신용카드 결제를 위한 WeChat 공개 계정 개발에 대한 예제 튜토리얼 공유

public void micropay(){
  String url="https://api.mch.weixin.qq.com/pay/micropay";

  String total_fee="1";
  //授权码
  String auth_code = getPara("auth_code");

  Map<String, String> params = new HashMap<String, String>();
  params.put("appid", appid);
  params.put("mch_id", partner);
  params.put("device_info", "javen205");//终端设备号
  params.put("nonce_str", System.currentTimeMillis() / 1000 + "");
  params.put("body", "刷卡支付测试");
//  params.put("detail", "json字符串");//非必须
  params.put("attach", "javen205");//附加参数非必须
  String out_trade_no=System.currentTimeMillis()+"";
  params.put("out_trade_no", out_trade_no);
  params.put("total_fee", total_fee);

  String ip = IpKit.getRealIp(getRequest());
  if (StrKit.isBlank(ip)) {
   ip = "127.0.0.1";
  }

  params.put("spbill_create_ip", ip);
  params.put("auth_code", auth_code);

  String sign = PaymentKit.createSign(params, paternerKey);
  params.put("sign", sign);

  String xmlResult = HttpUtils.post(url, PaymentKit.toXml(params));
  //同步返回结果
  System.out.println("xmlResult:"+xmlResult);

  Map<String, String> result = PaymentKit.xmlToMap(xmlResult);
  String return_code = result.get("return_code");
  if (StrKit.isBlank(return_code) || !"SUCCESS".equals(return_code)) {
   //通讯失败 
   String err_code = result.get("err_code");
   //用户支付中，需要输入密码
   if (err_code.equals("USERPAYING")) {
    //等待5秒后调用【查询订单API】https://pay.weixin.qq.com/wiki/doc/api/micropay.php?chapter=9_2

   }
   renderText("通讯失败>>"+xmlResult);
   return;
  }

  String result_code = result.get("result_code");
  if (StrKit.isBlank(result_code) || !"SUCCESS".equals(result_code)) {
   //支付失败
   renderText("支付失败>>"+xmlResult);
   return;
  }

  //支付成功 

  renderText(xmlResult);
 }

<xml><return_code><![CDATA[SUCCESS]]></return_code>
<return_msg><![CDATA[OK]]></return_msg>
<appid><![CDATA[您公众号的appid]]></appid>
<mch_id><![CDATA[您微信商户号]]></mch_id>
<device_info><![CDATA[javen205]]></device_info>
<nonce_str><![CDATA[eXgczazQq54pqcyH]]></nonce_str>
<sign><![CDATA[FF03DA0E58845CCE1FCC2166EC03FBE5]]></sign>
<result_code><![CDATA[FAIL]]></result_code>
<err_code><![CDATA[AUTH_CODE_INVALID]]></err_code>
<err_code_des><![CDATA[请扫描微信支付被扫条码/二维码]]></err_code_des>
</xml>

<xml><return_code><![CDATA[SUCCESS]]></return_code>
<return_msg><![CDATA[OK]]></return_msg>
<appid><![CDATA[您公众号的appid]]></appid>
<mch_id><![CDATA[您微信商户号]]></mch_id>
<device_info><![CDATA[javen205]]></device_info>
<nonce_str><![CDATA[Z9p14VPJ822ZTPXP]]></nonce_str>
<sign><![CDATA[03BD421A33A5079A1BE6030E2EBA8291]]></sign>
<result_code><![CDATA[SUCCESS]]></result_code>
<openid><![CDATA[o_pncsidC-pRRfCP4zj98h6slREw]]></openid>
<is_subscribe><![CDATA[Y]]></is_subscribe>
<trade_type><![CDATA[MICROPAY]]></trade_type>
<bank_type><![CDATA[CFT]]></bank_type>
<total_fee>1</total_fee>
<fee_type><![CDATA[CNY]]></fee_type>
<transaction_id><![CDATA[4009682001201610156761057959]]></transaction_id>
<out_trade_no><![CDATA[1476523316727]]></out_trade_no>
<attach><![CDATA[javen205]]></attach>
<time_end><![CDATA[20161015172058]]></time_end>
<cash_fee>1</cash_fee>
</xml>