wnserver/obj/utils/examine_ood.py

from django.db import connection

# 用于判断进货开票单是否存在

def examine_ood(TB,TYPE,OOD,BIL_NO,BLI_NAME):
    """

    :param TB: 表名
    :param TYPE: 字段名
    :param OOD: 单号
    :param BIL_NO: 单据id
    :param BLI_NAME: 单据id值
    :return:
    """
    sql = "SELECT COUNT(*) FROM %s WHERE %s='%s' AND %s='%s'" % (TB, TYPE, OOD,BIL_NO,BLI_NAME)
    with connection.cursor() as cursor:
        # 判断单号是否重复
        row_ZL_NO = cursor.execute(sql).fetchall()[0][0]
        return row_ZL_NO