39 lines
984 B
Dart
39 lines
984 B
Dart
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/// K 线数据模型
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class Candle {
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final int timestamp; // 毫秒时间戳
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final double open;
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final double high;
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final double low;
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final double close;
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final double volume;
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const Candle({
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required this.timestamp,
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required this.open,
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required this.high,
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required this.low,
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required this.close,
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required this.volume,
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});
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factory Candle.fromJson(Map<String, dynamic> json) {
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return Candle(
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timestamp: json['timestamp'] as int? ?? json['time'] as int? ?? 0,
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open: (json['open'] as num?)?.toDouble() ?? 0,
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high: (json['high'] as num?)?.toDouble() ?? 0,
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low: (json['low'] as num?)?.toDouble() ?? 0,
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close: (json['close'] as num?)?.toDouble() ?? 0,
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volume: (json['volume'] as num?)?.toDouble() ?? 0,
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);
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}
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Map<String, dynamic> toJson() => {
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'timestamp': timestamp,
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'open': open,
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'high': high,
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'low': low,
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'close': close,
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'volume': volume,
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};
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}
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