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[英]how to handle keep and discard option button when file is downloaded using selenium webdriver in c#
[英]How to rename downloaded file using selenium c# webdriver
在我的 Web 应用程序中,它具有一些从网站下载文件的自动化过程。 为此,我使用了 selenium c# chrome 驱动程序。
示例代码片段
public void Download(string name,string pass)
{
try
{
ChromeOptions options = new ChromeOptions();
options.AddArguments("--proxy-server=http://192.168.5.62:8095");
options.AddUserProfilePreference("safebrowsing.enabled", true);
options.AddUserProfilePreference("disable-popup-blocking", "true");
options.AddUserProfilePreference("download.default_directory",@"C:\Temp");
using (var driver = new ChromeDriver(HostingEnvironment.ApplicationPhysicalPath, options)){
//driver.findElement(By.xpath("//a/u[contains(text(),'Re-Submit')]")).click();
driver.FindElementById("save").Click();
}
}
catch (Exception ex)
{
Logger.LogWriter("LAS", ex, "CusDataLogic", "Download");
}
}
上面的代码(不是完整的代码)工作正常并正确保存文件。 但我需要重命名该文件下载或下载后。 有任何可能的方法来重命名该文件吗?
已编辑:请不要将此标记为重复。 我要的是 C#,而不是 python。 我也看到了这个问题。 但这对我没有帮助
监视目录并不总是好的,因为有时保存的文件名与 URL 中的文件名不同。
转到chrome下载页面并循环直到所有下载完成,您可以在下面看到如何使用CSS选择器选择特殊元素#shadow-root
using (var driver = new ChromeDriver(HostingEnvironment.ApplicationPhysicalPath, options)))
{
//driver.findElement(By.xpath("//a/u[contains(text(),'Re-Submit')]")).click();
driver.FindElementById("save").Click();
// wait 5 second until download started
Thread.Sleep(5000);
// Go to chrome download page
driver.Navigate().GoToUrl("chrome://downloads/");
string oldName = "";
bool downloadcomplete = false;
string cssNames = "downloads-manager /deep/ downloads-item /deep/ [id='name']";
string cssDlProgress = "downloads-manager /deep/ downloads-item /deep/ [class*='show-progress']";
while (!downloadcomplete)
{
var progressElements = driver.FindElements(By.CssSelector(cssDlProgress));
// check until no download progress bar
if (progressElements.Count() == 0)
{
oldName = driver.FindElement(By.CssSelector(cssNames)).Text;
downloadcomplete = true;
}
else
{
// download still in progress, wait.
Thread.Sleep(1000);
}
}
// download complete
// remove downloaded file
driver.FindElement(By.CssSelector("downloads-manager /deep/ downloads-item /deep/ [id='remove']")).Click();
// rename
File.Move(@"C:\Temp\" + oldName, @"C:\Temp\newname.ext");
}
下面的代码段将等到文件下载然后返回 FilePath 我把它写成扩展方法:
public static string GetDonwloadedFileName(this IWebDriver driver)
{
IJavaScriptExecutor js = (IJavaScriptExecutor)driver;
js.ExecuteScript("window.open()");
var allWinowHandles = driver.WindowHandles;
foreach (var winHandle in allWinowHandles)
{
//Switch to second window
if (!winHandle.Equals(driver.CurrentWindowHandle))
{
driver.SwitchTo().Window(winHandle);
}
}
// navigate to chrome downloads
driver.Navigate().GoToUrl("chrome://downloads");
IJavaScriptExecutor downloadWindowExecutor = (IJavaScriptExecutor)driver;
// Wait for Download till 100% completion
double percentageProgress = (double)0;
while (percentageProgress != 100)
{
try
{
percentageProgress = (long)downloadWindowExecutor.ExecuteScript("return document.querySelector('downloads-manager').shadowRoot.querySelector('#downloadsList downloads-item').shadowRoot.querySelector('#progress').value");
Thread.Sleep(100);
}
catch (Exception)
{
break;
}
}
string fileTitle = (string)downloadWindowExecutor.ExecuteScript("return document.querySelector('downloads-manager').shadowRoot.querySelector('#downloadsList downloads-item').shadowRoot.querySelector('#show').getAttribute('title')");
downloadWindowExecutor.ExecuteScript("window.close()");
return fileTitle;
}
然后您可以使用文件路径将其重命名为您需要的任何内容
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