From df4e329b084fcad4f8ac9910fc73a8467f86ceae Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期五, 11 十一月 2022 11:30:37 +0800
Subject: [PATCH] 优化导出对象的子列表为空会出现[]问题

---
 src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
index 6c91ad6..54f1153 100644
--- a/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
+++ b/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
@@ -911,6 +911,10 @@
             {
                 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())

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