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注意：只有满足显式等待要求，代码才会向后执行，当显式等待条件未满足时，在设定的最大显式等待时间区间内，会停在当前代码位置进行等待，直到设定的条件被满足，

才能继续执行后续的测试逻辑。如果超过设定的最大显式等待时间区间，程序会抛出异常，测试用例被认为执行失败。













package jkcs;import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.support.ui.ExpectedCondition;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;public class jdcs 
{public static void main(String[] args) throws InterruptedException {System.setProperty("webdriver.chrome.bin","‪C:\\Program Files (x86)\\Mozilla Firefox\\firefox.exe");    //设置安装路径，防止系统找不到WebDriver driver = new FirefoxDriver();driver.get("http://www.baidu.com");driver.manage().window().maximize();new WebDriverWait(driver,5).until(ExpectedConditions.titleIs("百度一下，你就知道"));   //标题是不是“百度一下，你就知道”System.out.println(new WebDriverWait(driver,5).until(ExpectedConditions.titleIs("百度一下，你就知道")));new WebDriverWait(driver,5).until(ExpectedConditions.titleContains("百度一下"));  //标题是不是包含“百度一下”System.out.println(new WebDriverWait(driver,5).until(ExpectedConditions.titleContains("百度一下")));driver.quit();}
}

执行结果：

true
true

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方式二：

package jkcs;import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.support.ui.ExpectedCondition;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;public class jdcs 
{public static void main(String[] args) throws InterruptedException {System.setProperty("webdriver.chrome.bin","‪C:\\Program Files (x86)\\Mozilla Firefox\\firefox.exe");    //设置安装路径，防止系统找不到WebDriver driver = new FirefoxDriver();driver.get("http://www.baidu.com");driver.manage().window().maximize();WebDriverWait wait = new WebDriverWait(driver,10);wait.until(ExpectedConditions.titleIs("百度一下，你就知道"));   //标题是不是“百度一下，你就知道”System.out.println(wait.until(ExpectedConditions.titleIs("百度一下，你就知道")));wait.until(ExpectedConditions.titleContains("百度一下"));  //标题是不是包含“百度一下”System.out.println(wait.until(ExpectedConditions.titleContains("百度一下")));driver.quit();}
}

执行结果：

true
true

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方式三：(转载)

package com.test.elementwait;import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.support.ui.ExpectedCondition;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;public class ExplicitWait {public static void main(String[] args) {WebDriver driver = new FirefoxDriver();driver.get("http://www.baidu.com");driver.manage().window().maximize();//标题是不是“百度一下，你就知道”new WebDriverWait(driver,5).until(ExpectedConditions.titleIs("百度一下，你就知道"));

//标题是不是包含“百度一下”new WebDriverWait(driver,5).until(ExpectedConditions.titleContains("百度一下"));

//判断该元素是否被加载在DOM中，并不代表该元素一定可见        new WebDriverWait(driver,5).until(ExpectedConditions.presenceOfElementLocated(By.xpath("//*[@id='kw']")));

//判断元素(定位后)是否可见new WebDriverWait(driver,5).until(ExpectedConditions.visibilityOf(driver.findElement(By.xpath("//*[@id='kw']"))));

//判断元素是否可见(非隐藏，并且元素的宽和高都不等以0)new WebDriverWait(driver,5).until(ExpectedConditions.visibilityOfElementLocated(By.xpath("//*[@id='kw']")));

//只要存在一个就是trueExpectedConditions.presenceOfAllElementsLocatedBy(By.xpath("//*[@id='kw']"));

//元素中的text是否包含语气的字符串ExpectedConditions.textToBePresentInElementLocated(By.xpath("//*[@id='kw']"), "百度一下");

//元素的value属性中是否包含语气的字符串ExpectedConditions.textToBePresentInElementValue(By.xpath("//*[@id='kw']"), "***");

//判断该表单是否可以切过去，可以就切过去并返回true，否则放回falseExpectedConditions.frameToBeAvailableAndSwitchToIt(By.id("**"));

//判断某个元素是否不存在于DOM或不可见ExpectedConditions.invisibilityOfElementLocated(By.xpath("//*[@id='kw']"));

//判断元素是否可以点击ExpectedConditions.elementToBeClickable(By.xpath("//*[@id='kw']"));

//等到一个元素从DOM中移除ExpectedConditions.stalenessOf(driver.findElement(By.xpath("//*[@id='kw']")));

//判断某个元素是否被选中，一般用在下拉列表ExpectedConditions.elementToBeSelected(By.xpath("//*[@id='kw']"));

//判断某个元素的选中状态是否符合预期ExpectedConditions.elementSelectionStateToBe(By.xpath("//*[@id='kw']"), true);

//判断某个元素(已定位)的选中状态是否符合预期ExpectedConditions.elementSelectionStateToBe(driver.findElement(By.xpath("//*[@id='kw']")), false);

//判断页面中是否存在alertnew WebDriverWait(driver,5).until(ExpectedConditions.alertIsPresent());//--------------------自定义判断条件-----------------------------WebDriverWait wait = new WebDriverWait(driver, 3);wait.until(new ExpectedCondition<Boolean>() {public Boolean apply(WebDriver driver) {return !driver.findElement(By.xpath("//*[@id='kw']")).getAttribute("class").contains("x-form-invalid-field");}});}}

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