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                # 清空待打印隊列 ~~~[api] post:/emptyprintqueue *string:deviceid#設備號 *string:devicesecret#設備秘鑰 <<< success errNun為0只表示接口成功收到了訂單,并不代表已經打印成功 { "errNum": 0, "errMsg": "success", "retData": {"status":"","row":""} } row為清空的打印隊列條數 status表示打印機的狀態 0:打印機掉線 1:打印機在線 2:打印機缺紙或裝紙不正確 當status等于0或者2時,表示設備狀態異常 <<< error { "errNum": 2, "retMsg": "提交超時", } { "errNum": 3, "retMsg": "打印機信息有誤", } ~~~
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