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sion
2026-03-30 00:30:42 +08:00
parent 41c1288616
commit 2a901de2c3
27 changed files with 1324 additions and 650 deletions
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671
flutter_monisuo/lib/ui/pages/trade/trade_page.dart
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@@ -84,10 +84,8 @@ class _TradePageState extends State<TradePage>
if (price <= 0) return '0';
if (_tradeType == 0) {
// 买入：最大 = USDT 余额
return _availableUsdt;
} else {
// 卖出：最大 = 持有数量 × 当前价格
final qty = double.tryParse(_availableCoinQty) ?? 0;
return (qty * price).toStringAsFixed(2);
}
@@ -118,7 +116,10 @@ class _TradePageState extends State<TradePage>
_CoinSelector(
selectedCoin: _selectedCoin,
coins: market.allCoins
.where((c) => c.code != 'USDT')
.where((c) =>
c.code != 'USDT' &&
c.code != 'BTC' &&
c.code != 'ETH')
.toList(),
onCoinSelected: (coin) {
setState(() {
@@ -133,7 +134,7 @@ class _TradePageState extends State<TradePage>
if (_selectedCoin != null)
_PriceCard(coin: _selectedCoin!)
else
_PlaceholderCard(message: '请先选择交易币种'),
const _PlaceholderCard(message: '请先选择交易币种'),
SizedBox(height: AppSpacing.md),
@@ -197,7 +198,13 @@ class _TradePageState extends State<TradePage>
bool _canTrade() {
if (_selectedCoin == null) return false;
final amount = double.tryParse(_amountController.text) ?? 0;
return amount > 0;
if (amount <= 0) return false;
// 买入时校验不超过可用USDT
if (_tradeType == 0) {
final available = double.tryParse(_availableUsdt) ?? 0;
if (amount > available) return false;
}
return true;
}
void _fillPercent(double pct) {
@@ -524,22 +531,52 @@ class _CoinSelector extends StatelessWidget {
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// 第一行：币种代码 + 价格 + 涨跌幅
Row(
children: [
Text(coin.code,
style: GoogleFonts.spaceGrotesk(
fontSize: 16,
fontSize: 15,
fontWeight: FontWeight.bold,
color: colorScheme.onSurface,
)),
SizedBox(width: AppSpacing.xs),
Text('/USDT',
style: TextStyle(
fontSize: 12,
fontSize: 11,
color: colorScheme.onSurfaceVariant,
)),
const Spacer(),
Text('\$${coin.formattedPrice}',
style: GoogleFonts.spaceGrotesk(
fontSize: 13,
fontWeight: FontWeight.w600,
color: colorScheme.onSurface,
)),
SizedBox(width: AppSpacing.sm),
Container(
padding: EdgeInsets.symmetric(
horizontal: 6, vertical: 2),
decoration: BoxDecoration(
color: changeColor.withOpacity(0.1),
borderRadius: BorderRadius.circular(AppRadius.sm),
),
child: Text(coin.formattedChange,
style: TextStyle(
fontSize: 11,
color: changeColor,
fontWeight: FontWeight.w600,
)),
),
if (isSelected) ...[
SizedBox(width: AppSpacing.sm),
Icon(LucideIcons.check,
size: 16, color: colorScheme.primary),
],
],
),
SizedBox(height: 3),
// 第二行：币种名称
Text(coin.name,
style: TextStyle(
fontSize: 12,
@@ -548,27 +585,6 @@ class _CoinSelector extends StatelessWidget {
],
),
),
Column(
crossAxisAlignment: CrossAxisAlignment.end,
children: [
Text('\$${coin.formattedPrice}',
style: GoogleFonts.spaceGrotesk(
fontSize: 14,
fontWeight: FontWeight.w600,
color: colorScheme.onSurface,
)),
Text(coin.formattedChange,
style: TextStyle(
fontSize: 12,
color: changeColor,
fontWeight: FontWeight.w600,
)),
],
),
if (isSelected) ...[
SizedBox(width: AppSpacing.sm),
Icon(LucideIcons.check, size: 18, color: colorScheme.primary),
],
],
),
),
@@ -604,7 +620,7 @@ class _CoinAvatar extends StatelessWidget {
}
}
/// 价格卡片
/// 价格卡片 - 重新设计
class _PriceCard extends StatelessWidget {
final Coin coin;
const _PriceCard({required this.coin});
@@ -613,48 +629,81 @@ class _PriceCard extends StatelessWidget {
Widget build(BuildContext context) {
final colorScheme = Theme.of(context).colorScheme;
final isDark = Theme.of(context).brightness == Brightness.dark;
final color =
coin.isUp ? AppColorScheme.getUpColor(isDark) : AppColorScheme.down;
final bgColor = coin.isUp
final isUp = coin.isUp;
final changeColor =
isUp ? AppColorScheme.getUpColor(isDark) : AppColorScheme.down;
final changeBgColor = isUp
? AppColorScheme.getUpBackgroundColor(isDark)
: colorScheme.error.withOpacity(0.1);
return GlassPanel(
padding: EdgeInsets.all(AppSpacing.lg),
padding: EdgeInsets.symmetric(
horizontal: AppSpacing.lg, vertical: AppSpacing.md + AppSpacing.sm),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('最新价',
style: TextStyle(
fontSize: 12,
color: colorScheme.onSurfaceVariant,
)),
SizedBox(height: AppSpacing.xs),
Text(
'\$${coin.formattedPrice}',
style: GoogleFonts.spaceGrotesk(
fontSize: 28,
fontWeight: FontWeight.bold,
color: colorScheme.onSurface,
// 左侧：币种标签 + 价格
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Container(
padding: EdgeInsets.symmetric(
horizontal: AppSpacing.sm, vertical: 2),
decoration: BoxDecoration(
color: colorScheme.primary.withOpacity(0.08),
borderRadius: BorderRadius.circular(AppRadius.sm),
),
child: Text(
'${coin.code}/USDT',
style: TextStyle(
fontSize: 11,
fontWeight: FontWeight.w600,
color: colorScheme.primary,
),
),
),
],
),
),
],
SizedBox(height: AppSpacing.sm),
Text(
'\$${coin.formattedPrice}',
style: GoogleFonts.spaceGrotesk(
fontSize: 30,
fontWeight: FontWeight.bold,
color: colorScheme.onSurface,
),
),
],
),
),
// 右侧：涨跌幅
Container(
padding: EdgeInsets.symmetric(
horizontal: AppSpacing.md, vertical: AppSpacing.sm),
horizontal: AppSpacing.md, vertical: AppSpacing.sm + 2),
decoration: BoxDecoration(
color: bgColor,
borderRadius: BorderRadius.circular(AppRadius.md),
border: Border.all(color: color.withOpacity(0.2)),
color: changeBgColor,
borderRadius: BorderRadius.circular(AppRadius.lg),
border: Border.all(color: changeColor.withOpacity(0.15)),
),
child: Text(
coin.formattedChange,
style: TextStyle(
fontSize: 16, color: color, fontWeight: FontWeight.w700),
child: Column(
children: [
Text(
'24h',
style: TextStyle(
fontSize: 10,
color: changeColor.withOpacity(0.7),
fontWeight: FontWeight.w500,
),
),
SizedBox(height: 2),
Text(
coin.formattedChange,
style: TextStyle(
fontSize: 16, color: changeColor, fontWeight: FontWeight.w700),
),
],
),
),
],
@@ -684,7 +733,7 @@ class _PlaceholderCard extends StatelessWidget {
}
}
/// 交易表单卡片
/// 交易表单卡片 - 重新设计
class _TradeFormCard extends StatelessWidget {
final int tradeType;
final Coin? selectedCoin;
@@ -721,9 +770,9 @@ class _TradeFormCard extends StatelessWidget {
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// 买入/卖出切换
// 买入/卖出切换 - 重新设计
Container(
padding: EdgeInsets.all(AppSpacing.xs),
padding: EdgeInsets.all(4),
decoration: BoxDecoration(
color: colorScheme.surfaceContainerLowest,
borderRadius: BorderRadius.circular(AppRadius.xl),
@@ -731,11 +780,25 @@ class _TradeFormCard extends StatelessWidget {
child: Row(
children: [
Expanded(
child: _typeButton('买入', isBuy, AppColorScheme.up, () => onTradeTypeChanged(0)),
child: _buildTypeButton(
context: context,
label: '买入',
isActive: isBuy,
color: AppColorScheme.up,
icon: LucideIcons.trendingUp,
onTap: () => onTradeTypeChanged(0),
),
),
SizedBox(width: AppSpacing.sm),
SizedBox(width: 4),
Expanded(
child: _typeButton('卖出', !isBuy, AppColorScheme.down, () => onTradeTypeChanged(1)),
child: _buildTypeButton(
context: context,
label: '卖出',
isActive: !isBuy,
color: AppColorScheme.down,
icon: LucideIcons.trendingDown,
onTap: () => onTradeTypeChanged(1),
),
),
],
),
@@ -743,157 +806,188 @@ class _TradeFormCard extends StatelessWidget {
SizedBox(height: AppSpacing.lg),
// 交易金额输入
Text('交易金额 (USDT)',
style: TextStyle(
fontSize: 10,
fontWeight: FontWeight.w700,
letterSpacing: 0.2,
color: colorScheme.onSurfaceVariant,
)),
SizedBox(height: AppSpacing.xs),
Container(
decoration: BoxDecoration(
color: colorScheme.surfaceContainerLowest,
borderRadius: BorderRadius.circular(AppRadius.xl),
border: Border.all(color: colorScheme.outlineVariant.withOpacity(0.3)),
),
child: TextField(
controller: amountController,
keyboardType: const TextInputType.numberWithOptions(decimal: true),
onChanged: (_) => onAmountChanged(),
style: GoogleFonts.spaceGrotesk(
fontSize: 20,
fontWeight: FontWeight.bold,
color: colorScheme.onSurface,
),
decoration: InputDecoration(
hintText: '输入金额',
hintStyle: TextStyle(
color: colorScheme.outlineVariant.withOpacity(0.5)),
border: InputBorder.none,
contentPadding: EdgeInsets.symmetric(
horizontal: AppSpacing.md,
vertical: AppSpacing.md,
),
suffixIcon: Padding(
padding: EdgeInsets.only(right: AppSpacing.sm),
child: Text('USDT',
style: TextStyle(
fontSize: 12,
fontWeight: FontWeight.bold,
color: colorScheme.onSurfaceVariant,
)),
),
suffixIconConstraints: const BoxConstraints(minWidth: 50),
),
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text('交易金额',
style: TextStyle(
fontSize: 13,
fontWeight: FontWeight.w600,
color: colorScheme.onSurface,
)),
Text('USDT',
style: GoogleFonts.spaceGrotesk(
fontSize: 11,
fontWeight: FontWeight.w700,
color: actionColor.withOpacity(0.7),
letterSpacing: 0.5,
)),
],
),
SizedBox(height: AppSpacing.sm),
_AmountInput(
amountController: amountController,
maxAmount: maxAmount,
isBuy: isBuy,
actionColor: actionColor,
onChanged: onAmountChanged,
),
SizedBox(height: AppSpacing.sm),
// 快捷比例按钮
// 快捷比例按钮 - 药丸样式
Row(
children: [
_pctButton('25%', 0.25, colorScheme),
SizedBox(width: AppSpacing.xs),
_pctButton('50%', 0.5, colorScheme),
SizedBox(width: AppSpacing.xs),
_pctButton('75%', 0.75, colorScheme),
SizedBox(width: AppSpacing.xs),
_pctButton('全部', 1.0, colorScheme),
_buildPctButton('25%', 0.25, colorScheme, actionColor),
SizedBox(width: 6),
_buildPctButton('50%', 0.5, colorScheme, actionColor),
SizedBox(width: 6),
_buildPctButton('75%', 0.75, colorScheme, actionColor),
SizedBox(width: 6),
_buildPctButton('全部', 1.0, colorScheme, actionColor),
],
),
SizedBox(height: AppSpacing.lg),
// 预计数量
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text('预计数量',
style: TextStyle(
fontSize: 13,
color: colorScheme.onSurfaceVariant,
)),
Text(
'$calculatedQuantity ${selectedCoin?.code ?? ''}',
style: GoogleFonts.spaceGrotesk(
fontSize: 14,
fontWeight: FontWeight.w600,
color: colorScheme.onSurface,
// 预计数量 + 可用余额 - 卡片样式
Container(
padding: EdgeInsets.all(AppSpacing.md),
decoration: BoxDecoration(
color: colorScheme.surfaceContainerLowest,
borderRadius: BorderRadius.circular(AppRadius.lg),
border: Border.all(
color: colorScheme.outlineVariant.withOpacity(0.1)),
),
child: Column(
children: [
// 预计数量
Row(
children: [
Icon(LucideIcons.calculator,
size: 14, color: colorScheme.onSurfaceVariant),
SizedBox(width: AppSpacing.sm),
Text('预计数量',
style: TextStyle(
fontSize: 12,
color: colorScheme.onSurfaceVariant,
)),
const Spacer(),
Text(
'$calculatedQuantity ${selectedCoin?.code ?? ''}',
style: GoogleFonts.spaceGrotesk(
fontSize: 14,
fontWeight: FontWeight.w600,
color: colorScheme.onSurface,
),
),
],
),
),
],
),
SizedBox(height: AppSpacing.md),
// 可用余额
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(isBuy ? '可用 USDT' : '可用 ${selectedCoin?.code ?? ""}',
style: TextStyle(
fontSize: 13,
color: colorScheme.onSurfaceVariant,
)),
Text(
isBuy
? '$availableUsdt USDT'
: '$availableCoinQty ${selectedCoin?.code ?? ""}',
style: GoogleFonts.spaceGrotesk(
fontSize: 14,
fontWeight: FontWeight.w600,
color: colorScheme.onSurface,
Padding(
padding: EdgeInsets.symmetric(vertical: AppSpacing.sm),
child: Divider(
height: 1,
color: colorScheme.outlineVariant.withOpacity(0.08)),
),
),
],
// 可用余额
Row(
children: [
Icon(LucideIcons.wallet,
size: 14, color: colorScheme.onSurfaceVariant),
SizedBox(width: AppSpacing.sm),
Text(isBuy ? '可用 USDT' : '可用 ${selectedCoin?.code ?? ""}',
style: TextStyle(
fontSize: 12,
color: colorScheme.onSurfaceVariant,
)),
const Spacer(),
Text(
isBuy
? '$availableUsdt USDT'
: '$availableCoinQty ${selectedCoin?.code ?? ""}',
style: GoogleFonts.spaceGrotesk(
fontSize: 14,
fontWeight: FontWeight.w600,
color: colorScheme.onSurface,
),
),
],
),
],
),
),
],
),
);
}
Widget _typeButton(
String label, bool isActive, Color color, VoidCallback onTap) {
/// 买入/卖出切换按钮 - 实心填充 + 图标 + 光效
Widget _buildTypeButton({
required BuildContext context,
required String label,
required bool isActive,
required Color color,
required IconData icon,
required VoidCallback onTap,
}) {
return GestureDetector(
onTap: onTap,
child: AnimatedContainer(
duration: const Duration(milliseconds: 200),
padding: EdgeInsets.symmetric(vertical: AppSpacing.sm + AppSpacing.xs),
duration: const Duration(milliseconds: 250),
curve: Curves.easeInOut,
padding: EdgeInsets.symmetric(vertical: AppSpacing.sm + 4),
decoration: BoxDecoration(
color: isActive ? color.withOpacity(0.15) : Colors.transparent,
borderRadius: BorderRadius.circular(AppRadius.md),
border: isActive ? null : Border.all(color: color.withOpacity(0.3)),
color: isActive ? color : Colors.transparent,
borderRadius: BorderRadius.circular(AppRadius.lg),
boxShadow: isActive
? [
BoxShadow(
color: color.withOpacity(0.35),
blurRadius: 16,
offset: const Offset(0, 4),
),
]
: null,
),
child: Center(
child: Text(
label,
style: TextStyle(
color: isActive ? color : color.withOpacity(0.7),
fontWeight: FontWeight.w700,
fontSize: 14,
letterSpacing: 0.5,
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(icon,
size: 16,
color: isActive ? Colors.white : color.withOpacity(0.5)),
SizedBox(width: AppSpacing.xs),
Text(
label,
style: TextStyle(
color: isActive ? Colors.white : color.withOpacity(0.5),
fontWeight: FontWeight.w700,
fontSize: 15,
letterSpacing: 0.5,
),
),
),
],
),
),
);
}
Widget _pctButton(String label, double pct, ColorScheme colorScheme) {
/// 百分比按钮 - 药丸样式
Widget _buildPctButton(
String label, double pct, ColorScheme colorScheme, Color actionColor) {
return Expanded(
child: GestureDetector(
onTap: () => onFillPercent(pct),
child: Container(
padding: EdgeInsets.symmetric(vertical: AppSpacing.xs + 2),
padding: EdgeInsets.symmetric(vertical: AppSpacing.sm - 2),
decoration: BoxDecoration(
color: colorScheme.surfaceContainerHigh,
borderRadius: BorderRadius.circular(AppRadius.sm),
color: actionColor.withOpacity(0.06),
borderRadius: BorderRadius.circular(AppRadius.full),
border: Border.all(color: actionColor.withOpacity(0.12)),
),
child: Center(
child: Text(label,
style: TextStyle(
fontSize: 12,
fontWeight: FontWeight.w600,
color: colorScheme.onSurfaceVariant,
color: actionColor.withOpacity(0.8),
)),
),
),
@@ -902,7 +996,7 @@ class _TradeFormCard extends StatelessWidget {
}
}
/// 交易按钮
/// 交易按钮 - 使用 NeonButton 风格
class _TradeButton extends StatelessWidget {
final bool isBuy;
final String? coinCode;
@@ -921,42 +1015,199 @@ class _TradeButton extends StatelessWidget {
@override
Widget build(BuildContext context) {
final colorScheme = Theme.of(context).colorScheme;
final isDark = Theme.of(context).brightness == Brightness.dark;
final actionColor = isBuy ? AppColorScheme.up : AppColorScheme.down;
final gradient = isBuy
? AppColorScheme.getBuyGradient(isDark)
: AppColorScheme.sellGradient;
return SizedBox(
width: double.infinity,
height: 52,
child: ElevatedButton(
onPressed: enabled ? onPressed : null,
style: ElevatedButton.styleFrom(
backgroundColor:
isBuy ? AppColorScheme.up : AppColorScheme.down,
disabledBackgroundColor: colorScheme.onSurface.withOpacity(0.12),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(AppRadius.xl),
),
elevation: isBuy && enabled ? 4 : 0,
shadowColor:
isBuy ? AppColorScheme.up.withOpacity(0.3) : Colors.transparent,
return GestureDetector(
onTap: enabled ? onPressed : null,
child: AnimatedContainer(
duration: const Duration(milliseconds: 200),
height: 52,
decoration: BoxDecoration(
gradient: enabled ? gradient : null,
color: enabled ? null : colorScheme.onSurface.withOpacity(0.08),
borderRadius: BorderRadius.circular(AppRadius.xxl),
boxShadow: enabled
? [
BoxShadow(
color: actionColor.withOpacity(isDark ? 0.25 : 0.15),
blurRadius: 20,
offset: const Offset(0, 4),
),
]
: null,
),
child: isLoading
? SizedBox(
width: 20,
height: 20,
child: CircularProgressIndicator(
strokeWidth: 2,
color: isBuy ? Colors.black87 : Colors.white,
child: Center(
child: isLoading
? SizedBox(
width: 20,
height: 20,
child: CircularProgressIndicator(
strokeWidth: 2,
color: isBuy
? AppColorScheme.darkOnTertiary
: Colors.white,
),
)
: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
isBuy ? LucideIcons.trendingUp : LucideIcons.trendingDown,
size: 16,
color: enabled
? (isBuy
? AppColorScheme.darkOnTertiary
: Colors.white)
: colorScheme.onSurface.withOpacity(0.3),
),
SizedBox(width: AppSpacing.xs),
Text(
'${isBuy ? '买入' : '卖出'} ${coinCode ?? ""}',
style: GoogleFonts.spaceGrotesk(
fontSize: 16,
fontWeight: FontWeight.w700,
color: enabled
? (isBuy
? AppColorScheme.darkOnTertiary
: Colors.white)
: colorScheme.onSurface.withOpacity(0.3),
letterSpacing: 0.5,
),
),
],
),
)
: Text(
'${isBuy ? '买入' : '卖出'} ${coinCode ?? ""}',
style: GoogleFonts.spaceGrotesk(
fontSize: 16,
fontWeight: FontWeight.w700,
color: isBuy ? Colors.black87 : Colors.white,
letterSpacing: 1,
),
),
),
),
);
}
}
/// 金额输入框（含超额提示）
class _AmountInput extends StatefulWidget {
final TextEditingController amountController;
final String maxAmount;
final bool isBuy;
final Color actionColor;
final VoidCallback onChanged;
const _AmountInput({
required this.amountController,
required this.maxAmount,
required this.isBuy,
required this.actionColor,
required this.onChanged,
});
@override
State<_AmountInput> createState() => _AmountInputState();
}
class _AmountInputState extends State<_AmountInput> {
bool _isExceeded = false;
void _checkLimit() {
final input = double.tryParse(widget.amountController.text) ?? 0;
final max = double.tryParse(widget.maxAmount) ?? 0;
final exceeded = widget.isBuy && input > max && max > 0 && input > 0;
if (exceeded != _isExceeded) {
setState(() => _isExceeded = exceeded);
}
widget.onChanged();
}
@override
void initState() {
super.initState();
widget.amountController.addListener(_checkLimit);
}
@override
void dispose() {
widget.amountController.removeListener(_checkLimit);
super.dispose();
}
@override
Widget build(BuildContext context) {
final colorScheme = Theme.of(context).colorScheme;
final warningColor = AppColorScheme.warning;
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
decoration: BoxDecoration(
color: colorScheme.surfaceContainerLowest,
borderRadius: BorderRadius.circular(AppRadius.xl),
border: Border.all(
color: _isExceeded
? warningColor.withOpacity(0.5)
: widget.actionColor.withOpacity(0.15),
),
),
child: TextField(
controller: widget.amountController,
keyboardType: const TextInputType.numberWithOptions(decimal: true),
onChanged: (_) => _checkLimit(),
style: GoogleFonts.spaceGrotesk(
fontSize: 22,
fontWeight: FontWeight.bold,
color: colorScheme.onSurface,
),
decoration: InputDecoration(
hintText: '0.00',
hintStyle: TextStyle(
color: colorScheme.outlineVariant.withOpacity(0.4)),
border: InputBorder.none,
contentPadding: EdgeInsets.symmetric(
horizontal: AppSpacing.md,
vertical: AppSpacing.md,
),
suffixIcon: Padding(
padding: EdgeInsets.only(right: AppSpacing.sm),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Container(
padding: EdgeInsets.symmetric(
horizontal: AppSpacing.sm, vertical: AppSpacing.xs),
decoration: BoxDecoration(
color: widget.actionColor.withOpacity(0.08),
borderRadius: BorderRadius.circular(AppRadius.sm),
),
child: Text('USDT',
style: TextStyle(
fontSize: 11,
fontWeight: FontWeight.bold,
color: widget.actionColor.withOpacity(0.7),
)),
),
],
),
),
suffixIconConstraints: const BoxConstraints(minWidth: 60),
),
),
),
if (_isExceeded)
Padding(
padding: EdgeInsets.only(top: AppSpacing.xs),
child: Row(
children: [
Icon(Icons.error_outline, size: 13, color: warningColor),
SizedBox(width: 4),
Text(
'超出可用USDT余额',
style: TextStyle(fontSize: 11, color: warningColor),
),
],
),
),
],
);
}
}