Selenium 2.0 web元素操做总结

1、常见元素操做

1 输入框(text field or textarea)

   找到输入框元素:web

WebElement element = driver.findElement(By.id("passwd-id"));cookie

在输入框中输入内容:app

element.sendKeys(“test”);dom

将输入框清空:ide

element.clear();url

获取输入框的文本内容:spa

element.getText();orm

 

2 下拉选择框(Select)

找到下拉选择框的元素:ip

Select select = new Select(driver.findElement(By.id("select")));ci

  选择对应的选择项:

select.selectByVisibleText(“mediaAgencyA”);

select.selectByValue(“MA_ID_001”);

 

不选择对应的选择项:

select.deselectAll();

select.deselectByValue(“MA_ID_001”);

select.deselectByVisibleText(“mediaAgencyA”);

或者获取选择项的值:

select.getAllSelectedOptions();

select.getFirstSelectedOption();

 

3 单选项(Radio Button)

找到单选框元素:

WebElement bookMode =driver.findElement(By.id("BookMode"));

选择某个单选项:

bookMode.click();

清空某个单选项:

bookMode.clear();

判断某个单选项是否已经被选择:

bookMode.isSelected();

 

4 多选项(checkbox)

多选项的操做和单选的差很少:

WebElement checkbox =driver.findElement(By.id("myCheckbox."));

checkbox.click();

checkbox.clear();

checkbox.isSelected();

checkbox.isEnabled();

 

5 按钮(button)

找到按钮元素:

WebElement saveButton = driver.findElement(By.id("save"));

点击按钮:

saveButton.click();

判断按钮是否enable:

saveButton.isEnabled ();

 

6 左右选择框

也就是左边是可供选择项,选择后移动到右边的框中,反之亦然。例如:

Select lang = new Select(driver.findElement(By.id("languages")));

lang.selectByVisibleText(“English”);

WebElement addLanguage =driver.findElement(By.id("addButton"));

addLanguage.click();

 

7 弹出对话框(Popup dialogs)

Alert alert = driver.switchTo().alert();

alert.accept();

alert.dismiss();

alert.getText();

 

8 表单(Form)

Form中的元素的操做和其它的元素操做同样,对元素操做完成后对表单的提交能够:

WebElement approve = driver.findElement(By.id("approve"));

approve.click();

approve.submit();//只适合于表单的提交

 

9 上传文件 (Upload File)

上传文件的元素操做:

WebElement adFileUpload = driver.findElement(By.id("WAP-upload"));

String filePath = "C:\test\\uploadfile\\media_ads\\test.jpg";

adFileUpload.sendKeys(filePath);

 

10 Windows 和 Frames之间的切换

通常来讲,登陆后建议是先:

driver.switchTo().defaultContent();

切换到某个frame:

driver.switchTo().frame("leftFrame");

从一个frame切换到另外一个frame:

driver.switchTo().frame("mainFrame");

切换到某个window:

driver.switchTo().window("windowName");

 

11 拖拉(Drag and Drop)

WebElement element =driver.findElement(By.name("source"));

WebElement target = driver.findElement(By.name("target"));

(new Actions(driver)).dragAndDrop(element, target).perform();

 

12 导航 (Navigationand History)

打开一个新的页面:

 driver.navigate().to("http://www.example.com");

 

经过历史导航返回原页面:

driver.navigate().forward();

driver.navigate().back();

2、 高级应用

1 改变user agent

User Agent的设置是平时使用得比较多的操做:

FirefoxProfile profile = new FirefoxProfile();

profile.addAdditionalPreference("general.useragent.override","some UA string");

WebDriver driver = new FirefoxDriver(profile);

2 读取Cookies

咱们常常要对的值进行读取和设置。

增长cookie:

// Now set the cookie. This one's valid for the entire domain

Cookie cookie = new Cookie("key", "value");

driver.manage().addCookie(cookie);

获取cookie的值:

// And now output all the available cookies for the current URL

Set<Cookie> allCookies = driver.manage().getCookies();

for (Cookie loadedCookie : allCookies) {

   System.out.println(String.format("%s -> %s",loadedCookie.getName(), loadedCookie.getValue()));

}

根据某个cookie的name获取cookie的值:

driver.manage().getCookieNamed("mmsid");

删除cookie:

 

// You can delete cookies in 3 ways

// By name

driver.manage().deleteCookieNamed("CookieName");

// By Cookie

driver.manage().deleteCookie(loadedCookie);

// Or all of them

driver.manage().deleteAllCookies();

 

3 调用Java Script

Web driver对Java Script的调用是经过JavascriptExecutor来实现的,例如:

JavascriptExecutor js = (JavascriptExecutor) driver;

js.executeScript("(function(){inventoryGridMgr.setTableFieldValue('"+ inventoryId + "','" + fieldName + "','"

                + value + "');})()");

 

4 Webdriver截图

若是用webdriver截图是:

driver = webdriver.Firefox()
driver.save_screenshot("C:\error.jpg");

 

5 页面等待

由于Load页面须要一段时间,若是页面还没加载完就查找元素,必然是查找不到的。最好的方式,就是设置一个默认等待时间,在查找页面元素的时候若是找不到就等待一段时间再找,直到超时。

Webdriver提供两种方法,一种是显性等待,另外一种是隐性等待。

显性等待:

WebDriver driver =new FirefoxDriver();

driver.get("http://somedomain/url_that_delays_loading");

WebElement myDynamicElement = (new WebDriverWait(driver, 10))

  .until(new ExpectedCondition<WebElement>(){

  @Override

  public WebElement apply(WebDriver d) {

    returnd.findElement(By.id("myDynamicElement"));

  }});

 

隐性等待:

WebDriver driver = new FirefoxDriver();

driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);

driver.get("http://somedomain/url_that_delays_loading");

WebElement myDynamicElement =driver.findElement(By.id("myDynamicElement"));

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