How to generate QR code with mini program

How to generate QR codes from mini programs: First create a new code snippet, download the [weapp.qrcode.min.js] file and copy it to the mini program directory; then import [weapp.qrcode.min.js] file, and set [canvas-id]; finally call the qrcode method to generate a QR code.

The operating environment of this article: Windows 7 system, small program development tool version V1.02.1909111, Dell G3 computer.

Relevant learning recommendations: Mini Program Development Tutorial

How to generate QR codes from Mini Programs:

1. First of all Open the development tools and create a new small program code snippet, as shown below

2. Then open github, search for weapp-qrcode, and select the first one options, as shown in the figure below

3. Then enter the details interface and download the weapp.qrcode.min.js file, as shown in the figure below

4. Then copy the weapp.qrcode.min.js file to the mini program directory, as shown in the figure below

5. Then Open the index.js file of the mini program and import the weapp.qrcode.min.js file at the top, as shown in the figure below

6. Then open the wxml file and declare a canvas , and set a canvas-id, as shown in the figure below

7. Then call the qrcode method in the index.js file to generate the QR code, The text attribute refers to the content of the QR code, as shown in the figure below

#8. Finally, run the mini program to see the generated QR code. Scan and read it. Output the content of the text, as shown below

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