原生js生成二维码
方式一:
document.getElementById('componentQRcode').src = "https://api.qrserver.com/v1/create-qr-code?data=" + ”需要生成的内容“
方式二:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="https://code.jquery.com/jquery-3.0.0.min.js"></script>
<script src="./qrcode.js"></script>
</head>
<body>
<input id="text" type="text" value="13020200000000ls" /><br />
<div id="qrcode"></div>
</body>
<style>
#qrcode {
width:160px;
height:160px;
margin-top:15px;
}
</style>
<script>
var qrcode = new QRCode("qrcode");
function makeCode () {
var elText = document.getElementById("text");
if (!elText.value) {
alert("Input a text");
elText.focus();
return;
}
qrcode.makeCode("13020200000000ls");
}
makeCode();
$("#text").
on("blur", function () {
makeCode();
}).
on("keydown", function (e) {
if (e.keyCode == 13) {
makeCode();
}
});
</script>
</html>
qs文件,在网盘

浙公网安备 33010602011771号