Bought a small program and then it has no positioning function and receipts to print (like Meituan hungry? Receipts) vendors do not provide this service also blame you buy didn't watch carefully now friends didn't understand this just want to ask a great god help me

CodePudding user response:

Buy the source code?

CodePudding user response:

Buy a source code can be modified, if is to entrust a third party that invisible code cannot be modified, positioning WeChat applet ecological support, you can do, print function need to do a nodejs service, responsible for the printing