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# Button Down 单机当前鼠标坐标处,并按住鼠标左键 ## 使用样例 ```java // Java Actions action = new Actions(driver); action.moveTo(element); action.clickAndHold(); action.perform(); ``` ```python # Python actions = ActionChains(driver) actions.move_to_element(element) actions.click_and_hold() actions.perform() ``` ```javascript // Javascript // webdriver.io example driver.moveTo(element); driver.buttonDown(); // wd example await driver.moveTo(element); await driver.buttonDown(); ``` ```ruby # Ruby # ruby_lib example action.move_to(element).click_and_hold.perform # ruby_lib_core example @driver.action.move_to(element).click_and_hold.perform ``` ```php # PHP // TODO PHP sample ``` ```csharp // C# Actions action = new Actions(driver); action.MoveToElement(element); action.ClickAndHold(); action.Perform(); ``` ## 描述 请注意,下一个与鼠标相关的命令应该是buttonup。 任何其他鼠标命令(例如单击或其他对buttondown的调用)将产生未定义的行为 ## 支持 ### Appium Server |平台|Driver|平台版本|Appium版本|Driver版本| |--------|----------------|------|--------------|--------------| | iOS | [XCUITest](../../drivers/ios-xcuitest.md) | None | None | None | | | [UIAutomation](../../drivers/ios-uiautomation.md) | None | None | None | | Android | [UiAutomator2](../../drivers/android-uiautomator2.md) | None | None | None | | | [Espresso](../../drivers/android-espresso.md) | None | None | None | | | [UiAutomator](../../drivers/android-uiautomator.md) | None | None | None | | Mac | [Mac](../../drivers/mac.md) | ?+ | 1.6.4+ | All | | Windows | [Windows](../../drivers/windows.md) | 10+ | 1.6.0+ | All | ### Appium客户端 |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/interactions/Actions.html#clickAndHold--) | |[Python](https://github.com/appium/python-client/releases/latest)| All | [selenium-python.readthedocs.io](http://selenium-python.readthedocs.io/api.html#selenium.webdriver.common.action_chains.ActionChains.click_and_hold) | |[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#L1625) | |[Ruby](https://github.com/appium/ruby_lib/releases/latest)| All | [www.rubydoc.info](https://www.rubydoc.info/gems/selenium-webdriver/Selenium/WebDriver/ActionBuilder:click_and_hold) | |[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/SeleniumHQ/selenium/blob/master/dotnet/src/webdriver/Interactions/Actions.cs) | ## HTTP API 规范 ### 终端 `POST /session/:session_id/buttondown` ### URL 参数 |名称|描述| |----|-----------| |session_id|将指令发往的会话(session)的ID| ### JSON 参数 |名称|类型|描述| |----|----|-----------| | button | `number` | 按钮参数值,{LEFT = 0,MIDDLE = 1,RIGHT = 2}; 如果未指定,默认为鼠标左键 | ### 响应 null ## 参考 * [JSONWP Specification](https://github.com/SeleniumHQ/selenium/wiki/JsonWireProtocol#sessionsessionidbuttondown)