完善功能

utils/file.go

@@ -0,0 +1,25 @@
+package utils
+
+import (
+	"strings"
+	"os"
+	"fmt"
+	"path/filepath"
+)
+
+func AbsolutePath(p string) (string,error) {
+
+	if strings.HasPrefix(p, "~") {
+		home := os.Getenv("HOME")
+		if home == "" {
+			panic(fmt.Sprintf("can not found HOME in envs, '%s' AbsPh Failed!", p))
+		}
+		p = fmt.Sprint(home, string(p[1:]))
+	}
+	s, err := filepath.Abs(p)
+
+	if nil != err {
+		return  "",err
+	}
+	return s,nil
+}