初始版本,工具基础类

examples/datetime_example.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"time"
+
+	"github.com/go-common/datetime"
+)
+
+func main() {
+	// 设置默认时区
+	err := datetime.SetDefaultTimeZone(datetime.AsiaShanghai)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// 获取当前时间
+	now := datetime.Now()
+	fmt.Printf("Current time: %s\n", datetime.FormatDateTime(now))
+
+	// 解析时间字符串
+	t, err := datetime.ParseDateTime("2024-01-01 12:00:00")
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Printf("Parsed time: %s\n", datetime.FormatDateTime(t))
+
+	// 时区转换
+	t2, err := datetime.ToTimezone(t, datetime.AmericaNewYork)
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Printf("Time in New York: %s\n", datetime.FormatDateTime(t2))
+
+	// Unix时间戳
+	unix := datetime.ToUnix(now)
+	fmt.Printf("Unix timestamp: %d\n", unix)
+	t3 := datetime.FromUnix(unix)
+	fmt.Printf("From Unix: %s\n", datetime.FormatDateTime(t3))
+
+	// 时间计算
+	tomorrow := datetime.AddDays(now, 1)
+	fmt.Printf("Tomorrow: %s\n", datetime.FormatDate(tomorrow))
+
+	// 时间范围
+	startOfDay := datetime.StartOfDay(now)
+	endOfDay := datetime.EndOfDay(now)
+	fmt.Printf("Start of day: %s\n", datetime.FormatDateTime(startOfDay))
+	fmt.Printf("End of day: %s\n", datetime.FormatDateTime(endOfDay))
+
+	// 时间差
+	diff := datetime.DiffDays(now, tomorrow)
+	fmt.Printf("Days difference: %d\n", diff)
+}
+