# 获取CSS元素的值 查询web元素CSS属性的值 ## 样例 ```java // Java MobileElement element = (MobileElement) driver.findElementById("SomeId"); String cssProperty = element.getCssValue("style"); ``` ```python # Python cssProperty = self.driver.find_element_by_accessibility_id('SomeId').value_of_css_property("style") ``` ```javascript // Javascript // webdriver.io example let cssProperty = $("~SomeId").getCSSProperty("style"); // wd example let element = await driver.elementById("SomeId"); let cssProperty = await element.getComputedCss(); ``` ```ruby # Ruby # ruby_lib example find_element(:id, 'SomeId').css_value # ruby_lib_core example @driver.find_element(:id, 'SomeId').css_value ``` ```php # PHP // TODO PHP sample ``` ```csharp // C# var element = driver.FindElementById("SomeId"); string cssProperty = element.GetCssValue("style"); ``` ## 描述 要查询的CSS属性应该使用CSS属性名指定，而不是JavaScript属性名（例如background-color而不是backgroundColor）。 此命令仅适用于webview上下文 ## 支持 ### Appium Server |平台|Driver|平台版本|Appium版本|Driver版本| |--------|----------------|------|--------------|--------------| | iOS | [XCUITest](../../drivers/ios-xcuitest.md) | 9.3+ | 1.6.0+ | All | | | [UIAutomation](../../drivers/ios-uiautomation.md) | 8.0 to 9.3 | All | All | | Android | [Espresso](../../drivers/android-espresso.md) | ?+ | 1.9.0+ | All | | | [UiAutomator2](../../drivers/android-uiautomator2.md) | ?+ | 1.6.0+ | All | | | [UiAutomator](../../drivers/android-uiautomator.md) | 4.3+ | All | All | | Mac | [Mac](../../drivers/mac.md) | ?+ | 1.6.4+ | All | | Windows | [Windows](../../drivers/windows.md) | 10+ | 1.6.0+ | All | ### Appium Clients |语言|支持|文档| |--------|-------|-------------| |[Java](https://github.com/appium/java-client/releases/latest)| All | [seleniumhq.github.io](https://seleniumhq.github.io/selenium/docs/api/java/org/openqa/selenium/WebElement.html#getCssValue--) | |[Python](https://github.com/appium/python-client/releases/latest)| All | [selenium-python.readthedocs.io](http://selenium-python.readthedocs.io/api.html#selenium.webdriver.remote.webelement.WebElement.value_of_css_property) | |[Javascript (WebdriverIO)](http://webdriver.io/index.html)| All | | |[Javascript (WD)](https://github.com/admc/wd/releases/latest)| All | [github.com](https://github.com/admc/wd/blob/master/lib/commands.js#L1447) | |[Ruby](https://github.com/appium/ruby_lib/releases/latest)| All | [www.rubydoc.info](https://www.rubydoc.info/gems/selenium-webdriver/Selenium/WebDriver/Element:css_value) | |[PHP](https://github.com/appium/php-client/releases/latest)| All | [github.com](https://github.com/appium/php-client/) | |[C#](https://github.com/appium/appium-dotnet-driver/releases/latest)| All | [github.com](https://github.com/appium/appium-dotnet-driver/blob/master/src/Appium.Net/Appium/AppiumWebElement.cs) | ## HTTP API规范 ### 端点 ### URL参数 |名称|描述| |----|-----------| |session_id|发送命令用来会话的id| |element_id|从中获取元素属性的id| |property_name|CSS特性名称| ### JSON 参数 无 ### 响应 css属性的值("字符串") ## 另请参见 * [W3C Specification](https://www.w3.org/TR/webdriver/#dfn-get-element-css-value) * [JSONWP Specification](https://github.com/SeleniumHQ/selenium/wiki/JsonWireProtocol#sessionsessionidelementidcsspropertyname)