public void writeFile(String filePath, List<AggregateReport> aggregateReports) {
    BufferedWriter bufferedWriter = null;
    File file = new File(filePath);

    try {
      if (file.exists() == true) {
        bufferedWriter = new BufferedWriter(new FileWriter(file, true));
      } else {
        bufferedWriter = new BufferedWriter(new FileWriter(file));
      }
      String title = "并发数,平均响应时间(ms),error(%),QPS(/sec)";
      bufferedWriter.write(title + "\n");
      for (AggregateReport aggregateReport : aggregateReports) {
        // String result = aggregateReport.getThreads() + "," + aggregateReport.getLabel() + "," +
        // aggregateReport.getSamples() + "," + aggregateReport.getAverage() + "," +
        // aggregateReport.getMedian() + "," + aggregateReport.getNinetyLine() + "," +
        // aggregateReport.getMin() + "," + aggregateReport.getMax() + "," +
        // aggregateReport.getError() + "," + aggregateReport.getThroughput();
        String result =
            aggregateReport.getThreads()
                + ","
                + aggregateReport.getAverage()
                + ","
                + aggregateReport.getError()
                + ","
                + aggregateReport.getThroughput();
        bufferedWriter.write(result + "\n");
      }
    } catch (IOException e) {
      e.printStackTrace();
    } finally {
      try {
        if (bufferedWriter != null) bufferedWriter.close();
      } catch (IOException e) {
        e.printStackTrace();
      }
    }
  }
  public List<AggregateReport> getContent(List<String> filePaths) {
    List<AggregateReport> aggregateReports = new ArrayList<AggregateReport>();
    File file;
    BufferedReader reader = null;
    String tempString;
    try {
      for (String filePath : filePaths) {
        file = new File(filePath);
        // System.out.println(file.getName());
        reader = new BufferedReader(new FileReader(file));
        int line = 0;
        while ((tempString = reader.readLine()) != null) {
          // System.out.println(tempString);
          line++;
          if (tempString.startsWith("TOTAL")) {
            // System.out.println(tempString);
            String[] temps = tempString.split(",");
            AggregateReport aggregateReport = new AggregateReport();
            aggregateReport.setLabel(temps[0]);
            aggregateReport.setSamples(Integer.parseInt(temps[1]));
            aggregateReport.setAverage(Integer.parseInt(temps[2]));
            aggregateReport.setMedian(Integer.parseInt(temps[3]));
            aggregateReport.setNinetyLine(Integer.parseInt(temps[4]));
            aggregateReport.setMin(Integer.parseInt(temps[5]));
            aggregateReport.setMax(Integer.parseInt(temps[6]));
            aggregateReport.setError(Float.parseFloat(temps[7]));
            aggregateReport.setThroughput(Float.parseFloat(temps[8]) / (line - 2));

            temps = file.getName().split("\\.");
            if (isNumeric(temps[0])) {
              aggregateReport.setThreads(Integer.parseInt(temps[0]));
            } else {
              String[] array = temps[0].split("-");
              int threads = Integer.parseInt(array[0]) + Integer.parseInt(array[1]);
              aggregateReport.setThreads(threads);
            }
            // System.out.println(temps[0]);
            aggregateReports.add(aggregateReport);
          }
        }
      }
    } catch (FileNotFoundException e) {
      e.printStackTrace();
    } catch (IOException e) {
      e.printStackTrace();
    } finally {
      try {
        if (reader != null) reader.close();
      } catch (IOException e) {
        e.printStackTrace();
      }
    }
    Collections.sort(aggregateReports);
    return aggregateReports;
  }
 /** @param args */
 public static void main(String[] args) {
   // TODO Auto-generated method stub
   FileTools fileTools = new FileTools();
   List<String> filePaths =
       fileTools.getAllFileDirectory(
           "/Users/gaochuanjun/Documents/12.新闻app性能测试/01.性能测试/02.20140523");
   for (String filePath : filePaths) {
     System.out.println(filePath);
   }
   List<AggregateReport> aggregateReports = fileTools.getContent(filePaths);
   for (AggregateReport aggregateReport : aggregateReports) {
     System.out.println(
         aggregateReport.getThreads()
             + ","
             + aggregateReport.getLabel()
             + ","
             + aggregateReport.getSamples()
             + ","
             + aggregateReport.getAverage()
             + ","
             + aggregateReport.getMedian()
             + ","
             + aggregateReport.getNinetyLine()
             + ","
             + aggregateReport.getMin()
             + ","
             + aggregateReport.getMax()
             + ","
             + aggregateReport.getError()
             + ","
             + aggregateReport.getThroughput());
   }
   fileTools.writeFile(
       "/Users/gaochuanjun/Documents/12.新闻app性能测试/01.性能测试/02.20140523/result.csv",
       aggregateReports);
 }