这篇教程python自动化测试selenium屏幕截图示例写得很实用，希望能帮到您。
WebDriver内置了测试中捕获屏幕并保存的方法。 
示例脚本： （1）save_screenshot(filename)：保存屏幕截图 from selenium import webdriverfrom time import sleep,strftime,localtime,timeimport osclass TestScreenShot(object): def setup(self): self.driver = webdriver.Chrome() self.driver.get("http://www.baidu.com") def test_screen(self): self.driver.save_screenshot("testbaidu.png") def teardown(self): self.driver.quit()if __name__ == '__main__': shot=TestScreenShot() shot.test_screen()（2）get_screenshot_as_base64()：获取当前屏幕截图base64编码字符串 from selenium import webdriverfrom time import sleep,strftime,localtime,timeimport os class TestScreenShot(object): def setup(self): self.driver = webdriver.Chrome() self.driver.get("http://www.baidu.com") def test_screen(self): self.driver.save_screenshot("testbaidu.png") print(self.driver.get_screenshot_as_base64()) def teardown(self): self.driver.quit()if __name__ == '__main__': shot=TestScreenShot() shot.test_screen()运行结果： 
（3）get_screenshot_as_file(filename)：获取当前屏幕截图，使用完整路径 from selenium import webdriverfrom time import sleep,strftime,localtime,timeimport os class TestScreenShot(object): def setup(self): self.driver = webdriver.Chrome() self.driver.get("http://www.baidu.com") def test_screen(self): self.driver.get_screenshot_as_file("testbaidu2.png") def teardown(self): self.driver.quit()if __name__ == '__main__': shot=TestScreenShot() shot.test_screen()（4）get_screenshot_as_file(filename)：获取当前屏幕截图，使用完整路径，文件名以时间命名 from selenium import webdriverfrom time import sleep,strftime,localtime,timeimport osclass TestScreenShot(object): def setup(self): self.driver = webdriver.Chrome() self.driver.get("http://www.baidu.com") def test_screen(self): # print(self.driver.get_screenshot_as_png()) # self.driver.get_screenshot_as_file("testbaidu2.png") # self.driver.save_screenshot("testbaidu.png") # print(self.driver.get_screenshot_as_base64()) self.driver.find_element_by_id("kw").send_keys("selenium test") self.driver.find_element_by_id("su").click() str = strftime("%Y-%m-%d-%H-%M-%S",localtime(time())) filename = str + ".png" path =os.path.abspath("screenshots") filepath=path + '/'+filename self.driver.get_screenshot_as_file(filepath) print(filepath) def teardown(self): self.driver.quit()if __name__ == '__main__': shot=TestScreenShot() shot.test_screen()（5）get_screenshot_as_png()：获取当前屏幕截图的二进制文件数据 from selenium import webdriverfrom time import sleep,strftime,localtime,timeimport os class TestScreenShot(object): def setup(self): self.driver = webdriver.Chrome() self.driver.get("http://www.baidu.com") def test_screen(self): print(self.driver.get_screenshot_as_png()) def teardown(self): self.driver.quit()if __name__ == '__main__': shot=TestScreenShot() shot.test_screen()运行结果： 
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