测试地址：https://gw.api.tbsandbox.com/router/rest
测试app_key: 1021035674
测试app_secret: sandbox68cb8f35e1d06f8154c1551de
淘宝卖家昵称: sandbox_cilai_c
淘宝正常调用返回：
{
"user_seller_get_response": {
"user": {
"nick": "sandbox_cilai_c",
"sex": "m",
"user_id": 182558410
},
"request_id": "15a0235qylz0x"
}
}
淘宝异常调用返回：
{
"error_response": {
"code": 40,
"msg": "Missing required arguments:nick",
"request_id": "15a02364kd8zi"
}
}