用 HTML5 可以实现二维码扫描识别的功能吗?
2016-06-02 · 百度知道合伙人官方认证企业
HTML5 识别二维码需要调用git上的自动识别组件。
组件的组成:
调用方法:
在html5页面引入以下js:
<script type="text/javascript" src="grid.js"></script>
<script type="text/javascript" src="version.js"></script>
<script type="text/javascript" src="detector.js"></script>
<script type="text/javascript" src="formatinf.js"></script>
<script type="text/javascript" src="errorlevel.js"></script>
<script type="text/javascript" src="bitmat.js"></script>
<script type="text/javascript" src="datablock.js"></script>
<script type="text/javascript" src="bmparser.js"></script>
<script type="text/javascript" src="datamask.js"></script>
<script type="text/javascript" src="rsdecoder.js"></script>
<script type="text/javascript" src="gf256poly.js"></script>
<script type="text/javascript" src="gf256.js"></script>
<script type="text/javascript" src="decoder.js"></script>
<script type="text/javascript" src="qrcode.js"></script>
<script type="text/javascript" src="findpat.js"></script>
<script type="text/javascript" src="alignpat.js"></script>
<script type="text/javascript" src="databr.js"></script>
设置:
Set qrcode.callback to function "func(data)", where data will get the decoded information.
Decode image with: qrcode.decode(url or DataURL).
Decode from canvas with "qr-canvas" ID: qrcode.decode()