//将滚动条滚到适合的位置  , 方法一

      public static void setScroll(WebDriver driver,int height){

        try {

//            String setscroll = "document.documentElement.scrollTop=" + height;

            String setscroll = "document.body.scrollTop=" + height;

            JavascriptExecutor jse=(JavascriptExecutor) driver;

            jse.executeScript(setscroll);

        } catch (Exception e) {

            System.out.println("Fail to set the scroll.");

   }

 }

      //将滚动条滚到适合的位置  , 方法二

      public static void setScroll2(WebDriver driver,By by){

          try {

              WebElement page2 = driver.findElement(by);

              JavascriptExecutor jse = (JavascriptExecutor) driver;

              jse.executeScript("arguments[0].scrollIntoView()", page2);

      } catch (Exception e1) {

            System.out.println("Fail to set the scroll.");

 }

}

      //将滚动条滚到适合的位置  , 方法三

      public static void scrollToElement(WebDriver driver,By by) {

          WebElement e = driver.findElement(by);

          logger.info("scroll view element");

          JavascriptExecutor js = (JavascriptExecutor) driver;

          // roll down and keep the element to the center of browser

          js.executeScript("arguments[0].scrollIntoViewIfNeeded(true);", e);

      }

      //滚动到目标元素的纵坐标位置(Link),点击

      public void scrollAndClick(WebDriver driver,By by)

      {

         WebElement element = driver.findElement(by);

         int elementPosition = element.getLocation().getY();

         String js = String.format("window.scroll(0, %s)", elementPosition);

         ((JavascriptExecutor)driver).executeScript(js);

         element.click();

      }

//        封装判断web链接返回状态是否为2开头的

     public static void ReadUrl(String surl){

        try {

                   URL url = new URL(surl);

                   URLConnection rulConnection   = url.openConnection();

                   HttpURLConnection httpUrlConnection  =  (HttpURLConnection) rulConnection;

                   httpUrlConnection.setConnectTimeout(300000);

                   httpUrlConnection.setReadTimeout(300000);

                   httpUrlConnection.connect();

                   String code = new Integer(httpUrlConnection.getResponseCode()).toString();

                   String message = httpUrlConnection.getResponseMessage();

                   System.out.println("getResponseCode code ="+ code);

                   System.out.println("getResponseMessage message ="+ message);

                   if(!code.startsWith("2")){

                        throw new Exception("ResponseCode is not begin with 2,code="+code);

                   }

//                   打印链接返回状态码

//                   System.out.println(getDateTime()+"连接"+surl+"正常");

              }catch(Exception ex){

                   System.out.println(ex.getMessage());

              }

     }