<html>
<head>
<title>QRCODE</title>
<style type="text/css">
</style>
<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>
<script type="text/javascript">
var gCtx = null;
var gCanvas = null;
var imageData = null;
var ii=0;
var jj=0;
var c=0;
function dragenter(e) {
e.stopPropagation();
e.preventDefault();
}
function dragover(e) {
e.stopPropagation();
e.preventDefault();
}
function drop(e) {
e.stopPropagation();
e.preventDefault();
var dt = e.dataTransfer;
var files = dt.files;
handleFiles(files);
}
function handleFiles(f)
{
var o=[];
for(var i =0;i<f.length;i++)
{
var reader = new FileReader();
reader.onload = (function(theFile) {
return function(e) {
qrcode.decode(e.target.result);
};
})(f[i]);
// Read in the image file as a data URL.
reader.readAsDataURL(f[i]); }
}
function read(a)
{
alert(a);
}
function load()
{
initCanvas(640,480);
qrcode.callback = read;
qrcode.decode("meqrthumb.png");
}
function initCanvas(ww,hh)
{
gCanvas = document.getElementById("qr-canvas");
gCanvas.addEventListener("dragenter", dragenter, false);
gCanvas.addEventListener("dragover", dragover, false);
gCanvas.addEventListener("drop", drop, false);
var w = ww;
var h = hh;
gCanvas.style.width = w + "px";
gCanvas.style.height = h + "px";
gCanvas.width = w;
gCanvas.height = h;
gCtx = gCanvas.getContext("2d");
gCtx.clearRect(0, 0, w, h);
imageData = gCtx.getImageData( 0,0,320,240);
}
function passLine(stringPixels) {
//a = (intVal >> 24) & 0xff;
var coll = stringPixels.split("-");
for(var i=0;i<320;i++) {
var intVal = parseInt(coll[i]);
r = (intVal >> 16) & 0xff;
g = (intVal >> 8) & 0xff;
b = (intVal ) & 0xff;
imageData.data[c+0]=r;
imageData.data[c+1]=g;
imageData.data[c+2]=b;
imageData.data[c+3]=255;
c+=4;
}
if(c>=320*240*4) {
c=0;
gCtx.putImageData(imageData, 0,0);
}
}
function captureToCanvas() {
flash = document.getElementById("embedflash");
flash.ccCapture();
qrcode.decode();
}
</script>
</head>
<body onload="load()">
<div class="container">
<object id="iembedflash" classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0" width="320" height="240">
<param name="movie" value="camcanvas.swf" />
<param name="quality" value="high" />
<param name="allowScriptAccess" value="always" />
<embed allowScriptAccess="always" id="embedflash" src="camcanvas.swf" quality="high" width="320" height="240" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" mayscript="true" />
</object>
</div>
<button onclick="captureToCanvas()">Capture</button><br>
<canvas id="qr-canvas" width="640" height="480"></canvas>
</body>
</html>
H5调用手机相机识别二维码
1星 需积分: 37 118 浏览量
2017-07-23
21:59:21
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评论 2
收藏 43KB ZIP 举报 
jsqrcode-master.zip （20个子文件） 
jsqrcode-master 
COPYING 11KB src datamask.js 4KB alignpat.js 7KB datablock.js 3KB decoder.js 3KB formatinf.js 4KB bmparser.js 6KB detector.js 13KB qrcode.js 13KB bitmat.js 3KB errorlevel.js 1KB findpat.js 18KB grid.js 5KB rsdecoder.js 5KB gf256.js 3KB version.js 15KB databr.js 9KB gf256poly.js 6KB
test.html 4KB README 2KB资源评论
BigRed2020-11-09非常差~~~~
qq_160861912017-07-26运行不起来，failed to load the image- banzezui89152017-10-18假的假的~~~~骗我积分
