js代码
base64.push(c.toDataURL());
$('#imgBox').html('<img src="' + base64[0] + '">') $('#downloadPic').attr('href', base64[0]) 生成二维码var qrcode = new QRCode("qrcode");
function makeCode() {
var ewmSrc = 'https://www.jq22.com'
qrcode.makeCode(ewmSrc);
setTimeout(function() {
var ewmSrc = $('#qrcode').find('img').attr('src')
}, 100)
}
makeCode();