## 簽名驗證工具
請求地址:`http://api.zhongwuyun.com`
~~~[api]
post:/sign
*string:deviceid#設備號
*string:devicesecret#設備秘鑰
*string:printdata#打印內容
<<<
success
{
"errNum": 0,
"retMsg": "success",
}
<<<
error
{
"errNum": 2,
"retMsg": "驗證簽名失敗",
}
~~~
>> 簽名算法見目錄