selenium WebDriver 操作高德地图

            String URL="http://www.amap.com/";
            WebDriver driver = new FirefoxDriver(profile);
            driver.get(URL);
            driver.manage().window().maximize();
            driver.manage().timeouts().implicitlyWait(60, TimeUnit.SECONDS);
            driver.manage().timeouts().pageLoadTimeout(30, TimeUnit.SECONDS);
            WebElement chooseCityElement=driver.findElement(By.xpath("//div/span[@class=\'icon_expand cursor ml5\']"));
            chooseCityElement.click();
            WebElement city_iframe=driver.findElement(By.xpath("//iframe[@id=\'city_iframe\']"));
            driver.switchTo().frame(city_iframe);
            WebElement BJ=driver.findElement(By.xpath("//div/a[text()=\'北京\']"));
            BJ.click();
            driver.switchTo().defaultContent();
            WebElement inputBoxElement=driver.findElement(By.xpath("//input[@id=\'keywordTxt\']"));
            WebElement searchButton=driver.findElement(By.xpath("//input[starts-with(@class,\'magnifier_button\')]"));
            inputBoxElement.clear();
            inputBoxElement.sendKeys("天安门");
            searchButton.submit();
            driver.manage().timeouts().pageLoadTimeout(30, TimeUnit.SECONDS);
            WebElement tiAnMenElement=driver.findElement(By.xpath("//div[@title=\'天安门\']"));
            tiAnMenElement.click();
            driver.manage().timeouts().pageLoadTimeout(30, TimeUnit.SECONDS);
            
            WebElement comeToHereElement=driver.findElement(By.xpath("//div[@class=\'route\']//li[text()=\'到这里去\']"));
            comeToHereElement.click();
            
            WebElement setStartLocationElement =driver.findElement(By.xpath("//div/input[@class=\'route-input srh-ipt\']"));
            setStartLocationElement.sendKeys("火车站");
            WebElement routeByBus=driver.findElement(By.xpath("//div[@id=\'rout-by-bus\']"));
            routeByBus.click();
            driver.manage().timeouts().pageLoadTimeout(30, TimeUnit.SECONDS);
            WebElement startFrom=driver.findElement(By.xpath("//div[@class=\'start_end_item_title\' and contains(text(),\'北京站\')]"));
            Actions actions= new Actions(driver);
            actions.moveToElement(startFrom).click(driver.findElement(By.xpath("//a[contains(text(),\'设为起点\') and @data-name=\'北京站\']"))).perform();
            driver.manage().timeouts().pageLoadTimeout(30, TimeUnit.SECONDS);
            
            
            driver.findElement(By.xpath("//div[@class=\'amap-zoom-plus\']")).click();