82 lines
2.3 KiB
Dart
82 lines
2.3 KiB
Dart
/// 格式化时间
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String formatDate(dynamic date, [String format = 'YYYY-MM-DD hh:mm:ss']) {
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DateTime dateTime;
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if (date is String) {
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// 如果是字符串类型，尝试将其解析为 DateTime
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dateTime = DateTime.tryParse(date) ?? DateTime.now();
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} else if (date is DateTime) {
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// 如果是 DateTime 类型，直接使用
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dateTime = date;
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} else {
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// 如果不是合法的输入类型，默认使用当前时间
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dateTime = DateTime.now();
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}
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final yyyy = dateTime.year.toString();
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final MM = (dateTime.month).toString().padLeft(2, '0');
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final dd = (dateTime.day).toString().padLeft(2, '0');
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final HH = (dateTime.hour).toString().padLeft(2, '0');
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final mm = (dateTime.minute).toString().padLeft(2, '0');
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final ss = (dateTime.second).toString().padLeft(2, '0');
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String result = format
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.replaceFirst(RegExp('YYYY'), '$yyyy')
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.replaceFirst(RegExp('MM'), MM)
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.replaceFirst(RegExp('DD'), dd)
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.replaceFirst(RegExp('hh'), HH)
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.replaceFirst(RegExp('mm'), mm)
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.replaceFirst(RegExp('ss'), ss);
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return result;
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}
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/// 将秒数格式化为 00:00 或 00:00:00
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/// - [seconds]: 秒数
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/// - [format]: 格式化字符串，默认为 "hh:mm:ss"
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String formatSeconds(
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int seconds, [
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String format = 'hh:mm:ss',
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]) {
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if (seconds < 0) seconds = 0;
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int h = seconds ~/ 3600;
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int m = (seconds % 3600) ~/ 60;
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int s = seconds % 60;
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String two(int n) => n.toString().padLeft(2, '0');
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// 支持以下 token：
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// hh = 补零小时, h = 不补零小时
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// mm = 补零分钟, m = 不补零分钟
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// ss = 补零秒, s = 不补零秒
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final replacements = {
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'hh': two(h),
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'mm': two(m),
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'ss': two(s),
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'h': h.toString(),
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'm': m.toString(),
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's': s.toString(),
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};
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String result = format;
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replacements.forEach((key, value) {
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result = result.replaceAll(key, value);
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});
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return result;
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}
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/// 将 "HH", "HH:mm" 或 "HH:mm:ss" 转为当天 DateTime
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DateTime parseTime(String timeStr) {
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final now = DateTime.now();
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final parts = timeStr.split(':').map(int.parse).toList();
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final hour = parts.length > 0 ? parts[0] : 0;
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final minute = parts.length > 1 ? parts[1] : 0;
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final second = parts.length > 2 ? parts[2] : 0;
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return DateTime(now.year, now.month, now.day, hour, minute, second);
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}
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