doc: add go playground demo

2026-02-04 12:52:28 +08:00 · 2023-06-20 14:04:18 +08:00
parent 3050d93703
commit 8f49078eb3
12 changed files with 63 additions and 21 deletions
--- a/README.md
+++ b/README.md
@@ -284,8 +284,11 @@ import "github.com/duke-git/lancet/v2/convertor"
    [[play](https://go.dev/play/p/syqw0-WG7Xd)]
 -   **<big>Utf8ToGbk</big>** : converts utf8 encoding data to GBK encoding data
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/convertor.md#Utf8ToGbk)]
+    [[play](https://go.dev/play/p/9FlIaFLArIL)]
 -   **<big>GbkToUtf8</big>** : converts GBK encoding data to utf8 encoding data.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/convertor.md#GbkToUtf8)]
+    [[play](https://go.dev/play/p/OphmHCN_9u8)]
+

 ### 6. Cryptor package is for data encryption and decryption.

@@ -613,6 +616,7 @@ import "github.com/duke-git/lancet/v2/fileutil"
    [[play](https://go.dev/play/p/OExTkhGEd3_u)]
 -   **<big>WriteCsvFile</big>** : write content to target csv file.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/fileutil.md#WriteCsvFile)]
+    [[play](https://go.dev/play/p/dAXm58Q5U1o)]
 -   **<big>WriteBytesToFile</big>** : write bytes to target file.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/fileutil.md#WriteBytesToFile)]
    [[play](https://go.dev/play/p/s7QlDxMj3P8)]
@@ -835,8 +839,11 @@ import "github.com/duke-git/lancet/v2/mathutil"
    [[play](https://go.dev/play/p/TWMQlMywDsP)]
 -   **<big>Log</big>** : returns the logarithm of base n.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/mathutil.md#Log)]
+    [[play](https://go.dev/play/p/_d4bi8oyhat)]
 -   **<big>Sum</big>** : return sum of passed numbers.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/mathutil.md#Sum)]
+    [[play](https://go.dev/play/p/1To2ImAMJA7)]
+

 ### 14. Netutil package contains functions to get net information and send http request.

@@ -945,6 +952,8 @@ import "github.com/duke-git/lancet/v2/random"
    [[play](https://go.dev/play/p/_Z9SFmr28ft)]
 -   **<big>RandUniqueIntSlice</big>** : generate a slice of random int of length n that do not repeat.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/random.md#RandUniqueIntSlice)]
+    [[play](https://go.dev/play/p/uBkRSOz73Ec)]
+

 ### 16. Retry package is for executing a function repeatedly until it was successful or canceled by the context.

--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -283,8 +283,11 @@ import "github.com/duke-git/lancet/v2/convertor"
    [[play](https://go.dev/play/p/syqw0-WG7Xd)]
 -   **<big>Utf8ToGbk</big>** : utf8 编码转 GBK 编码。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/convertor_zh-CN.md#Utf8ToGbk)]
+    [[play](https://go.dev/play/p/9FlIaFLArIL)]
 -   **<big>GbkToUtf8</big>** : GBK 编码转 utf8 编码。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/convertor_zh-CN.md#GbkToUtf8)]
+    [[play](https://go.dev/play/p/OphmHCN_9u8)]
+

 ### 6. cryptor 加密包支持数据加密和解密，获取 md5，hash 值。支持 base64, md5, hmac, aes, des, rsa。

@@ -614,6 +617,7 @@ import "github.com/duke-git/lancet/v2/fileutil"
    [[play](https://go.dev/play/p/OExTkhGEd3_u)]
 -   **<big>WriteCsvFile</big>** : 向 csv 文件写入内容。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/fileutil_zh-CN.md#WriteCsvFile)]
+    [[play](https://go.dev/play/p/dAXm58Q5U1o)]
 -   **<big>WriteBytesToFile</big>** : 将 bytes 写入文件。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/fileutil_zh-CN.md#WriteBytesToFile)]
    [[play](https://go.dev/play/p/s7QlDxMj3P8)]
@@ -835,8 +839,11 @@ import "github.com/duke-git/lancet/v2/mathutil"
    [[play](https://go.dev/play/p/TWMQlMywDsP)]
 -   **<big>Log</big>** : 计算以 base 为底 n 的对数。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/mathutil_zh-CN.md#Log)]
+    [[play](https://go.dev/play/p/_d4bi8oyhat)]
 -   **<big>Sum</big>** : 求传入参数之和。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/mathutil_zh-CN.md#Sum)]
+    [[play](https://go.dev/play/p/1To2ImAMJA7)]
+

 ### 14. netutil 网络包支持获取 ip 地址，发送 http 请求。

@@ -945,6 +952,8 @@ import "github.com/duke-git/lancet/v2/random"
    [[play](https://go.dev/play/p/_Z9SFmr28ft)]
 -   **<big>RandUniqueIntSlice</big>** : 生成一个不重复的长度为n的随机int切片。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/random_zh-CN.md#RandUniqueIntSlice)]
+    [[play](https://go.dev/play/p/uBkRSOz73Ec)]
+

 ### 16. retry 重试执行函数直到函数运行成功或被 context cancel。

--- a/convertor/convertor.go
+++ b/convertor/convertor.go
@@ -380,7 +380,7 @@ func ToInterface(v reflect.Value) (value interface{}, ok bool) {
 }

 // Utf8ToGbk convert utf8 encoding data to GBK encoding data.
-// Play: todo
+// Play: https://go.dev/play/p/9FlIaFLArIL
 func Utf8ToGbk(bs []byte) ([]byte, error) {
 	r := transform.NewReader(bytes.NewReader(bs), simplifiedchinese.GBK.NewEncoder())
 	b, err := io.ReadAll(r)
@@ -388,7 +388,7 @@ func Utf8ToGbk(bs []byte) ([]byte, error) {
 }

 // GbkToUtf8 convert GBK encoding data to utf8 encoding data.
-// Play: todo
+// Play: https://go.dev/play/p/OphmHCN_9u8
 func GbkToUtf8(bs []byte) ([]byte, error) {
 	r := transform.NewReader(bytes.NewReader(bs), simplifiedchinese.GBK.NewDecoder())
 	b, err := io.ReadAll(r)
--- a/docs/fileutil.md
+++ b/docs/fileutil.md
@@ -714,18 +714,30 @@ import (
 )

 func main() {
+    fpath := "./test.csv"
+    fileutil.CreateFile(fpath)
+
+    f, _ := os.OpenFile(fpath, os.O_WRONLY|os.O_TRUNC, 0777)
+    defer f.Close()
+
    data := [][]string{
        {"Lili", "22", "female"},
        {"Jim", "21", "male"},
    }
-    err := WriteCsvFile("./testdata/test2.csv", data, false)
-    fmt.Println(err)
+    err := fileutil.WriteCsvFile(fpath, data, false)

-    content, _ := ReadCsvFile("./testdata/test2.csv")
+    if err != nil {
+        return
+    }
+
+    content, err := fileutil.ReadCsvFile(fpath)
+
+    if err != nil {
+        return
+    }
    fmt.Println(content)

    // Output:
-    // <nil>
    // [[Lili 22 female] [Jim 21 male]]
 }
 ```
--- a/docs/fileutil_zh-CN.md
+++ b/docs/fileutil_zh-CN.md
@@ -714,18 +714,30 @@ import (
 )

 func main() {
+    fpath := "./test.csv"
+    fileutil.CreateFile(fpath)
+
+    f, _ := os.OpenFile(fpath, os.O_WRONLY|os.O_TRUNC, 0777)
+    defer f.Close()
+
    data := [][]string{
        {"Lili", "22", "female"},
        {"Jim", "21", "male"},
    }
-    err := WriteCsvFile("./testdata/test2.csv", data, false)
-    fmt.Println(err)
+    err := fileutil.WriteCsvFile(fpath, data, false)

-    content, _ := ReadCsvFile("./testdata/test2.csv")
+    if err != nil {
+        return
+    }
+
+    content, err := fileutil.ReadCsvFile(fpath)
+
+    if err != nil {
+        return
+    }
    fmt.Println(content)

    // Output:
-    // <nil>
    // [[Lili 22 female] [Jim 21 male]]
 }
 ```
--- a/docs/random.md
+++ b/docs/random.md
@@ -269,7 +269,7 @@ import (
 )

 func main() {
-    result := RandUniqueIntSlice(5, 0, 10)
+    result := random.RandUniqueIntSlice(5, 0, 10)
    fmt.Println(result) //[0 4 7 1 5] (random)
 }
 ```
--- a/docs/random_zh-CN.md
+++ b/docs/random_zh-CN.md
@@ -268,7 +268,7 @@ import (
 )

 func main() {
-    result := RandUniqueIntSlice(5, 0, 10)
+    result := random.RandUniqueIntSlice(5, 0, 10)
    fmt.Println(result) //[0 4 7 1 5] (random)
 }
 ```
--- a/fileutil/file.go
+++ b/fileutil/file.go
@@ -507,7 +507,7 @@ func ReadCsvFile(filepath string) ([][]string, error) {
 }

 // WriteCsvFile write content to target csv file.
-// Play: todo
+// Play: https://go.dev/play/p/dAXm58Q5U1o
 func WriteCsvFile(filepath string, records [][]string, append bool) error {
 	flag := os.O_RDWR | os.O_CREATE

--- a/mathutil/mathutil.go
+++ b/mathutil/mathutil.go
@@ -173,7 +173,7 @@ func MinBy[T any](slice []T, comparator func(T, T) bool) T {
 }

 // Sum return sum of passed numbers.
-// Play: todo
+// Play: https://go.dev/play/p/1To2ImAMJA7
 func Sum[T constraints.Integer | constraints.Float](numbers ...T) T {
 	var sum T

@@ -337,7 +337,7 @@ func Sin(radian float64, precision ...int) float64 {
 }

 // Log returns the logarithm of base n.
-// Play: todo
+// Play: https://go.dev/play/p/_d4bi8oyhat
 func Log(n, base float64) float64 {
 	return math.Log(n) / math.Log(base)
 }
--- a/pointer/pointer.go
+++ b/pointer/pointer.go
@@ -7,19 +7,19 @@ package pointer
 import "reflect"

 // Of returns a pointer to the value `v`.
-// Play: todo
+// Play: https://go.dev/play/p/HFd70x4DrMj
 func Of[T any](v T) *T {
 	return &v
 }

 // Unwrap returns the value from the pointer.
-// Play: todo
+// Play: https://go.dev/play/p/cgeu3g7cjWb
 func Unwrap[T any](p *T) T {
 	return *p
 }

 // ExtractPointer returns the underlying value by the given interface type
-// Play: todo
+// Play: https://go.dev/play/p/D7HFjeWU2ZP
 func ExtractPointer(value any) any {
 	t := reflect.TypeOf(value)
 	v := reflect.ValueOf(value)
--- a/random/random.go
+++ b/random/random.go
@@ -116,7 +116,7 @@ func UUIdV4() (string, error) {
 }

 // RandUniqueIntSlice generate a slice of random int of length n that do not repeat.
-// Play: todo
+// Play: https://go.dev/play/p/uBkRSOz73Ec
 func RandUniqueIntSlice(n, min, max int) []int {
 	if min > max {
 		return []int{}
--- a/strutil/string.go
+++ b/strutil/string.go
@@ -561,7 +561,7 @@ var (

 // RemoveWhiteSpace remove whitespace characters from a string.
 // when set repalceAll is true removes all whitespace, false only replaces consecutive whitespace characters with one space.
-// Play: todo
+// Play: https://go.dev/play/p/HzLC9vsTwkf
 func RemoveWhiteSpace(str string, repalceAll bool) string {
 	if repalceAll && str != "" {
 		return strings.Join(strings.Fields(str), "")