import org.openqa.selenium.firefox.GeckoDriverService; //导入依赖的package包/类
@Override
public WebDriver createDriver() throws Exception {
    final FirefoxBinary binary = new FirefoxBinary();
    if (headless) {
        binary.addCommandLineOptions("-headless");
    }

    final Map<String, String> environmentVariables = new HashMap<>();
    if (!headless && xvfbPort != null) {
        environmentVariables.put("DISPLAY", ":" + String.valueOf(xvfbPort));
    }

    final WebDriver driver = new FirefoxDriver(
            new GeckoDriverService.Builder()
                    .usingFirefoxBinary(binary)
                    .withEnvironment(environmentVariables)
                    .build()
    );
    manage(driver);

    return driver;
}
 

import org.openqa.selenium.firefox.GeckoDriverService; //导入依赖的package包/类
private void setGeckoDriverPath() {
	String geckoDriverPath = "";
	if( SystemUtils.IS_OS_MAC || SystemUtils.IS_OS_MAC_OSX){
		geckoDriverPath = "resources/geckodriver_mac";
	}else if( SystemUtils.IS_OS_UNIX ){
		if( System.getProperty("os.arch").contains("64") || System.getProperty("sun.arch.data.model").equals("64") ){
			geckoDriverPath = "resources/geckodriver_64";
		}else{
			geckoDriverPath = "resources/geckodriver_32";
		}
	}else if( SystemUtils.IS_OS_WINDOWS ){
		try {
			if( System.getProperty("os.arch").contains("64") || System.getProperty("sun.arch.data.model").equals("64"))
				geckoDriverPath = "resources/geckodriver_64.exe";
			else
				geckoDriverPath = "resources/geckodriver_32.exe";
		} catch (Exception e) {
			geckoDriverPath = "resources/geckodriver_64.exe";
		}
	}else{
		throw new RuntimeException("Geckodriver is not supported in the current OS" );
	}

	File geckoDriverFile = new File( geckoDriverPath );
	
	// if above property is not working or not opening the application in browser then try below property
	System.setProperty(GeckoDriverService.GECKO_DRIVER_EXE_PROPERTY , geckoDriverFile.getAbsolutePath() );
	System.setProperty(FirefoxDriver.SystemProperty.DRIVER_USE_MARIONETTE , "true"  );

}
 

import org.openqa.selenium.firefox.GeckoDriverService; //导入依赖的package包/类
@Override
protected WebDriver getDriver() throws Exception
{
    DesiredCapabilities capabilities = DesiredCapabilities.firefox();
    capabilities.setCapability("useMarionette", true);
    capabilities.setCapability(GeckoDriverService.GECKO_DRIVER_EXE_PROPERTY, "./geckodriver");
    return new FirefoxDriver(capabilities);
}
 

import org.openqa.selenium.firefox.GeckoDriverService; //导入依赖的package包/类
@Override
protected DriverService createDriverService() {
    Builder builder = new GeckoDriverService.Builder();
    if (port != null) builder.usingPort(port);
    if (driverExecutable != null) builder.usingDriverExecutable(driverExecutable);
    if (environment != null) builder.withEnvironment(environment);
    if (logFile != null) builder.withLogFile(logFile);
    return builder.build();
}
 

import org.openqa.selenium.firefox.GeckoDriverService; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public String getPathProperty() {        
    return GeckoDriverService.GECKO_DRIVER_EXE_PROPERTY;
}