1、在 appium 官网上下载安装后，下载的是1.7.1的版本，安装之后是1.9.1最新版本。
2、appium安装之后，会发现涉及到 浏览器相关的业务时（我使用的是chrome)会提示 “No Chromedriver found that can automate Chrome '62.0.3202'”。
1 # -*- coding:utf-8 -*- 2 ''' 3 Created on Sep 30, 2018 4 5 @author: SaShuangYiBing 6 7 Comment: 8 ''' 9 from appium import webdriver 10 desired_caps = {} 11 desired_caps['platformName'] ='Android' 12 desired_caps['platformVersion'] ='7.0' 13 desired_caps['deviceName'] ='DIYTHYTCCQBIV47D' 14 desired_caps['browserName'] = 'Chrome' 15 16 desired_caps["unicodeKeyboard"] ="True" 17 desired_caps["resetKeyboard"] ="True" 18 driver = webdriver.Remote('http://localhost:4723/wd/hub', desired_caps) 19 20 21 print(driver.current_package) 22 print(driver.current_activity) 23 24 25 #输出错误如下： 26 Traceback (most recent call last): 27 File "D:\WorkSpace3\EXAMPLE\Appiu_ex\qwsa.py", line 18, in <module> 28 driver = webdriver.Remote('http://localhost:4723/wd/hub', desired_caps) 29 File "C:\Program Files\Python36\lib\site-packages\appium\webdriver\webdriver.py", line 97, in __init__ 30 super(WebDriver, self).__init__(command_executor, desired_capabilities, browser_profile, proxy, keep_alive) 31 File "C:\Program Files\Python36\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 157, in __init__ 32 self.start_session(capabilities, browser_profile) 33 File "C:\Program Files\Python36\lib\site-packages\appium\webdriver\webdriver.py", line 136, in start_session 34 response = self.execute(RemoteCommand.NEW_SESSION, parameters) 35 File "C:\Program Files\Python36\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 321, in execute 36 self.error_handler.check_response(response) 37 File "C:\Program Files\Python36\lib\site-packages\selenium\webdriver\remote\errorhandler.py", line 242, in check_response 38 raise exception_class(message, screen, stacktrace) 39 selenium.common.exceptions.WebDriverException: Message: An unknown server-side error occurred while processing the command. Original error: No Chromedriver found that can automate Chrome '62.0.3202'. See https://github.com/appium/appium/blob/master/docs/en/writing-running-appium/web/chromedriver.md for more details.
3、按照错误提示提供的 github 链接去查看如何安装这个driver，发现使用 npm 命令进行安装。
4、打开命令行窗口，输入npm 提示命令无效，接下来就得要先安装某个软件才能支持这个命令，网上上查找一翻之后是要安装 Node.js，之前老的appium版本(v1.4左右）是会自带这个node.js的，新版本目前未发现。
5、前往 Node.js 官网下载跟系统匹配的版本进行安装，安装时一路点 Next 直到 Finish 即可。
6、重新打开命令窗口，输入 npm -v 会提示出版本号，如果未显示出版本号则可能是安装出问题，请将上面步骤重新跑一遍。
7、然后查找浏览器的版本号，找到对应的chrmoedriver 版本号，匹配关系如下：
The following is a list of Chromedriver versions and their corresponding minimum Chrome version that is automatable:
| Version | Minimum Chrome Version | Link to Chromedriver |
|---|---|---|
| 2.42 | 68.0.3440.0 | v2.42 (link) |
| 2.41 | 67.0.3360.0 | v2.41 (link) |
| 2.40 | 66.0.3359.0 | v2.40 (link) |
| 2.39 | 66.0.3359.0 | v2.39 (link) |
| 2.38 | 65.0.3325.0 | v2.38 (link) |
| 2.37 | 64.0.3282.0 | v2.37 (link) |
| 2.36 | 63.0.3239.0 | v2.36 (link) |
| 2.35 | 62.0.3202.0 | v2.35 (link) |
| 2.34 | 61.0.3163.0 | v2.34 (link) |
| 2.33 | 60.0.3112.0 | v2.33 (lin |
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