使用Struts2的StreamResult进行文件下载. webRoot文件夹下新建了一个文件夹from,里边放了两张图片分别是IMG_0968.jpg和IMG_0975.jpg.以下载这两张图片为例: downLoad.jsp页面: 流的方式下载第一张图片 流的方式下载第二张图片 StreamDownloadAction页面: StreamDownloadAction struts.xml页面: <?xml version="...
from django.http import HttpResponse, Http404, FileResponse def file_response_download1(request, file_path): try: response = FileResponse(open(file_path, 'rb')) response['content_type'] = "application/octet-stream" response['Content-Disposition'] = 'attachment; filename=' + os.path.basenam...
Package Sidebar Install npm i response-stream Repository github.com/substack/response-stream Homepage github.com/substack/response-stream#readme Weekly Downloads 2,060 Version 0.0.0 License MIT Last publish 13 years ago Collaborators Try on RunKit Report malware...
python通过StreamingHttpResponse实现大文件下载,vue通过http的onDownloadProgress实现下载进度条,1.python后台实现下载接口1.1通用文件流下载importosimporttimefromdjango.httpimportStreamingHttpResponsedefdownload_file_blob(name,url):""":paramname:文件...
@GetMapping("/download") public void downloadFile(HttpServletResponse response) throws IOException { response.setContentType("application/octet-stream"); response.setHeader("Content-Disposition", "attachment; filename=\"example.txt\""); StreamingResponseBody responseBody = outputStream -> { // 从文...
ServletOutputStream os=response.getOutputStream();os.print("东边的大西瓜");os.close(); 这里出现了报错500,我们前面在讲HTTP协议的时候提到过,当状态码为500时是服务器端出现错误,这里当然指的就是Tomcat。 为了弄清根本原因,我们进入eclipse去看一下报错信息: ...
String realpath = getServletContext().getRealPath("download/"+filename); //获取字节输入流 FileInputStream fis =new FileInputStream(realpath); //开始复制 byte[] bytes=new byte[1024]; int len=0; while((len=fis.read(bytes))!=-1){ ...
@WebServlet("/download")publicclassDownloadServletextendsHttpServlet{protectedvoiddoGet(HttpServletRequestrequest,HttpServletResponseresponse)throwsServletException,IOException{// 设置文件路径StringfilePath="/path/to/file/example.pdf";// 创建文件输入流Filefile=newFile(filePath);FileInputStreamfis=newFileInput...
Generally speaking, you would perform expensive tasks outside of the request-response cycle, rather than resorting to a streamed response. When serving under ASGI, however, a StreamingHttpResponse need not stop other requests from being served whilst waiting for I/O. This opens up the possibility...
I am trying to reimplement a similar software to peerflix (https://github.com/mafintosh/peerflix), which basically downloads a content, and stream it then. It uses nodejs, which I would like to avoid, and i was wondering if it was possible to do such thing with fastapi. (some people ...