support data export

2021-01-02 02:04:38 +08:00
parent 102c945aa0
commit 7d3e05c548
24 changed files with 515 additions and 42 deletions
@@ -29,8 +29,9 @@ func SubString(str string, start int, length int) string {
 	end := 0

 	if start < 0 {
-		start = realLength - 1 + start
+		start = realLength + start
 	}
+
 	end = start + length

 	if start > end {