selenium3.3+Firefox54（最新版） WebDriver报错 ?

姿态

初学者，配置好了一切，网上找了一些demo
代码如下：

1. package Selenium_Java;
   
2. 
   
3. import java.io.File;
   
4. 
   
5. import org.openqa.selenium.By;
   
6. import org.openqa.selenium.WebDriver;
   
7. import org.openqa.selenium.WebElement;
   
8. import org.openqa.selenium.chrome.ChromeDriver;
   
9. import org.openqa.selenium.firefox.FirefoxDriver;
   
10. import org.openqa.selenium.ie.InternetExplorerDriver;
    
11. 
    
12. public class test111 {
    
13. 
    
14. public static void main(String[] args) {
    
15. 
    
16. 
    
17. //System.setProperty("webdriver.firefox.bin", "C:\\Program Files (x86)\\Mozilla Firefox\\firefox.exe");
    
18. WebDriver driver = new FirefoxDriver();//创建火狐
    
19. 
    
20. driver.get("http://www.baidu.com");//打开百度
    
21. driver.manage().window().maximize();//最大化
    
22. WebElement  element = driver.findElement(By.id("kw"));
    
23. element.sendKeys("HelloWorld");//输入值china
    
24. driver.findElement(By.id("su")).click();
    
25. 
    
26. System.out.println("asdasd");
    
27. }
    
28. 
    
29. }

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报错如下：

1. Exception in thread "main" java.lang.IllegalStateException: The path to the driver executable must be set by the webdriver.gecko.driver system property; for more information, see https://github.com/mozilla/geckodriver. The latest version can be downloaded from https://github.com/mozilla/geckodriver/releases
   
2. at com.google.common.base.Preconditions.checkState(Preconditions.java:738)
   
3. at org.openqa.selenium.remote.service.DriverService.findExecutable(DriverService.java:111)
   
4. at org.openqa.selenium.firefox.GeckoDriverService.access$100(GeckoDriverService.java:38)
   
5. at org.openqa.selenium.firefox.GeckoDriverService$Builder.findDefaultExecutable(GeckoDriverService.java:112)
   
6. at org.openqa.selenium.remote.service.DriverService$Builder.build(DriverService.java:302)
   
7. at org.openqa.selenium.firefox.FirefoxDriver.toExecutor(FirefoxDriver.java:233)
   
8. at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:125)
   
9. at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:121)
   
10. at Selenium_Java.test111.main(test111.java:22)

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报错那行是：WebDriver driver = new FirefoxDriver();//创建火狐

我看别人demo都是有上面那一段就打开了火狐浏览器
下面报错看不懂。。。求大神支援下。很不懂

草帽路飞UU

1.指定geckodriver的路径
System.setProperty("webdriver.gecko.driver", "D:\\Program Files\\Mozilla Firefox\\geckodriver.exe");
2.如果还是报错，更换selenium的jar包，更换为selenium-server-standalone-3.4.0.jar；
我的火狐浏览器的版本是51