def queryAll(self):
'''前台:查询所有商品信息'''
info=Basic.queryAllCommodity()
table = comm = Commodity.getTableaHead()
for i in info:
table.add_row(i)
print(table)
print("以上共 {} 条记录.".format(len(info)))
def queryOneCahier():
cash_no = input("请输入需要查询的售货员的编号:").strip()
cash = Basic.queryOneCashier(cash_no)
if cash == []:
print("该售货员不存在.")
return
table = Commodity.getTableaHead()
table.add_row(cash)
print(table)
def queryOne(self):
'''前台：查询一个商品信息'''
com_num=input("请输入需要查询商品的编号:")
res=Basic.queryOneCommodity(com_num)
if not res:#res为空
print("没有该商品")
else:
table=comm=Commodity.getTableaHead()
table.add_row(res)
print(table,end="\n\n")
