Web UI自动化测试框架搭建之十八： 添加录屏功能，回放页面测试过程

如果测试框架中引入录屏功能，那么当脚本执行失败，便于定位问题。

什么时候想开始录屏时就可以调用下面start方法，想保存录屏video，调用save方法，想结束录屏时就调用stop方法。

注意一点，录制的video，需要下载解码器，下载地址为https://www.techsmith.com/codecs.html

import static org.monte.media.FormatKeys.EncodingKey;
import static org.monte.media.FormatKeys.FrameRateKey;
import static org.monte.media.FormatKeys.KeyFrameIntervalKey;
import static org.monte.media.FormatKeys.MIME_AVI;
import static org.monte.media.FormatKeys.MediaTypeKey;
import static org.monte.media.FormatKeys.MimeTypeKey;
import static org.monte.media.VideoFormatKeys.CompressorNameKey;
import static org.monte.media.VideoFormatKeys.DepthKey;
import static org.monte.media.VideoFormatKeys.ENCODING_AVI_TECHSMITH_SCREEN_CAPTURE;
import static org.monte.media.VideoFormatKeys.QualityKey;
import java.awt.AWTException;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsEnvironment;

public void startRecording() throws Exception
{
GraphicsConfiguration gc = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration();
this.screenRecorder = new ScreenRecorder(gc,
new Format(MediaTypeKey, MediaType.FILE, MimeTypeKey, MIME_AVI),
new Format(MediaTypeKey, MediaType.VIDEO, EncodingKey, ENCODING_AVI_TECHSMITH_SCREEN_CAPTURE,
CompressorNameKey, ENCODING_AVI_TECHSMITH_SCREEN_CAPTURE,DepthKey, 24, FrameRateKey, Rational.valueOf(15),QualityKey, 1.0f,KeyFrameIntervalKey, 15 * 60),new Format(MediaTypeKey,MediaType.VIDEO, EncodingKey, "black",FrameRateKey, Rational.valueOf(30)),null);
this.screenRecorder.start();
}
public void stopRecording() throws Exception
{
this.screenRecorder.stop();
}

public void saveRecord() throws Exception
{
 String movieFile = null;
    if (screenRecorder != null) {
      movieFile = screenRecorder.getCreatedMovieFiles().toString();
    }
}