Record the WeChat public account H5 payment encapsulated into a JS {code... }

WeChat applet is a small program of electricity business, which provides a very perfect, excellent and safe payment function. In the small program can call WeChat API to complete the payment function, convenient and fast. Small program developers in the development of small programs, payment process is inevitable to contact, today Hu Ge on the whole process of small program payment for everyone one by one, so that small partners can quickly master the ability to pay small programs, to avoid pit!

Before we can write the code, we need to get the content of the QR code for different payment methods. Very simple, just open each payment code, take a screenshot, and then find a tool that can scan the code to scan out the content of each code, and get the text content. Here's what I said:

Today's point (2021.02.10) -- Day 666 [HTML] Please implement a WeChat bomb effect [CSS] How to set a shadow effect on a font? [js] Please explain the internal mechanism of new and instanceof through the code. What are the principles? In The Analects of Confucius, Confucius Zeng said, "I examine myself three times every day." (I reflect on myself many times every day.) Front-end interview daily 3+1 questions, interview questions to drive...

Due to business needs, the development of WeChat payment function involves three payment methods: JSAPI payment: payment in the web page of WeChat, small program payment with the service number of WeChat; payment in the small program, small program H5 payment should be opened: WeChat merchant number must be opened before using WeChat payment in the mobile browser (out of WeChat internal network ye). To use that payment method, it must be opened in the merchant platform (must be reviewed). The money paid will eventually go to the merchant number...