feat: add CurrentPath

docs/fileutil.md

@@ -26,6 +26,7 @@ import (
 -   [CreateFile](#CreateFile)
 -   [CreateDir](#CreateDir)
 -   [CopyFile](#CopyFile)
+-   [CurrentPath](#CurrentPath)
 -   [FileMode](#FileMode)
 -   [MiMeType](#MiMeType)
 -   [IsExist](#IsExist)
@@ -151,6 +152,32 @@ func main() {
 }
 ```
 
+### <span id="CurrentPath">CurrentPath</span>
+
+<p>return current absolute path.</p>
+
+<b>Signature:</b>
+
+```go
+func CurrentPath() string
+```
+
+<b>Example:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/fileutil"
+)
+
+func main() {
+    absPath := CurrentPath()
+    fmt.Println(absPath)
+}
+```
+
 ### <span id="FileMode">FileMode</span>
 
 <p>Return file mode infomation.</p>

docs/fileutil_zh-CN.md

@@ -26,6 +26,7 @@ import (
 -   [CreateFile](#CreateFile)
 -   [CreateDir](#CreateDir)
 -   [CopyFile](#CopyFile)
+-   [CurrentPath](#CurrentPath)
 -   [FileMode](#FileMode)
 -   [MiMeType](#MiMeType)
 -   [IsExist](#IsExist)
@@ -150,6 +151,32 @@ func main() {
 }
 ```
 
+### <span id="CurrentPath">CurrentPath</span>
+
+<p>返回当前位置的绝对路径。</p>
+
+<b>函数签名:</b>
+
+```go
+func CurrentPath() string
+```
+
+<b>示例:</b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/fileutil"
+)
+
+func main() {
+    absPath := CurrentPath()
+    fmt.Println(absPath)
+}
+```
+
 ### <span id="FileMode">FileMode</span>
 
 <p>获取文件mode信息</p>

fileutil/file.go

@@ -15,6 +15,7 @@ import (
 	"os"
 	"path"
 	"path/filepath"
+	"runtime"
 	"strings"
 )
 
@@ -345,3 +346,15 @@ func MiMeType(file any) string {
 	}
 	return mediatype
 }
+
+// CurrentPath return current absolute path.
+// Play: todo
+func CurrentPath() string {
+	var absPath string
+	_, filename, _, ok := runtime.Caller(1)
+	if ok {
+		absPath = path.Dir(filename)
+	}
+
+	return absPath
+}

fileutil/file_test.go

@@ -241,3 +241,8 @@ func TestListFileNames(t *testing.T) {
 	expected := []string{"formatter.go", "formatter_example_test.go", "formatter_test.go"}
 	assert.Equal(expected, filesInPath)
 }
+
+func TestCurrentPath(t *testing.T) {
+	absPath := CurrentPath()
+	t.Log(absPath)
+}