路虽远行则将至，事虽难做则必成

java.lang.IllegalStateException: getOutputStream() has already been called for this response //strut2 导出excel //解决问题的代码 HSSFWorkbook workbook=productEcel(list,partTimer); response.reset();

private String productEcel(List list) throws Exception { // 创建工作表和标题 HSSFWorkbook workbook = null; try { workbook = new HSSFWorkbook(); } catch (Exception e) { e.printStackTrac