doc: update example link for BeginOfWeek and EndOfWeek

README.md

@@ -535,7 +535,7 @@ import "github.com/duke-git/lancet/v2/datetime"
     [[play](https://go.dev/play/p/94m_UT6cWs9)]
 -   **<big>BeginOfWeek</big>** : return the date time at the begin of week of specific date.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#BeginOfWeek)]
-    [[play](https://go.dev/play/p/ynjoJPz7VNV)]
+    [[play](https://go.dev/play/p/DCHdcL6gnfV)]
 -   **<big>BeginOfMonth</big>** : return the date time at the begin of month of specific date.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#BeginOfMonth)]
     [[play](https://go.dev/play/p/bWXVFsmmzwL)]
@@ -553,7 +553,7 @@ import "github.com/duke-git/lancet/v2/datetime"
     [[play](https://go.dev/play/p/eMBOvmq5Ih1)]
 -   **<big>EndOfWeek</big>** : return the date time at the end of week of specific date.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#EndOfWeek)]
-    [[play](https://go.dev/play/p/i08qKXD9flf)]
+    [[play](https://go.dev/play/p/mGSA162YgX9)]
 -   **<big>EndOfMonth</big>** : return the date time at the end of month of specific date.
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#EndOfMonth)]
     [[play](https://go.dev/play/p/_GWh10B3Nqi)]

README_zh-CN.md

@@ -536,7 +536,7 @@ import "github.com/duke-git/lancet/v2/datetime"
     [[play](https://go.dev/play/p/94m_UT6cWs9)]
 -   **<big>BeginOfWeek</big>** : 返回指定时间的每周开始时间,默认开始时间星期日。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#BeginOfWeek)]
-    [[play](https://go.dev/play/p/ynjoJPz7VNV)]
+    [[play](https://go.dev/play/p/DCHdcL6gnfV)]
 -   **<big>BeginOfMonth</big>** : 返回指定时间的当月开始时间。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#BeginOfMonth)]
     [[play](https://go.dev/play/p/bWXVFsmmzwL)]
@@ -554,7 +554,7 @@ import "github.com/duke-git/lancet/v2/datetime"
     [[play](https://go.dev/play/p/eMBOvmq5Ih1)]
 -   **<big>EndOfWeek</big>** : 返回指定时间的星期结束时间,默认结束时间星期六。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#EndOfWeek)]
-    [[play](https://go.dev/play/p/i08qKXD9flf)]
+    [[play](https://go.dev/play/p/mGSA162YgX9)]
 -   **<big>EndOfMonth</big>** : 返回指定时间的月份结束时间。
     [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#EndOfMonth)]
     [[play](https://go.dev/play/p/_GWh10B3Nqi)]

datetime/datetime.go

@@ -280,13 +280,9 @@ func EndOfDay(t time.Time) time.Time {
 }
 
 // BeginOfWeek return beginning week, default week begin from Sunday.
-// Play: https://go.dev/play/p/ynjoJPz7VNV
+// Play: https://go.dev/play/p/DCHdcL6gnfV
-func BeginOfWeek(t time.Time, beginFrom ...time.Weekday) time.Time {
+func BeginOfWeek(t time.Time, beginFrom time.Weekday) time.Time {
-	var beginFromWeekday = time.Sunday
+	y, m, d := t.AddDate(0, 0, int(beginFrom-t.Weekday())).Date()
-	if len(beginFrom) > 0 {
-		beginFromWeekday = beginFrom[0]
-	}
-	y, m, d := t.AddDate(0, 0, int(beginFromWeekday-t.Weekday())).Date()
 	beginOfWeek := time.Date(y, m, d, 0, 0, 0, 0, t.Location())
 	if beginOfWeek.After(t) {
 		return beginOfWeek.AddDate(0, 0, -7)
@@ -295,13 +291,9 @@ func BeginOfWeek(t time.Time, beginFrom ...time.Weekday) time.Time {
 }
 
 // EndOfWeek return end week time, default week end with Saturday.
-// Play: https://go.dev/play/p/i08qKXD9flf
+// Play: https://go.dev/play/p/mGSA162YgX9
-func EndOfWeek(t time.Time, endWith ...time.Weekday) time.Time {
+func EndOfWeek(t time.Time, endWith time.Weekday) time.Time {
-	var endWithWeekday = time.Saturday
+	y, m, d := t.AddDate(0, 0, int(endWith-t.Weekday())).Date()
-	if len(endWith) > 0 {
-		endWithWeekday = endWith[0]
-	}
-	y, m, d := t.AddDate(0, 0, int(endWithWeekday-t.Weekday())).Date()
 	var endWithWeek = time.Date(y, m, d, 23, 59, 59, int(time.Second-time.Nanosecond), t.Location())
 	if endWithWeek.Before(t) {
 		endWithWeek = endWithWeek.AddDate(0, 0, 7)

datetime/datetime_example_test.go

@@ -299,23 +299,23 @@ func ExampleEndOfDay() {
 func ExampleBeginOfWeek() {
 	input := time.Date(2023, 1, 8, 18, 50, 10, 100, time.UTC)
 
-	result := BeginOfWeek(input)
+	result := BeginOfWeek(input, time.Monday)
 
 	fmt.Println(result)
 
 	// Output:
-	// 2023-01-08 00:00:00 +0000 UTC
+	// 2023-01-02 00:00:00 +0000 UTC
 }
 
 func ExampleEndOfWeek() {
 	input := time.Date(2023, 1, 8, 18, 50, 10, 100, time.UTC)
 
-	result := EndOfWeek(input)
+	result := EndOfWeek(input, time.Sunday)
 
 	fmt.Println(result)
 
 	// Output:
-	// 2023-01-14 23:59:59.999999999 +0000 UTC
+	// 2023-01-08 23:59:59.999999999 +0000 UTC
 }
 
 func ExampleBeginOfMonth() {

datetime/datetime_test.go

@@ -611,9 +611,9 @@ func TestBeginOfWeek(t *testing.T) {
 
 	assert := internal.NewAssert(t, "TestBeginOfWeek")
 
-	expected := time.Date(2022, 2, 13, 0, 0, 0, 0, time.Local)
+	expected := time.Date(2022, 2, 14, 0, 0, 0, 0, time.Local)
 	td := time.Date(2022, 2, 15, 15, 48, 40, 112, time.Local)
-	actual := BeginOfWeek(td)
+	actual := BeginOfWeek(td, time.Monday)
 
 	assert.Equal(expected, actual)
 }
@@ -623,9 +623,9 @@ func TestEndOfWeek(t *testing.T) {
 
 	assert := internal.NewAssert(t, "TestEndOfWeek")
 
-	expected := time.Date(2022, 2, 19, 23, 59, 59, 999999999, time.Local)
+	expected := time.Date(2022, 2, 20, 23, 59, 59, 999999999, time.Local)
 	td := time.Date(2022, 2, 15, 15, 48, 40, 112, time.Local)
-	actual := EndOfWeek(td)
+	actual := EndOfWeek(td, time.Sunday)
 
 	assert.Equal(expected, actual)
 }

docs/api/packages/datetime.md

@@ -546,7 +546,7 @@ func main() {
 <b>函数签名:</b>
 
 ```go
-func BeginOfWeek(t time.Time, beginFrom ...time.Weekday) time.Time
+func BeginOfWeek(t time.Time, beginFrom time.Weekday) time.Time
 ```
 
 <b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/ynjoJPz7VNV)</span></b>
@@ -562,12 +562,12 @@ import (
 
 func main() {
     input := time.Date(2023, 1, 8, 18, 50, 10, 100, time.UTC)
-    result := datetime.BeginOfWeek(input)
+    result := datetime.BeginOfWeek(input, time.Monday)
 
     fmt.Println(result)
 
     // Output:
-    // 2023-01-08 00:00:00 +0000 UTC
+    // 2023-01-09 00:00:00 +0000 UTC
 }
 ```
 
@@ -727,7 +727,7 @@ func main() {
     fmt.Println(result)
 
     // Output:
-    // 2023-01-08 23:59:59.999999999 +0000 UTC
+    // 2023-01-02 00:00:00 +0000 UTC
 }
 ```
 
@@ -738,10 +738,10 @@ func main() {
 <b>函数签名:</b>
 
 ```go
-func EndOfWeek(t time.Time, endWith ...time.Weekday) time.Time
+func EndOfWeek(t time.Time, endWith time.Weekday) time.Time
 ```
 
-<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/i08qKXD9flf)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/mGSA162YgX9)</span></b>
 
 ```go
 package main
@@ -754,12 +754,12 @@ import (
 
 func main() {
     input := time.Date(2023, 1, 8, 18, 50, 10, 100, time.UTC)
-    result := datetime.EndOfWeek(input)
+    result := datetime.EndOfWeek(input, time.Sunday)
 
     fmt.Println(result)
 
     // Output:
-    // 2023-01-14 23:59:59.999999999 +0000 UTC
+    // 2023-01-08 23:59:59.999999999 +0000 UTC
 }
 ```
 

docs/en/api/packages/datetime.md

@@ -551,7 +551,7 @@ func main() {
 func BeginOfWeek(t time.Time, beginFrom ...time.Weekday) time.Time
 ```
 
-<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/ynjoJPz7VNV)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/DCHdcL6gnfV)</span></b>
 
 ```go
 package main
@@ -564,12 +564,13 @@ import (
 
 func main() {
     input := time.Date(2023, 1, 8, 18, 50, 10, 100, time.UTC)
-    result := datetime.BeginOfWeek(input)
+
+    result := datetime.BeginOfWeek(input, time.Monday)
 
     fmt.Println(result)
 
     // Output:
-    // 2023-01-08 00:00:00 +0000 UTC
+    // 2023-01-02 00:00:00 +0000 UTC
 }
 ```
 
@@ -743,7 +744,7 @@ func main() {
 func EndOfWeek(t time.Time, endWith ...time.Weekday) time.Time
 ```
 
-<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/i08qKXD9flf)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/mGSA162YgX9)</span></b>
 
 ```go
 package main
@@ -756,12 +757,12 @@ import (
 
 func main() {
     input := time.Date(2023, 1, 8, 18, 50, 10, 100, time.UTC)
-    result := datetime.EndOfWeek(input)
+    result := datetime.EndOfWeek(input, time.Sunday)
 
     fmt.Println(result)
 
     // Output:
-    // 2023-01-14 23:59:59.999999999 +0000 UTC
+    // 2023-01-08 23:59:59.999999999 +0000 UTC
 }
 ```