Java 如何编写显式等待，直到找到特定的WebElement

这是显式等待的示例代码：

WebDriverWait wait = new WebDriverWait(driver, 10);
wait.until(ExpectedConditions.visibilityOfElementLocated(By.xpath("xpath-here")));

我想在方法中将WebElement作为参数传递，并等待找到该WebElement：

WebDriverWait wait = new WebDriverWait(driver, 10);
wait.until(ExpectedConditions.visibilityOfElementLocated(MyWebElement));

---

我不确定这样的选项是否已经存在，是否可以以不同的方式完成，因为在我的案例中，我得到了一个异常，因为我通过.xpath（“”）传递WebElement来代替

，这不是正确的方式。
您需要使用
的visibilityOf
预期条件

代码如下所示：

WebDriverWait wait = new WebDriverWait(driver, 10);
wait.until(ExpectedConditions.visibilityOf(MyWebElement));

希望它能帮助你
 是的，您无法传递web元素来代替XPath，因为方法“visibilityOfElementLocated（）”将仅由定位器接受

假设您的方法如下所示：

public static void waitUntilLocated(WebDriver driver, int waitingTime, By locator) {
    new WebDriverWait(driver, waitingTime).until(ExpectedConditions.visibilityOfElementLocated(locator));
}

然后，您可以按如下方式存储“按定位器”：

By someXPath = By.xpath("some xpath here");

然后您可以将“按定位器”作为参数传递给该方法

waitUntilLocated(driver, 30, someXPath);

以下是全部代码：

import java.net.URL;
import org.openqa.selenium.By;
import org.openqa.selenium.Keys;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.openqa.selenium.remote.RemoteWebDriver;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;

public class Test1 {

    public static void waitUntilLocated(WebDriver driver, int waitingTime, By locator) {
        new WebDriverWait(driver, waitingTime).until(ExpectedConditions.visibilityOfElementLocated(locator));
    }

    public static void main(String ...ali) throws Exception {
        DesiredCapabilities capabilities = new DesiredCapabilities();
        capabilities.setBrowserName("chrome");
        WebDriver driver = new RemoteWebDriver(new URL("http://127.0.0.1:1234/wd/hub"), capabilities);
        driver.get("http://www.google.com");
        driver.findElement(By.name("q")).sendKeys("Alicse3"+Keys.ENTER);

        // Checking element is located or not?
        By someXPath = By.xpath("some xpath here");
        waitUntilLocated(driver, 30, someXPath);

        // Checking some other element
        By someId = By.id("some id");
        waitUntilLocated(driver, 30, someId);
    }
}

或者，如果您希望将Web元素传递给该方法，并且不希望使用“visibilityOfElementLocated（）”，则可以执行以下操作：

我希望这会有帮助……
这应该能解决OPOW的问题？你试过我的答案了吗？谢谢。是的，它正在工作，谢谢。不客气！
import java.net.URL;
import org.openqa.selenium.By;
import org.openqa.selenium.Keys;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.openqa.selenium.remote.RemoteWebDriver;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;

public class Test1 {

    public static void waitUntilLocated(WebDriver driver, int waitingTime, WebElement element) {
        new WebDriverWait(driver, waitingTime).until(ExpectedConditions.visibilityOf(element));
    }

    public static void main(String ...ali) throws Exception {
        DesiredCapabilities capabilities = new DesiredCapabilities();
        capabilities.setBrowserName("chrome");
        WebDriver driver = new RemoteWebDriver(new URL("http://127.0.0.1:1234/wd/hub"), capabilities);
        driver.get("http://www.google.com");
        driver.findElement(By.name("q")).sendKeys("Alicse3"+Keys.ENTER);

        // Checking element is located or not?
        WebElement element = driver.findElement(By.xpath("Some XPath"));
        waitUntilLocated(driver, 30, element);

        // Checking some other element
        element = driver.findElement(By.id("Some ID"));
        waitUntilLocated(driver, 30, element);
    }
}