根据阿里云判断银行卡号并且替换其背景图片

$.ajax({
type: "post",
url:"https://ccdcapi.alipay.com/validateAndCacheCardInfo.json?cardNo="+bank_no+"&cardBinCheck=true",
data: {
jsonStr:jsonStr,
token:token
},
datatype: "json",
success: function (data) {
$.cookie("data_bank",data.bank);
console.log(data.bank);
$(".shop-backstage-my-set-wallet-apply-bank").css({'background-image':'url("https://jujiewang.oss-cn-hangzhou.aliyuncs.com/Uploads/Jujiewang/Bank/'+data.bank+'.png")'});
}
});