内存溢出xssfworkbook

File test = new File("D:\\test.xlsx");try { XSSFWorkbook wb = new XSSFWorkbook(new FileInputStream(test)); SXSSFWorkbook workbook = new SXSSFWorkbook(wb); Sheet sheet = workbook.getSheetAt(0); for (int i = 0; i < 5; i++) { Row row = sheet.getRow(i); if(row==null){ Syst