类 'WebDriver' 的未解析的特性引用 'find_element_by_css_selector'
时间: 2023-05-22 16:06:18 浏览: 159
这个问题通常是由于没有正确安装或导入WebDriver库造成的。请确保你已经正确地安装了WebDriver,并根据需要导入相关的库。同时,确保你正在正确地使用`find_element_by_css_selector`函数,并且引用所有必要的参数。
相关问题
WebDriver object has no attribute find_element_by_css_selector
`WebDriver`对象没有`find_element_by_css_selector`属性的错误通常是由于导入的模块不正确或使用了错误的方法导致的。正确的方法是使用`By`类来指定选择器类型,并使用`find_element`方法来查找元素。
以下是一个示例代码,演示如何使用`WebDriver`对象的`find_element`方法和`By.CSS_SELECTOR`来查找元素:
```python
from selenium import webdriver
from selenium.webdriver.common.by import By
# 创建WebDriver对象
driver = webdriver.Chrome()
# 打开网页
driver.get("https://www.example.com")
# 使用CSS选择器查找元素
element = driver.find_element(By.CSS_SELECTOR, "选择器路径")
# 打印元素文本
print(element.text)
# 关闭浏览器
driver.quit()
```
请注意,你需要根据实际情况替换示例代码中的网页URL和选择器路径。
webdriver object has no attribute find_element_by_css_selector
This error message usually indicates that you are trying to use the `find_element_by_css_selector` method on the wrong object.
Most likely, you are trying to use `find_element_by_css_selector` on a `webdriver` object, which does not have this method. Instead, you should use it on a `WebElement` object.
For example, if you want to find an element by its CSS selector, you can first use the `find_element` method to locate the element, and then use the `find_element_by_css_selector` method on the resulting `WebElement` object:
```
# Find the parent element
parent_element = driver.find_element(By.XPATH, '//div[@class="parent"]')
# Find the child element by CSS selector
child_element = parent_element.find_element_by_css_selector('.child')
```
Alternatively, you can use the `find_elements_by_css_selector` method on a `webdriver` object to find multiple elements that match the CSS selector:
```
# Find all elements with class "my-class"
elements = driver.find_elements_by_css_selector('.my-class')
```