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2026-03-01 01:43:46 +08:00
commit c6125c117b
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+---
+日期: 2024-05-21 18:39
+来源: 测试
+---
+
+# 问题详情
+
+![](../../../../attachment/images-paste/image-20240521183926381.png)
+
+# 处理过程
+
+![](../../../../attachment/images-paste/image-20240521183940028.png)
+
+![](../../../../attachment/images-paste/image-20240521183947737.png)
+
+# 总结
+
+```java
+if (fileInfoDao.existsByFileName(name)) {  
+    throw new PlatformException("文件名重复，请修改文件名重新提交");  
+}
+/**  
+ * 检查是否存在具有指定文件名的文件信息  
+ *  
+ * @param fileName 文件名  
+ * @return 如果存在具有指定文件名的文件信息，则返回true；否则返回false  
+ */boolean existsByFileName(String fileName);
+```