java校验导入的模板

/**
* 验证导入模板的正确性 InputStream inputStream = file.getInputStream();

*/
@SuppressWarnings("deprecation")
public Boolean  falg(InputStream inputStream,String fileName) throws IOException{
Boolean falg = true;
if(fileName.equals("xlsx")){
XSSFWorkbook workbook = new XSSFWorkbook(inputStream);
XSSFSheet sheet = workbook.getSheetAt(0);
if(sheet!=null){
XSSFRow row1 = sheet.getRow(0);
if(row1!=null){
XSSFCell cell = row1.getCell((short) 0);
XSSFCell cell1 = row1.getCell((short) 2);
XSSFCell cell2 = row1.getCell((short) 3);
if(cell==null||!cell.toString().equals("信息来源")){//字段
falg=false;
return falg;
}
if(cell1==null||!cell1.toString().equals("权利证明编号")){
falg=false;
return falg;
}
if(cell2==null||!cell2.toString().equals("省")){
falg=false;
return falg;
}
}
}
}else{
HSSFWorkbook workbook = new HSSFWorkbook(inputStream);
HSSFSheet sheet = workbook.getSheetAt(0);
if(sheet!=null){
HSSFRow row1 = sheet.getRow(0);
if(row1!=null){
HSSFCell cell = row1.getCell((short) 0);
HSSFCell cell1 = row1.getCell((short) 2);
HSSFCell cell2 = row1.getCell((short) 3);
if(cell==null||!cell.toString().equals("信息来源")){
falg=false;
return falg;
}
if(cell1==null||!cell1.toString().equals("权利证明编号")){
falg=false;
return falg;
}
if(cell2==null||!cell2.toString().equals("省")){
falg=false;
return falg;
}
}
}
}
return falg;
}