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@@ -77,10 +77,68 @@ public class FileMangerController {
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try {
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//文件原始名中的中文字符可能会乱码，对文件名进行URL编码
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String encodedFileName = URLEncoder.encode(fileName, StandardCharsets.UTF_8.toString());
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+ String s = systemFile.getOriginalName().substring(systemFile.getOriginalName().indexOf("."));
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+ String contentType = "application/octet-stream"; // 默认二进制流
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+ switch (s) {
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+ case ".xlsx":
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+ contentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
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+ break;
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+ case ".xls":
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+ case ".xlt":
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+ case ".xla":
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+ contentType = "application/vnd.ms-excel";
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+ break;
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+ case ".pdf":
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+ contentType = "application/pdf";
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+ break;
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+ case ".doc":
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+ case ".dot":
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+ contentType = "application/msword";
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+ break;
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+ case ".docx":
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+ contentType = "application/vnd.openxmlformats-officedocument.wordprocessingml.document";
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+ break;
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+ case ".dotx":
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+ contentType = "application/vnd.openxmlformats-officedocument.wordprocessingml.template";
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+ break;
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+ case ".docm":
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+ contentType = "application/vnd.ms-word.document.macroEnabled.12";
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+ break;
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+ case ".dotm":
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+ contentType = "application/vnd.ms-word.template.macroEnabled.12";
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+ break;
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+ case ".ppt":
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+ case ".pot":
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+ case ".pps":
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+ case ".ppa":
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+ contentType = "application/vnd.ms-powerpoint";
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+ break;
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+ case ".gif":
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+ contentType = "image/gif";
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+ break;
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+ case ".jpg":
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+ case ".jpeg":
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+ case ".jpe":
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+ case ".jfif":
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+ contentType = "image/jpeg";
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+ break;
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+ case ".tiff":
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+ case ".tif":
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+ contentType = "image/tiff";
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+ break;
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+ case ".png":
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+ contentType = "image/png";
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+ break;
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+ // 添加其他文件类型的case
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+ // ...
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+ default:
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+ // 如果不是已知的文件类型，则作为二进制流返回
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+ break;
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+ }
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return ResponseEntity.ok()
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.contentLength(fileData.length)
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.header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" + encodedFileName + "\"")
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- .contentType(MediaType.parseMediaType("application/octet-stream"))
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+ .contentType(MediaType.parseMediaType(contentType))
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.body(new InputStreamResource(new ByteArrayInputStream(fileData)));
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} catch (UnsupportedEncodingException e){
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throw new XiaoShiException("文件名取出时发生错误！");
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xiexiang