129 lines
3.9 KiB
HTML
129 lines
3.9 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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<!-- 引入资源 -->
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<script src="./js/jquery.min.js"></script>
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<script src="./js/qrcode.min.js"></script>
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<style>
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#app {
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background-color: salmon;
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width: 220px;
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height: 220px;
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box-sizing: border-box;
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padding: 10px;
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/* position: absolute;
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bottom: 363px;
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left: 184px; */
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}
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#qrcode {
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width: 345px;
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height: 345px;
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}
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.bodyCode {
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width: 750px;
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position: relative;
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}
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.bodyCode img {
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width: 100%;
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}
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</style>
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</head>
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<body>
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<!-- <div class="bodyCode">
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<div id="app">
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<div id="qrcode"></div>
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</div>
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<img src="./beijin.jpg" alt="">
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</div> -->
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<input id="text" type="text" value="wxp://f2f0dTmFHoy4ykvPLTAxFWC2Vu7bsLaQenhn8LEH590zZX0"
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style="width:80%" /><br />
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<!-- 画二维码的盒子 -->
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<div id="app">
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<div id="qrcode"></div>
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<img id="logo"
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src="https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fa.zdmimg.com%2F201604%2F22%2F57197db54326d2842.png_a200.jpg&refer=http%3A%2F%2Fa.zdmimg.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=jpeg?sec=1644069953&t=b7f77fa0903dd6245db2dcd30bdffcaa"
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style="display: none;">
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</div>
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<script type="text/javascript">
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var _url = document.querySelector("#text").value;
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var qrWidth = 200;
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var qrHeight = 200;
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var logoQrWidth = qrWidth / 4;
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var logoQrHeight = qrHeight / 4;
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var qrcode = new QRCode($("#qrcode")[0], {
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render: "canvas",
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ecLevel: 'H',//识别度
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text: _url,
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width: qrWidth, //二维码的宽度
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height: qrHeight, //二维码的高度
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colorDark: "#FA8072",
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colorLight: "#ffffff",
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typeNumber: -1,//计算模式
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correctLevel: 2,//二维码纠错级别
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});
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// 画二维码 的配置
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// var qrcode = new QRCode(document.getElementById("qrcode"), {
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// text: "wxp://f2f0dTmFHoy4ykvPLTAxFWC2Vu7bsLaQenhn8LEH590zZX0",
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// width: 385,
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// height: 385,
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// colorDark: "#000000", // 二维码的颜色
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// colorLight: "#ffffff", // 二维码的反色
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// correctLevel: QRCode.CorrectLevel.H,
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// typeNumber: -1,//计算模式
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// correctLevel: 2,//二维码纠错级别
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// });
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// console.dir(QRCode);
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// 获取input内容 并生成二维码
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// 你要再画
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// qrcode.clear(); // 清除代码
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// qrcode.makeCode("http://www.w3cschool.cc"); // 生成另外一个二维码
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// 实现更改 input内容 就实时跟新二维码
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let text = document.querySelector("#text");
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text.oninput = function () {
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this.value
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qrcode.clear(); // 清除代码
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qrcode.makeCode(this.value); // 生成另外一个二维码
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}
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//二维码与logo图绘制为canvas
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$("#qrcode canvas")[0].getContext('2d').drawImage($("#logo")[0], (qrWidth - logoQrWidth) / 2, (qrHeight - logoQrHeight) / 2, logoQrWidth, logoQrHeight);
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var cover_canvas = document.getElementsByTagName('canvas')[0];
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// var img = converCanvasToImage(cover_canvas);
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// //图片放入容器
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// $('.transit_qrcode').append(img);
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// // canvas转Image
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// function converCanvasToImage(canvas) {
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// var image = new Image();
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// image.src = canvas.toDataURL("image/png");
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// return image;
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// }
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</script>
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</body>
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</html> |