FirefoxDriver firefoxDriver = new FirefoxDriver();

firefoxDriver.getScreenshotAs(OutputType type);

ChromeDriver chromeDriver = new ChromeDriver();

chromeDriver.getScreenshotAs(OutputType type);

InternetExplorerDriver ieDriver = new InternetExplorerDriver();

ieDriver.getScreenshotAs(OutputType type);

package cn.test;

import java.io.File;

import java.text.SimpleDateFormat;

import java.util.Date;

import org.apache.commons.io.FileUtils;

import org.openqa.selenium.By;

import org.openqa.selenium.OutputType;

import org.openqa.selenium.chrome.ChromeDriver;

import org.openqa.selenium.firefox.FirefoxDriver;

import org.openqa.selenium.ie.InternetExplorerDriver;

import org.testng.annotations.Test;

import cn.test.BaseCase;

public class Screenshots extends BaseCase {

    @Test

    public void test() {

        try {

            driver.get("http://www.baidu.com");//获取当前系统时间

            Date date = new Date();

            //定义系统时间输出格式

            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd_HH-mm-ss");

            String strTime = sdf.format(date);

            File img =null;

            if(driver instanceof ChromeDriver) {

                //将driver向下转型chromeDriver

                ChromeDriver chromeDriver = (ChromeDriver)driver;

                //调用chromeDriver.getScreenshotAs()方法得到截图文件

                img= chromeDriver.getScreenshotAs(OutputType.FILE);

            }else if(driver instanceof FirefoxDriver){

                FirefoxDriver firefoxDriver = (FirefoxDriver)driver;

                img = firefoxDriver.getScreenshotAs(OutputType.FILE);

            }else if(driver instanceof InternetExplorerDriver) {

                InternetExplorerDriver ieDriver = (InternetExplorerDriver)driver;

                img = ieDriver.getScreenshotAs(OutputType.FILE);

            }

            //使用commons.io包提供的FileUtils工具类,直接copy一份保存到指定路径下

            //copyFile方法传入的都是File类型

            FileUtils.copyFile( img, new File("src/test/resources/"+strTime+"_img.png"));

        } catch (Exception e) {

            e.printStackTrace();

        }

    }

}