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 }