量角器切换到上一个选项卡

protractor switch to previous tab(量角器切换到上一个选项卡)

问题描述

打开一个新标签(第二个)后，我试图切换到第一个标签.

After opening a new tab (second) I'm trying to switch to the first tab.

     common.clickOpenNewSession(); //it opens the new tab

 browser.getAllWindowHandles().then(function (handles) {
    var secondWindowHandle = handles[1];
    var firstWindowHandle = handles[0];
    browser.switchTo().window(secondWindowHandle).then(function () { //the focus moves on new tab
        browser.sleep(3000);
        expect(browser.driver.getCurrentUrl()).toContain("url");
//do some actions

    });
//below it doesn't work. I try to go back on previous tab without closing the second tab
    browser.actions().sendKeys(protractor.Key.CONTROL).sendKeys(protractor.Key.TAB).perform();
    browser.sleep(4000);
    browser.driver.switchTo().window(firstWindowHandle);
    browser.setLocation('http://google.com');
});

推荐答案

问题是你试图通过使用 ctrl + tab 转到上一个选项卡，而不是使用窗口句柄切换回来.这在 WebDriver 中不受支持，因为使用 ctrl + tab 是一种系统操作，不能在您的浏览器上为所有操作系统/浏览器模拟.只需再次使用 browser.switchTo().

The problem is that you're trying to go to the previous tab by using ctrl + tab, instead of using the window handles to switch back. This is not supported in WebDriver, because using ctrl + tab is a system operation, and can't be emulated on your browser for all OS/browsers. Just use browser.switchTo() again.

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