{"payment_id":"xxxx","trade_no":"xxxx"}curl --location -g --request POST '/cgi-bin/school/get_trade?access_token={{accesstoken}}' \
--header 'Content-Type: application/json' \
--data-raw '{"payment_id":"xxxx","trade_no":"xxxx"}'{
"errcode": 0,
"errmsg": "ok",
"transaction_id": "xxxxx",
"pay_time": 12345
}