Compatible with 2007 and 2003 types of files, for example: this template has two footers:
/**
* Select list import method
* File Upload
* Upload and parse out the field, add it after parsing
* Upload file field upfile
* userGroupName user group name
* appName application name
*/
@PostMapping("/upload")
public Result upload(@RequestParam("file") MultipartFile[] files,@RequestParam String userGroupName,@RequestParam String applicationName
, HttpSession session) throws IllegalStateException, IOException{
UserGroup userGroup = new UserGroup();
userGroup.setUserGroupName(userGroupName);
userGroup.setApplicationName(applicationName);
UapUser uapUser = (UapUser)session.getAttribute("USER");
if (null != uapUser) {
userGroup.setCreationBy(uapUser.getLoginName());
}
System.out.println("***File upload***");
MultipartFile excelFile = null;
if(files!=null && files.length>0){
excelFile = files[0];
}else{
return ResultGenerator.genCostomFailResult(ResultCode.DELETE_FAIL_ERROR, "No file uploaded");
}
System.out.println("***Parse excel upload to slave table***");
//The parsed user id or mac address set
List<String> idlist = new ArrayList<String>();
List<String> maclist = new ArrayList<String>();
String fileType = "";
try {
String fileName = excelFile.getOriginalFilename();
fileType = fileName.substring(fileName.lastIndexOf(".") + 1,
fileName.length());
System.out.print("The file type is "+fileType);
} catch (Exception e) {
fileType = "";
}
if (!fileType.toLowerCase().equals("xls") && !fileType.toLowerCase().equals("xlsx")) {
System.out.print("Format not supported");
return ResultGenerator.genCostomFailResult(ResultCode.DELETE_FAIL_ERROR, "Unsupported file type");
}
// XSSF
if("xlsx".equals(fileType) || "xls".equals(fileType)){
System.out.println("Start parsing"+fileType);
Workbook wb = null;
InputStream inp = excelFile.getInputStream();
try {
if(! inp.markSupported()) {
inp = new PushbackInputStream(inp, 8);
}
if(POIFSFileSystem.hasPOIFSHeader(inp)) {
wb = new HSSFWorkbook(inp);
}else if(POIXMLDocument.hasOOXMLHeader(inp)) {
wb = new XSSFWorkbook(OPCPackage.open(inp));
}
if (null == wb){
return ResultGenerator.genCostomFailResult(ResultCode.ADD_FAIL_ERROR,
"Import failed!");
}
Sheet macSheet = wb.getSheetAt(0);//mac地址
Sheet idSheet = wb.getSheetAt(1);//用户id
String mac = wb.getSheetName(0);// mac地址 Sheet1
/* String id = wb.getSheetName(1);//用户id Sheet2*/
// Parse the mac address
System.out.println("parse mac address"+mac);
for (int i = macSheet.getFirstRowNum()+1; i <= macSheet.getLastRowNum(); i++) {
Row row = macSheet.getRow(i);
Iterator cells = row.cellIterator();
while (cells.hasNext()) {
Cell cell = (Cell) cells.next();
String str = cell.getStringCellValue();
System.out.print(" " + str);
maclist.add(str);
}
}
//parse user id
System.out.println("parse id address");
for (int i = idSheet.getFirstRowNum()+1; i <= idSheet.getLastRowNum(); i++) {
Row row = idSheet.getRow(i);
Iterator cells = row.cellIterator();
while (cells.hasNext()) {
Cell cell = (Cell) cells.next(); //User Id may be a string or a pure number, not sure
cell.setCellType(Cell.CELL_TYPE_STRING);
String str = cell.getStringCellValue();
System.out.println("内容"+cell.toString());
/*Cell cell = (Cell) cells.next();
String str = cell.getStringCellValue();
System.out.print(" " + str);*/
idlist.add(str);
}
}
} catch (Exception e) {
System.out.print(e);
// return ResultGenerator.genCostomFailResult(ResultCode.ADD_FAIL_ERROR, "Add failed");
// BusinessServiceException("Unknown reason! When saving the Excel file, please don't finally position the mouse on the column in Excel where the drop-down value can be selected.");
}
}
System.out.println("User id list"+idlist);
System.out.print("mac列表 "+maclist);
userGroup.setUserIdList(idlist);
userGroup.setMacList(maclist);
UserGroup dealUserGroup = userGroupService.dealExcelImportUserGroup(userGroup);
if(dealUserGroup==null){
return ResultGenerator.genCostomFailResult(ResultCode.ADD_FAIL_ERROR, "Add failed, application name does not exist");
}
int a = userGroupService.addEcxelImportUserGroup(dealUserGroup);
if(a==-2){
return ResultGenerator.genCostomFailResult(ResultCode.ADD_FAIL_ERROR, "Add failed, the user group name already exists");
}else if (a <= 0) {
return ResultGenerator.genCostomFailResult(ResultCode.ADD_FAIL_ERROR, "Add failed");
}
return ResultGenerator.genSuccessResult("Added successfully");
}