presenceOfElementLocated()和presenceOfAllElementsLocatedBy()的区别在于硒

import org.openqa.selenium.By;
import org.openqa.selenium.NoSuchElementException;
import org.openqa.selenium.TimeoutException;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;

public class SeleniumWaitExample {
    public static void main(String[] args) {
        WebDriver driver = // 初始化WebDriver
        WebDriverWait wait = new WebDriverWait(driver, 10); // 设置等待时间为10秒

        try {
            // 使用presenceOfElementLocated()方法
            WebElement singleElement = wait.until(ExpectedConditions.presenceOfElementLocated(By.id("singleElementId")));
            System.out.println("找到单个元素: " + singleElement.getText());

            // 使用presenceOfAllElementsLocatedBy()方法
            List<WebElement> multipleElements = wait.until(ExpectedConditions.presenceOfAllElementsLocatedBy(By.className("multipleElementsClass")));
            System.out.println("找到多个元素: " + multipleElements.size());
        } catch (NoSuchElementException e) {
            System.out.println("没有找到指定的单个元素");
        } catch (TimeoutException e) {
            System.out.println("没有在指定时间内找到所有匹配的元素");
        } finally {
            driver.quit(); // 关闭浏览器
        }
    }
}