python3.x - python连oanda的模拟交易api获取json问题第六问-PHP中文网问答

我在第3问中通过大家的帮助解决了下单的问题，但是在今天进行对历史数据测试时，发现了一个奇怪的事情。我要对6种货币对进行操作（GBP_USD、EUR_USD、USD_CAD和USD_CHF、USD_JPY、AUD_USD），想让GBP_USD、EUR_USD、USD_CAD在下买单时买，让USD_CHF、USD_JPY、AUD_USD在下买单时卖，开始几次交易没有问题，但在尝试过一次在下买单时卖后，GBP_USD、EUR_USD、USD_CAD也变成了在下买单时卖，程序如下：

import requests def trade(action,pairs,unit="1"): account_id = '101-011-5898545-001' access_token = '33c7d4049fe8720c37918482bc830c12-06467701c963e60220d7e18436f3225d' url = 'https://api-fxpractice.oanda.com/v3/accounts/'+account_id+'/orders' headers = {'Content-Type' : 'application/json','Authorization':'Bearer '+access_token} if pairs == "GBP_USD" or "EUR_USD" or "AUD_USD" : if action == "buy" : data = {"order":{"instrument":pairs,"type":"MARKET","units":unit}} if action == "sell" : data = {"order":{"instrument":pairs,"type":"MARKET","units":"-"+unit}} if pairs == "USD_CHF" or "USD_JPY" or "USD_CAD" : if action == "buy" : data = {"order":{"instrument":pairs,"type":"MARKET","units":"-"+unit}} if action == "sell" : data = {"order":{"instrument":pairs,"type":"MARKET","units":unit}} req = requests.post(url,json=data,headers=headers) #print(req.text) if __name__=='__main__' : trade("buy","GBP_USD","3")

交易情况请在https://trade.oanda.com/查看，用户名：cawa11，密码：1122334455，谢谢

if pairs == "GBP_USD" or "EUR_USD" or "AUD_USD" 应该改成 if pairs == "GBP_USD" or pairs == "EUR_USD" or pairs == "AUD_USD" 但我更推荐你这样写 if pairs in ["GBP_USD", "EUR_USD", "AUD_USD"]

# coding: utf-8 import requests def trade(pairs, unit=1): account_id = '101-011-5898545-001' access_token = '33c7d4049fe8720c37918482bc830c12-06467701c963e60220d7e18436f3225d' url = 'https://api-fxpractice.oanda.com/v3/accounts/'+account_id+'/orders' headers = {'Content-Type' : 'application/json','Authorization':'Bearer '+access_token} #你逻辑里只提到当货币为["USD_CHF", "USD_JPY", "USD_CAD"]时,只要是买单就要变成卖单 if pairs in ["USD_CHF", "USD_JPY", "USD_CAD"] and unit > 0: unit *= -1 data = {"order":{"instrument":pairs,"type":"MARKET","units":unit}} req = requests.post(url,json=data,headers=headers) #print(req.text) if __name__=='__main__' : trade("GBP_USD", 1) #买 trade("GBP_USD", -1) #卖