js生成二维码跟条形码-蒲公英云

js生成二维码跟条形码

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>生成二维码</title>
    <script src="js/JsBarcode.all.js"></script>
    <script src="js/qrcode.js"></script>
    <script>
        Number.prototype.zeroPadding = function () {
            var ret = "" + this.valueOf();
            return ret.length == 1 ? "0" + ret : ret;
        };
    </script>
</head>
<body>
    <!-- 条形码 -->
    <div>
        <img id="barcode5" style="margin-bottom: 50px;"/>
        <script>
            var repeat5 = function () {
                JsBarcode("#barcode5", "123456789", { displayValue: true, fontSize: 20 });
            };
            repeat5();
        </script>
    </div>
    <!-- 二维码 -->
    <input id="text" type="text" value="http://jindo.dev.naver.com/collie" style="width:80%" /><br />
    <div id="qrcode1" style="width:100px; height:100px; margin-top:15px;"></div>
    <script src="jquery-1.12.4.min.js"></script>
    <script>
        var qrcode = new QRCode(document.getElementById("qrcode1"), {
            width: 100,
            height: 100
        });
        function makeCode() {
            var elText = document.getElementById("text");
            if (!elText.value) {
                alert("Input a text");
                elText.focus();
                return;
            }
            qrcode.makeCode(elText.value);
        }
        makeCode();
        $("#text").on("blur", function () {
            makeCode();
        }).on("keydown", function (e) {
            if (e.keyCode == 13) {
                makeCode();
            }
        });
    </script>
</body>
</html>