65 lines
1.7 KiB
Dart
65 lines
1.7 KiB
Dart
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/// 账单模型
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class BillModel {
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final String id;
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final String billNo;
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final String userName;
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final String userAddress;
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final String meterNo;
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final double previousReading;
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final double currentReading;
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final double usage;
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final double amount;
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final String status; // unpaid, paid, overdue
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final String period;
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final DateTime dueDate;
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BillModel({
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required this.id,
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required this.billNo,
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required this.userName,
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required this.userAddress,
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required this.meterNo,
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required this.previousReading,
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required this.currentReading,
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required this.usage,
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required this.amount,
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required this.status,
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required this.period,
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required this.dueDate,
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});
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factory BillModel.fromJson(Map<String, dynamic> json) {
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return BillModel(
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id: json['id']?.toString() ?? '',
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billNo: json['billNo'] ?? '',
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userName: json['userName'] ?? '',
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userAddress: json['userAddress'] ?? '',
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meterNo: json['meterNo'] ?? '',
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previousReading: (json['previousReading'] ?? 0).toDouble(),
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currentReading: (json['currentReading'] ?? 0).toDouble(),
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usage: (json['usage'] ?? 0).toDouble(),
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amount: (json['amount'] ?? 0).toDouble(),
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status: json['status'] ?? 'unpaid',
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period: json['period'] ?? '',
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dueDate: DateTime.tryParse(json['dueDate'] ?? '') ?? DateTime.now(),
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);
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}
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Map<String, dynamic> toJson() {
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return {
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'id': id,
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'billNo': billNo,
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'userName': userName,
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'userAddress': userAddress,
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'meterNo': meterNo,
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'previousReading': previousReading,
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'currentReading': currentReading,
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'usage': usage,
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'amount': amount,
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'status': status,
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'period': period,
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'dueDate': dueDate.toIso8601String(),
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};
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}
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}
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