Selenium webdriver无法使用标记名识别页面上的链接

Question

Selenium在页面上显示的链接数为0，尽管页面上有很多链接。

这是我在java中的代码

dr.get("https://www.ebay.com");
List<WebElement> linksize = dr.findElements(By.tagName("a"));
System.out.println(linksize.size());

输出： 0

Answer 1

等到页面加载链接

将代码修改为

dr.get("https://www.ebay.com");
waitForLoad(dr); // Here you are calling the below method
List<WebElement> linksize = dr.findElements(By.tagName("a"));
System.out.println(linksize.size());

您可以使用以下方法作为您的工具，并可以随时调用

void waitForLoad(WebDriver driver) {
    ExpectedCondition<Boolean> pageLoadCondition = new
        ExpectedCondition<Boolean>() {
            public Boolean apply(WebDriver driver) {
                return ((JavascriptExecutor)driver).executeScript("return document.readyState").equals("complete");
            }
        };
    WebDriverWait wait = new WebDriverWait(driver, 30);
    wait.until(pageLoadCondition);
}

Answer 2

@Subhrapratim Bhattacharjee，似乎你需要等待页面加载。请尝试以下代码

WebDriver driver = new FirefoxDriver();
    driver.get("https://www.ebay.com");
    driver.manage().timeouts().pageLoadTimeout(30, TimeUnit.SECONDS);
    WebDriverWait wait = new WebDriverWait(driver, 30);
    List<WebElement> linksize = wait.until(ExpectedConditions.presenceOfAllElementsLocatedBy(By.tagName("a")));//driver.findElements(By.tagName("a"));
    System.out.println(linksize.size());