FormatMoney

file.go

@@ -1,6 +1,9 @@
 package goutil
 
-import "io/ioutil"
+import (
+	"io/ioutil"
+	"os"
+)
 
 func FileList(dirPath string) ([]string, error) {
 	lis, err := ioutil.ReadDir(dirPath)
@@ -17,3 +20,30 @@ func FileList(dirPath string) ([]string, error) {
 	}
 	return fileList, nil
 }
+
+// HasDir 判断文件夹是否存在
+func ExistDir(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 创建文件夹
+func CreateDir(path string) error {
+	_exist, _err := ExistDir(path)
+	if _err != nil {
+		return _err
+	}
+	if !_exist {
+		err := os.Mkdir(path, os.ModePerm)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}

util.go

@@ -9,18 +9,27 @@ import (
 	"strings"
 )
 
-// format bytes number friendly
-func BytesToTips(bytes uint64) string {
-	switch {
-	case bytes < 1024:
-		return fmt.Sprintf("%dB", bytes)
-	case bytes < 1024*1024:
-		return fmt.Sprintf("%.2fK", float64(bytes)/1024)
-	case bytes < 1024*1024*1024:
-		return fmt.Sprintf("%.2fM", float64(bytes)/1024/1024)
-	default:
-		return fmt.Sprintf("%.2fG", float64(bytes)/1024/1024/1024)
+// FormatMoney 格式化商品价格
+func FormatMoney(number int64) string {
+	num1 := float64(number) / 100
+	num2 := float64(number / 100)
+	if num1 != num2 {
+		return fmt.Sprintf("%.2f", num1)
 	}
+	return strconv.FormatInt(int64(num1), 10)
+}
+
+func FormatBytes(bytes int64) string {
+	const unit = 1024
+	if bytes < unit {
+		return strconv.FormatInt(bytes, 10) + " B"
+	}
+	div, exp := int64(unit), 0
+	for n := bytes / unit; n >= unit; n /= unit {
+		div *= unit
+		exp++
+	}
+	return fmt.Sprintf("%.2f%cB", float64(bytes)/float64(div), "KMGTPE"[exp])
 }
 
 func If[T any](condition bool, trueVal, falseVal T) T {
@@ -79,19 +88,6 @@ func CopyStruct(dst interface{}, src interface{}) {
 
 }
 
-func FormatBytes(bytes int64) string {
-	const unit = 1024
-	if bytes < unit {
-		return strconv.FormatInt(bytes, 10) + " B"
-	}
-	div, exp := int64(unit), 0
-	for n := bytes / unit; n >= unit; n /= unit {
-		div *= unit
-		exp++
-	}
-	return fmt.Sprintf("%.2f%cB", float64(bytes)/float64(div), "KMGTPE"[exp])
-}
-
 func HtmlStrip(src string) string {
 	//将HTML标签全转换成小写
 	re, _ := regexp.Compile("\\<[\\S\\s]+?\\>")