获取银联支付码
##### 简要描述
- 获取银联支付吗
##### 请求URL
- `paycode`
##### 请求方式
- POST
##### 请求参数
|参数名|必选|类型|说明|
|:---- |:---|:----- |----- |
|bankid|是 |int|银行卡id|
|refresh|否 |int|1刷新|
|paypwd|否 |string|支付密码 refresh等于1必填 |
##### 返回示例
```
{
"emvQrCode": "hQVDUFYwMWFTTwigAAADMwEBAVcOYhYmEAAAAAJIXVASIB9jM4ICAACfEBEHAQEDoAAAAQg0OTk5NTM3Np8mCFZxafMcHbBWnycBgJ82Aho0nzcEIRBz2F80AQE=",
"issCode": "49995376",
"qrNo": "6228876252499783766",
"qrValidTime": "150",
"version": "1.0.0",
"reqType": "0210000903",
"certId": "69678957876",
"signature": "e7TuFhLwvkaygZgEJBRLalhuhS8SeK5tfZHCCktIfmmhlsK49CBZMuGDdJ97OEiz6vDMIL sGxjfAMdIHj3MPdKl7EyE5qw5oG16kIydKVB6sWLBC0Hb0QNAQ7AtQbHGm9gqu73P9LC7/THGWyFBRg6IuEMfdhdyhdZFzccBKBzhPhKr58OvalVzX9 VZw6qKnLPq7xaBZ9NIeN0ZlbWnfbp63NRqFufb ue9jClc2kpWXeyy7Z 4m8sANXk7 yuSpHhIfJHbMb2F2DfnKgJxKi3LLYHBQ793sxxiGHs8g1khftfHF8vtJpR4t9c3/buCOi D i4h8Vzk1P YpAcLA==",
"resp_code": "00",
"resp_msg": "成功[0000000]"
}
```
##### 返回参数说明
|参数名|类型|说明|
|:----- |:-----|-----|
|resp_code|string|请求操作相应码。00 成功，其他错误码均为失败|
|resp_msg|string|返回消息|
|emvQrCode|string|EMV 二维码|
|qrNo|string|申码订单号|
|qrValidTime|string|有效期（秒）|