修复数据集重复问题

src/main/java/com/sztzjy/financial_bigdata/controller/stu/JupyterhubController.java

@@ -196,7 +196,7 @@ public class JupyterhubController {
     public ResultEntity uploadFileByIpynb(@RequestPart @ApiParam("文件")MultipartFile  file, @ApiParam("案例名")String caseName) {
 
 
-        String filepath = "/etc/jupyterhub/data/"+caseName;
+       String filepath = "/etc/jupyterhub/data/"+caseName;
 
 
         iFileUtil.uploadResource(file,filepath,caseName);

src/main/java/com/sztzjy/financial_bigdata/util/file/LocalFileUtil.java

@@ -243,6 +243,15 @@ public class LocalFileUtil implements IFileUtil {
             // 设置目标文件路径
             String result =  caseName == null ? file.getOriginalFilename() : caseName;
 
+            if (caseName == null)
+            {
+                File destFile = new File(relativePath + File.separator + result);
+
+                file.transferTo(destFile);
+                return;
+            }
+
+
             int i = file.getOriginalFilename().lastIndexOf(".");
             String substring = file.getOriginalFilename().substring(i);