Tag：receipt
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Time：2020-10-16
I can’t find it online, so I can only draw and study; <html> <head> < title > my first HTML page < / Title > </head> <body> <canvas id=’cvs’ width=’1000′ height=”800″> </canvas> <script> const cvs =document.getElementById(‘cvs’); //Calculate the width of the canvas const width = cvs.offsetWidth; //Calculate the height of the canvas const height = […]
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Time：2020-10-5
As I said in the last article, it’s very easy to draw a picture when the data is ready. If you’re worried about not answering back, I’ll give you a simple example, You practice first. This is very simple. You don’t have to use object-oriented or anything. You just roll it out in the most […]
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Time：2020-5-21
Requirement: S4 after the receipt voucher is made according to the purchase order, if the user unapproves the purchase order to modify the unit price, the system will prompt “received, unit price cannot be modified”. Judgment process: whether there is receipt voucher If the purchase order conditions are priced according to the purchase information record, […]
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Time：2020-1-29
JS functional programming I read a lot of functional programming tutorials about JavaScript on the Internet, but I feel that many of them are either copied or mystified. JS has developed to the style of Yoga circle. It’s like you can’t speak well with your accent and 13. It’s like you can’t understand what you’re […]
