标签：short indexof equals input sde new EDA actor mod
public int importModel(MultipartFile file) throws Exception{
String fileName = file.getOriginalFilename();
String suffxName = fileName.substring(fileName.lastIndexOf(".",fileName.length()) );
//System.out.println(fileName+",后缀名："+suffxName);
String prefix=fileName.substring(fileName.lastIndexOf("."));
final File excelFile = File.createTempFile(UUID.randomUUID().toString(), prefix);
//批量处理
SqlSession session = sqlSessionFactory.openSession(ExecutorType.BATCH,false);
commericalModelMapper = session.getMapper(CommericalModelMapper.class);
// MultipartFile to File
file.transferTo(excelFile);
//判断excelp版本
Workbook workbook = null;
if(suffxName.equals(".xlsx")){
workbook = new XSSFWorkbook(new FileInputStream(excelFile));
}else{
workbook = new HSSFWorkbook(new FileInputStream(excelFile));
}
int count = 0;
if(workbook != null){
//获取excel中的数据,转换为实体类
Sheet sheet = workbook.getSheetAt(0);
List<CommericalModel> commericalModelList = CommericalModelResult.excelToModel(sheet);
int limitCount = 1000;
//进行批量添加操作(有一条不成功，全部回滚)
if(commericalModelList != null && commericalModelList.size() > 0){
for(int i = 0 ; i < commericalModelList.size();i++){
CommericalModel commericalModel = commericalModelList.get(i);
commericalModel.setCreateDate(new Date());
commericalModel.setUpdateDate(new Date());
commericalModel.setModelIsDelete((short)1);
commericalModelMapper.insert(commericalModel);
/*if(i != 0 && i%limitCount == 0){
//数量达到1000提交一次
session.commit();
} */
count++;
}
session.commit();
}
}
//删除临时文件
if(excelFile.exists()){
excelFile.delete();
}
return count;
}
SqlSession session = sqlSessionFactory.openSession(ExecutorType.BATCH,false);
commericalModelMapper = session.getMapper(CommericalModelMapper.class);
commericalModelMapper.insert(commericalModel);
添加的时候使用这个，分批次导入，可以计入那行是错误的，返回；成功添加了多少行都可以处理
标签：short indexof equals input sde new EDA actor mod
原文地址：https://www.cnblogs.com/lazyli/p/11511110.html
