From 2871b3c00bec2dce4ff60dd384ec8361f8b06217 Mon Sep 17 00:00:00 2001
From: wkc <978997012@qq.com>
Date: Mon, 9 Mar 2026 14:20:07 +0800
Subject: [PATCH] =?UTF-8?q?feat(ccdi-project):=20=E6=89=A9=E5=B1=95?=
 =?UTF-8?q?=E6=96=87=E4=BB=B6=E4=B8=8A=E4=BC=A0=E6=94=AF=E6=8C=81CSV?=
 =?UTF-8?q?=E5=92=8CPDF=E6=A0=BC=E5=BC=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- 修改文件类型校验逻辑，添加.csv和.pdf扩展名支持
- 实现大小写不敏感的文件扩展名校验（转为小写后判断）
- 更新错误提示信息为"仅支持 PDF、CSV、Excel 文件"
---
 .../ccdi/project/controller/CcdiFileUploadController.java   | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/ccdi-project/src/main/java/com/ruoyi/ccdi/project/controller/CcdiFileUploadController.java b/ccdi-project/src/main/java/com/ruoyi/ccdi/project/controller/CcdiFileUploadController.java
index 18d7776..3870664 100644
--- a/ccdi-project/src/main/java/com/ruoyi/ccdi/project/controller/CcdiFileUploadController.java
+++ b/ccdi-project/src/main/java/com/ruoyi/ccdi/project/controller/CcdiFileUploadController.java
@@ -62,8 +62,10 @@ public class CcdiFileUploadController extends BaseController {
                 return AjaxResult.error("文件 " + file.getOriginalFilename() + " 超过50MB限制");
             }
             String fileName = file.getOriginalFilename();
-            if (!fileName.endsWith(".xlsx") && !fileName.endsWith(".xls")) {
-                return AjaxResult.error("文件 " + fileName + " 格式不支持，仅支持Excel文件");
+            String lowerFileName = fileName.toLowerCase();
+            if (!lowerFileName.endsWith(".xlsx") && !lowerFileName.endsWith(".xls")
+                    && !lowerFileName.endsWith(".csv") && !lowerFileName.endsWith(".pdf")) {
+                return AjaxResult.error("文件 " + fileName + " 格式不支持，仅支持 PDF、CSV、Excel 文件");
             }
         }