Using Python and WebDriver to automatically fill in table data on web pages

Use Python and WebDriver to automatically fill in form data on web pages

Automated testing is an important part of the software development process, one of which is the automatic filling of web forms. For developers, filling out forms manually is a tedious and error-prone process. Using Python and WebDriver to automatically fill in table data during the automatic testing process can reduce manual duplication of work and improve testing efficiency.

In this article, I will introduce how to use Python’s Selenium library and WebDriver to automatically fill in web forms. First, we need to make sure we have the Python and Selenium libraries installed.

from selenium import webdriver
from selenium.webdriver.common.keys import Keys

# 创建WebDriver实例
driver = webdriver.Chrome()  # 这里使用Chrome浏览器作为示例，你也可以使用其他浏览器

# 打开网页
driver.get("http://example.com/form")

# 找到表单输入框并填入数据
driver.find_element_by_name("name").send_keys("John Smith")
driver.find_element_by_name("email").send_keys("john@example.com")
driver.find_element_by_name("message").send_keys("Hello, World!")

# 提交表单
driver.find_element_by_name("submit").click()

# 关闭浏览器
driver.quit()

In the above code example, we first imported the selenium library and Keys class. The Keys class is used to simulate keyboard operations. Next, we created a WebDriver instance, here we used the Chrome browser, you can also choose other browsers as needed.

Then, we opened the URL of a form page through the driver.get() method. You need to replace it with your own web form address. Next, we use the find_element_by_name() method to find the form input box, and use the send_keys() method to fill in the corresponding data.

Finally, we use the find_element_by_name() method to find the submit button of the form, and use the click() method to simulate a click operation to submit the form. Finally, close the browser using the driver.quit() method.

This is just a simple example. In actual application, you may need to write more complex auto-fill code based on the specific structure and requirements of the web form. In addition, you can also combine with other Python libraries, such as Beautiful Soup, to achieve more advanced web page data processing and automatic filling operations.

In actual applications, you may need to handle some special situations, such as handling drop-down lists, multi-select boxes, date selection, etc. For these situations, Selenium provides corresponding methods and properties to obtain and manipulate elements. You can use the find_element_by_* series of methods to find the corresponding element, and then use the element's API to operate.

Summary:
Through this article, we learned how to use Python and WebDriver to realize the function of automatically filling table data on web pages. Using Python's Selenium library and WebDriver, we can automate the form filling process, saving time and improving efficiency. In practical applications, we can also use other Python libraries according to needs to handle special situations and achieve more complex automated operations. I hope this article is helpful to you, and I wish you good luck in your automated testing work!

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