package com.ruoyi.project.common;
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import com.ruoyi.basic.service.StorageBlobService;
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import com.ruoyi.basic.utils.FileUtil;
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import com.ruoyi.framework.aspectj.lang.annotation.Anonymous;
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import com.ruoyi.framework.web.domain.R;
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import io.swagger.v3.oas.annotations.Operation;
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import io.swagger.v3.oas.annotations.tags.Tag;
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import jakarta.servlet.http.HttpServletResponse;
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import lombok.AllArgsConstructor;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.core.io.FileSystemResource;
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import org.springframework.http.ContentDisposition;
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import org.springframework.http.MediaType;
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import org.springframework.http.ResponseEntity;
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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 java.io.File;
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import java.net.URLEncoder;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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import java.util.List;
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/**
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* 通用请求处理
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*
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* @author ruoyi
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*/
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@Tag(name = "通用接口")
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@AllArgsConstructor
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@RestController
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@RequestMapping("/common")
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public class CommonController {
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private static final Logger log = LoggerFactory.getLogger(CommonController.class);
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private final StorageBlobService storageBlobService;
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private final FileUtil fileUtil;
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// /**
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// * 通用下载请求
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// *
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// * @param fileName 文件名称
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// * @param delete 是否删除
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// */
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// @GetMapping("/download")
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// public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request)
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// {
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// try
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// {
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// if (!FileUtils.checkAllowDownload(fileName))
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// {
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// throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", fileName));
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// }
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// String realFileName = fileName.substring(fileName.indexOf("_") + 1);
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//
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// response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
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// FileUtils.setAttachmentResponseHeader(response, realFileName);
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// FileUtils.writeBytes(fileName, response.getOutputStream());
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/// / if (delete)
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/// / {
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/// / FileUtils.deleteFile(fileName);
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/// / }
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// }
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// catch (Exception e)
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// {
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// log.error("下载文件失败", e);
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// }
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// }
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//
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// /**
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// * 通用上传请求（单个）
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// */
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// @PostMapping("/upload")
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// public AjaxResult uploadFile(MultipartFile file) throws Exception
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// {
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// try
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// {
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// // 上传文件路径
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// String filePath = RuoYiConfig.getUploadPath();
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// // 上传并返回新文件名称
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// String fileName = FileUploadUtils.upload(filePath, file);
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// String url = serverConfig.getUrl() + fileName;
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// AjaxResult ajax = AjaxResult.success();
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// ajax.put("url", url);
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// ajax.put("fileName", fileName);
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// ajax.put("newFileName", FileUtils.getName(fileName));
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// ajax.put("originalFilename", file.getOriginalFilename());
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// return ajax;
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// }
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// catch (Exception e)
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// {
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// return AjaxResult.error(e.getMessage());
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// }
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// }
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//
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// /**
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// * 本地资源通用下载
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// */
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// @GetMapping("/download/resource")
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// public void resourceDownload(String resource, HttpServletRequest request, HttpServletResponse response)
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// throws Exception
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// {
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// try
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// {
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// if (!FileUtils.checkAllowDownload(resource))
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// {
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// throw new Exception(StringUtils.format("资源文件({})非法，不允许下载。 ", resource));
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// }
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// // 本地资源路径
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// String localPath = RuoYiConfig.getProfile();
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// // 数据库资源地址
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// String downloadPath = localPath + StringUtils.substringAfter(resource, Constants.RESOURCE_PREFIX);
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// // 下载名称
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// String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
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// response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
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// FileUtils.setAttachmentResponseHeader(response, downloadName);
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// FileUtils.writeBytes(downloadPath, response.getOutputStream());
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// }
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// catch (Exception e)
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// {
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// log.error("下载文件失败", e);
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// }
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// }
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@PostMapping({"/upload"})
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@Operation(summary = "文件上传")
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public R upload(@RequestParam("files") List<MultipartFile> files) throws Exception {
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return R.ok(storageBlobService.upload(files));
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}
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@GetMapping("/download/{fileName}")
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@Anonymous
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public void download(@PathVariable String fileName, @RequestParam("token") String token, HttpServletResponse response) throws Exception {
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File file = storageBlobService.getFileByToken(fileName, token);
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String originalFileName = storageBlobService.getDownloadFileName(fileName);
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String encodedFileName = URLEncoder.encode(originalFileName, StandardCharsets.UTF_8.name()).replace("+", "%20");
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response.setHeader("Content-Disposition", "attachment;filename*=UTF-8''" + encodedFileName);
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response.setContentLengthLong(file.length());
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Files.copy(file.toPath(), response.getOutputStream());
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}
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@GetMapping("/preview/{fileName}")
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@Anonymous
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public ResponseEntity<FileSystemResource> preview(@PathVariable String fileName,
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@RequestParam("token") String token) throws Exception {
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File file = fileUtil.compressFile(storageBlobService.getFileByToken(fileName, token));
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String contentType = Files.probeContentType(file.toPath());
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ContentDisposition contentDisposition = ContentDisposition.inline()
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.filename(fileName, StandardCharsets.UTF_8)
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.build();
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return ResponseEntity.ok()
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.contentType(MediaType.parseMediaType(contentType != null ? contentType : "application/octet-stream"))
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.contentLength(file.length())
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.header("Content-Disposition", contentDisposition.toString())
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.body(new FileSystemResource(file));
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}
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}
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