生成二维码规则: 二维码内容存放的是 text值
var pkPacking = $("#pkPacking").val();
$("#codePrint").qrcode({
width : 100, //宽度
height : 100, //高度
text : packingOrderNo
//任意内容
});
var canvas = $('#codePrint canvas');
var imgSrc = canvas[0].toDataURL("image/png");
$("#img" + i + "").attr("src", imgSrc);//二维码
用于存放二维码的div
<div id="codePrint" style="display: none;"></div>
用于显示二维码的div
<td colspan="1" style="text-align: center"><img class="imgCode" style="padding-top: 5px;"id="imgQr${statusPage.index}" src=""></td>
解决二维码中文乱码方法
//二维码乱码处理
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;
}