265 lines
8.3 KiB
Dart
265 lines
8.3 KiB
Dart
/// 封装常用函数
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library;
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import 'dart:math';
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import 'package:photo_manager/photo_manager.dart';
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import 'package:uuid/uuid.dart';
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class Utils {
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/// 随机字符串
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/// * [len] 字符串长度
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static guid({int len = 32}) {
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String str = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
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String chars = '';
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for (var i = 0; i < len; i++) {
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chars += str[Random().nextInt(str.length)];
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}
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return chars;
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}
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/// 获取全局唯一标识符uuid
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/// * [type] uuid类型
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/// * [namespace] 生成指定内容uuid
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/// https://pub.dev/packages/uuid
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static uuid({String type = 'v1', String? namespace}) {
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var uuid = const Uuid();
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switch (type) {
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// Generate a v1 (time-based) id
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case 'v1':
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return uuid.v1(); // -> '6c84fb90-12c4-11e1-840d-7b25c5ee775a'
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// Generate a v4 (random) id
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case 'v4':
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return uuid.v4();
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// Generate a v5 (namespace-name-sha1-based) id
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case 'v5':
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return uuid.v5(Namespace.url.value, namespace);
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// Generate a v6 (time-based) id
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case 'v6':
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return uuid.v6();
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// Generate a v7 (time-based) id
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case 'v7':
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return uuid.v7();
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// Generate a v8 (time-random) id
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case 'v8':
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return uuid.v8();
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}
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}
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/// 验证手机号是否正确
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/// * [tel] 手机号码
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static bool checkTel(tel) {
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if (tel == null || tel.trim().isEmpty) return false;
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final reg = RegExp(r'^1[3-9]\d{9}$');
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return reg.hasMatch(tel.trim());
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}
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/// 是否为空
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static bool isEmpty(val) {
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if (val == null) return true;
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if (val is bool && val == false) return true;
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if (val is String) return val.isEmpty;
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if (val is Iterable) return val.isEmpty;
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if (val is Map) return val.isEmpty;
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if (val is Set) return val.isEmpty;
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return false;
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}
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/// 网址正则
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static isUrl(path) {
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// 网址正则
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String urlExpString = r"(http|ftp|https)://([\w_-]+(?:(?:\.[\w_-]+)+))([\w.,@?^=%&:/~+#-]*[\w@?^=%&/~+#-])?";
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RegExp reg = RegExp(urlExpString);
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if (reg.hasMatch(path)) {
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return true;
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}
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return false;
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}
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/// 秒数转换为时分秒
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static secondsToHms(double seconds) {
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// String h = ((seconds / 3600) % 24).floor().toString().padLeft(2, '0');
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String m = (seconds % 3600 / 60).floor().toString().padLeft(2, '0');
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String s = (seconds % 3600 % 60).floor().toString().padLeft(2, '0');
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// return "$h:$m:$s";
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return "$m:$s";
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}
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//翻译媒体库title
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static String translateAlbumName(AssetPathEntity album) {
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// logger.i(album.name);
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final Map<String, String> albumNameMap = {
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'recents': '最近项目',
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'favorites': '收藏',
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'videos': '视频',
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'selfies': '自拍',
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'live photos': '实况照片',
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'portrait': '人像',
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'long exposure': '长曝光',
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'spatial': '空间照片',
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'panoramas': '全景',
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'time-lapse': '延时摄影',
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'slo-mo': '慢动作',
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'cinematic': '电影效果',
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'bursts': '连拍',
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'screenshots': '屏幕截图',
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'animated': '动图',
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'raw': 'RAW格式',
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'hidden': '已隐藏',
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'recent': '最近项目', // 安卓
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'camera': '相机', // 安卓
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};
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return albumNameMap[album.name.toLowerCase()] ?? album.name;
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}
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// 大数字转换
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static String graceNumber(dynamic value) {
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int number;
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if (value is int) {
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number = value;
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} else if (value is String) {
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number = int.tryParse(value) ?? 0;
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} else {
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number = 0;
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}
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if (number == 0) return "0";
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if (number < 1000) {
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return "$number";
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} else if (number < 10000) {
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double result = number / 1000;
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return "${_trimTrailingZero(result)}k";
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} else if (number < 100000000) {
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double result = number / 10000;
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return "${_trimTrailingZero(result)}w";
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} else {
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double result = number / 100000000;
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return "${_trimTrailingZero(result)}亿+";
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}
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}
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static String _trimTrailingZero(double number) {
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return number.toStringAsFixed(1).replaceAll(RegExp(r'\.0$'), '');
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}
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// 处理聊天消息时间
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static String formatChatTime(int timestamp) {
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// timestamp 是秒级时间戳，转成 DateTime
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DateTime dateTime = DateTime.fromMillisecondsSinceEpoch(timestamp * 1000);
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final now = DateTime.now();
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final today = DateTime(now.year, now.month, now.day);
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final msgDay = DateTime(dateTime.year, dateTime.month, dateTime.day);
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final difference = now.difference(dateTime);
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if (msgDay == today) {
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return _formatHourMinute(dateTime);
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} else if (msgDay == today.subtract(Duration(days: 1))) {
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return "昨天 ${_formatHourMinute(dateTime)}";
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} else if (difference.inDays < 7) {
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return "${_weekdayLabel(dateTime.weekday)} ${_formatHourMinute(dateTime)}";
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} else if (dateTime.year == now.year) {
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return "${dateTime.month}月${dateTime.day}日 ${_formatHourMinute(dateTime)}";
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} else {
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return "${dateTime.year}年${dateTime.month}月${dateTime.day}日 ${_formatHourMinute(dateTime)}";
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}
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}
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// 处理IM消息时间显示
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static String formatTime(int timestamp) {
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// 确保是毫秒级
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int ms = timestamp.toString().length == 10 ? timestamp * 1000 : timestamp;
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final messageTime = DateTime.fromMillisecondsSinceEpoch(ms).toLocal();
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final now = DateTime.now();
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bool isSameDay = messageTime.year == now.year && messageTime.month == now.month && messageTime.day == now.day;
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if (isSameDay) {
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// 同一天：显示时:分
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return '${messageTime.hour.toString().padLeft(2, '0')}:${messageTime.minute.toString().padLeft(2, '0')}';
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}
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if (messageTime.year == now.year) {
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// 同一年：显示月-日 时:分
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return '${messageTime.month.toString().padLeft(2, '0')}-'
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'${messageTime.day.toString().padLeft(2, '0')} '
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'${messageTime.hour.toString().padLeft(2, '0')}:'
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'${messageTime.minute.toString().padLeft(2, '0')}';
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}
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// 不同年：显示完整日期
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return '${messageTime.year}-'
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'${messageTime.month.toString().padLeft(2, '0')}-'
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'${messageTime.day.toString().padLeft(2, '0')} '
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'${messageTime.hour.toString().padLeft(2, '0')}:'
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'${messageTime.minute.toString().padLeft(2, '0')}';
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}
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static String _formatHourMinute(DateTime dt) {
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final hour = dt.hour.toString().padLeft(2, '0');
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final minute = dt.minute.toString().padLeft(2, '0');
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return "$hour:$minute";
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}
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static String _weekdayLabel(int weekday) {
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const weekdays = ["周一", "周二", "周三", "周四", "周五", "周六", "周日"];
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return weekdays[(weekday - 1) % 7];
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}
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static String getTipText(int realFollowType) {
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switch (realFollowType) {
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case 0:
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return '关注';
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case 1:
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return '已关注';
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case 2:
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return '回关';
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case 3:
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return '已互关';
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default:
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return '未知状态';
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}
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}
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// 处理IM的名字
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static String handleText(String? nameCard, String? nickName, String defaultValue) {
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if (nameCard != null && nameCard.trim().isNotEmpty) {
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return nameCard;
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}
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if (nickName != null && nickName.trim().isNotEmpty) {
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return nickName;
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}
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return defaultValue;
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}
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// MERCHANT(2, "商家"),
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// AGENT(3, "代理"),
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// PLATFORM(4, "平台"),
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// REFERENCE(5, "团长")
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// 规则是将int按string去拼接
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static bool hasRole(int roleValue, int targetRole) {
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return roleValue.toString().contains(targetRole.toString());
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}
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/// 计算时间差
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static int calcTime(String createTimeStr, {int validMinutes = 30}) {
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try {
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// 替换空格为 T，让 DateTime.parse 能识别
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String isoTimeStr = createTimeStr.replaceFirst(' ', 'T');
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DateTime createTime = DateTime.parse(isoTimeStr);
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DateTime now = DateTime.now();
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int totalSeconds = validMinutes * 60;
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int elapsedSeconds = now.difference(createTime).inSeconds;
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int remainingSeconds = totalSeconds - elapsedSeconds;
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return remainingSeconds > 0 ? remainingSeconds : 0;
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} catch (e) {
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return 0;
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}
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}
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}
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