element.get_attribute("xpath")
时间: 2024-04-22 08:26:20 浏览: 199
查看网页元素的xpath
Apologies for the confusion, but the `get_attribute()` method in Selenium does not directly retrieve the XPath of an element. It is used to retrieve the value of a specific attribute of an element.
To obtain the XPath of an element using Selenium in Python, you can make use of the `selenium.webdriver.common.by.By` class and the `find_element()` method. Here's an example:
```python
from selenium import webdriver
from selenium.webdriver.common.by import By
driver = webdriver.Firefox()
driver.get("https://www.example.com")
element = driver.find_element(By.XPATH, "//div[@id='myElement']")
xpath = driver.execute_script("function absoluteXPath(element) {\
var comp, comps = [];\
var parent = null;\
var xpath = '';\
var getPos = function(element) {\
var position = 1, curNode;\
if (element.nodeType == Node.ATTRIBUTE_NODE) {\
return null;\
}\
for (curNode = element.previousSibling; curNode; curNode = curNode.previousSibling) {\
if (curNode.nodeName == element.nodeName) {\
++position;\
}\
}\
return position;\
};\
if (element instanceof Document) {\
return '/';\
}\
for (; element && !(element instanceof Document); element = element.nodeType == Node.ATTRIBUTE_NODE ? element.ownerElement : element.parentNode) {\
comp = comps[comps.length] = {};\
switch (element.nodeType) {\
case Node.TEXT_NODE:\
comp.name = 'text()';\
break;\
case Node.ATTRIBUTE_NODE:\
comp.name = '@' + element.nodeName;\
break;\
case Node.PROCESSING_INSTRUCTION_NODE:\
comp.name = 'processing-instruction()';\
break;\
case Node.COMMENT_NODE:\
comp.name = 'comment()';\
break;\
case Node.ELEMENT_NODE:\
comp.name = element.nodeName;\
break;\
}\
comp.position = getPos(element);\
}\
for (var i = comps.length - 1; i >= 0; i--) {\
comp = comps[i];\
xpath += '/' + comp.name.toLowerCase();\
if (comp.position !== null) {\
xpath += '[' + comp.position + ']';\
}\
}\
return xpath;\
}\
return absoluteXPath(arguments[0]);", element)
print(xpath)
driver.quit()
```
In the above example, we first import the required modules and create a new instance of the Firefox driver. Then, we navigate to the desired webpage.
Next, we use `find_element()` by passing `By.XPATH` as the locator strategy and an XPath expression as a parameter. In this example, we use the XPath `//div[@id='myElement']` to find the element with the ID "myElement".
After that, we execute a JavaScript function using `driver.execute_script()` to calculate the absolute XPath of the element. The JavaScript function iterates through the element's ancestors and constructs the XPath by considering the node name and position.
Finally, we print out the obtained XPath and close the browser using `driver.quit()`.
Please note that this example uses a JavaScript function to calculate the absolute XPath. It may not be the most efficient method, but it can be helpful in certain scenarios.
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