From fef0630608f7ca85dc2afd050221b16abdb062de Mon Sep 17 00:00:00 2001 From: RuoYi <yzz_ivy@163.com> Date: 星期四, 27 一月 2022 12:12:08 +0800 Subject: [PATCH] 导出Excel时屏蔽公式,防止CSV注入风险 --- src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java | 10 +++++++++- 1 files changed, 9 insertions(+), 1 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 9995ffd..a350ef2 100644 --- a/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java +++ b/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java @@ -86,6 +86,8 @@ { private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class); + public static final String[] FORMULA_STR = { "=", "-", "+", "@" }; + /** * Excel sheet鏈�澶ц鏁帮紝榛樿65536 */ @@ -710,7 +712,13 @@ { if (ColumnType.STRING == attr.cellType()) { - cell.setCellValue(StringUtils.isNull(value) ? attr.defaultValue() : value + attr.suffix()); + String cellValue = Convert.toStr(value); + // 瀵逛簬浠讳綍浠ヨ〃杈惧紡瑙﹀彂瀛楃 =-+@寮�澶寸殑鍗曞厓鏍硷紝鐩存帴浣跨敤tab瀛楃浣滀负鍓嶇紑锛岄槻姝SV娉ㄥ叆銆� + if (StringUtils.containsAny(cellValue, FORMULA_STR)) + { + cellValue = StringUtils.replaceEach(cellValue, FORMULA_STR, new String[] { "\t=", "\t-", "\t+", "\t@" }); + } + cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix()); } else if (ColumnType.NUMERIC == attr.cellType()) { -- Gitblit v1.9.3