selenium+ java 下拉框—— 下拉框选择

public class select {

    public static void main(String[] args) throws InterruptedException {

        //驱动配置信息 
        System.setProperty ( "webdriver.chrome.driver", "D:\driver\chromedriver.exe" );
        WebDriver driver = new ChromeDriver ( );
        driver.manage ( ).window ( ).maximize ( );
        driver.get ( "https://www.w3school.com.cn/tiy/t.asp?f=html_select" );

        //切换frame
        driver.switchTo ( ).frame ( "i" );

        //根据元素定位找到select标签
        Select level = new Select ( driver.findElement ( By.tagName ( "select" ) ) );

        //操作参数为 option 标签中属性值；
        level.selectByValue ( "saab" );

        //打印选择值并对结果进行断言打印
        System.out.println ( "下拉框值选择为：" + level.getFirstSelectedOption ( ).getText ( ) +"\n"+ level.equals (level) );


        driver.quit ( );
    }

}
public class select {

    public static