1. 默认情况下，JMeter 不应将 POST 数据从从设备传输到主站。如果它确实仔细检查您的结果文件配置，并确保jmeter.save.saveservice.output_format设置为 csv，并且您只存储那些绝对需要的指标

仅供参考：您正在查看错误的函数，如果您想以编程方式从“文件上传”部分删除文件，您需要执行类似 sampler.setHTTPFiles（新 HTTPFileArg\[0\]）;

请注意，在此更改后，您的文件上传将停止工作。

所以，我不知道如何排除后数据从jeter从到主通信；我不得不编写自己的JSR-223采样器，它使用HttpConnection类执行称为表单 Java 代码的超文本传输协议请求，然后操作来自 Java 代码的样本数据。Http采样器不适合我。

这种采样器很好，因为它还允许读取文件并使用Input/OutputStreams和缓冲区将它们发送到http post body，因此我们不再需要内存来上传HttpSampler用来分配的整个文件。

示例采样器代码如下:

    import java.net.HttpURLConnection;

    HttpURLConnection httpConn = null;
    String line = null;
    try {
       URL url = new URL("http://${url}/api/v2.0/datasets");
           URLConnection urlConn = url.openConnection();               
        if (!(urlConn instanceof HttpURLConnection)) {
            throw new IOException ("URL is not an Https URL");
        }               
        httpConn = (HttpURLConnection)urlConn;
        httpConn.setAllowUserInteraction(false);
        httpConn.setInstanceFollowRedirects(true);
        httpConn.setRequestMethod("POST");
        httpConn.setRequestProperty("Connection", "keep-alive");
        httpConn.setRequestProperty("Content-Type", "multipart/form-data; boundary=boundary");
        httpConn.setRequestProperty("User-Agent", "Apache-HttpClient/4.5.5 (Java/1.8.0_161)");
        httpConn.setReadTimeout(500 * 1000);
        httpConn.setDoOutput(true);

        OutputStreamWriter out = new OutputStreamWriter(
                                         httpConn.getOutputStream());


        out.write("--boundary\r\n");
        out.write("Content-Disposition: form-data; name=\"name\"\r\n");
        out.write("Content-Type: text/plain; charset=US-ASCII\r\n");
        out.write("Content-Transfer-Encoding: 8bit\r\n");
        out.write("\r\n");
        out.write("dataset${__time}\r\n");
        out.write("--boundary\r\n");
        out.write("Content-Disposition: form-data; name=\"token\"\r\n");
        out.write("Content-Type: text/plain; charset=US-ASCII\r\n");
        out.write("Content-Transfer-Encoding: 8bit\r\n");
        out.write("\r\n");
        out.write("${user_token}\r\n");
        out.write("--boundary\r\n");
        out.write("Content-Disposition: form-data; name=\"sep\"\r\n");
        out.write("Content-Type: text/plain; charset=US-ASCII\r\n");
        out.write("Content-Transfer-Encoding: 8bit\r\n");
        out.write("\r\n");
        out.write("${separator}\r\n");
        out.write("--boundary\r\n");
        out.write("Content-Disposition: form-data; name=\"csv_file\"; filename=\"filename.csv\"\r\n");
        out.write("Content-Type: text/plain\r\n");
        out.write("Content-Transfer-Encoding: binary\r\n");
        out.write("\r\n");
        out.write("\r\n");
        String filepath="files//${datasetFileName}";
        File file = new File(filepath);
        FileInputStream fileInputStream = new FileInputStream(file);
        InputStreamReader isr = new InputStreamReader(fileInputStream);
        BufferedReader fin =
                new BufferedReader(isr); 
       String bufString;                  
       while ((bufString = fin.readLine()) != null) {
             out.write(bufString+"r\n");
        }  
        out.write("--boundary--");
        out.flush();
        out.close();

       InputStream _is;
       log.info(""+httpConn.getResponseCode());
       SampleResult.setResponseCode(httpConn.getResponseCode()+"");
       if (httpConn.getResponseCode() >= 400) {         
       _is = httpConn.getErrorStream();
       SampleResult.setSuccessful(false);
       } else {
       /* error from server */
       _is = httpConn.getInputStream();
       }
       if (_is!=null)
       {
       BufferedReader in =
                new BufferedReader(
                    new InputStreamReader(_is)
                    );                   

        String decodedString;
        String accumulate="";
        while ((decodedString = in.readLine()) != null) {
             accumulate=accumulate+"\n"+decodedString;
           log.info(decodedString);
        }       
        SampleResult.setResponseData(accumulate);
       }
       else
       {
        SampleResult.setResponseData("No data from server");
       }
       }
      catch (MalformedURLException e) {
       e.printStackTrace();
       log.info(e.getMessage());
    } catch( SocketTimeoutException e){
       e.printStackTrace();
       log.info(e.getMessage());
     }    
    finally {//httpConn.disconnect();
        }