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Home WeChat Applet WeChat Development How to implement custom WeChat code scanning login style

How to implement custom WeChat code scanning login style

Oct 26, 2017 am 10:09 AM
accomplish method customize

Recently the company’s PC website login has been revised, and WeChat scan code login has been added.
Document Scan the QR code on WeChat to log in to the document.
After setting it up, I found that the style that comes with WeChat is too big and the position is wrong, so it needs to be adjusted.

How to implement custom WeChat code scanning login style

Look at the document again

WeChat document

                var obj = new WxLogin({
                    id:"login_container", 
                    appid: "", 
                    scope: "", 
                    redirect_uri: "",
                    state: "",
                    style: "",
                    href: "../qrcode.css"//就是這個(gè)屬性
                   });

The href above is You can quote the css file we wrote ourselves.
But the official rule is that this css file must be placed on a website with https protocol, for example:

Quoting css

  href: "https://www.baidu.com/qrcode.css"

But the protocol of your own website is not https. Solution:
Solve the style problem by accessing data-url
Write a nodejs script to convert the css resource just now into data-url.

Specific method:
1. Create a new folder, put the converted js file and the css file you wrote yourself

How to implement custom WeChat code scanning login style

change.js

var fs = require('fs');
// function to encode file data to base64 encoded string
function base64_encode(file) {
// read binary data
var bitmap = fs.readFileSync(file);
// convert binary data to base64 encoded string
return 'data:text/css;base64,'+new 
Buffer(bitmap).toString('base64');
}
console.log(base64_encode('./qrcode.css'))

2. Open the terminal and enter the directory

Execute

 node change.js

How to implement custom WeChat code scanning login style

End of tutorial.


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