crate/timehelper/time_test.go

package timehelper_test

import (
	"fmt"
	"time"
)

// Javascript 只能精确到毫秒:
// new Date('2023-01-15T15:16:17.123456789+08:00').toISOString()
// Output: '2023-01-15T07:16:17.123Z'
func ExampleRFC3339Nano() {
	t, _ := time.Parse(time.RFC3339Nano, "2023-01-15T15:16:17.123456789+08:00")
	fmt.Println(t.Format(time.RFC3339Nano))
	// Output: 2023-01-15T15:16:17.123456789+08:00
}

func ExampleRFC3339_nano2Sec() {
	t, _ := time.Parse(time.RFC3339Nano, "2023-01-15T15:16:17.123456789+08:00")
	fmt.Println(t.Format(time.RFC3339))
	// Output: 2023-01-15T15:16:17+08:00
}

// 使用 RFC3339 没有丢失纳秒精度
func ExampleRFC3339_sec2Nano() {
	t, _ := time.Parse(time.RFC3339, "2023-01-15T15:16:17.123456789+08:00")
	fmt.Println(t.Format(time.RFC3339Nano))
	// Output: 2023-01-15T15:16:17.123456789+08:00
}

func ExampleRFC3339_nanoOtherZone() {
	t, _ := time.Parse(time.RFC3339Nano, "2023-01-15T15:16:17.123456789+09:00")
	fmt.Println(t.Format(time.RFC3339Nano))
	// Output: 2023-01-15T15:16:17.123456789+09:00
}