mescloud/src/main/java/com/jeesite/modules/mes/service/MesSawService.java

package com.jeesite.modules.mes.service;

import java.util.List;

import javax.validation.ConstraintViolation;
import javax.validation.ConstraintViolationException;

import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.multipart.MultipartFile;

import com.jeesite.common.config.Global;
import com.jeesite.common.entity.Page;
import com.jeesite.common.service.CrudService;
import com.jeesite.common.service.ServiceException;
import com.jeesite.common.utils.excel.ExcelImport;
import com.jeesite.common.validator.ValidatorUtils;
import com.jeesite.modules.mes.dao.MesSawDao;
import com.jeesite.modules.mes.entity.MesSaw;

/**
 * 锯切数据Service
 * @author system
 * @version 2026-06-11
 */
@Service
public class MesSawService extends CrudService<MesSawDao, MesSaw> {

	@Override
	public MesSaw get(MesSaw e) { return super.get(e); }

	@Override
	public Page<MesSaw> findPage(MesSaw e) { return super.findPage(e); }

	@Override
	public List<MesSaw> findList(MesSaw e) { return super.findList(e); }

	@Override
	@Transactional
	public void save(MesSaw e) { super.save(e); }

	@Override
	@Transactional
	public void updateStatus(MesSaw e) { super.updateStatus(e); }

	@Override
	@Transactional
	public void delete(MesSaw e) { super.delete(e); }

	@Transactional
	public String importData(MultipartFile file) {
		if (file == null) throw new ServiceException(text("请选择导入的数据文件！"));
		int successNum = 0; int failureNum = 0;
		StringBuilder successMsg = new StringBuilder();
		StringBuilder failureMsg = new StringBuilder();
		try (ExcelImport ei = new ExcelImport(file, 2, 0)) {
			List<MesSaw> list = ei.getDataList(MesSaw.class);
			for (MesSaw item : list) {
				try {
					ValidatorUtils.validateWithException(item);
					this.save(item);
					successNum++;
					successMsg.append("<br/>").append(successNum).append("、编号 ").append(item.getId()).append(" 导入成功");
				} catch (Exception ex) {
					failureNum++;
					String msg = "<br/>" + failureNum + "、编号 " + item.getId() + " 导入失败：";
					if (ex instanceof ConstraintViolationException) {
						for (ConstraintViolation<?> v : ((ConstraintViolationException) ex).getConstraintViolations()) {
							msg += Global.getText(v.getMessage()) + " (" + v.getPropertyPath() + ")";
						}
					} else {
						msg += ex.getMessage();
					}
					failureMsg.append(msg);
					logger.error(msg, ex);
				}
			}
		} catch (Exception ex) {
			logger.error(ex.getMessage(), ex);
			failureMsg.append(ex.getMessage());
			return failureMsg.toString();
		}
		if (failureNum > 0) {
			failureMsg.insert(0, "很抱歉，导入失败！共 " + failureNum + " 条数据格式不正确，错误如下：");
			throw new ServiceException(failureMsg.toString());
		} else {
			successMsg.insert(0, "恭喜您，数据已全部导入成功！共 " + successNum + " 条，数据如下：");
		}
		return successMsg.toString();
	}
}