From d091e4e5eecc3c62d39579bc6ada9621c54c0253 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E5=85=89=E6=98=A5?= <gc@dtapp.net>
Date: Thu, 26 May 2022 18:00:52 +0800
Subject: [PATCH] - init

---
 .drone.yml      |  17 +++++++
 .gitignore      |   9 ++++
 go.mod          |   3 ++
 gofiles.go      | 127 ++++++++++++++++++++++++++++++++++++++++++++++++
 version.go      |   3 ++
 version_test.go |   7 +++
 6 files changed, 166 insertions(+)
 create mode 100644 .drone.yml
 create mode 100644 .gitignore
 create mode 100644 go.mod
 create mode 100644 gofiles.go
 create mode 100644 version.go
 create mode 100644 version_test.go

diff --git a/.drone.yml b/.drone.yml
new file mode 100644
index 0000000..c56c479
--- /dev/null
+++ b/.drone.yml
@@ -0,0 +1,17 @@
+kind: pipeline
+type: docker
+name: clone
+
+steps:
+  - name: Test
+    image: golang:1.18
+    commands:
+      - go env -w GO111MODULE=on
+      - go env -w GOPROXY=https://goproxy.cn,direct
+      - go test -v ./...
+  - name: Benchmark
+    image: golang:1.18
+    commands:
+      - go env -w GO111MODULE=on
+      - go env -w GOPROXY=https://goproxy.cn,direct
+      - go test -bench=. -benchmem
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4794692
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,9 @@
+.env
+.git
+.svn
+.idea
+.vscode
+*.log
+goinit.sh
+gomod.sh
+/vendor/
\ No newline at end of file
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..8d60b3c
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module go.dtapp.net/gofiles
+
+go 1.18
diff --git a/gofiles.go b/gofiles.go
new file mode 100644
index 0000000..c07563b
--- /dev/null
+++ b/gofiles.go
@@ -0,0 +1,127 @@
+package gofiles
+
+import (
+	"fmt"
+	"log"
+	"math"
+	"os"
+)
+
+// DeleteFile 删除文件
+func DeleteFile(pathName string) (bool, error) {
+	err := os.Remove(pathName)
+	if err != nil {
+		return false, err
+	} else {
+		return true, nil
+	}
+}
+
+// DeletesFiles 删除文件夹
+func DeletesFiles(path string) (bool, error) {
+	err := os.RemoveAll(path)
+	if err != nil {
+		return false, err
+	} else {
+		return true, nil
+	}
+}
+
+// ExistFile 判断文件是否存在
+func ExistFile(pathName string) (bool, error) {
+	fileInfo, err := os.Stat(pathName)
+	if os.IsNotExist(err) {
+		return false, nil
+	}
+	// 如果是0也算不存在
+	if fileInfo.Size() == 0 {
+		return false, nil
+	}
+	if err == nil {
+		return true, nil
+	}
+	return false, err
+}
+
+// ExistFiles 判断文件夹是否存在
+func ExistFiles(path string) (bool, error) {
+	_, err := os.Stat(path)
+	if err == nil {
+		return true, nil
+	}
+	if os.IsNotExist(err) {
+		return false, nil
+	}
+	return false, err
+}
+
+// CreateFile 创建文件
+func CreateFile(fileName string) (bool, error) {
+	_, err := os.Create(fileName)
+	if err != nil {
+		return false, err
+	} else {
+		return true, nil
+	}
+}
+
+// CreateFiles 创建文件夹
+func CreateFiles(path string, perm int) (bool, error) {
+	err := os.MkdirAll(path, os.FileMode(perm))
+	if err != nil {
+		return false, err
+	} else {
+		return true, nil
+	}
+}
+
+// DirExist 判断目录是否存在,存在返回 true
+func DirExist(path string) (bool, error) {
+	_, err := os.Stat(path)
+	if err == nil {
+		return true, nil
+	}
+	if os.IsNotExist(err) {
+		return false, nil
+	}
+	return false, err
+}
+
+// CreateDir 创建目录
+func CreateDir(path string) error {
+	dirExist, err := DirExist(path)
+	if err != nil {
+		return err
+	}
+	if !dirExist {
+		err := os.Mkdir(path, os.ModePerm)
+		if err != nil {
+			log.Printf("创建[%s]目录失败: %s\n", path, err)
+		}
+	}
+	return err
+}
+
+func logn(n, b float64) float64 {
+	return math.Log(n) / math.Log(b)
+}
+func humanateBytes(s uint64, base float64, sizes []string) string {
+	if s < 10 {
+		return fmt.Sprintf("%dB", s)
+	}
+	e := math.Floor(logn(float64(s), base))
+	suffix := sizes[int(e)]
+	val := float64(s) / math.Pow(base, math.Floor(e))
+	f := "%.0f"
+	if val < 10 {
+		f = "%.1f"
+	}
+
+	return fmt.Sprintf(f+"%s", val, suffix)
+}
+
+// FileSize 计算文件大小并生成用户友好的字符串。
+func FileSize(s uint64) string {
+	sizes := []string{"B", "KB", "MB", "GB", "TB", "PB", "EB"}
+	return humanateBytes(uint64(s), 1024, sizes)
+}
diff --git a/version.go b/version.go
new file mode 100644
index 0000000..44c2773
--- /dev/null
+++ b/version.go
@@ -0,0 +1,3 @@
+package gofiles
+
+const Version = "1.0.0"
diff --git a/version_test.go b/version_test.go
new file mode 100644
index 0000000..b4cd7cf
--- /dev/null
+++ b/version_test.go
@@ -0,0 +1,7 @@
+package gofiles
+
+import "testing"
+
+func TestVersion(t *testing.T) {
+	t.Log(Version)
+}