Download
Download 对象通过 Page.Download 事件按页分派。
¥Download objects are dispatched by page via the Page.Download event.
当浏览器上下文关闭时，属于浏览器上下文的所有下载文件都将被删除。
¥All the downloaded files belonging to the browser context are deleted when the browser context is closed.
下载开始后就会触发下载事件。下载完成后，下载路径变为可用。
¥Download event is emitted once the download starts. Download path becomes available once download completes.
// Start the task of waiting for the download before clicking
var waitForDownloadTask = page.WaitForDownloadAsync();
await page.GetByText("Download file").ClickAsync();
var download = await waitForDownloadTask;
// Wait for the download process to complete and save the downloaded file somewhere
await download.SaveAsAsync("/path/to/save/at/" + download.SuggestedFilename);
方法
¥Methods
CancelAsync
Added in: v1.13取消下载。如果下载已经完成或取消，则不会失败。成功取消后，download.failure() 将解析为 'canceled'。
¥Cancels a download. Will not fail if the download is already finished or canceled. Upon successful cancellations, download.failure() would resolve to 'canceled'.
用法
¥Usage
await Download.CancelAsync();
返回
¥Returns
CreateReadStreamAsync
Added before v1.9成功下载时返回可读流，下载失败/取消时抛出异常。
¥Returns a readable stream for a successful download, or throws for a failed/canceled download.
用法
¥Usage
await Download.CreateReadStreamAsync();
返回
¥Returns
- [Stream]#
DeleteAsync
Added before v1.9删除下载的文件。如有必要，将等待下载完成。
¥Deletes the downloaded file. Will wait for the download to finish if necessary.
用法
¥Usage
await Download.DeleteAsync();
返回
¥Returns
FailureAsync
Added before v1.9如果有则返回下载错误。如有必要，将等待下载完成。
¥Returns download error if any. Will wait for the download to finish if necessary.
用法
¥Usage
await Download.FailureAsync();
返回
¥Returns
Page
Added in: v1.12获取下载所属的页面。
¥Get the page that the download belongs to.
用法
¥Usage
Download.Page
返回
¥Returns
PathAsync
Added before v1.9成功下载时返回已下载文件的路径，下载失败/取消时抛出异常。如有必要，该方法将等待下载完成。远程连接时该方法会抛出异常。
¥Returns path to the downloaded file for a successful download, or throws for a failed/canceled download. The method will wait for the download to finish if necessary. The method throws when connected remotely.
请注意，下载的文件名是随机 GUID，使用 Download.SuggestedFilename 获取建议的文件名。
¥Note that the download's file name is a random GUID, use Download.SuggestedFilename to get suggested file name.
用法
¥Usage
await Download.PathAsync();
返回
¥Returns
SaveAsAsync
Added before v1.9将下载内容复制到用户指定的路径。在下载仍在进行时调用此方法是安全的。如有必要，将等待下载完成。
¥Copy the download to a user-specified path. It is safe to call this method while the download is still in progress. Will wait for the download to finish if necessary.
用法
¥Usage
await download.SaveAsAsync("/path/to/save/at/" + download.SuggestedFilename);
参数
¥Arguments
应复制下载的路径。
¥Path where the download should be copied.
返回
¥Returns
SuggestedFilename
Added before v1.9返回此下载的建议文件名。它通常由浏览器根据 Content-Disposition 响应标头或 download 属性计算得出。请参阅 whatwg 上的规范。不同的浏览器可以使用不同的逻辑来计算它。
¥Returns suggested filename for this download. It is typically computed by the browser from the Content-Disposition response header or the download attribute. See the spec on whatwg. Different browsers can use different logic for computing it.
用法
¥Usage
Download.SuggestedFilename
返回
¥Returns
URL
Added before v1.9返回下载的 url。
¥Returns downloaded url.
用法
¥Usage
Download.Url
返回
¥Returns