创建代收订单接口调用示例（JAVA）：
~~~
Map<String, Object> map = new HashMap<>();
map.put("mchNo", paymentChannelSplit.getMerchantId());//商户ID
map.put("appId", paymentChannelSplit.getMerchantPwd());//appId
map.put("mchOrderNo",paymentCollect.getMsgId());
map.put("amount",paymentCollect.getAmount());
map.put("currency",paymentCollect.getChannelCurrency());
map.put("email","default@gmail.com");
map.put("subject","bills of "+paymentCollect.getUserName());
map.put("userName",paymentCollect.getUserName());
map.put("returnUrl",applicationProperites.getOopayCallbackUrl());
map.put("body","bills of "+paymentCollect.getUserName());
map.put("phone",paymentCollect.getPhone());
map.put("sign",OopaySignUtil.getSign(map,paymentChannelSplit.getPrivateKey()));
logger.info("[oopay]支付创建订单，请求参数，busiCode=[{}],request_body=[{}]",paymentCollect.getBusiCode(),JSONUtil.toJsonStr(map));
OopayPaymentResponse response = oopayApi.oopayReq(OopayPaymentResponse.class,map,"/api/pay/unifiedOrder");
logger.info("[oopay]支付创建订单，响应结果，busiCode=[{}],response_body=[{}]",paymentCollect.getBusiCode(),JSONUtil.toJsonStr(response));
if(null!=response){
if(response.getCode() == 2000){
OopayPaymentData data = response.getData();
PaymentCollectExtJson extJson = new PaymentCollectExtJson();
extJson.setChannelPaymentLink(data.getPayData());
extJson.setEmail(phonePayRequest.getEmail());
paymentCollect.setExtendJson(JSONUtil.toJsonStr(extJson));
paymentCollect.setChannelOrderId(data.getPayOrderId());
}else{
paymentCollect.setStatus(FAIL.value);
paymentCollect.setBizRespCode(response.getCode().toString());
paymentCollect.setBizRespMsg(response.getMsg());
}
}
~~~
~~~
public <T> T oopayReq(Class<T> clazz, Map<String, Object> params, String endpoint) throws IOException {
String url = applicationProperites.getOopayUrl() + endpoint;
HttpClient httpClient = new DefaultHttpClient();
HttpPost post = new HttpPost(url);
// 构造消息头
post.setHeader("Content-type", "application/json; charset=utf-8");
// 构建消息实体
StringEntity entity = new StringEntity(JSONUtil.toJsonStr(params), Charset.forName("UTF-8"));
entity.setContentEncoding("UTF-8");
// 发送Json格式的数据请求
entity.setContentType("application/json");
post.setEntity(entity);
HttpResponse response = httpClient.execute(post);
org.apache.http.HttpEntity responseEntity = response.getEntity();
String result = EntityUtils.toString(responseEntity,"UTF-8").trim();
logger.info("Oopay response data:{}",result);
return JSONUtil.toBean(result, clazz);
}
~~~
