qrcode-ly

介绍

{以下是 Gitee 平台说明，您可以替换此简介 Gitee 是 OSCHINA 推出的基于 Git 的代码托管平台（同时支持 SVN）。专为开发者提供稳定、高效、安全的云端软件开发协作平台 无论是个人、团队、或是企业，都能够用 Gitee 实现代码托管、项目管理、协作开发。企业项目请看 https://gitee.com/enterprises}

QR Code

Try it here https://qr-code-styling.com

软件架构

软件架构说明

安装教程

npm install qrcode-ly --save

使用说明

	import VQRCodeStyling from "qrcode-ly";
	
	const qrCode = new VQRCodeStyling({
        width: 300,
        height: 300,
        type: "svg",
        data: "https://www.facebook.com/",
        image: "https://upload.wikimedia.org/wikipedia/commons/5/51/Facebook_f_logo_%282019%29.svg",
        dotsOptions: {
            color: "#4267b2",
            type: "rounded"
        },
        backgroundOptions: {
            color: "#e9ebee",
        },
        imageOptions: {
            crossOrigin: "anonymous",
            margin: 20
        }
    });
	
	const imageUrl = await qrCode.getImageUrl('png'); // 获取二维码图片链接
	qrCode.download({ name: "qr", extension: "svg" }); // 二维码下载

API Documentation

QRCode instance

new VQRCodeStyling(options) => QRCode

Param |Type |Description -------|------|------------ options|object|Init object

options structure

Property |Type |Default Value|Description -----------------------|-------------------------|-------------|----------------------------------------------------- width |number |300 |二维码宽度 height |number |300 |二维码高度 type |string ('canvas' 'svg')|canvas |The type of the element that will be rendered data |string | |二维码内容 image |string | |二维码logo margin |number |0 |二维码图像的外边距 qrOptions |object | |二维码配置 imageOptions |object | |logo配置 dotsOptions |object | |二维码点配置 cornersSquareOptions |object | |码外眼配置 cornersDotOptionsHelper|object | |码内眼配置 backgroundOptions |object | |背景配置

options.qrOptions structure

Property |Type |Default Value --------------------|--------------------------------------------------|------------- typeNumber |number (0 - 40) |0 mode |string ('Numeric' 'Alphanumeric' 'Byte' 'Kanji')| errorCorrectionLevel|string ('L' 'M' 'Q' 'H') |'Q'

options.imageOptions structure

Property |Type |Default Value|Description ------------------|---------------------------------------|-------------|------------------------------------------------------------------------------ hideBackgroundDots|boolean |true |隐藏图片背后有点 imageSize |number |0.4 |logo大小 borderSize |number |0 |logo边框 borderRadius |number |0 |logo边框圆角 logoRadius |number |0 |logo圆角 bgColor |string |#ffffff |logo背景色 margin |number |0 |Margin of the image in px crossOrigin |string('anonymous' 'use-credentials')| |Set "anonymous" if you want to download QR code from other origins.

options.dotsOptions structure

Property|Type |Default Value|Description --------|------------------------------------------------------------------------------|-------------|------------------- color |string |'#000' |Color of QR dots gradient|object | |Gradient of QR dots type |string ('rounded' 'dots' 'classy' 'classy-rounded' 'square' 'extra-rounded')|'square' |Style of QR dots

options.backgroundOptions structure

Property|Type |Default Value --------|------|------------- color |string|'#fff' gradient|object|

options.cornersSquareOptions structure

Property|Type |Default Value|Description --------|-----------------------------------------|-------------|----------------- color |string | |Color of Corners Square gradient|object | |Gradient of Corners Square type |string ('dot' 'square' 'extra-rounded')| |Style of Corners Square

options.cornersDotOptions structure

Property|Type |Default Value|Description --------|-------------------------|-------------|----------------- color |string | |Color of Corners Dot gradient|object | |Gradient of Corners Dot type |string ('dot' 'square')| |Style of Corners Dot

Gradient structure

options.dotsOptions.gradient

options.backgroundOptions.gradient

options.cornersSquareOptions.gradient

options.cornersDotOptions.gradient

Property |Type |Default Value|Description ----------|----------------------------|-------------|--------------------------------------------------------- type |string ('linear' 'radial')|"linear" |Type of gradient spread rotation |number |0 |Rotation of gradient in radians (Math.PI === 180 degrees) colorStops|array of objects | |Gradient colors. Example [{ offset: 0, color: 'blue' }, { offset: 1, color: 'red' }]

Gradient colorStops structure

options.dotsOptions.gradient.colorStops[]

options.backgroundOptions.gradient.colorStops[]

options.cornersSquareOptions.gradient.colorStops[]

options.cornersDotOptions.gradient.colorStops[]

Property|Type |Default Value|Description --------|----------------|-------------|----------------------------------- offset |number (0 - 1)| |Position of color in gradient range color |string | |Color of stop in gradient range

QRCodeStyling methods

QRCodeStyling.append(container) => void

Param |Type |Description ---------|-----------|----------- container|DOM element|This container will be used for appending of the QR code

QRCodeStyling.getRawData(extension) => Promise<Blob>

Param |Type |Default Value|Description ---------|------------------------------------|-------------|------------ extension|string ('png' 'jpeg' 'webp' 'svg')|'png' |Blob type

QRCodeStyling.update(options) => void

Param |Type |Description -------|------|-------------------------------------- options|object|The same options as for initialization

QRCodeStyling.download(downloadOptions) => Promise<void>

Param |Type |Description ---------------|------|------------ downloadOptions|object|Options with extension and name of file (not required)

downloadOptions structure

Property |Type |Default Value|Description ---------|------------------------------------|-------------|----------------------------------------------------- name |string |'qr' |Name of the downloaded file extension|string ('png' 'jpeg' 'webp' 'svg')|'png' |File extension