使用 Selenium 实现页面加载失败重试机制

import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.support.ui.ExpectedCondition;
import org.openqa.selenium.support.ui.WebDriverWait;

public class PageLoadRetry {

    public static void waitForLoad(WebDriver driver, int timeoutInSeconds) {
        new WebDriverWait(driver, timeoutInSeconds).until((ExpectedCondition<Boolean>) wd ->
                ((JavascriptExecutor) wd).executeScript("return document.readyState").equals("complete"));
    }

    public static void openPageWithRetry(WebDriver driver, String url, int maxRetries, int timeoutInSeconds) {
        int retryCount = 0;
        boolean loaded = false;

        while (retryCount < maxRetries && !loaded) {
            try {
                driver.get(url);
                waitForLoad(driver, timeoutInSeconds);
                loaded = true;
            } catch (Exception e) {
                System.err.println("Page load failed, retrying... (Attempt " + (retryCount + 1) + ")");
                retryCount++;
                // Optional: Add a short delay before retrying
                try {
                    Thread.sleep(1000); // Wait for 1 second
                } catch (InterruptedException ie) {
                    Thread.currentThread().interrupt();
                }
            }
        }

        if (!loaded) {
            System.err.println("Page load failed after " + maxRetries + " retries.");
            // Handle the failure appropriately (e.g., throw an exception)
            throw new RuntimeException("Page load failed after multiple retries.");
        }
    }

    public static void main(String[] args) {
        // Example usage (replace with your WebDriver setup)
        // WebDriver driver = new ChromeDriver();
        // openPageWithRetry(driver, "https://example.com", 3, 30);
        // driver.quit();
    }
}