Selenium Webdriver wait预期条件失败：等待By.id定位的元素的可见性

学习者

我试图让Selenium Web驱动程序等待，但始终会出现异常“

org.openqa.selenium.TimeoutException：预期条件失败：等待By.id定位的元素的可见性：mobileNo（以100毫秒间隔尝试20秒）。

我将秒数增加到100，然后又遇到了同样的问题，我的ID是正确的。

    WebDriver d = new ChromeDriver();
    d.get("http://myurlOne");
    WebElement username = d.findElement(By.id("username_id"));          
    username.sendKeys("123");
    WebElement password = d.findElement(By.id("password_id"));
    password.sendKeys("123");
    d.findElement(By.id("loginButton")).click();
    System.out.println("logged in successfully");
    d.get("http://navigatedurl");
    JavascriptExecutor js = (JavascriptExecutor)d;  
    System.out.println("navigated to new page"); 
    WebDriverWait wait__mob = new WebDriverWait(d, 20);
    try {
        System.out.println("Start"+new Date());
        wait__mob .pollingEvery(100,TimeUnit.MILLISECONDS).until(ExpectedConditions.visibilityOfElementLocated(By.id("mobileNo")));
        d.findElement(By.id("mobileNo")).sendKeys("99999999999);
    } catch (TimeoutException e) {
        // TODO: handle exception
        System.out.println(e.toString());
    }

分区代码：

 <div class="form-group">
   <label class="col-xs-5 control-label" for="mobileNo">Mobile No.</label>
     <div class="col-xs-6 leftpadding-none">
        <input type="tel" class="form-control k-input" id="mobileNo" 
       name="inputmobileNo" placeholder="" maxlength="10"> <!--required 
       pattern="\d{10}" validationMessage="Mobile No. is Required"-->
  </div>

DebanjanB

根据WebDriverWait类的Java文档，如果要更改轮询间隔，则需要在构造函数中进行更改，因为构造函数如下：

WebDriverWait(WebDriver driver, long timeOutInSeconds, long sleepInMillis)

Wait will ignore instances of NotFoundException that are encountered (thrown) by default in the 'until' condition, and immediately propagate all others.

在尝试调用sendKeys()元素时继续前进，您需要调用ExpectedConditions方法elementToBeClickable。

因此您的代码将是：

WebDriver d = new ChromeDriver();
d.get("http://myurlOne");
WebElement username = d.findElement(By.id("username_id"));          
username.sendKeys("123");
WebElement password = d.findElement(By.id("password_id"));
password.sendKeys("123");
d.findElement(By.id("loginButton")).click();
System.out.println("logged in successfully");
d.get("http://navigatedurl");
System.out.println("navigated to new page"); 
WebDriverWait wait__mob = new WebDriverWait(d, 20);
try {
    System.out.println("Start"+new Date());
    wait__mob.until(ExpectedConditions.elementToBeClickable(By.xpath("//div[@class='form-group']//label[contains(.,'Mobile No.')]//following::div[1]/input[@class='form-control k-input' and @id='mobileNo' and @type='tel']"))).sendKeys("9999999999);
} catch (TimeoutException e) {
    System.out.println(e.toString());
}

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