public Bill changeBillStatus(Bill bill) {
Bill billInDB = this.getEntityById(Bill.class, bill.getId());
// 如果超级管理员将状态从“已送达”变更为其他任何状态的时候，要删除其相应的厂商财务信息和农户财务信息。
if (billInDB.getStatus() == WebConstants.BILL_STATUS_FINISH
&& bill.getStatus() != WebConstants.BILL_STATUS_FINISH) {
billDao.deleteFinance(billInDB.getId());
}
String oldStatus = billInDB.getStatusTxt();
String newStatus = bill.getStatusTxt();
billInDB.setStatus(bill.getStatus());
billInDB.setReason(bill.getReason());
this.saveOrUpdateEntity(billInDB);
// 保存日志
BillLog log = Util.getBaseLog(BillLog.class, oldStatus + " -> " + newStatus);
log.setBill(bill);
log.setRemark(bill.getReason());
// 发邮件
sendEmail(billInDB, "单据状态改变(" + oldStatus + " -> " + newStatus + ")");
this.saveOrUpdateEntity(log);
return billInDB;
}
