微信 wxPaymentPackage 支付信息封装

/**

* 微信支付信息封装。java版

* 

* @return

* @throws IOException

* @throws QQConnectException

*/

@SuppressWarnings("unchecked")

public String wxPaymentPackage() throws IOException, QQConnectException {

logger.error("token token========" + token);

Account account = (Account) getSession().getAttribute(FrontContainer.USER_INFO);

token = (Token) getSession().getAttribute(ConfigUtil.APPID + "token");

logger.error("token token========" + token);

if (account == null || StringUtils.isBlank(account.getAccount()) || token == null) {

return this.wxLogin();

}

//自己订单信息自己封装

order = (Order) getSession().getAttribute("order");// 订单信息

getSession().setAttribute("order", null);

ordership = (Ordership) getSession().getAttribute("ordership");// 配送信息

getSession().setAttribute("ordership", null);

logger.error("微信 payapireturnurl.order.id  ============" + order.getId());

logger.error("微信 payapireturnurl.ordership.id  ============" + ordership.getId());

// 封装

SortedMap<Object, Object> parameters = new TreeMap<Object, Object>();

parameters.put("appid", ConfigUtil.APPID);

parameters.put("mch_id", ConfigUtil.MCH_ID);

parameters.put("device_info", "WEB");

parameters.put("nonce_str", PayCommonUtil.CreateNoncestr());

parameters.put("body", order.getRemark());

parameters.put("out_trade_no", order.getId() + 12);

parameters.put("total_fee", String.valueOf((int) (Float.parseFloat(order.getAmount()) * 100)));// order.getTotal()

// 必须是字符串

// 否则报转换错误

// 单位为分;

String spbill_create_ip = AddressUtils.getIp(getRequest());

parameters.put("spbill_create_ip", spbill_create_ip);

parameters.put("notify_url", ConfigUtil.NOTIFY_URL);

parameters.put("trade_type", "JSAPI");

parameters.put("openid", token.getOpenId());// 需要获取

String sign = PayCommonUtil.createSign("UTF-8", parameters);

parameters.put("sign", sign);

String requestXML = PayCommonUtil.getRequestXml(parameters);

logger.error("requestXML  ===" + requestXML);

String result = CommonUtil.httpsRequest(ConfigUtil.UNIFIED_ORDER_URL, "POST", requestXML);

Map<String, String> map = new HashMap();

String json = "";

try {

map = XMLUtil.doXMLParse(result);

} catch (JDOMException e) {

logger.error("JDOMException===" + e.getMessage());

throw new NullPointerException("JDOMException参数异常");

} catch (IOException e) {

logger.error("IOException====" + e.getMessage());

throw new NullPointerException("IOException参数异常");

}// 解析微信返回的信息，以Map形式存储便于取值

SortedMap<Object, Object> params = new TreeMap<Object, Object>();

String timeStamp = Long.toString(new Date().getTime()).substring(0, 10);

String nonceStr = PayCommonUtil.CreateNoncestr();

if (!map.isEmpty()) {

params.put("appId", ConfigUtil.APPID);

params.put("timeStamp", timeStamp);

params.put("nonceStr", nonceStr);

params.put("package", "prepay_id=" + map.get("prepay_id"));

params.put("signType", ConfigUtil.SIGN_TYPE);

String paySign = PayCommonUtil.createSign("UTF-8", params);

params.put("packageValue", "prepay_id=" + map.get("prepay_id")); // 这里用packageValue是预防package是关键字在js获取值出错

params.put("paySign", paySign); // paySign的生成规则和Sign的生成规则一致

params.put("sendUrl", ConfigUtil.SUCCESS_URL); // 付款成功后跳转的页面

params.put("orderid", order.getId()); // 订单号

String userAgent = getRequest().getHeader("user-agent");

char agent = userAgent.charAt(userAgent.indexOf("MicroMessenger") + 15);

params.put("agent", new String(new char[] { agent }));// 微信版本号，用于前面提到的判断用户手机微信的版本是否是5.0以上版本。

}

json = JSONObject.fromObject(params).toString();

logger.error("json===" + json);

getRequest().setAttribute("json", json);

return null;

}