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33 lines
794 B
JavaScript
33 lines
794 B
JavaScript
var qrcodeDecode = require('../browser')
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document.getElementById('file').onchange = function (event) {
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var el = event.target;
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if (!el.files.length) return;
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var file = el.files[0];
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new Promise(function (ok, no) {
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if (window.URL && window.URL.createObjectURL) {
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ok(window.URL.createObjectURL(file));
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} else if (typeof FileReader) {
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var reader = new FileReader();
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reader.onload = evt => {
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ok(evt.target.result);
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};
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reader.readAsDataURL(file);
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} else {
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no('浏览器不支持');
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}
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}).then((src) => {
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qrcodeDecode.decodeByUrl(src, function (err, txt) {
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var msg = document.createElement("div")
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if (err) {
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console.log(err);
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msg.innerHTML = "err: <br>" + err;
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} else {
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msg.innerHTML = txt;
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}
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document.body.appendChild(msg);
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})
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});
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}
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