解决Java导入excel大量数据出现内存溢出的问题

 private BufferedReader bReader;  /**   * 执行文件入口   */  public void execute() {    try {      if(!path.endsWith(".csv")){        logger.info("-----该文件不是以CSV文件，请上传正确的文件格式------");        return ;      }      Long startTime = System.currentTimeMillis();      logger.info("------开始执行定时任务，时间=" + startTime);      readCSV(path);      Long endTime = System.currentTimeMillis();      logger.info("------结束定时任务，时间=" + endTime + "---耗时="          + (endTime - startTime));    } catch (Exception e) {      e.printStackTrace();    }  }  /**   * 读取csv并处理数据   * @param path   * @throws Exception   */  private void readCSV(String path) throws Exception {    File file = new File(path);     try {      bReader = new BufferedReader(new InputStreamReader(new FileInputStream(file), "gbk"));       String line = "";        //忽略第一行标题        for (int i = 0; i < 1; i++) {           line = bReader.readLine();         }        while((line = bReader.readLine()) != null){          if (line.trim() != "") {          //分割开来的即是对应的每个单元格，注意空的情况            String[] result = line.split(",");            }          }        }     } finally {      if (bReader != null) {        bReader.close();      }    }  }