v1.0 beta init

app/lea/File.go

@@ -77,4 +77,14 @@ func CopyFile(srcName, dstName string) (written int64, err error) {
 	}
 	defer dst.Close()
 	return io.Copy(dst, src)
+}
+
+func IsDirExists(path string) bool {
+    fi, err := os.Stat(path)
+    if err != nil {
+        return os.IsExist(err)
+    }else{
+        return fi.IsDir()
+    }
+    return false
 }