ant-design/components/qrcode/index.zh-CN.md
lijianan 240210a281
feat: New Component QRCode (#38948)
* feat: qrcode

* chore: code clean

* feat: New Component Qr-Code (#38891)

* feat: QrCode

* fix

* fix

* fix: fix bug

* fix: fix bug

* fix

* fix

* fix

* delete

* delete

* test case

* fix lint

* bundlesize

* demo

* fix: fix test

* remove dep

* update snap

* en docs

* refactor: rename tests dir

* Update components/qr-code/demo/base.md

Co-authored-by: MadCcc <1075746765@qq.com>

* Update components/qr-code/demo/base.md

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* Update components/qr-code/demo/download.md

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* Update components/qr-code/demo/download.md

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* Update components/qr-code/demo/download.tsx

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* Update components/qr-code/demo/logo.md

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* Update components/qr-code/index.tsx

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* Update components/qr-code/style/index.ts

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* Update components/qr-code/style/index.ts

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* Update components/qr-code/demo/logo.md

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* rename

* fix

* adjust text

* rename

* fix title

* rename

* rename

* fix: snap

* fix

* bundlesize

* update demo

* update docs

* add demo

* add docs

* add docs

* test: add warning

* update demo

* bundlesize

* update test case

* update demo

* feat: add onRefresh、add status

* fix: fix demo

* fix: fix demo

* add locale

* add locale

* add test case

* update snap

* fix demo

* update demo

* update demo

* update demo

* Update components/qrcode/style/index.ts

Co-authored-by: MadCcc <1075746765@qq.com>

* Update components/qrcode/style/index.ts

Co-authored-by: MadCcc <1075746765@qq.com>

* Update components/qrcode/style/index.ts

Co-authored-by: MadCcc <1075746765@qq.com>

* Update components/qrcode/style/index.ts

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* Update components/qrcode/style/index.ts

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* Update components/qrcode/interface.ts

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* Update components/qrcode/style/index.ts

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* fix

* Update components/qrcode/index.tsx

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* fix

* fix

* fix

* add decs

* fix

* fix

* fix type

* fix

* fix demo

* fix lint

* fix lint

* add test case for bordered

* prettier-ignore

Co-authored-by: MadCcc <1075746765@qq.com>
Co-authored-by: 栗嘉男 <lijianan@lijianandeMacBook-Pro.local>
2022-12-05 14:15:26 +08:00

2.6 KiB

category subtitle title cover demo group
Components 二维码 QRCode https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*cJopQrf0ncwAAAAAAAAAAAAADrJ8AQ/original
cols
2
title order
数据展示 5

能够将链接转换生成二维码的组件,支持自定义配色和 Logo 配置,自 antd@5.1.0 版本开始提供该组件。

何时使用

当需要将链接转换成为二维码时使用。

代码演示

基本使用 带 Icon 的例子 不同的状态 自定义尺寸 自定义颜色 下载二维码 纠错比例 高级用法

API

antd@5.1.0 版本开始提供该组件。

参数 说明 类型 默认值
value 扫描后的地址 string -
icon 二维码中图片的地址(目前只支持图片地址) string -
size 二维码大小 number 160
iconSize 二维码中图片的大小 number 40
color 二维码颜色 string #000
bordered 是否有边框 boolean true
errorLevel 二维码纠错等级 'L' | 'M' | 'Q' | 'H' M
status 二维码状态 active | expired | loading active
onRefresh 点击"点击刷新"的回调 () => void -

FAQ

关于二维码纠错等级

纠错等级也叫纠错率,就是指二维码可以被遮挡后还能正常扫描,而这个能被遮挡的最大面积就是纠错率。

通常情况下二维码分为 4 个纠错级别:L级 可纠正约 7% 错误、M级 可纠正约 15% 错误、Q级 可纠正约 25% 错误、H级 可纠正约30% 错误。并不是所有位置都可以缺损,像最明显的三个角上的方框,直接影响初始定位。中间零散的部分是内容编码,可以容忍缺损。当二维码的内容编码携带信息比较少的时候,也就是链接比较短的时候,设置不同的纠错等级,生成的图片不会发生变化。

有关更多信息,可参阅相关资料:https://www.qrcode.com/zh/about/error_correction