package cc.mrbird.febs.ai.controller.fileUpload;
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import cc.mrbird.febs.common.controller.BaseController;
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import cc.mrbird.febs.common.entity.FebsResponse;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.http.HttpStatus;
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import org.springframework.web.bind.annotation.*;
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import org.springframework.web.multipart.MultipartFile;
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import javax.servlet.http.HttpServletResponse;
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import java.io.*;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.List;
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import java.util.UUID;
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/**
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* @author Administrator
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*/
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@Slf4j
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@RestController
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@RequiredArgsConstructor
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@RequestMapping(value = "/fileUpload")
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public class FileUploadController extends BaseController {
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// @Value("${file.upload.dir}")
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private String uploadDir = "d:/upload/files";
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// @Value("${file.chunk.dir}")
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private String chunkDir = "d:/upload/chunks";
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/**
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* 上传文件分片
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*/
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@PostMapping("/uploadChunk")
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public FebsResponse uploadChunk(@RequestParam("file") MultipartFile file,
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@RequestParam("fileName") String fileName,
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@RequestParam("chunk") int chunk,
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@RequestParam("chunks") int chunks,
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@RequestParam("fileMd5") String fileMd5) {
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try {
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// 确保分片目录存在
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Path chunkPath = Paths.get(chunkDir, fileMd5);
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if (!Files.exists(chunkPath)) {
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Files.createDirectories(chunkPath);
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}
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// 保存分片文件
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Path chunkFilePath = chunkPath.resolve(chunk + ".part");
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Files.write(chunkFilePath, file.getBytes());
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return new FebsResponse().success().message("分片上传成功");
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} catch (Exception e) {
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e.printStackTrace();
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return new FebsResponse().fail().message("分片上传失败: " + e.getMessage());
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}
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}
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/**
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* 合并文件分片
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*/
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@PostMapping("/mergeChunks")
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public FebsResponse mergeChunks(@RequestParam("fileName") String fileName,
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@RequestParam("fileMd5") String fileMd5,
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@RequestParam("chunks") int chunks) {
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try {
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// 确保上传目录存在
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Path uploadPath = Paths.get(uploadDir);
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if (!Files.exists(uploadPath)) {
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Files.createDirectories(uploadPath);
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}
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// 生成唯一文件名
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String uniqueFileName = UUID.randomUUID().toString() + "_" + fileName;
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Path targetFilePath = uploadPath.resolve(uniqueFileName);
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// 确保分片目录存在
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Path chunkPath = Paths.get(chunkDir, fileMd5);
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if (!Files.exists(chunkPath)) {
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return new FebsResponse().fail().message("分片目录不存在");
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}
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// 合并分片
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try (FileOutputStream outputStream = new FileOutputStream(targetFilePath.toFile())) {
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for (int i = 0; i < chunks; i++) {
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Path chunkFilePath = chunkPath.resolve(i + ".part");
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if (!Files.exists(chunkFilePath)) {
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return new FebsResponse().fail().message("分片文件不存在: " + chunkFilePath);
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}
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byte[] chunkBytes = Files.readAllBytes(chunkFilePath);
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outputStream.write(chunkBytes);
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// 删除已合并的分片
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Files.deleteIfExists(chunkFilePath);
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}
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}
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// 删除分片目录
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Files.deleteIfExists(chunkPath);
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// 保存文件信息到数据库或文件系统（这里简化处理）
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saveFileInfo(uniqueFileName, targetFilePath.toFile().length());
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return new FebsResponse().success().message("文件上传成功").data(uniqueFileName);
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} catch (Exception e) {
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e.printStackTrace();
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return new FebsResponse().fail().message("文件合并失败: " + e.getMessage());
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}
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}
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/**
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* 播放视频文件
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*/
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@GetMapping("/play/{fileName}")
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public void playVideo(@PathVariable("fileName") String fileName, HttpServletResponse response) {
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try {
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Path filePath = Paths.get(uploadDir, fileName);
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if (!Files.exists(filePath)) {
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response.setStatus(HttpStatus.NOT_FOUND.value());
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return;
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}
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// 设置响应头
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response.setContentType("video/mp4");
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response.setContentLengthLong(Files.size(filePath));
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response.setHeader("Content-Disposition", "inline; filename=\"" + fileName + "\"");
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// 流式传输文件
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try (InputStream inputStream = Files.newInputStream(filePath);
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OutputStream outputStream = response.getOutputStream()) {
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byte[] buffer = new byte[8192];
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int bytesRead;
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while ((bytesRead = inputStream.read(buffer)) != -1) {
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outputStream.write(buffer, 0, bytesRead);
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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response.setStatus(HttpStatus.INTERNAL_SERVER_ERROR.value());
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}
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}
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/**
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* 获取文件列表
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*/
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@GetMapping("/list")
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public FebsResponse getFileList() {
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try {
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Path uploadPath = Paths.get(uploadDir);
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if (!Files.exists(uploadPath)) {
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return new FebsResponse().data(new ArrayList<>());
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}
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List<FileInfo> fileList = new ArrayList<>();
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Files.list(uploadPath).forEach(path -> {
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if (Files.isRegularFile(path)) {
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try {
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FileInfo fileInfo = new FileInfo();
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fileInfo.setFileName(path.getFileName().toString());
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fileInfo.setFileSize(Files.size(path));
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fileInfo.setUploadTime(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date(Files.getLastModifiedTime(path).toMillis())));
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fileList.add(fileInfo);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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});
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return new FebsResponse().success().data(fileList);
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} catch (Exception e) {
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e.printStackTrace();
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return new FebsResponse().fail().message("获取文件列表失败: " + e.getMessage());
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}
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}
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/**
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* 删除文件
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*/
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@PostMapping("/delete")
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public FebsResponse deleteFile(@RequestParam("fileName") String fileName) {
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try {
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Path filePath = Paths.get(uploadDir, fileName);
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if (Files.exists(filePath)) {
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Files.delete(filePath);
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}
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return new FebsResponse().success().message("文件删除成功");
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} catch (Exception e) {
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e.printStackTrace();
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return new FebsResponse().fail().message("文件删除失败: " + e.getMessage());
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}
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}
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/**
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* 保存文件信息
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*/
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private void saveFileInfo(String fileName, long fileSize) {
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// 这里可以实现保存文件信息到数据库的逻辑
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// 简化处理，暂时不做数据库操作
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}
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/**
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* 文件信息实体类
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*/
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public static class FileInfo {
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private String fileName;
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private long fileSize;
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private String uploadTime;
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public String getFileName() {
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return fileName;
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}
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public void setFileName(String fileName) {
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this.fileName = fileName;
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}
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public long getFileSize() {
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return fileSize;
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}
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public void setFileSize(long fileSize) {
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this.fileSize = fileSize;
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}
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public String getUploadTime() {
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return uploadTime;
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}
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public void setUploadTime(String uploadTime) {
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this.uploadTime = uploadTime;
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}
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}
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}
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