{
"MethodName": "graspcm.cmapi.getsignstr",
"AppKey": "48B15C891B5247A591B4914A37E5ABCD",
"InvalidTime": "2025-12-09 10:53:30",
"RandamStr": "u4ETQUW6gm",
"SignStr": "td2qx17IKunbXBJVHftTZo3yYDsL3QyH"
}curl --location 'http://api.cmgrasp.com/CMGraspApi/GateWay' \
--header 'Content-Type: application/json' \
--data '{
"MethodName": "graspcm.cmapi.getsignstr",
"AppKey": "48B15C891B5247A591B4914A37E5ABCD",
"InvalidTime": "2025-12-09 10:53:30",
"RandamStr": "u4ETQUW6gm",
"SignStr": "td2qx17IKunbXBJVHftTZo3yYDsL3QyH"
}'{
"InvalidTime":"2020-03-09 10:08:41",
"RandamStr":"1XvUZ432CJz31",
"SignKey":"cmgmsignkeyappkey@#986",
"SignStr":"9832D8D2F75E43327DE6AF9917E2D8F9"
}SignKey即为业务接口计算sign需要的参数。{
"RetCode": 0,
"RetMsg": "{\"InvalidTime\":\"2020-03-09 10:08:41\",\"RandamStr\":\"1XvUZ432CJz31\",\"SignKey\":\"cmgmsignkeyappkey@#986\",\"SignStr\":\"9832D8D2F75E43327DE6AF9917E2D8F9\"}",
"OtherMsg": ""
}