{
"payment_id": "xxxx",
"trade_no": "xxxx"
}curl --location -g --request POST 'http://127.0.0.1/cgi-bin/school/get_trade?access_token={{accesstoken}}' \
--header 'Content-Type: application/json' \
--data-raw '{
"payment_id": "xxxx",
"trade_no": "xxxx"
}'{
"errcode": 0,
"transaction_id": "string",
"errmsg": "string",
"pay_time": 0
}