您说的很正确：
WindowHandles的排序方式将像最旧的窗口在前，最新的窗口在后。但是事实并非如此：这完全是随机的！
在讨论中，Simon明确提到：
While the datatype used for storing the list of handles may be ordered byinsertion, the order in which the WebDriver implementation iterates over thewindow handles to insert them has no requirement to be stable. The orderingis arbitrary.
因此， WebDriverWait
每次打开新的标签页/窗口时，我们都会引入，然后收集窗口句柄，并最终
switchTo().window(newly_opened)根据需要遍历窗口句柄：
请调整
Test Environment如果需要的话[我的配置-Selenium：3.5.3，IEDriverServer
：3.5.0.0（64位），IE：V10.0 ]
Java：
package demo;import java.util.Iterator;import java.util.Set;import org.openqa.selenium.By;import org.openqa.selenium.JavascriptExecutor;import org.openqa.selenium.WebDriver;import org.openqa.selenium.chrome.ChromeDriver;import org.openqa.selenium.firefox.FirefoxDriver;import org.openqa.selenium.ie.InternetExplorerDriver;import org.openqa.selenium.support.ui.ExpectedConditions;import org.openqa.selenium.support.ui.WebDriverWait;public class NEW_TAB_Handling { public static void main(String[] args) { System.setProperty("webdriver.ie.driver", "C:\Utility\BrowserDrivers\IEDriverServer.exe"); WebDriver driver = new InternetExplorerDriver(); driver.get("http://www.google.com"); String first_tab = driver.getWindowHandle(); System.out.println("Working on Google"); ((JavascriptExecutor) driver).executescript("window.open('http://facebook.com/');"); WebDriverWait wait = new WebDriverWait(driver,5); wait.until(ExpectedConditions.numberOfWindowsToBe(2)); Set<String> s1 = driver.getWindowHandles(); Iterator<String> i1 = s1.iterator(); while(i1.hasNext()) { String next_tab = i1.next(); if (!first_tab.equalsIgnoreCase(next_tab)) { driver.switchTo().window(next_tab); System.out.println("Working on Facebook"); } } String second_tab = driver.getWindowHandle(); ((JavascriptExecutor) driver).executescript("window.open('http://youtube.com/');"); wait.until(ExpectedConditions.numberOfWindowsToBe(3)); Set<String> s2 = driver.getWindowHandles(); Iterator<String> i2 = s2.iterator(); while(i2.hasNext()) { String next_tab = i2.next(); if (!first_tab.equalsIgnoreCase(next_tab) && !second_tab.equalsIgnoreCase(next_tab)) { driver.switchTo().window(next_tab); System.out.println("Working on Youtube"); } } driver.quit(); System.out.println("Quit the WebDriver instance"); }}控制台输出：
Working on GoogleWorking on FacebookWorking on YoutubeQuit the WebDriver instance
奥托罗
您可以在新标签Selenium + Python中的Open
web中找到基于python的讨论
