From 324f87bcaed9ec775c0b79627956a093ad481d36 Mon Sep 17 00:00:00 2001
From: xuri <xuri.me@gmail.com>
Date: Fri, 18 Sep 2020 22:20:58 +0800
Subject: add checking and limits for the worksheet

---
 col.go | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'col.go')

diff --git a/col.go b/col.go
index 72db4be..19ce99b 100644
--- a/col.go
+++ b/col.go
@@ -444,6 +444,9 @@ func (f *File) SetColWidth(sheet, startcol, endcol string, width float64) error
 	if err != nil {
 		return err
 	}
+	if width > MaxColumnWidth {
+		return errors.New("the width of the column must be smaller than or equal to 255 characters")
+	}
 	if min > max {
 		min, max = max, min
 	}
-- 
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