SpringBoot在线代码修改器的问题及解决方法

@Data
public class SysFile {
 private Integer fileId;
 private String name;
 private Integer parentId;
 private String parentPath;
}

/**
 * 列表
 * @return
 */
@RequestMapping(value = "list", method = RequestMethod.POST)
public Result list() throws FileNotFoundException {
 String filePath = ResourceUtils.getURL("classpath:").getPath();
 List<SysFile> fileList = new ArrayList<>();
 getAllFilePaths(filePath,fileList,0,"");
 return Result.ok(fileList);
}

/**
 * 递归获取某目录下的所有子目录以及子文件
 * @param filePath
 * @param filePathList
 * @return
 */
private static List<SysFile> getAllFilePaths(String filePath, List<SysFile> filePathList,
   Integer level,String parentPath) {
 File[] files = new File(filePath).listFiles();
 if (files == null) {
 return filePathList;
 }
 for (File file : files) {
 int num = filePathList.size()+1;
 SysFile sysFile = new SysFile();
 sysFile.setName(file.getName());
 sysFile.setFileId(num);
 sysFile.setParentId(level);
 if (file.isDirectory()) {
 if(level==0){
 if(file.getName().equals("templates")||
  file.getName().equals("static")){
  filePathList.add(sysFile);
  parentPath = SystemConstant.SF_FILE_SEPARATOR+file.getName();
  getAllFilePaths(file.getAbsolutePath(), filePathList,num,parentPath);
  num++;
 }
 }else{
 filePathList.add(sysFile);
 String subParentPath = parentPath+SystemConstant.SF_FILE_SEPARATOR+file.getName();
 getAllFilePaths(file.getAbsolutePath(), filePathList,num,subParentPath);
 num++;
 }
 } else {
 if(level!=0){
 sysFile.setParentPath(parentPath+SystemConstant.SF_FILE_SEPARATOR+file.getName());
 filePathList.add(sysFile);
 num++;
 }
 }
 }
 return filePathList;
}

/**
 * 获取内容
 * @return
 */
@RequestMapping(value = "getContent", method = RequestMethod.POST)
public Result getContent(String filePath) throws FileNotFoundException {
 String path = ResourceUtils.getURL("classpath:").getPath();
 String content = FileUtil.readUtf8String(path+filePath);
 return Result.ok(content);
}

/**
 * 保存内容
 * @return
 */
@RequestMapping(value = "save", method = RequestMethod.POST)
public Result save(String filePath, String content) throws FileNotFoundException {
 String path = ResourceUtils.getURL("classpath:").getPath();
 /**
 * 生产环境自行解除
 */
 if(active.equals("prod")){
 return Result.error("演示环境禁止插插插！！！");
 }else{
 File file = new File(path+filePath);
 long lastModified = file.lastModified();
 FileUtil.writeUtf8String(content,path+filePath);
 file.setLastModified(lastModified);
 return Result.ok();
 }
}