【appium】appium自动化入门之API（下）——两万字API长文，建议收藏

74个API大全
API太多了，我以为一天就能做出来，谁成想地鸽了三天（捂脸）
希望能对大家有所帮助嗷！！！
书接上文【appium】appium自动化入门之API（中）
环境搭建篇【appium】appium自动化入门之环境搭建（上）

Appium API

前言

Appium Python API 全集，可以查看所有的帮助文档

1.contexts （返回当前会话中的上下文，使用后可以识别 H5 页面的控件）

contexts(self): 
 Returns the contexts within the current session. 
 #返回当前会话中的上下文，使用后可以识别 H5 页面的控件
 :Usage: 
  driver.contexts 
用法 driver.contexts 

2.current_context （返回当前会话的当前上下文 ）

current_context(self): 
 Returns the current context of the current session. 
 #返回当前会话的当前上下文 
 :Usage:
  driver.current_context 
用法 driver. current_context 

3. context （返回当前会话的当前上下文）

context(self): 
 Returns the current context of the current session. 
 #返回当前会话的当前上下文。 
 :Usage: 
  driver.context 
用法 driver. Context 

4.find_element_by_ios_uiautomation（通过 iOS uiautomation 查找元素）

find_element_by_ios_uiautomation(self, uia_string): 
Finds an element by uiautomation in iOS. 
  #通过 iOS uiautomation 查找元素
  :Args: 
  -uia_string - The element name in the iOS UIAutomation library 
 :Usage: 
driver.find_element_by_ios_uiautomation('.elements()[1 ].cells()[2]') 
用法 dr. find_element_by_ios_uiautomation(‘elements’) 

5.find_element_by_accessibility_id（通过 accessibility id 查找元素 ）

find_element_by_accessibility_id(self, id): 
Finds an element by accessibility id. 
 #通过 accessibility id 查找元素 
 :Args:
  -d - a string corresponding to a recursive element search using the
  -Id/Name that the native Accessibility options utilize 
 :Usage: 
   driver.find_element_by_accessibility_id() 
 用法 driver.find_element_by_accessibility_id(‘id’) 

6.scroll （从元素 origin_el 滚动至元素 destination_el）

scroll(self, origin_el, destination_el):
Scrolls from one element to another 
 #从元素 origin_el 滚动至元素 destination_el 
 :Args: 
  -originalEl - the element from which to being scrolling - destinationEl 
  -the element to scroll to
 :Usage: 
   driver.scroll(el1, el2) 
用法 driver.scroll(el1,el2)

7.drag_and_drop（将元素 origin_el 拖到目标元素 destination_el ）

 drag_and_drop(self, origin_el, destination_el): 
 Drag the origin element to the destination element 
  #将元素 origin_el 拖到目标元素 destination_el 
  :Args: 
   -originEl - the element to drag 
   -destinationEl - the element to drag to 
 用法 driver.drag_and_drop(el1,el2) 

8.tap （模拟手指点击（最多五个手指），可设置按住时间长度（毫秒））

 tap(self, positions, duration=None):
 Taps on an particular place with up to five fingers, holding for a certain time 
 #模拟手指点击（最多五个手指），可设置按住时间长度（毫秒） 
  :Args: - positions 
   - an array of tuples representing the x/y coordinates of 
   the fingers to tap. Length can be up to five. 
   - duration - (optional) length of time to tap, in ms  :Usage: 
   driver.tap([(100, 20), (100, 60), (100, 100)], 500) 
   
用法 driver.tap([(x,y),(x1,y1)],500)

9.swipe （从 A 点滑动至 B 点，滑动时间为毫秒 ）

swipe(self, start_x, start_y, end_x, end_y, duration=None):
Swipe from one point to another point, for an optional duration. 
 #从 A 点滑动至 B 点，滑动时间为毫秒 
 :Args: 
  - start_x - x-coordinate at which to start 
  - start_y - y-coordinate at which to start 
  - end_x - x-coordinate at which to stop 
  - end_y - y-coordinate at which to stop 
  - duration - (optional) time to take the swipe, in ms.  :Usage: driver.swipe(100, 100, 100, 400) 
  用法 driver.swipe(x1,y1,x2,y2,500) 

10.flick （按住 A 点后快速滑动至 B 点 ）

 flick(self, start_x, start_y, end_x, end_y): 
 Flick from one point to another point. 
  #按住 A 点后快速滑动至 B 点 
  :Args: 
   - start_x - x-coordinate at which to start 
   - start_y - y-coordinate at which to start 
   - end_x - x-coordinate at which to stop 
   - end_y - y-coordinate at which to stop 
  :Usage: 
   driver.flick(100, 100, 100, 400) 
用法 driver.flick(x1,y1,x2,y2) 

11.pinch （在元素上执行模拟双指捏（缩小操作））

pinch(self, element=None, percent=200, steps=50): 
Pinch on an element a certain amount
 #在元素上执行模拟双指捏（缩小操作） 
 :Args: 
  - element - the element to pinch 
  - percent - (optional) amount to pinch. Defaults to 200% 
  - steps - (optional) number of steps in the pinch action             
  :Usage: 
   driver.pinch(element) 
用法 driver.pinch(element) 

12.zoom （在元素上执行放大操作）

zoom(self, element=None, percent=200, steps=50): 
Zooms in on an element a certain amount 
 #在元素上执行放大操作 
 :Args: 
  - element - the element to zoom - percent 
  - (optional) amount to zoom. Defaults to 200% 
  - steps - (optional) number of steps in the zoom action  :Usage: 
    driver.zoom(element) 
 用法 driver.zoom(element) 

13.reset （重置应用(类似删除应用数据) ）

reset(self):
Resets the current application on the device.
重置应用(类似删除应用数据)
用法driver.reset()

14 hide_keyboard （隐藏键盘,iOS 使用 key_name 隐藏，安卓不使用参数 ）

hide_keyboard(self, key_name=None, key=None, strategy=None):
 Hides the software keyboard on the device. In iOS, use `key_name` to press a particular key, or `strategy`. In Android, no parameters are used. 
  #隐藏键盘,iOS 使用 key_name 隐藏，安卓不使用参数 
  :Args: 
  - key_name - key to press 
  - strategy - strategy for closing the keyboard (e.g., `tapOutside`) 
driver.hide_keyboard() 

15 keyevent （发送按键码（安卓仅有），按键码可以上网址中找到）

eyevent(self, keycode, metastate=None): 
Sends a keycode to the device. Android only. Possible keycodes can be found in http://developer.android.com/reference/android/view/KeyEvent.html.
  #发送按键码（安卓仅有），按键码可以上网址中找到 
  :Args: 
  - keycode - the keycode to be sent to the device 
  - - metastate - meta information about the keycode being sent 用法 dr.keyevent(‘4’)

16 press_keycode （发送按键码（安卓仅有），按键码可以上网址中找到 ）

press_keycode(self, keycode, metastate=None):
Sends a keycode to the device. Android only. Possible keycodes can be found in http://developer.android.com/reference/android/view/KeyEvent.html. 
 # 发送按键码（安卓仅有），按键码可以上网址中找到 
 :Args: 
  - keycode - the keycode to be sent to the device 
  - metastate - meta information about the keycode being sent 用法 driver.press_ keycode(‘4’) 
 # dr.keyevent(‘4’)与 driver.press_ keycode(‘4’) 功能实现上一样的，都是按了返回键

17.long_press_keycode（发送一个长按的按键码（长按某键））

long_press_keycode(self, keycode, metastate=None): 
Sends a long press of keycode to the device. Android only. Possible keycodes can be found in http://developer.android.com/reference/android/view/KeyEvent.html. 
#发送一个长按的按键码（长按某键） 
 :Args: 
  - keycode - the keycode to be sent to the device 
  - metastate - meta information about the keycode being sent 
用法 driver.long_press_keycode(‘4’) 

18.current_activity （获取当前的 activity ）

current_activity(self): 
Retrieves the current activity on the device. 
#获取当前的 activity 
用法 print(driver.current_activity()) 

19.wait_activity（等待指定的 activity 出现直到超时，interval 为扫描间隔 1 秒 即每隔几秒获取一次当前的 activity ）

wait_activity(self, activity, timeout, interval=1):
Wait for an activity: block until target activity presents or time out. 
 This is an Android-only method. 
 # 等待指定的 activity 出现直到超时，interval 为扫描间隔 1 秒 即每隔几秒获取一次当前的 activity 
 返回的 True or False 
 :Agrs: 
  - activity - target activity 
  - timeout - max wait time, in seconds 
  - interval - sleep interval between retries, in seconds 
用法 driver.wait_activity(‘.activity.xxx’,5,2) 

20.background_app （后台运行 app 多少秒 ）

background_app(self, seconds): 
Puts the application in the background on the device for a certain duration. 
#后台运行 app 多少秒 
 :Args:
  - seconds - the duration for the application to remain in the background 
用法 driver.background_app(5) 置后台 5 秒后再运行 

21.is_app_installed （检查 app 是否有安装）

is_app_installed(self, bundle_id): 
Checks whether the application specified by `bundle_id` is installed on the device. 
 # 检查 app 是否有安装 
返回 True or False 
 :Args:
  - bundle_id - the id of the application to query 
用法 driver.is_app_installed(“com.xxxx”) 

22.install_app （安装 app,app_path 为安装包路径）

install_app(self, app_path):
Install the application found at `app_path` on the device. 
#安装 app,app_path 为安装包路径
 :Args:
  - app_path - the local or remote path to the application to install 
用法 driver.install_app(app_path)

23.remove_app （删除 app）

remove_app(self, app_id): 
Remove the specified application from the device.
 #删除 app
 :Args:
  - app_id - the application id to be removed 
用法 driver.remove_app(“com.xxx.”) 

24.launch_app（启动 app ）

launch_app(self):
Start on the device the application specified in the desired capabilities. 
 # 启动 app 
用法 driver.launch_app() 

25.close_app （需要注意的是启动和关闭 app 运行好像会出错 ）

close_app(self): 
Stop the running application, specified in the desired capabilities, on the device. 
 #关闭 app 用法 
driver.close_app() 
 #需要注意的是启动和关闭 app 运行好像会出错 

26.start_activity （在测试过程中打开任意活动。如果活动属于另一个应用程序，该应用程序的启动和活动被打开。这是一个安卓的方法 ）

start_activity(self, app_package, app_activity, **opts): 
Opens an arbitrary activity during a test. If the activity belongs to
 another application, that application is started and the activity is opened. 
 This is an Android-only method. 
 #在测试过程中打开任意活动。如果活动属于另一个应用程序，该应用程序的启动和活动被打开。这是一个安卓的方法 
 :Args: 
 - app_package - The package containing the activity to start. 
 - app_activity - The activity to start. 
 - app_wait_package - Begin automation after this package starts (optional). 
 - app_wait_activity - Begin automation after this activity starts (optional). 
 - intent_action - Intent to start (optional). 
 - intent_category - Intent category to start (optional). 
 - intent_flags - Flags to send to the intent (optional). 
 - optional_intent_arguments 
 - Optional arguments to the intent (optional). 
 - stop_app_on_reset - Should the app be stopped on reset (optional) 
用法 driver.start_activity(app_package, app_activity) 

27.lock （锁屏一段时间 iOS 专有）

lock(self, seconds):
Lock the device for a certain period of time. iOS only.
 #锁屏一段时间 iOS 专有
 :Args: 
  - the duration to lock the device, in seconds 
用法 driver.lock() 

28.shake （摇一摇手机 ）

shake(self):
Shake the device. 
#摇一摇手机 
用法 driver.shake()

29.open_notifications （打系统通知栏（仅支持 API 18 以上的安卓系统））

open_notifications(self):
Open notification shade in Android (API Level 18 and above)
#打系统通知栏（仅支持 API 18 以上的安卓系统） 
用法 driver.open_notifications() 

30.network_connection（#返回网络类型数值）

network_connection(self): 
Returns an integer bitmask specifying the network connection type.
 Android only. 
#返回网络类型数值 
 Possible values are available through the enumeration `appium.webdriver.ConnectionType` 
用法 driver.network_connection 

31.set_network_connection （设置网络类型）

set_network_connection(self, connectionType): 
Sets the network connection type. Android only. 
 Possible values: 
  Value (Alias) | Data | Wifi | Airplane Mode 
  ------------------------------------------------- 
  0 (None) | 0 | 0 | 0 
  1 (Airplane Mode) | 0 | 0 | 1 
  2 (Wifi only) | 0 | 1 | 0 
  4 (Data only) | 1 | 0 | 0 
  6 (All network on) | 1 | 1 | 0 
 These are available through the enumeration appium.webdriver.ConnectionType` 
 #设置网络类型 
 :Args:
  - connectionType - a member of the enum appium.webdriver.ConnectionType 
用法 先加载 from appium.webdriver.connectiontype import ConnectionType
dr.set_network_connection(ConnectionType.WIFI_ONLY) 
ConnectionType 的类型有 
NO_CONNECTION = 0 
AIRPLANE_MODE = 1 
WIFI_ONLY = 2 
DATA_ONLY = 4 
ALL_NETWORK_ON = 6 

32.available_ime_engines（返回安卓设备可用的输入法）

available_ime_engines(self): 
Get the available input methods for an Android device. Package and activity are returned (e.g.,
['com.android.inputmethod.latin/.LatinIME']) 
 Android only. 
#返回安卓设备可用的输入法 
用法 print(driver.available_ime_engines) 

33.is_ime_active i（检查设备是否有输入法服务活动。返回真/假）

s_ime_active(self): 
Checks whether the device has IME service active. 
Returns True/False. 
 Android only. 
#检查设备是否有输入法服务活动。返回真/假 .(仅安卓)
用法 print(driver.is_ime_active()) 

34.activate_ime_engine （激活安卓设备中的指定输入法，设备可用输入法可以从 “available_ime_engines”获取）

activate_ime_engine(self, engine): 
Activates the given IME engine on the device.
 Android only. 
 #激活安卓设备中的指定输入法，设备可用输入法可以从 “available_ime_engines”获取 
 :Args:
  - engine - the package and activity of the IME engine to activate (e.g., 
    'com.android.inputmethod.latin/.LatinIME') 
用法driver.activate_ime_engine(“com.android.inputmethod.latin/.LatinIME ”)

35.deactivate_ime_engine （关闭安卓设备当前的输入法 ）

deactivate_ime_engine(self): 
Deactivates the currently active IME engine on the device. 
 Android only. 
#关闭安卓设备当前的输入法 
用法 driver.deactivate_ime_engine()

36.active_ime_engine （返回当前输入法的包名）

active_ime_engine(self): 
Returns the activity and package of the currently active IME engine (e.g., 
 'com.android.inputmethod.latin/.LatinIME').
 Android only.
 #返回当前输入法的包名 
用法 driver.active_ime_engine 

37.toggle_location_services （打开安卓设备上的位置定位设置）

toggle_location_services(self): 
Toggle the location services on the device. Android only. 
#打开安卓设备上的位置定位设置 
用法 driver.toggle_location_services() 

38.set_location （设置设备的经纬度 ）

set_location(self, latitude, longitude, altitude): 
Set the location of the device 
 设置设备的经纬度 
 :Args:
  - latitude 纬度 - String or numeric value between -90.0 and 90.00 
  - longitude 经度 - String or numeric value between -180.0 and 180.0 
  - altitude 海拔高度- String or numeric value 
用法 driver.set_location(纬度，经度，高度) 

39.tag_name（返回元素的 tagName 属性）

tag_name(self): 
This element's ``tagName`` property. 
#返回元素的 tagName 属性 
#经实践返回的是 class name 
用法 element.tag_name() 

40.text（返回元素的文本值 ）

text(self): 
The text of the element. 
#返回元素的文本值 
用法 element.text() 

41.click （点击元素）

click(self): 
Clicks the element. 
#点击元素 
用法 element.click() 

42.submit （提交表单 ）

submit(self): 
Submits a form. 
#提交表单 
#用法 暂无（记得好像有这样一个API，不常用给忘了..）

43.clear （清除输入的内容）

clear(self): 
Clears the text if it's a text entry element. 
#清除输入的内容 
用法 element.clear() 

44.get_attribute

get_attribute(self, name): 
Gets the given attribute or property of the element. 
# 1、获取 content-desc 的方法为 get_attribute("name") ，而且还不能保证返 回的一定是 content-desc （content-desc 为空时会返回 text 属性值）
# 2、get_attribute 方法不是我们在 uiautomatorviewer 看到的所有属性都能获 取的（此处的名称均为使用 get_attribute 时使用的属性名称）： 
可获取的： 
字符串类型： 
name(返回 content-desc 或 text) 
text(返回 text) 
className( 返 回 class， 只 有 API=>18 才 能 支 持 ) 
resourceId(返回 resource-id，只有 API=>18 才能支持)
 This method will first try to return the value of a property with the 
 given name. If a property with that name doesn't exist, it returns the 
 value of the attribute with the same name. If there's no attribute with 
 that name, ``None`` is returned. 
 Values which are considered truthy, that is equals "true" or "false",
 are returned as booleans. All other non-``None`` values are returned
 as strings. For attributes or properties which do not exist, ``None``
 is returned. 
 :Args:
  - name - Name of the attribute/property to retrieve. 
#Example:
   # Check if the "active" CSS class is applied to an element. 
   is_active = "active" in target_element.get_attribute("class") 

#用法  

这个用法可以看看大佬的超级链接

45.is_selected （返回元素是否选择）

is_selected(self): 
Returns whether the element is selected.
 Can be used to check if a checkbox or radio button is selected. 
#返回元素是否选择。 
#可以用来检查一个复选框或单选按钮被选中。 
用法 element.is_slected() 

46.is_enabled （返回元素是否可用）

is_enabled(self): 
Returns whether the element is enabled.
 #返回元素是否可用 True of False 
用法 element.is_enabled() 

47.find_element_by_id（通过元素的 ID 定位元素）

find_element_by_id(self, id_): 
Finds element within this element's children by ID. 
#通过元素的 ID 定位元素
 :Args:
  - id_ - ID of child element to locate. 
用法 driver. find_element_by_id(“id”) 

48.find_elements_by_id（通过元素 ID 定位,含有该属性的所有元素）

find_elements_by_id(self, id_):
Finds a list of elements within this element's children by ID.
 #通过元素 ID 定位,含有该属性的所有元素 
 :Args:
  - id_ - Id of child element to find. 
用法 driver. find_elements_by_id(“id”) 

49.find_element_by_name （通过元素 Name 定位）

find_element_by_name(self, name): 
Finds element within this element's children by name. 
 #通过元素 Name 定位（元素的名称属性 text）
  :Args:
   - name - name property of the element to find. 
用法 driver.find_element_by_name(“name”) 

50.find_elements_by_name

find_elements_by_name(self, name):
Finds a list of elements within this element's children by name.
 #通过元素 Name 定位（元素的名称属性 text），含有该属性的所有元素
  :Args:
   - name - name property to search for. 
用法 driver.find_element_by_name(“name”) 

51.find_element_by_link_text （通过元素可见链接文本定位）

find_element_by_link_text(self, link_text): 
Finds element within this element's children by visible link text.
 #通过元素可见链接文本定位
  :Args:
   - link_text - Link text string to search for. 
用法 driver.find_element_by_link_text(“text”) 

52.find_elements_by_link_text

find_element_by_link_text(self, link_text): 
Finds a list of elements within this element's children by visible link text
 #通过元素可见链接文本定位,含有该属性的所有元素
  :Args:
   - link_text - Link text string to search for. 
用法 driver.find_elements_by_link_text(“text”) 

53.find_element_by_partial_link_text （通过元素部分可见链接文本定位）

find_element_by_partial_link_text(self, link_text): 
Finds element within this element's children by partially visible link text.
 #通过元素部分可见链接文本定位
  :Args:
   - link_text - Link text string to search for. 
用法driver. find_element_by_partial_link_text(“text”) 

54.find_elements_by_partial_link_text

find_elements_by_partial_link_text(self, link_text): 
Finds a list of elements within this element's children by link text. 
 #通过元素部分可见链接文本定位,含有该属性的所有元素 
 :Args:
  - link_text - Link text string to search for. 
用法：driver. find_elements_by_partial_link_text(“text”)

55.find_element_by_tag_name

find_element_by_tag_name(self, name): 
Finds element within this element's children by tag name. 
 #通过查找 html 的标签名称定位元素
 :Args:
  - name - name of html tag (eg: h1, a, span) 
用法 driver.find_element_by_tag_name(“name”)

56.find_elements_by_tag_name

find_elements_by_tag_name(self, name): 
Finds a list of elements within this element's children by tag name.
 #通过查找 html 的标签名称定位所有元素
  :Args: 
   -name - name of html tag (eg: h1, a, span) 
用法 driver.find_elements_by_tag_name(“name”) 

57.find_element_by_xpath（通过 Xpath 定位元素）

find_element_by_xpath(self, xpath): 
Finds element by xpath.
 #通过 Xpath 定位元素
 :Args: xpath
  - xpath of element to 
locate. "//input[@class='myelement']" 
 Note: The base path will be relative to this element's location. 
 This will select the first link under this element. 
 ::
  myelement.find_elements_by_xpath(".//a") 
 However, this will select the first link on the page. 
 :: myelement.find_elements_by_xpath("//a")
 
用法 find_element_by_xpath(“//*”) 

58.find_elements_by_xpath

find_elements_by_xpath(self, xpath): 
Finds elements within the element by xpath. 
 #通过 Xpath 定位元素
 :Args:
  - xpath - xpath locator string. 
Note: The base path will be relative to this element's location. 
This will select all links under this element. 
::
 myelement.find_elements_by_xpath(".//a") 
However, this will select all links in the page itself. 
::
 myelement.find_elements_by_xpath("//a") 
用法 find_elements_by_xpath(“//*”) 

59.find_element_by_class_name （通过元素 class name 属性定位元素）

find_element_by_class_name(self, name): 
Finds element within this element's children by class name. 
 #通过元素 class name 属性定位元素 
 :Args:
  - name - class name to search for. 
用法 driver.find_element_by_class_name(“android.widget.LinearLayout”) 

60.find_elements_by_class_name （通过元素 class name 属性定位所有含有该属性的元素）

find_elements_by_class_name(self, name): 
Finds a list of elements within this element's children by class name.
 #通过元素 class name 属性定位所有含有该属性的元素 
 :Args:
  - name - class name to search for. 
用法 driver. find_elements_by_class_name(“android.widget.LinearLayout”) 

61.find_element_by_css_selector （通过 CSS 选择器定位元素）

find_element_by_css_selector(self, css_selector): 
Finds element within this element's children by CSS selector.
 #通过 CSS 选择器定位元素
  :Args:
   - css_selector - CSS selctor string, ex: 'a.nav#home' 

62.send_keys（在元素中模拟输入）

send_keys(self, *value): 
Simulates typing into the element.
 在元素中模拟输入（开启 appium 自带的输入法并配置了 appium 输入法 后，可以输入中英文） 
 :Args:
  - value - A string for typing, or setting form fields. For setting 
   file inputs, this could be a local file path. 
  Use this to send simple key events or to fill out form fields:: 
   form_textfield = 
driver.find_element_by_name('username')
   form_textfield.send_keys("admin") 
  This can also be used to set file inputs. 
  ::
    file_input = driver.find_element_by_name('profilePic') 
    file_input.send_keys("path/to/profilepic.gif")
    # Generally it's better to wrap the file path in one of the methods 
    # in os.path to return the actual path to support cross OS testing. 
    #
    file_input.send_keys(os.path.abspath("path/to/profilepic.gif")) 
用法 driver.element.send_keys(“中英”) 

63.is_displayed（此元素用户是否可见）

is_displayed(self): 
Whether the element is visible to a user. 
#此元素用户是否可见
#简单地说就是隐藏元素和被控件挡住无法操作的元素（仅限 Selenium，appium 是否实现了类似功能不是太确定）这一项都会返回 False 
用法 driver.element.is_displayed() 

64.size (获取元素的大小)

size(self): 
The size of the element. 
#获取元素的大小（高和宽） 
new_size["height"] = size["height"] 
new_size["width"] = size["width"] 
用法 driver.element.size 

65.value_of_css_property （CSS 属性）

value_of_css_property(self, property_name): 
The value of a CSS property.
 #CSS 属性 
 用法 用的少，但是有

66.location (获取元素左上角的坐标)

location(self): 
The location of the element in the renderable canvas. 
 #获取元素左上角的坐标 
用法 driver.element.location 
'''返回 element 的x 坐标, int 类型''' 
driver.element.location.get('x') '''
返 回 element 的 y 坐标, int 类型''' driver.element.location.get('y')

67.rect（元素的大小和位置的字典）

rect(self): 
A dictionary with the size and location of the element. 
#元素的大小和位置的字典 

68.screenshot_as_base64 （获取当前元素的截图为 Base64 编码的字符串 ）

screenshot_as_base64(self): 
 Gets the screenshot of the current element as a base64 encoded string.
 #获取当前元素的截图为 Base64 编码的字符串 
 :Usage: 
  img_b64 = element.screenshot_as_base64 

69.execute_script （同步执行 javascript 代码）

execute_script(self, script, *args):
 Synchronously Executes JavaScript in the current window/frame. 
#在当前窗口/框架（特指 Html 的 iframe ）同步执行 javascript 代码
#你可 以理解为如果这段代码是睡眠 5 秒，这五秒内主线程的 javascript 不会执行 
 :Args:
  - script: The JavaScript to execute. 
  - \*args: Any applicable arguments for your JavaScript.    
 :Usage: 
  driver.execute_script('document.title') 

70.execute_async_script （插入 javascript 代码）

execute_async_script(self, script, *args): 
 Asynchronously Executes JavaScript in the current window/frame. 
#插入 javascript 代码
#只是这个是异步的，也就是如果你的代码是睡眠5秒，
#那么你只是自己在睡，页面的其他 javascript 代码还是照常执行
 :Args:
  - script: The JavaScript to execute.
  - \*args: Any applicable arguments for your JavaScript.  
 :Usage:
  driver.execute_async_script('document.title') 

71.current_url（获取当前页面的网址 ）

current_url(self):
 Gets the URL of the current page.
 #获取当前页面的网址 
 :Usage:
  driver.current_url 
用法 driver.current_url 

72.page_source （获取当前页面的源 ）

page_source(self):
 Gets the source of the current page. 
 #获取当前页面的源 
 :Usage:
用法 driver.page_source 

73.close（关闭当前窗口）

close(self):
 Closes the current window. 
 #关闭当前窗口 
 :Usage:
  driver.close()

74.quit （退出脚本运行并关闭每个相关的窗口连接）

quit(self): 
 Quits the driver and closes every associated window. 
 #退出脚本运行并关闭每个相关的窗口连接 
 :Usage:
  driver.quit(）

重要的话