调用https://api.weixin.qq.com/wxa/getwxacode?access_token=
接口获取返回的结果集
{
    "body":"破损的二维码图片二进制内容",
"headers": {
        "Connection": [
            "keep-alive"
        ],
        "Date": [
            "Wed, 15 May 2024 05:53:22 GMT"
        ],
        "Content-Type": [
            "application/json; encoding=utf-8"
        ],
        "RetKey": [
            "11"
        ],
        "LogicRet": [
            "61004"
        ],
        "Content-Length": [
            "119"
        ]
    },
    "statusCode": "OK",
    "statusCodeValue": 200
}