多文件上传解析excel

/*批量上传Excel文件并且解析案例*/

发文原因是自己记录，方便以后使用，如果不妥请指教!

public ActionForward addPushImei(ActionMapping mapping, ActionForm actionFrom,

HttpServletRequest req, HttpServletResponse response) {

List<Map<String, Object>>  results = batchOpByExcel(actionFrom);

.......

}

 

private List<Map<String, Object>> batchOpByExcel(ActionForm form) {

JSONObject result = new JSONObject();

                //该方法可以获得存放着所上传的文件的 HashTable 集合.  

Map formFiles = form.getMultipartRequestHandler().getFileElements();

FormFile formFile = null;

InputStream in = null;

                //用于存放excel文件数据

List<Map<String, Object>> excelData = new ArrayList<Map<String, Object>>();

 

try {

Set<Map.Entry<String, Object>> keyEntrySet = formFiles.entrySet();

for (Map.Entry<String, Object> et : keyEntrySet) {

formFile = (FormFile) et.getValue();

                               //获取文件流

in = formFile.getInputStream();

String cols[] = getColsByOpType();

                               //读取excel内容

excelData = ExcelReader.getExcelData(in, cols, 0);//getExcelData方法省略

}

} catch (Exception e) {

logger.error("batchOpByExcel Exception = " + e, e);

result.put("state", "fail");

} finally {

if (null != in) {

try {

in.close();

} catch (IOException e) {

logger.error("batchOpByExcel Exception = " + e, e);

}

}

}

return excelData;

}

        //通过类型获取列

private String[] getColsByOpType() {

return new String[] { "imei" };

}