Practical problem is that every product we bar-coded, so according to the product quantity to print bar code, for example:
Product code size quantity
The abcd 8 S
The abcd M 10
The abcd L 12

Requirement S yards to play eight barcode, 10 M, L 12
Consult print what to do.

CodePudding user response:

Two kinds of method,
1. A temporary table database lanes, if need eight just eight records, a dozen out
Article 2. The program loop, if is 8 cycles of eight times, play eight times.

CodePudding user response:

The use of "sharp waves" controls, you can complete,