ChromeDriver（功能功能）已弃用 [英] ChromeDriver(Capabilities capabilities) is deprecated

问题描述

我使用 ChromeDriver 2.33 与 WebDriver 3.6.0 并尝试设置文件下载的默认目录。

I use ChromeDriver 2.33 with WebDriver 3.6.0 and try to set default directory for file download.

Map<String, Object> prefs = new HashMap<String, Object>();
prefs.put("download.default_directory", Vars.DOWNLOAD_FOLDER_ROOT);
DesiredCapabilities caps = DesiredCapabilities.chrome();

ChromeOptions options = new ChromeOptions();
options.addArguments("--start-maximized");
options.setExperimentalOption("prefs", prefs);
caps.setCapability(ChromeOptions.CAPABILITY, options);
driver = new ChromeDriver(caps);

我在docs中找到了这个：

I found this in docs:

请改用ChromeDriver（ChromeOptions）。创建一个新的ChromeDriver
实例。这些功能将被传递给chromedriver服务。

Use ChromeDriver(ChromeOptions) instead. Creates a new ChromeDriver instance. The capabilities will be passed to the chromedriver service.

推荐答案

我希望你想问一下避免弃用的解决方法。

I hope you wanted to ask about the workaround to avoid the deprecation.

不推荐使用功能构建的旧方法。现在，需要 ChromeDriverService & 功能作为参数。因此，只需构建一个 ChromeDriverService ，并将其与功能一起传递，以删除弃用警告。

The old method of just building with Capabilities is deprecated. Now, it takes a ChromeDriverService & Capabilities as parameters. So, just a build a ChromeDriverService and pass the same along with your Capabilities to remove the deprecation warning.

DesiredCapabilities capabilities = DesiredCapabilities.chrome();

ChromeDriverService service = new ChromeDriverService.Builder()
                    .usingDriverExecutable(new File("/usr/local/chromedriver"))
                    .usingAnyFreePort()
                    .build();
ChromeDriver driver = new ChromeDriver(service, capabilities);

编辑：
自 ChromeDriver （服务，功能）现在也被弃用，你可以使用，

Since ChromeDriver(service, capabilities) is deprecated now as well, you can use,

DesiredCapabilities capabilities = DesiredCapabilities.chrome();

ChromeDriverService service = new ChromeDriverService.Builder()
                            .usingDriverExecutable(new File("/usr/local/chromedriver"))
                            .usingAnyFreePort()
                            .build();
ChromeOptions options = new ChromeOptions();
options.merge(capabilities);    
ChromeDriver driver = new ChromeDriver(service, options);

但是，您可以完全跳过 DesiredCapabilities 和仅使用 ChromeOptions 与 setCapability 等方法，

However, You can completely skip DesiredCapabilities and use only ChromeOptions with setCapability method like,

ChromeOptions options = new ChromeOptions();
options.setCapability("capability_name", "capability_value");
driver = new ChromeDriver(options);

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