不多说,上代码
首先是在Controller
@Autowired
private ImportService importService;
@RequestMapping("/cust_balance_import_todo")
@ResponseBody
public String cust_balance_import_todo( @RequestParam("userInfo") MultipartFile file) throws Exception {
if(file.isEmpty()){//其中这个file自己获取的,别全部都copy完啊
return "false";
}
String fileName = file.getOriginalFilename();//获取文件夹名字
if(fileName.indexOf("xls")<0){
return "上传文件类型不符合要求,请确定是 (.xls/.xlsx)后缀的Excel 文件";
}
//List<List<Object>> list = ReadExcel.readExcel(file);
InputStream inputStream = file.getInputStream();
//这里是重要的
List<List<Object>> list = importService.getBankListByExcel(inputStream, file.getOriginalFilename());
//这里获取完,根据需要写你的东东 这个list
inputStream.close();
return null;
}
importService类
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.stereotype.Service;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
@Service
public class ImportService {
/**
* 处理上传的文件
*
* @param in
* @param fileName
* @return
* @throws Exception
*/
public List getBankListByExcel(InputStream in, String fileName) throws Exception {
List list = new ArrayList<>();
//创建Excel工作薄
Workbook work = this.getWorkbook(in, fileName);
if (null == work) {
throw new Exception("创建Excel工作薄为空!");
}
Sheet sheet = null;
Row row = null;
Cell cell = null;
for (int i = 0; i < work.getNumberOfSheets(); i++) {
sheet = work.getSheetAt(i);
if (sheet == null) {
continue;
}
for (int j = sheet.getFirstRowNum(); j <= sheet.getLastRowNum(); j++) {
row = sheet.getRow(j);
if (row == null || row.getFirstCellNum() == j) {
continue;
}
List<Object> li = new ArrayList<>();
for (int y = row.getFirstCellNum(); y < row.getLastCellNum(); y++) {
cell = row.getCell(y);
li.add(cell);
}
list.add(li);
}
}
work.close();
return list;
}
/**
* 判断文件格式
*
* @param inStr
* @param fileName
* @return
* @throws Exception
*/
public Workbook getWorkbook(InputStream inStr, String fileName) throws Exception {
Workbook workbook = null;
String fileType = fileName.substring(fileName.lastIndexOf("."));
if (".xls".equals(fileType)) {
workbook = new HSSFWorkbook(inStr);
} else if (".xlsx".equals(fileType)) {
workbook = new XSSFWorkbook(inStr);
} else {
throw new Exception("请上传excel文件!");
}
return workbook;
}
}
如果发现博文中有错误,还请各位老鸟多多指点指点