feat: times 包支持设置全局时间偏移

utils/times/offset.go

@@ -0,0 +1,31 @@
+package times
+
+import (
+	"sync"
+	"time"
+)
+
+var sourceLocation = time.Local
+var offsetLock sync.Mutex
+
+// SetGlobalTimeOffset 设置全局时间偏移量
+func SetGlobalTimeOffset(offset time.Duration) {
+	offsetLock.Lock()
+	defer offsetLock.Unlock()
+	time.Local = sourceLocation
+	_, currentOffset := time.Now().Zone()
+	newOffset := currentOffset + int(offset.Seconds())
+	location := time.FixedZone("OFFSET", newOffset)
+	time.Local = location
+}
+
+// NowByNotOffset 获取未偏移的当前时间
+func NowByNotOffset() time.Time {
+	offsetLock.Lock()
+	defer offsetLock.Unlock()
+	offset := time.Local
+	time.Local = sourceLocation
+	now := time.Now()
+	time.Local = offset
+	return now
+}

utils/times/offset_test.go

@@ -0,0 +1,17 @@
+package times_test
+
+import (
+	"fmt"
+	"github.com/kercylan98/minotaur/utils/times"
+	"testing"
+	"time"
+)
+
+func TestSetGlobalTimeOffset(t *testing.T) {
+	fmt.Println(time.Now())
+	times.SetGlobalTimeOffset(-times.Hour)
+	fmt.Println(time.Now())
+	times.SetGlobalTimeOffset(times.Hour)
+	fmt.Println(time.Now())
+	fmt.Println(times.NowByNotOffset())
+}