js根据银行卡号进行判断属于哪个银行并返回银行卡类型
1. checkCard.js//cardType:DC->储蓄卡,CC->信用卡export function bankCardAttribution(bankCard) { var cardTypeMap = { DC: "储蓄卡", CC: "信用卡", SCC: "准贷记卡", PC: "