物品条形码阅读 [英] items Barcode Reading

问题描述

iam在超市销售点系统工作

所有商品都有条形码

但是我遇到了frunits和vegtables（按重量计的物品）的问题

例如，如果我们在系统中记录

项目名称条形码（例如）每公斤价格

番茄12345 10



因此，当客户去收银台支付系统时，我会按条形码阅读该项目，但该程序包含在每公斤系统中，如果裁缝买2公斤或700 GM

如何我可以让条形码系统读取标签上的价格

或者是什么解决方案

iam work on sales point system for super market
all items have barcode
but i get problem for frunits & vegtables (items by weight)
for example if we record in system
item name barcode(for example) price per kg
tomato 12345 10

so when the customer go to cashier to pay the system 'll read the item by barcode but the proce included in system per kg what if the cutomer buy 2 kg or 700 GM
how can i make the barcode system read the price on the label
or what is the solution for that

推荐答案

如何系统将从条形码中读取价格



除非是特定类型的条形码，包括每公斤价格，否则不会这样做在实际的条形码数据（和消费者单位条形码通常不这样做）



您将遇到的大多数条形码只保存一条信息ion：一个商品编号，它将产品唯一标识为（比如）05012345678901并获取该商品的价格，该商品用于索引数据库，该数据库返回完整信息：

"how the system 'll read the price from the barcode"

You don't, unless it is a specific type of barcode that includes price-per-kg in the actual barcode data (and consumer unit barcodes don't normally do that)

Most barcodes you will meet hold only one piece of information: an Article Number which uniquely identifies a product as (say) 05012345678901 and to get the price for the item that number is used to index into a database which returns the full info:

AN              05012345678901
Description     "tin of beans, Heinz, 400g"
Weight(kgs)     0.400
Price           £1.23
Stock           1267
ReOrderAt       500
OrderFrom       ...

那么你为松散重量项目做的是在数据库返回的数据中包含一个松散权重代码，并使用它来计算给定重量数据的价格scale。

So what you do for "loose weight" items is include a "loose weight" code in the data the DB returns and use that to calculate the price given the data from the weight scale.

创建1Kg的条形码并设置1Kg的速率。当系统读取条形码时，它的重量为1Kg，价格为1Kg。然后收银员将在系统中输入准确数量，系统将在运行时将数量乘以费率。

例如：

您有一个项目Apple，其值为100 / Kg。客户购买700Gm。当收银员扫描条形码时，系统将读取1Kg，100 / Kg价格，金额为100.收银员将输入数量为0.7的数量，0.7 * 100 = 70.比尔金额将为70.

Create a barcode for 1Kg and set rate of 1Kg. When system reads barcode, it will read 1Kg as weight and it's price of 1Kg. Then cashier will enter exact quantity in system and system will multiply quantity with rate on runtime.
For Example:
You have an item Apple with value 100/Kg. Customer buys 700Gm. When cashier scan barcode, system will read 1Kg with 100/Kg Price and amount will 100. Cashier will enter 0.7 in qty and 0.7*100 = 70. Bill Amount will be 70.

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