From 836180fe0ed73d314b0ad56c99d5e6075d2316bb Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Fri, 11 Nov 2022 11:31:27 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E5=AF=BC=E5=87=BA=E5=AF=B9?=
 =?UTF-8?q?=E8=B1=A1=E7=9A=84=E5=AD=90=E5=88=97=E8=A1=A8=E4=B8=BA=E7=A9=BA?=
 =?UTF-8?q?=E4=BC=9A=E5=87=BA=E7=8E=B0[]=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
index 3310220b..cd8dd41f 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
@@ -911,6 +911,10 @@ public class ExcelUtil<T>
             {
                 cellValue = RegExUtils.replaceFirst(cellValue, FORMULA_REGEX_STR, "\t$0");
             }
+            if (value instanceof Collection && StringUtils.equals("[]", cellValue))
+            {
+                cellValue = StringUtils.EMPTY;
+            }
             cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix());
         }
         else if (ColumnType.NUMERIC == attr.cellType())