根据银行卡号获取开户行和银行LOGO

根据银行卡获取开户行

https://ccdcapi.alipay.com/validateAndCacheCardInfo.json?_input_charset=utf-8&cardNo=银行卡卡号&cardBinCheck=true

请求此url会返回下面的数据，bank指的是开户行
{"bank":"CMB","validated":true,"cardType":"DC","key":"6226090000000048","messages":[],"stat":"ok"}

获取银行logo

https://apimg.alipay.com/combo.png?d=cashier&t=CMB

CMB是只银行代码，也就是上面获取到的bank