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| | | import org.springframework.stereotype.Component; |
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| | | import org.springframework.web.multipart.MultipartFile; |
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| | | |
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| | | import javax.servlet.ServletOutputStream; |
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| | | import javax.servlet.http.HttpServletResponse; |
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| | | import java.io.ByteArrayOutputStream; |
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| | | import java.io.IOException; |
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| | |
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| | | */ |
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| | | public void downLoadFile(String file) { |
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| | | HttpServletResponse response = WebUtils.response(); |
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| | | ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); |
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| | | String replace = file.replace(rootSrc, ""); |
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| | | COSCredentials cred = new BasicCOSCredentials( |
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| | | secretId, |
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| | |
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| | | try { |
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| | | // 5. 下载文件并获取输入流 |
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| | | InputStream inputStream = cosClient.getObject(bucketName, replace).getObjectContent(); |
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| | | |
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| | | ServletOutputStream outputStream = response.getOutputStream(); |
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| | | // 6. 处理输入流，例如读取内容或保存到本地文件 |
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| | | // 这里仅作示例，实际应用中需要根据需求处理输入流 |
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| | | byte[] buffer = new byte[1024]; |
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| | | int len; |
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| | | while ((len = inputStream.read(buffer)) != -1) { |
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| | | // 处理读取到的数据 |
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| | | System.out.write(buffer, 0, len); |
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| | | outputStream.write(buffer, 0, len); |
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| | | } |
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| | | response.getOutputStream().write(byteArrayOutputStream.toByteArray()); |
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| | | } catch (Exception e) { |
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| | | e.printStackTrace(); |
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| | | } finally { |
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