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  • Qrcode生成二维码

    <html>
    <head>
        <meta name="viewport" content="width=device-width" />
        <title>创建二维码</title>
        <script src="~/Content/uploadify/jquery-2.1.1.min.js"></script>
        <script src="~/Content/uploadify/jquery.qrcode.min.js"></script>
        <script>
            $(function() {
                //方法1
                //$('#code').qrcode("http://www.baidu.com"); //任意字符串 
                //方法2
                $("#code").qrcode({
                    render: "table", //table方式 || canvas方式
                     200, //宽度 
                    height: 200, //高度 
                    text: "http://www.baidu.com" //任意字符串 
                });
            });
     
            //有中文先编码
            function toUtf8(str) {
                var out, i, len, c;
                out = "";
                len = str.length;
                for (i = 0; i < len; i++) {
                    c = str.charCodeAt(i);
                    if ((c >= 0x0001) && (c <= 0x007F)) {
                        out += str.charAt(i);
                    } else if (c > 0x07FF) {
                        out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F));
                        out += String.fromCharCode(0x80 | ((c >> 6) & 0x3F));
                        out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F));
                    } else {
                        out += String.fromCharCode(0xC0 | ((c >> 6) & 0x1F));
                        out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F));
                    }
                }
                return out;
            }
     
        </script>
    </head>
    <body>
    <div id="code"></div> 
    </body>
    </html>
     
     
     
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  • 原文地址:https://www.cnblogs.com/mybkyzzj/p/5603858.html
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