3. 下载包

功能描述:

​ 下载压缩包。

参数描述(JSON格式):

MQ命令示例:

{
    "method": "download_package", // 此关键字和内容不能变
    "download_package_info":{  // 下载包对应信息
         "package_name":"ota.tar",
         "package_download_link":"http://xxxxx/xxx",
         "package_size":0.34,          //单位为M
         "package_md5":"8b1085bed498b82ef1485ef19074c281",
         "package_message":"更新了部分在线升级功能",
 },
  
    "extend_params":   // 扩展字段,当前为空。用于将来的接口升级。扩展字段的内容以字典的形式填充,但扩展字段本身为必选。
   { 
   }  
}

返回结果示例:

{
    "success":true,
    "code":0,
    "message":"下载成功",
    "dev_sno":"sda23erasd" ,//设备唯一标识key
    "messageKey":"download_package", //每一类消息格式的key
    "result":{
         "download_package_info":{  
                "package_name":"ota.tar",
                "package_download_link":"http://xxxxx/xxx",
                "package_size":0.34,
                "package_md5":"8b1085bed498b82ef1485ef19074c281",
                "package_message":"更新了部分在线升级功能",
			    "package_download_path":"/data/download/ota.tar"    //下载包下载路径
               }
	}
}

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