/**
  * Description: appned log info line be line.
  *
  * @param logMap the log info hashmap.
  */
 public void logWrite(Map<String, String> logMap) {
   logger.info(logMap.get("trace_info"));
   htmlWritter.write(logMap); // HTML写入
 }
 /**
  * Description: write tail of log file and close file output stream.
  *
  * @param endTime the time of test ends, by unit of millisecond.
  */
 public void logDestory(long endTime) {
   htmlWritter.changeTime(endTime);
   htmlWritter.destory();
 }
 /**
  * Description: initialize the Logger instance.
  *
  * @param startTime the time of test begins, by unit of millisecond.
  */
 public void logInit(long startTime) {
   logger = Logger.getLogger(className);
   htmlWritter = new HTMLFormatter(LOG_ABS + className + ".html");
   htmlWritter.setEncoding(charSet);
   htmlWritter.init(className, startTime);
 }