From 2d9ce89b2eb824196c956ba5d725f77d3690f097 Mon Sep 17 00:00:00 2001 From: RuoYi Date: Tue, 6 Jan 2026 13:55:05 +0800 Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8DExcel=E8=87=AA=E5=AE=9A?= =?UTF-8?q?=E4=B9=89=E6=A0=BC=E5=BC=8F=E6=A0=B7=E5=BC=8F=E6=B1=A1=E6=9F=93?= =?UTF-8?q?=E9=97=AE=E9=A2=98?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../ruoyi/common/core/utils/poi/ExcelUtil.java | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java index 98e84ce81..71a0e2381 100644 --- a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java +++ b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java @@ -1004,7 +1004,7 @@ public class ExcelUtil String separator = attr.separator(); if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value)) { - cell.getCellStyle().setDataFormat(this.wb.getCreationHelper().createDataFormat().getFormat(dateFormat)); + cell.setCellStyle(createCellStyle(cell.getCellStyle(), dateFormat)); cell.setCellValue(parseDateToStr(dateFormat, value)); } else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value)) @@ -1034,6 +1034,21 @@ public class ExcelUtil return cell; } + /** + * 使用自定义格式，同时避免样式污染 + * + * @param cellStyle 从此样式复制 + * @param format 格式匹配的字符串 + * @return 格式化后CellStyle对象 + */ + private CellStyle createCellStyle(CellStyle cellStyle, String format) + { + CellStyle style = wb.createCellStyle(); + style.cloneStyleFrom(cellStyle); + style.setDataFormat(wb.getCreationHelper().createDataFormat().getFormat(format)); + return style; + } + /** * 设置 POI XSSFSheet 单元格提示或选择框 *