淘宝API-item_fee - 获得淘宝商品快递费用：
Result Object:
{
“item”: {
“num_iid”: “572050066584”,
“area_id”: “152501”,
“location”: “广东广州”,
“shipping_to”: “内蒙古锡林郭勒二连浩特市”,
“express_fee”: “6.00”,
“ems_fee”: “”,
“post_fee”: “”
},
“secache”: “319dbd907a856f5ed5c3993924f43146”,
“secache_time”: 1579309486,
“secache_date”: “2020-01-18 09:04:46”,
“cache”: 1,
“api_info”: “today:8 max:5000”,
“execution_time”: 0.11,
“server_time”: “Beijing/2020-01-19 10:23:40”,
“call_args”: {
“num_iid”: “572050066584”,
“area_id”: “152501”
},
“api_type”: “taobao”,
“translate_language”: “zh-CN”,
“translate_engine”: “google_cn”,
“server_memory”: “7.06MB”,
“request_id”: “.67824290.5e23bdac09c9b3.49062031”
}