1

那是我的代码，我正在更改、修复、尝试其他模块，但仍然无法通过提取的 div 文本得到响应。

import selenium 
from selenium import webdriver

driver = webdriver.Firefox() 
driver.get('http://www.helloworld.com/')
element = driver.find_element_by_id('main')

WebElement = driver.findElement(By.xpath("//div[@class='main']"));
webElement.getText();

我正在尝试使用 bs4 包，但有一个大问题，因为我想要的数据只有在我登录网站时才能获得，并且在 bs4 中响应就像来自访客帐户，无需登录。

这是我使用 Selenium 获得的回溯代码：

Traceback (most recent call last):
  File "D:/Python27/get text value div.py", line 8, in <module>
    WebElement = driver.findElement(By.xpath("//div[@class='main']"));
AttributeError: 'WebDriver' object has no attribute 'findElement'

经过一个小修复后，我正在使用这个：

import selenium 
from selenium import webdriver

driver = webdriver.Firefox() 
driver.get('http://www.helloworld.com/')
element = driver.find_element_by_id('main')
main_text = element.text

print element.text在 shell之后的响应是：

回溯（最近一次通话最后）：

  File "<pyshell#20>", line 1, in <module>
    element.text
  File "D:\Python27\lib\selenium\webdriver\remote\webelement.py", line 50, in text
    return self._execute(Command.GET_ELEMENT_TEXT)['value']
  File "D:\Python27\lib\selenium\webdriver\remote\webelement.py", line 228, in _execute
    return self._parent.execute(command, params)
  File "D:\Python27\lib\selenium\webdriver\remote\webdriver.py", line 165, in execute
    self.error_handler.check_response(response)
  File "D:\Python27\lib\selenium\webdriver\remote\errorhandler.py", line 152, in check_response
    raise exception_class(message, screen, stacktrace)
WebDriverException: Message: u'\'[JavaScript Error: "a is null" {file: "file:///c:/dokume~1/tomek/lokale%20einstellungen/temp/tmpupvgr2/extensions/fxdriver@googlecode.com/components/command_processor.js" line: 7623}]\' when calling method: [nsICommandProcessor::execute]'
4

2 回答 2

8

您从哪里得到以下信息？对我来说看起来像Java。

 WebElement = driver.findElement(By.xpath("//div[@class='main']"));

webElement.getText();

尝试：

import selenium 
from selenium import webdriver

driver = webdriver.Firefox() 
driver.get('http://www.helloworld.com/')
element = driver.find_element_by_id('main')
print element.text #There's no text under div main, what would you expect?

footer = driver.find_element_by_id('footer')
print footer.text
# Should print out "Copyright ©2013 helloworld.com. All Rights Reserved. About Us   |  Privacy Policy "
于 2013-05-16T09:03:21.243 回答
0

如果您想要的信息在 id 的 div 中，botloc那么您需要获取该元素。

import selenium 
from selenium import webdriver

driver = webdriver.Firefox() 
driver.get('http://www.helloworld.com/')
bot_location = driver.find_element_by_id('botloc').text
print bot_location
于 2013-05-16T11:47:19.420 回答