通过 websocket 接收文件并启动下载对话框 [英] receive file via websocket and initiate download dialog

问题描述

我的 HTML5 Web 应用程序通过 websocket 接收作为二进制数据的文件.有没有办法启动文件下载对话框(通过javascript)将接收到的数据保存到用户磁盘?

my HTML5 web application receives a file as binary data via a websocket. Is there any way to initiate a file download dialog (via javascript) to save the received data to the users disk?

谢谢！

推荐答案

您需要构建一个 dataUri 并用它打开一个新窗口.特定的 mimetypes 可以触发浏览器的自动另存为对话框.

You need to build a dataUri and open a new window with this. Specific mimetypes can trigger the browser's automatic save as dialog.

示例数据uri:"data:application/octet-stream,base64" + base64binary

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