"@type": "WebPage",
实操策略三：权威性与可验证信息整合
height : 180
var qrcode = new QRCode(document.getElementById("qrcodearea"), {
background: #f6f7f9;
body {margin-left: 0px;margin-top: 0px;margin-right: 0px;margin-bottom: 0px;max-width:640px;margin:0 auto;}
中国有约
error code: 1000