请求接口：https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=43_oF39KG9p_L13x9EA8fqAYtj9PFtww8HcB5u2XvOcL_FQKsQ1SSx_ZsPYZEEX8D0_RwRTcl79FkanOg5-KK-plocevn0aojmZ4KPbFYIHjyg0NHFvVVj0I2IDne8Qr91OoM5nZaP0S_Iug-JVNLCcACARPG,

参数：{"path":"pages/signIn/main","width":"180","scene":"?4&005566000001"}

返回的数据是（没有二维码数据返回）如下：

  "entity":{

        "chunked":false,

        "content":{

        },

        "contentLength":118,

        "contentType":{

            "$ref":"$.allHeaders[2]"

        },

        "repeatable":false,

        "streaming":true

    },

    "locale":"zh_CN",

    "params":{

        "names":[

        ]

    },

    "protocolVersion":{

        "major":1,

        "minor":1,

        "protocol":"HTTP"

    },

    "statusLine":{

        "protocolVersion":{

            "$ref":"$.protocolVersion"

        },

        "reasonPhrase":"OK",

        "statusCode":200

    }