包括使用csv模組進行檔案讀寫，使用requests模組進行檔案傳送。
def pay_task_by_self(self):
global success_writer, fail_writer, cont
dir_path = os.path.dirname(__file__)
file_path = os.path.join(dir_path, 'test.csv')
fail_path = os.path.join(dir_path, 'fail_pay.csv')
success_path = os.path.join(dir_path, 'success_pay.csv')
with open(file_path, 'r') as f:
reader = csv.reader(f)
next(reader)
# 開啟檔案物件
fail_file = open(fail_path, 'w', newline='')
fail_flag = true
success_file = open(success_path, 'w', newline='')
success_flag = true
for row in reader:
# 提取檔案內的資訊
data = dict(mch_no=whale_bank_mch,)
# data['out_merchant_pay_no'] = row[0]
data['out_merchant_pay_no'] = str(uuid.uuid4()).replace('-', '')
data['card_no'] = row[1]
data['coin'] = row[2]
data['amount'] = row[3]
data['merchant_pay_desc'] = row[4]
user = assets.objects.filter(card_no=row[1]).first().user
# 請求支付介面
res = self._request(user=user, url=whale_bank_pay_url, data=data, method=requestresponsemethod.pay)
res['data'] = data
counter = 1
# 代付失敗
if res.get('result_code') != whalebankresultcode.ok:
print('fail-錯誤資訊：' + res['err_msg'])
cont = 'y'
# 支付失敗繼續支付，可設定失敗n次之後選擇是否繼續支付
while res.get('result_code') != whalebankresultcode.ok:
print('卡號：%s的第%s次代付失敗...正在重新支付...' % (data['card_no'], counter))
# 第一次寫入檔案失敗字段
if fail_flag:
fail_header = [k for k in res]
fail_writer = csv.dictwriter(fail_file, fieldnames=fail_header)
fail_writer.writeheader()
fail_flag = false
fail_writer.writerow(res)
# 支付失敗後重新請求
data.pop('sign')
res = self._request(user=user, url=whale_bank_pay_url, data=data, method=requestresponsemethod.pay)
res['data'] = data
time.sleep(1)
counter += 1
# 達到n次失敗後選擇是否繼續支付
if counter == 4:
cont = input('失敗已達%s次，是否繼續？(y/n)' % (counter-1))
if cont == 'y':
pass
else:
break
if cont == 'n':
print('%s取消支付!' % data['card_no'])
else:
print('%s支付成功!' % data['card_no'])
# 代付成功
else:
print('success\n支付成功！')
# 第一次寫入檔案成功字段
if success_flag:
success_header = [k for k in res]
success_writer = csv.dictwriter(success_file, fieldnames=success_header)
success_writer.writeheader()
success_flag = false
success_writer.writerow(res)
time.sleep(0.5)
yield res
# 關閉檔案物件
fail_file.close()
success_file.close()
print('批量代付完成！')
注意：open開啟乙個檔案之後，使用read()方法會讀取出物件中的資訊，再次使用read()讀取會返回空的字串。執行結果：
success
支付成功！
>>>>>>>>>>>>>>>>>>>>>>>>>
success
支付成功！
>>>>>>>>>>>>>>>>>>>>>>>>>
success
支付成功！
>>>>>>>>>>>>>>>>>>>>>>>>>
fail-錯誤資訊：使用者卡號錯誤
卡號：1000000000483907的第1次代付失敗...正在重新支付...
卡號：1000000000483907的第2次代付失敗...正在重新支付...
卡號：1000000000483907的第3次代付失敗...正在重新支付...
失敗已達3次，是否繼續？(y/n)n
1000000000483907取消支付!
>>>>>>>>>>>>>>>>>>>>>>>>>
批量代付完成！
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