent),
          ],
        ),
-        const SizedBox(height: AppSpacing.sm),
+        const SizedBox(height: 2),
+
+        // 滑块选择仓位
+        SliderTheme(
+          data: SliderThemeData(
+            trackHeight: 3,
+            thumbShape: const RoundSliderThumbShape(enabledThumbRadius: 6),
+            overlayShape: const RoundSliderOverlayShape(overlayRadius: 12),
+            activeTrackColor: accentColor,
+            inactiveTrackColor: context.colors.surfaceContainerHighest,
+            thumbColor: accentColor,
+          ),
+          child: Slider(
+            value: _currentPercent.clamp(0.0, 1.0),
+            onChanged: (v) {
+              setState(() => _currentPercent = v);
+              onFillPercent(v);
+            },
+            min: 0.0,
+            max: 1.0,
+          ),
+        ),
+        const SizedBox(height: AppSpacing.xs),

        // 提交按钮
        SizedBox(
@@ -296,7 +337,7 @@ class _SplitTradeFormState extends State<SplitTradeForm>
            child: FittedBox(
              fit: BoxFit.scaleDown,
              child: Text(
-                '${_isBuy ? '买入' : '卖出'} ${widget.coin?.code ?? ''}',
+                '${_isBuy ? '買入' : '賣出'} ${widget.coin?.code ?? ''}',
                style: AppTextStyles.labelLarge(context)
                    .copyWith(color: Colors.white, fontWeight: FontWeight.w700),
              ),
@@ -308,20 +349,26 @@ class _SplitTradeFormState extends State<SplitTradeForm>
  }

  Widget _pctBtn(BuildContext context, String label, double pct, ValueChanged<double> onTap) {
+    final isActive = (_currentPercent - pct).abs() < 0.01;
    return Expanded(
      child: GestureDetector(
-        onTap: () => onTap(pct),
+        onTap: () {
+          setState(() => _currentPercent = pct);
+          onTap(pct);
+        },
        child: Container(
-          height: 28,
+          height: 26,
          decoration: BoxDecoration(
-            color: context.colors.surfaceContainerHighest.withValues(alpha: 0.4),
+            color: isActive
+                ? context.colors.primary.withValues(alpha: 0.15)
+                : context.colors.surfaceContainerHighest.withValues(alpha: 0.4),
            borderRadius: BorderRadius.circular(AppRadius.sm),
          ),
          child: Center(
            child: Text(label,
                style: AppTextStyles.bodySmall(context).copyWith(
-                    color: context.colors.onSurfaceVariant,
-                    fontWeight: FontWeight.w500)),
+                    color: isActive ? context.colors.primary : context.colors.onSurfaceVariant,
+                    fontWeight: isActive ? FontWeight.w600 : FontWeight.w500)),
          ),
        ),
      ),
--- a/flutter_monisuo/lib/ui/pages/trade/trade_page.dart
+++ b/flutter_monisuo/lib/ui/pages/trade/trade_page.dart
@@ -37,6 +37,7 @@ class _TradePageState extends State<TradePage>
  bool _isSellSubmitting = false;
  int _orderType = 1;
  double _realtimePrice = 0;
+  double _currentBuyPercent = 0.0;

  final _buyPriceController = TextEditingController();
  final _buyQuantityController = TextEditingController();
@@ -695,10 +696,9 @@ class _TradePageState extends State<TradePage>
    if (_selectedCoin == null) return false;
    final qty = double.tryParse(_buyQuantityController.text) ?? 0;
    if (qty <= 0) return false;
-    final price = double.tryParse(_buyPriceController.text) ?? 0;
-    final amount = price * qty;
+    // 只要有余额就可以买，后端会微调价格确保成交
    final available = double.tryParse(_availableUsdt) ?? 0;
-    return amount <= available;
+    return available > 0;
  }

  bool _canSell() {
@@ -710,13 +710,12 @@ class _TradePageState extends State<TradePage>
  }

  void _buyFillPercent(double pct) {
+    _currentBuyPercent = pct;
    final price = _orderType == 1 ? _realtimePrice : (double.tryParse(_buyPriceController.text) ?? 0);
    final available = double.tryParse(_availableUsdt) ?? 0;
    if (price <= 0) return;
-    // 100%时留极小余量防精度误差
-    final safePct = pct >= 1.0 ? 0.9999 : pct;
-    final qty = (available / price) * safePct;
-    _buyQuantityController.text = qty < 0.0001 ? '' : ((qty * 10000).truncateToDouble() / 10000).toStringAsFixed(4);
+    final qty = (available / price * pct * 10000).truncateToDouble() / 10000;
+    _buyQuantityController.text = qty < 0.0001 ? '' : qty.toStringAsFixed(4);
    setState(() {});
  }

@@ -732,11 +731,24 @@ class _TradePageState extends State<TradePage>
    final priceController = isBuy ? _buyPriceController : _sellPriceController;
    final qtyController = isBuy ? _buyQuantityController : _sellQuantityController;

-    final price = priceController.text;
+    String price = priceController.text;
    final quantity = qtyController.text;
    final coinCode = _selectedCoin!.code;
    final typeLabel = _orderType == 1 ? '市价单' : '限价单';

+    // 买入时：按所选仓位百分比重算价格，确保 价格×数量=仓位金额
+    if (isBuy && _currentBuyPercent > 0) {
+      final available = double.tryParse(_availableUsdt) ?? 0;
+      final qty = double.tryParse(quantity) ?? 0;
+      if (qty > 0 && available > 0) {
+        final positionAmount = available * _currentBuyPercent;
+        final adjustedPrice = positionAmount / qty;
+        price = adjustedPrice.toStringAsFixed(8);
+      }
+    }
+
+    final displayAmount = ((double.tryParse(price) ?? 0) * (double.tryParse(quantity) ?? 0)).toStringAsFixed(2);
+
    final confirmed = await showDialog<bool>(
      context: context,
      builder: (ctx) => ConfirmDialog(
@@ -744,7 +756,7 @@ class _TradePageState extends State<TradePage>
        coinCode: coinCode,
        price: price,
        quantity: quantity,
-        amount: ((double.tryParse(price) ?? 0) * (double.tryParse(quantity) ?? 0)).toStringAsFixed(2),
+        amount: displayAmount,
      ),
    );

@@ -757,20 +769,39 @@ class _TradePageState extends State<TradePage>

    try {
      final tradeService = context.read<TradeService>();
-      final response = isBuy
+      var response = isBuy
          ? await tradeService.buy(coinCode: coinCode, price: price, quantity: quantity, orderType: _orderType)
          : await tradeService.sell(coinCode: coinCode, price: price, quantity: quantity, orderType: _orderType);

      if (!mounted) return;

+      // 买入次数用完 → 弹出交易码输入框重试
+      if (isBuy && !response.success &&
+          (response.message?.contains('次數') == true || response.message?.contains('交易碼') == true)) {
+        final code = await _showTradeCodeDialog(response.message ?? '請輸入交易碼');
+        if (code != null && code.isNotEmpty && mounted) {
+          response = await tradeService.buy(
+            coinCode: coinCode, price: price, quantity: quantity,
+            orderType: _orderType, tradeCode: code,
+          );
+        } else {
+          return;
+        }
+      }
+
+      if (!mounted) return;
+
      if (response.success) {
        qtyController.clear();
        context.read<AssetProvider>().refreshAll(force: true);
        context.read<AppEventBus>().fire(AppEventType.assetChanged);
        _loadPendingOrders();
-        final msg = _orderType == 2
-            ? '$typeLabel委托成功: $quantity $coinCode @ $price USDT'
-            : '$typeLabel: $quantity $coinCode @ $price USDT';
+        final resultAmount = response.data?['amount'];
+        final resultQty = response.data?['quantity'];
+        final resultPrice = response.data?['price'];
+        final msg = isBuy
+            ? '買入 ${resultQty ?? quantity} $coinCode\n成交金額: ${resultAmount != null ? (double.tryParse(resultAmount.toString())?.toStringAsFixed(2) ?? displayAmount) : displayAmount} USDT'
+            : '賣出 ${resultQty ?? quantity} $coinCode\n成交金額: ${resultAmount != null ? (double.tryParse(resultAmount.toString())?.toStringAsFixed(2) ?? displayAmount) : displayAmount} USDT';
        _showResultDialog(true, isBuy ? '買入成功' : '賣出成功', msg);
      } else {
        _showResultDialog(false, '交易失敗', response.message ?? '請稍後重試');
@@ -787,6 +818,51 @@ class _TradePageState extends State<TradePage>
    }
  }

+  Future<String?> _showTradeCodeDialog(String hint) {
+    final controller = TextEditingController();
+    return showDialog<String>(
+      context: context,
+      barrierDismissible: false,
+      builder: (ctx) => AlertDialog(
+        title: const Text('需要交易碼'),
+        content: Column(
+          mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Text(hint, style: AppTextStyles.bodySmall(ctx)),
+            const SizedBox(height: AppSpacing.md),
+            TextField(
+              controller: controller,
+              autofocus: true,
+              textCapitalization: TextCapitalization.characters,
+              style: AppTextStyles.headlineMedium(ctx),
+              keyboardType: TextInputType.text,
+              decoration: InputDecoration(
+                hintText: '請輸入交易碼',
+                filled: true,
+                fillColor: ctx.colors.surfaceContainerHighest.withValues(alpha: 0.3),
+                border: OutlineInputBorder(
+                  borderRadius: BorderRadius.circular(AppRadius.sm),
+                  borderSide: BorderSide.none,
+                ),
+              ),
+            ),
+          ],
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.of(ctx).pop(null),
+            child: const Text('取消'),
+          ),
+          ElevatedButton(
+            onPressed: () => Navigator.of(ctx).pop(controller.text.trim()),
+            child: const Text('確認'),
+          ),
+        ],
+      ),
+    );
+  }
+
  void _showResultDialog(bool success, String title, String message) {
    showDialog(
      context: context,