获取授权码 #01

      渠道商户交易前需先获取实际商户授权码，根据不同场景可选择使用二维码扫描方式或接口业务单号方式获取。

二维码扫描获取授权码 #02

接口返回 #03

      接口返回值统一使用String类型接收，再转为相应的值集类型进行后续处理。 数据类型JSONArray：

Demo #04

                             
@RequestMapping(value = "/createCharge", method = RequestMethod.POST,
                produces={"text/html;charset=UTF-8;","application/json;"})
@ResponseBody
public String createCharge(
  @RequestParam(value = "merchant_no", required = true) String merchant_no,
   @RequestParam(value = "dept") String dept,
    @RequestParam(value = "business_no") String business_no,
    HttpServletRequest request, HttpServletResponse response) {
    chargeMap.put("merchant_no", merchant_no);// 商户号
    chargeMap.put("dept", dept);
    chargeMap.put("business_no", business_no);
    chargeMap.put("back_url",ParamConstant.BACK_URL);
    String chargeString = "";
String privateKey = "";//私钥赋值
    try{
 // 发起 create创建charge请求(参数为构造的的chargeMap,传入的controller的service_url)
     chargeString = Charge.create(chargeMap, service_url ,privateKey);
     logger.info(chargeString);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return chargeString;
}