[ic] producing and scanning barcodes
doug1 at ultimatepassage.com
doug1 at ultimatepassage.com
Wed Jan 18 00:06:47 EST 2006
On Tue, 17 Jan 2006, Daniel Collis-Puro wrote:
> Duane Hinklley wrote:
>
>> Peter,
>>
>> I wrote a module for a client using the PDF::Report module. I can't
>> donate it since it was work for this client, but the PDF::Report did most
>> the work.
>>
>> Since the barcode scanner normally interfaces directly to the keyboard, to
>> recieve items you just need a special admin page that allows you to enter
>> the sku. You scan the item and the scanner puts the sku in the field.
>> When submit is clicked, it adds it to the inventory (ie increments the
>> inventory value in the inventory table).
>> If you have control over what the item barcodes look like, you could make
>> them all a fixed width like 12. Then on the special page to recieve the
>> item, you can add some javascript that automatically submits the page
>> after the 12 character. That way each item you scan would automatically
>> submit the page. So you don't have to touch the keyboard.
>
> You can encode <return>, <tab> and other ASCII codes in "code 128" barcodes,
> so you don't need to go Javascript to submit forms.
>
> -DJCP
Actually depending on the bar code scanner you use, you can program the
scanner to automatically append a <return> or <tab> at the end of the
barcode so you don't have to use code 128 (although code 128 is an
excellent choice).
Bruce
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