問題描述

所以我嘗試使用 selenium 單擊下一步按鈕，我嘗試使用下面的代碼，但它以錯誤結束.

So Im trying to I click the next button using selenium, I've tried with the code below, but it ends in error.

元素

<input type="submit" name="submitNext" value="Next">

我的代碼

driver.find_element_by_name("submitNext").click()

然后它會輸出這些錯誤

Traceback (most recent call last):
  File "C:/Users/thomas/PycharmProjects/test/mainapp/main.py", line 194, in 
<module>
    visa()
  File "C:/Users/thomas/PycharmProjects/test/mainapp/main.py", line 174, in visa
driver.find_element_by_name("submitNext").click()
  File "C:Users	homasPycharmProjectsBudgetMainvenvlibsite-packagesseleniumwebdriver
emotewebdriver.py", line 487, in find_element_by_name
return self.find_element(by=By.NAME, value=name)
  File "C:Users	homasPycharmProjectsBudgetMainvenvlibsite-packagesseleniumwebdriver
emotewebdriver.py", line 955, in find_element
'value': value})['value']
  File "C:Users	homasPycharmProjectsBudgetMainvenvlibsite-packagesseleniumwebdriver
emotewebdriver.py", line 312, in execute
self.error_handler.check_response(response)
  File "C:Users	homasPycharmProjectsBudgetMainvenvlibsite-packagesseleniumwebdriver
emoteerrorhandler.py", line 242, in check_response
raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.NoSuchElementException: Message: no such element: Unable to locate element: {"method":"name","selector":"submitNext"}
  (Session info: chrome=66.0.3359.170)
  (Driver info: chromedriver=2.36.540470 (e522d04694c7ebea4ba8821272dbef4f9b818c91),platform=Windows NT 10.0.16299 x86_64)

任何人對如何正確單擊該按鈕有任何想法?

Anyone have any ideas as to how to click that button without errors?

推薦答案

這個錯誤信息...

selenium.common.exceptions.NoSuchElementException: Message: no such element: Unable to locate element: {"method":"name","selector":"submitNext"}
  (Session info: chrome=66.0.3359.170)
  (Driver info: chromedriver=2.36.540470)

...暗示 ChromeDriver 無法找到所需的元素.

...implies that the ChromeDriver was unable to locate the desired element.

根據您共享的 HTML 來單擊元素，您可以使用以下任一定位器策略:

As per the HTML you have shared to click on the element you can use either of the following Locator Strategies :

• css_selector:

driver.find_element_by_css_selector("input[name='submitNext'][value='Next']").click()

driver.find_element_by_xpath("http://input[@name='submitNext' and @value='Next']").click()

但是您的主要問題是您使用的二進制文件之間的版本兼容性，如下所示:

However your main issue is the version compatibility between the binaries you are using as follows :

• 您正在使用 chromedriver=2.36
• chromedriver=2.36 的發行說明明確提及以下內容:

支持 Chrome v63-65

• 您正在使用 chrome=66.0
• ChromeDriver v2.38 明確提及以下內容:

支持 Chrome v65-67

• 我們不知道您的 Selenium 客戶端 版本.

所以 ChromeDriver v2.36 和 Chrome 瀏覽器 v66.0 之間存在明顯的不匹配

So there is a clear mismatch between the ChromeDriver v2.36 and the Chrome Browser v66.0

• 將 Selenium 升級到當前級別版本 3.11.0.
• 將 ChromeDriver 升級到當前的 ChromeDriverv2.38 級別.
• 將 Chrome 版本保持在 Chrome v66.x 級別.(根據 ChromeDriver v2.38 發行說明)
• 清理你的項目工作區通過你的IDE和重建你的項目只需要依賴.
• 使用 CCleaner 工具清除之前和在您的測試套件執行之后.
• 如果您的基礎 Web Client 版本太舊，請通過 卸載它Revo Uninstaller 并安裝最新的 GA 和發布版本的 Web Client.
• 進行一次系統重啟.
• 執行你的 @Test.
• Upgrade Selenium to current levels Version 3.11.0.
• Upgrade ChromeDriver to current ChromeDriver v2.38 level.
• Keep Chrome version at Chrome v66.x levels. (as per ChromeDriver v2.38 release notes)
• Clean your Project Workspace through your IDE and Rebuild your project with required dependencies only.
• Use CCleaner tool to wipe off all the OS chores before and after the execution of your test Suite.
• If your base Web Client version is too old, then uninstall it through Revo Uninstaller and install a recent GA and released version of Web Client.
• Take a System Reboot.
• Execute your @Test.

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