I've built an e-shopping website for a big company which has country offices.
What i want to do is the following
Is it possible only with web interface? I mean without any local application. How to do that? PLease explain.
so here is an approach that could work for you:
You need to put a record in a database like:
package_id | name | status 1234 My Package shipped
Generate a barcode which contains the package_id, you have to decide what kind of barcode you want to use. You could also use a data matrix. Then you create the bar code as image so that you can print it. Data Matrix is very good for large custom data.
Print the bar code, put it on your package
The package arrives at the office, the user logs on to your website, clicks on "Confirm Package Received" or whatever. Then there is a text-field, he focuses the text-field, scans the barcode/data matrix and your package ID "1234" will appear in the text-field
Submit the form, lookup the entry in the database, change it to:
package_id | name | status
1234 My Package delivered
A Tip If you use a QR Code it can be read by many mobile phones, so you don't need a real bar code scanner. You could write an app that reads the bar code and sends the package_id to your server.
Tcpdf has a few classes for generating barcodes:
http://www.tcpdf.org/doc/code/classTCPDFBarcode.html
With good examples:
http://www.tcpdf.org/examples.php
For example the first:
// set the barcode content and type
$barcodeobj = new TCPDFBarcode('http://www.tcpdf.org', 'C128');
// output the barcode as HTML object
echo $barcodeobj->getBarcodeHTML(2, 30, 'black');
Check larsjung.de/qrcode/
It's JQuery Pluggin, but works well with PHP.
As I see your scenario, you need more than just 1D Barcode. You need QR Code.
Hope this helps.
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