根据心电图数据绘制心电图

package ecg.test; import java.awt.Color; import java.awt.Graphics; import java.awt.image.BufferedImage; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.util.Arrays; import java.util.List; import javax.imageio.ImageIO; import org.apache.commons.lang3.StringUtils; public class DrawEcgDemoUtil { private static String data = 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