selenium教程——常用方法

前面我们已经学习了定位元素， 定位只是第一步， 定位之后需要对这个元素进行操作， 或单击（按钮） 或 输入（输入框） ， 下面就来认识这些最常用的方法。 

 

 import java.io.File;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.NoSuchElementException;
import java.util.Set;

import org.apache.commons.io.FileUtils;
import org.apache.log4j.Logger;
import org.openqa.selenium.Alert;
import org.openqa.selenium.By;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.NoAlertPresentException;
import org.openqa.selenium.NoSuchWindowException;
import org.openqa.selenium.OutputType;
import org.openqa.selenium.StaleElementReferenceException;
import org.openqa.selenium.TakesScreenshot;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.interactions.Actions;
import org.openqa.selenium.os.WindowsUtils;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.Select;
import org.openqa.selenium.support.ui.WebDriverWait;
import org.testng.Assert;

public class SeleniumUtil {    
    private static WebDriver driver;
    public Logger logger=Logger.getLogger(SeleniumUtil.class);
    public SeleniumUtil(WebDriver driver) {
        SeleniumUtil.driver = driver;
        
    }
     //获取网页title
    public  String getTitle(){
        return driver.getTitle();
        
    }
    //强制等待
    public static void sleepTime(int num){
        try {
            Thread.sleep(num);
        } catch (InterruptedException e) {
            e.printStackTrace();
            
        }
    }
    
//获取当前网页的url
    public  String getCurrentUrl(){
        return driver.getCurrentUrl();
    }
    
    public  String PageSource(){
        return driver.getPageSource();
    }
    //浏览器最大化
    public  void windowMaxSize(){
        driver.manage().window().maximize();
      
    }
    
    //关闭当前页面  
    public void closePage(){
        driver.close();
    }
    
    //关闭浏览器
    
    public void closeBroser(){
        driver.quit();
    }
    
    /**
     * 
     * @Title: switchFrame   
     * @Description: TODO(跳转到frame，以下通过重载实现不同方式跳转到frame)   
     */

    public void switchFrame(int num){
        driver.switchTo().frame(num);
        logger.info("根据索引进入frame");
    }
    public void switchFrame(String FrameName){
        driver.switchTo().frame(FrameName);
        logger.info("根据name进入frame");
    }
    public void switchFrame(WebElement webElement){
        driver.switchTo().frame(webElement);
        logger.info("根据frame的具体元素进入frame");
    }
    
    public void initFrame(){
        driver.switchTo().defaultContent();
        logger.info("返回值frame的初始位置");
    }
    
    public void BrowserBack(){
        driver.navigate().back();
        logger.info("点击浏览器返回按钮");
    }
    
    public void BrowserForWard(){
        driver.navigate().forward();
        logger.info("点击浏览器前进按钮");
    }
    
    public void sendKey(WebElement we, String key){
        we.clear();
        we.sendKeys(key);
    }
    
    public void doubleClick(WebElement we){
        Actions action=new Actions(driver);
        action.doubleClick(we).build().perform();
        logger.info("对元素"+we+"进行双击操作");
    }
    
    public void selectByIndex(WebElement element,int num){
        Select select=new Select(element);
        select.selectByIndex(num);
        logger.info("选择下拉框第"+(num+1)+"个选项");
    }
    
    public void selectByValue(WebElement element,String value){
        Select select=new Select(element);
        select.selectByValue(value);
        logger.info("选择下拉框"+value+"选项");
    }
    
    public void selectByText(WebElement element,String content){
        Select select=new Select(element);
        select.selectByVisibleText(content);;
        logger.info("选择下拉框"+content+"选项");
    }
    
    public void checkSelectText(WebElement we,List<String> expect_option){
        Select select =new Select(we);
        List<String> actual_option=new ArrayList<>();
        for (WebElement option : select.getOptions()) {
            actual_option.add(option.getText());
            Assert.assertEquals(expect_option.toArray(),actual_option.toArray() );
        logger.info(expect_option.toArray()+"与预期结果一致");
        }
    }
    
    public boolean is_selected(WebElement we){
        try {
            logger.info("元素被选中");
            return we.isSelected();
        } catch (Exception e) {
            e.printStackTrace();
        }
        
        return false;
    
    }

    public void killIeProcess(){
        WindowsUtils.tryToKillByName("iexplore.exe");
        logger.info("杀掉ie进程");
    }
    
    public void killFireFoxProcess(){
        WindowsUtils.tryToKillByName("firefox.exe");
        logger.info("杀掉火狐进程");
    }
    
    public void killChromeProcess(){
        WindowsUtils.tryToKillByName("chrome.exe");
        logger.info("杀掉chrome进程");
    }
    public void killProcess(String name){
        WindowsUtils.tryToKillByName(name);
        logger.info("杀掉"+name+"进程");
    }
    
    //对屏幕进行截屏
    
    public  void ScreenInCurrentWindow(File outFile){
        
        File scrFile=((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE);//依赖driver
        try {
            FileUtils.copyFile(scrFile, outFile);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    //拖曳某个元素，不常用
    public void dragPageElement(WebElement we,int row,int raw){
        new Actions(driver).dragAndDropBy(we, row, raw).build().perform();
    }
    //在元素上悬浮
    public void hoverOnElement(WebElement we){
        Actions actions=new Actions(driver);
        actions.moveToElement(we).perform();
        logger.info("指定元素上悬浮");
    }
    /**
     * 
     * @Title: identifyPopupWindowByTitle   
     * @Description: TODO(根据title，跳转到不同的handle，既就是不同窗口之间的切换)   
     * @param: @param parialTitleName      
     * @return: void
     */
    public void identifyPopupWindowByTitle(String parialTitleName){
        Set<String> handles=driver.getWindowHandles();
        String titleName;
        for (String handle : handles) {
            titleName=driver.switchTo().window(handle).getTitle();
            if (titleName.contains(parialTitleName)) {
                break;
            }
        }
        
    }
    //判断alert框是否存在
    public boolean isAlertExist() {
        try {
            driver.switchTo().alert();
            return true;
        } catch (NoAlertPresentException ex1) {
            return false;
        } catch (NoSuchWindowException ex2) {
            return false;
        }
    }

    //确认操作
    public void alertAccept(){
        Alert alert=driver.switchTo().alert();
        alert.accept();
    }
    //取消操作
    public void alertDismiss(){
        Alert alert=driver.switchTo().alert();
        alert.dismiss();
    }
    //alter框输入内容
   public void alertPrompt(String content){
        Alert alert=driver.switchTo().alert();
        alert.sendKeys(content);
    }
    

    //使用js室滚动条下滑，col 和row 控制滑动的像素
    
    public   void scrollingByCoordinatesofApage(int col,int row){
        String js="window.scrollBy("+col+","+row+")";
        ((JavascriptExecutor)driver).executeScript(js);
    
    }
    
    //在指定超时时间内元素是否存在，如存在返回结果，不存在会在超时后返回结果。单位是秒   

    public static boolean isElementExist(By by,int timeout){
        try {
            new WebDriverWait(driver, timeout).until(ExpectedConditions.presenceOfElementLocated(by));
            return true;
        } catch (Exception e) {
            return false;
        }
    }             
    
     public static  boolean isElementPresent(By by){
          try{
              driver.findElement(by);
              return true;
          }catch(Exception e){
              return false;
          }

      }
    

     
     public  void jsClick(WebElement element) {
         try {
             if (element.isDisplayed() && element.isEnabled()) {
                 ((JavascriptExecutor)driver).executeScript("arguments[0].click();",element);
            }else {
                logger.info("页面的元素无法进行单击操作");
            }
             
        } catch (StaleElementReferenceException e) {
            logger.error("页面元素没有附加在网页中"+e.getStackTrace());
        }catch (NoSuchElementException e) {
            logger.error("在页面中没有找到要操作的页面元素"+e.getStackTrace());
        }
         catch (Exception e) {
                logger.error("无法完成单击动作"+e.getStackTrace());
        }
     }

     //对当前元素进行高亮显示
     public void highlightElement(WebElement element) {
         JavascriptExecutor jsExecutor=(JavascriptExecutor)driver;
         jsExecutor.executeScript("arguments[0].setAttribute('style',arguments[1]);", element,"background:yellow;border:2px solid red");
     }

}