demo/
demo.rs

1use rstime::{DateTime, Date, Time, Duration, TimeDelta, TimeFormat, MonotonicClock};
2
3fn main() {
4    println!("=== rstime 时间库使用示例 ===\n");
5
6    println!("1. 获取当前时间");
7    let now = DateTime::now();
8    println!("   现在: {}\n", now);
9
10    println!("2. 格式化输出");
11    let dt = DateTime::from_ymd_hms_milli(2026, 5, 10, 14, 5, 9, 37);
12    println!("   ISO 8601:  {}", dt.format("{YYYY}-{MM}-{DD}T{HH}:{mm}:{ss}"));
13    println!("   中文格式:  {}", dt.format("{YYYY}年{MM}月{DD}日 {HH}:{mm}:{ss}"));
14    println!("   12小时制:  {}", dt.format("{hh}:{mm}:{ss} {AMPM}"));
15    println!("   星期:      {}", dt.format("{WW}"));
16    println!("   毫秒:      {}", dt.format("{SSS}"));
17    println!();
18
19    println!("3. 日期计算");
20    let d1 = Date::new(2026, 1, 1);
21    let d2 = d1 + TimeDelta::new(365 * 86400, 0);
22    let diff = d2 - d1;
23    println!("   {} + 365 天 = {}", d1, d2);
24    println!("   相差 {} 天", diff.total_seconds() as i64 / 86400);
25    println!();
26
27    println!("4. 星期计算");
28    let dates = [Date::new(2026, 1, 1), Date::new(2026, 5, 10), Date::new(2026, 12, 25)];
29    for d in &dates {
30        println!("   {} = {}", d, d.weekday());
31    }
32    println!();
33
34    println!("5. 闰年判断");
35    for year in [2024, 2025, 2000, 1900] {
36        println!("   {}: {}", year, if Date::new(year, 1, 1).is_leap_year() { "闰年" } else { "平年" });
37    }
38    println!();
39
40    println!("6. Unix 时间戳");
41    let epoch = DateTime::from_unix(0);
42    println!("   epoch:     {}", epoch);
43    let ts = now.unix_timestamp();
44    println!("   当前时间戳: {}", ts);
45    let ts_ms = now.unix_timestamp_millis();
46    println!("   毫秒时间戳: {}", ts_ms);
47    println!();
48
49    println!("7. 时间加法（跨天回绕）");
50    let t = Time::from_hms(23, 30, 0);
51    println!("   {} + 2h = {}", t, t + Duration::from_secs(7200));
52    println!("   {} - 1h = {}", t, t - Duration::HOUR);
53    println!();
54
55    println!("8. 时钟功能");
56    let today = Date::today();
57    let time_now = Time::now();
58    println!("   今天: {}", today);
59    println!("   此刻: {}", time_now);
60    println!();
61
62    println!("9. 单调时钟（性能计时）");
63    let timer = MonotonicClock::start();
64    let _sum: u64 = (0..10_000_000).sum();
65    let elapsed = timer.elapsed();
66    println!("   累加 1000 万次耗时: {}ms", elapsed.total_millis());
67    println!();
68
69    println!("✅ 所有示例运行完成！");
70}
demo/demo.rs

demo/
demo.rs
