支持显示上传进度，优化部分代码

src/main/java/com/github/zxbu/webdavteambition/store/TeambitionClientService.java

@@ -111,18 +111,22 @@ public class TeambitionClientService {
         LOGGER.info("文件预处理成功，开始上传。文件名：{}，上传URL数量：{}", path, uploadUrl.size());
 
         byte[] buffer = new byte[chunkSize];
-        for (String oneUploadUrl : uploadUrl) {
+        for (int i = 0; i < uploadUrl.size(); i++) {
+            String oneUploadUrl = uploadUrl.get(i);
             try {
                 int read = IOUtils.read(inputStream, buffer, 0, buffer.length);
                 if (read == -1) {
                     return;
                 }
                 client.upload(oneUploadUrl, buffer, 0, read);
+                LOGGER.info("文件正在上传上传。文件名：{}，当前进度：{}/{}", path, (i+1), uploadUrl.size());
+
             } catch (IOException e) {
                 throw new RuntimeException(e);
             }
         }
 
+
         UploadFinalRequest uploadFinalRequest = new UploadFinalRequest();
         uploadFinalRequest.setCcpFileId(uploadPreResult.getCcpFileId());
         uploadFinalRequest.setDriveId(client.getDriveId());

src/main/java/com/github/zxbu/webdavteambition/store/TeambitionFileSystemStore.java

@@ -84,6 +84,12 @@ public class TeambitionFileSystemStore implements IWebdavStore {
         LOGGER.info("setResourceContent {}", resourceUri);
         ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
         HttpServletRequest request = requestAttributes.getRequest();
+        String expect = request.getHeader("Expect");
+
+        // 支持大文件上传
+        if ("100-continue".equalsIgnoreCase(expect)) {
+            return 0;
+        }
         int contentLength = request.getContentLength();
         if (contentLength < 0) {
             contentLength = 0;