1 package JavaTest; 2 ?3 import java.util.NoSuchElementException; 4 import org.openqa.selenium.By; 5 import org.openqa.selenium.WebDriver; 6 import org.openqa.selenium.WebElement; 7 import org.openqa.selenium.firefox.FirefoxDriver; 8 import org.openqa.selenium.support.ui.ExpectedCondition; 9 import org.openqa.selenium.support.ui.ExpectedConditions;10 import org.openqa.selenium.support.ui.WebDriverWait;11 12 public class Test {13 ????public static void main(String[] arg) throws InterruptedException14 ????{15 ????????WebDriver driver = new FirefoxDriver();16 ????????driver.get("http://www.baidu.com/");17 18 ????????/*19 ?????????* 设置显示等待时长：10秒；20 ?????????*/21 ????????WebDriverWait wait = new WebDriverWait(driver, 10);22 ????????23 ????????// 显示等待：标题是否出现：24 ????????try {25 ????????????wait.until(ExpectedConditions.titleContains("百度一下，你就知道"));26 ????????????System.out.println("百度首页的标题已出现");27 ????????} catch (NoSuchElementException e) { //如果标题没有找到，则抛出NoSuchElementException异常。28 ????????????e.printStackTrace();29 ????????????System.out.println("未找到百度首页的标题");30 ????????}31 ????????32 ????????//显示等待：搜索框是否出现33 ????????try {34 ????????????wait.until(ExpectedConditions.presenceOfElementLocated(By.id("su")));35 ????????????System.out.println("百度首页的搜索输入框已出现");36 ????????} catch (NoSuchElementException e) { //如果标题没有找到，则抛出NoSuchElementException异常。37 ????????????e.printStackTrace();38 ????????????System.out.println("未找到百度首页的输入框");39 ????????}40 ????????????????41 ????????//显示等待：页面搜索按钮是否可以被点击；42 ????????try {43 ????????????wait.until(ExpectedConditions.elementToBeClickable(By.id("kw")));44 ????????????System.out.println("百度首页的搜索按钮可以被点击");45 ????????} catch (NoSuchElementException e) { //如果标题没有找到，则抛出NoSuchElementException异常。46 ????????????e.printStackTrace();47 ????????????System.out.println("未找到百度首页的搜索按钮");48 ????????}49 50 ????????/*51 ?????????* 自定义显示等待，获取页面元素//*[@id=‘cp‘]的文本值52 ?????????*/53 ????????String text = (new WebDriverWait(driver, 10)).until(new ExpectedCondition<String>() {54 ????????????@Override55 ????????????public String apply(WebDriver driver){56 ????????????return driver.findElement(By.xpath("//*[@id=‘cp‘]")).getText();57 ????????????}58 ????????});59 ????????System.out.println(text); //打印文本值60 ????????61 ????????/*62 ?????????* 自定义显示等待，在等待代码中找到某个元素；63 ?????????*/64 ????????WebElement textInputBox = (new WebDriverWait(driver, 10)).until(new ExpectedCondition<WebElement>() {65 ????????????@Override66 ????????????public WebElement apply(WebDriver driver){67 ????????????return driver.findElement(By.xpath("//*[@id=‘kw‘]"));68 ????????????}69 ????????});70 ????????textInputBox.sendKeys("自定义显式等待，在等待代码中找到某个元素");71 ????????72 ????????driver.close();73 ????}74 }

 1 package JavaTest; 2 ?3 import java.util.NoSuchElementException; 4 import java.util.concurrent.TimeUnit; 5 import org.openqa.selenium.By; 6 import org.openqa.selenium.Keys; 7 import org.openqa.selenium.WebDriver; 8 import org.openqa.selenium.firefox.FirefoxDriver; 9 import org.openqa.selenium.interactions.Actions;10 11 public class Test {12 ????public static void main(String[] arg) throws InterruptedException13 ????{14 ????????WebDriver driver = new FirefoxDriver();15 16 ????????/*17 ?????????*设置全局隐式等待时间18 ??????????*使用implicitlyWait方法,设定查找元素的等待时间19 ?????????*当调用findElement方法的时候，没有立刻找到元素，就会按照设定的隐式等待时长等待下去20 ?????????*如果超过了设定的等待时间，还没有找到元素，就抛出NoSuchElementException异常21 ?????????*/22 ????????driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);23 ????????driver.get("http://www.baidu.com/");24 ????????25 ????????try26 ????????{27 ????????????driver.findElement(By.xpath("//*[@class=‘s_ipt‘]")).sendKeys("Java"); ?// 对百度输入框赋值28 ????????????driver.findElement(By.id("kw1")).sendKeys(Keys.chord(Keys.CONTROL,"A")); // 页面没有id为kw1的元素，此处报错29 ????????}catch(NoSuchElementException e) {30 ????????????//如果元素没有找到，则抛出NoSuchElementException异常。31 ????????????e.printStackTrace();32 ????????}33 ????????finally34 ????????{35 ????????????driver.close();36 ????????}37 ????}38 }

 1 from selenium import webdriver 2 from selenium.webdriver.common.by import By 3 from selenium.webdriver.support import expected_conditions as EC 4 ?5 # 启动Firefox浏览器 6 from selenium.webdriver.support.wait import WebDriverWait 7 ?8 driver = webdriver.Firefox() 9 driver.get(‘http://www.baidu.com‘)10 11 # 设置显示等待时间为10S12 wait = WebDriverWait(driver, 10)13 14 # 显示等待：页面标题是否包含“百度一下”15 try:16 ????wait.until(EC.title_contains(‘百度一下‘))17 ????print("百度首页的标题已出现")18 except Exception as e:19 ????print(e.args[0]) # 显示报错原因20 ????print(‘未找到百度首页的标题‘)21 22 # 显示等待：元素是否可见23 try:24 ????element = wait.until(EC.visibility_of(driver.find_element(By.ID,‘kw‘)))25 ????element.send_keys(‘Python‘)26 ????print(‘百度首页的搜索输入框可见‘)27 except Exception as e:28 ????print(e.args[0])29 ????print(‘百度首页的搜索输入框不可见‘)30 31 # 显示等待：元素是否可以点击32 try:33 ????element = wait.until(EC.element_to_be_clickable((By.XPATH,"//*[@id=‘su‘]")))34 ????element.click()35 ????print(‘百度首页的搜索按钮可以被点击‘)36 except Exception as e:37 ????print(e.args[0])38 ????print(‘未找到百度首页的搜索按钮‘)

 1 from time import * 2 from selenium import webdriver 3 from selenium.webdriver.common.by import By 4 from selenium.webdriver.common.keys import Keys 5 from selenium.common.exceptions import NoSuchElementException 6 ?7 # 启动Firefox浏览器 8 driver = webdriver.Firefox() 9 10 driver.implicitly_wait(10) # 设置隐式等待时间10S11 driver.get(‘http://www.baidu.com‘)12 13 try:14 ????print(ctime()) ?# 当前时间15 ????driver.find_element(By.XPATH,"//*[@class=‘s_ipt‘]").send_keys(‘Python‘) ?# 对百度输入框赋值16 ????driver.find_element(By.ID,‘kw2‘).send_keys(Keys.CONTROL, ‘A‘) ?# 页面没有id为kw2的元素，此处报错17 except NoSuchElementException as e:18 ????print(e) # 显示报错信息19 finally:20 ????print(ctime()) # 此处检查等待后的时间21 ????driver.close() # 结束

 1 class Baidu 2 ??require ‘rubygems‘ 3 ??require ‘selenium-webdriver‘ 4 ?5 ??# 打开firefox并输入网址 6 ??driver = Selenium::WebDriver.for :firefox 7 ??driver.navigate.to "http://www.baidu.com" 8 ?9 ??# 设置显式等待时间10S10 ??wait = Selenium::WebDriver::Wait.new(:timeout => 10)11 12 ??# 显示等待：元素是否显示(return [Boolean])13 ??begin14 ????wait.until {driver.find_element(:id => ‘kw‘).displayed?}15 ????puts "百度首页的搜索输入框可见"16 ??rescue => e17 ????puts e.message # 显示报错信息18 ??end19 20 ??# 显示等待：指定元素是否为空21 ??begin22 ????wait.until {driver.find_element(:id => ‘kw‘).attribute(‘value‘).empty?}23 ????puts "百度首页的搜索输入框为空"24 ??rescue => e25 ????puts e.message # 显示报错信息26 ??end27 ??# 显示等待：页面标题是否是指定标题28 ??begin29 ????wait.until {driver.title.eql?‘百度一下，你就知道‘}30 ????puts "页面标题是百度一下，你就知道"31 ??rescue => e32 ????puts e.message # 显示报错信息33 ??end34 35 36 ??# 显示等待：页面标题是否包含“百度一下”37 ??begin38 ????wait.until {driver.title.include?‘百度一下‘}39 ????puts "百度首页的标题已出现"40 ??rescue => e41 ????puts e.message # 显示报错信息42 ??ensure43 ????driver.quit44 ??end45 end

 1 class Baidu 2 ??require ‘rubygems‘ 3 ??require ‘selenium-webdriver‘ 4 ?5 ??# 打开firefox并输入网址 6 ??driver = Selenium::WebDriver.for :firefox 7 ?8 ??# 设置隐式等待时间10S 9 ??driver.manage.timeouts.implicit_wait = 1010 ??driver.navigate.to "http://www.baidu.com"11 12 ??begin13 ????driver.find_element(:name => ‘wd‘).send_keys(‘ruby‘) ?# 对百度输入框赋值14 ????driver.find_element(:id => ‘kw3‘).send_keys [:control,‘a‘] # 页面没有id为kw3的元素，此处报错15 ??rescue Selenium::WebDriver::Error::NoSuchElementError => e16 ????puts e.message # 显示报错信息17 ??ensure18 ????driver.close #退出程序19 ??end20 end