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java - Selenium 使用 Java 无法点击 login.yahoo.com 页面中的广告图片

问题描述

我尝试了不同的定位器类型，但我总是无法找到元素

    System.setProperty("webdriver.chrome.driver", "C:/Progams/chromedriver/chromedriver.exe");
    WebDriver driver = new ChromeDriver();
    driver.manage().window().maximize();
    int threadTime = 1000;
    driver.get("https://login.yahoo.com/");
    driver.findElement(By.xpath("//*[@id=\'image-holder\']/img")).click();

我得到......

Exception in thread "main" org.openqa.selenium.NoSuchElementException: no such element: Unable to locate element: {"method":"xpath","selector":"//*[@id='image-holder']/img"}
  (Session info: chrome=85.0.4183.121)
For documentation on this error, please visit: https://www.seleniumhq.org/exceptions/no_such_element.html
Build info: version: '3.141.59', revision: 'e82be7d358', time: '2018-11-14T08:25:48'
System info: host: 'ELI-LAP', ip: '192.168.56.1', os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '14.0.2'
Driver info: org.openqa.selenium.chrome.ChromeDriver
Capabilities {acceptInsecureCerts: false, browserName: chrome, browserVersion: 85.0.4183.121, chrome: {chromedriverVersion: 85.0.4183.87 (cd6713ebf92fa..., userDataDir: C:\Users\eli\AppData\Local\...}, goog:chromeOptions: {debuggerAddress: localhost:63693}, javascriptEnabled: true, networkConnectionEnabled: false, pageLoadStrategy: normal, platform: WINDOWS, platformName: WINDOWS, proxy: Proxy(), setWindowRect: true, strictFileInteractability: false, timeouts: {implicit: 0, pageLoad: 300000, script: 30000}, unhandledPromptBehavior: dismiss and notify, webauthn:virtualAuthenticators: true}
Session ID: 414420227e5ad991f5af8fcdfbf67ca2
*** Element info: {Using=xpath, value=//*[@id='image-holder']/img}
    at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500)
    at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481)
    at org.openqa.selenium.remote.http.W3CHttpResponseCodec.createException(W3CHttpResponseCodec.java:187)
    at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:122)
    at org.openqa.selenium.remote.http.W3CHttpResponseCodec.decode(W3CHttpResponseCodec.java:49)
    at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:158)
    at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:83)
    at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:552)
    at org.openqa.selenium.remote.RemoteWebDriver.findElement(RemoteWebDriver.java:323)

标签： javaselenium-chromedriver

解决方案

通常在单击元素之前等待元素可单击是一个好主意（特别是如果这是页面加载后的第一个用户操作）。

尝试使用带有预期条件类的WebDriverWait ：

WebDriverWait(driver, 20).until(ExpectedConditions.elementToBeClickable(By.xpath("//*[@id=\'image-holder\']/img")).click();

（这代替driver.findElement(By.xpath("//*[@id=\'image-holder\']/img")).click();）。

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