[Selenium] Explicit wait 方法

(1)  new WebDriverWait(driver, 10). until(ExpectedConditions.elementToBeClickable(locator));

(2)  new WebDriverWait(driver, 10). until(ExpectedConditions.visibilityOf(locator));

(3)  new WebDriverWait(driver, 10). until(ExpectedConditions.presenceOfElementLocated(locator);

(4)

       Function<WebDriver, WebElement> waitFn = new Function<WebDriver, WebElement>() {

            @Override

            public WebElement apply(WebDriver driver) {

                return el.findElement(By.cssSelector("div.rptstatus.rptcomplete"));

            }

        };

        //Detect every 2 seconds,  the maximum time  is 120 seconds

       WebDriverWait wait = new WebDriverWait(driver, 120, 2);

       wait.withMessage("A processing icon should display in the Status column in the row.”)

       wait.until(waitFn);