查询打印机的状态

|参数 |类型 |说明 | |sn |字符串 |打印机编号 |key |字符串 |打印密钥

调用方式:HTTP POST

URL:http://xxx.xxx.xxx.xxx:80/XXX/queryPrinterStatusAction

返回结果:JSON字符串

----------服务器返回的结果有如下几种:----------

{"responseCode":0,"msg":"离线"}
{"responseCode":0,"msg":"在线,工作状态正常"}
{"responseCode":0,"msg":"在线,工作状态不正常"}
{"responseCode":1,"msg":"请求参数错误"}

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