基于jquery二维码生成插件qrcode

<script type="text/javascript" src="jquery.js"></script><script type="text/javascript" src="jquery.qrcode.min.js"></script>

<div class="modal-body" id="qrCode" style="left:40px">  </div>

var str = "http://" + location.host + "/ActivityDetail.html?id=" + row.ActivityGuid + "&isMail=" + row.isMail + "";$("#qrCode").empty(); $('#qrCode').qrcode(str); //$('#qrCode').qrcode("//www.VeVB.COm");//任意字符串

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;  }

var str = toUtf8("2017鸡年大吉！");$('#qrCode').qrcode(str);