微信app支付

转：

java 服务端

http://blog.csdn.net/fengshizty/article/details/53199356

public class WeixinPayConfig {public static final String appid = "xxxxxxxxxxxx";// 在微信开发平台登记的app应用public static final String mch_id = "xxxxxx";// 商户号  即微信商户平台  登录号public static final String paternerKey = "xxxxxxxx";// 密钥// =>微信商户平台(pay.weixin.qq.com)-->账户设置-->API安全-->密钥设置public static final String createOrderURL = "https://api.mch.weixin.qq.com/pay/unifiedorder";// 统一下单接口// openId 是微信用户针对公众号的标识，授权的部分这里不解释public static final String openId = "";// 微信支付成功后通知地址 必须要求80端口并且地址不能带参数// public static String notify_url =// "http://xxxxxxxxx/wxpay/notify.do";public static String notify_url = "http://xxxxxx/notify.do";public static final String ORDER_PAY_QUERY = "https://api.mch.weixin.qq.com/pay/orderquery"; // 支付订单查询public static final String ORDER_REFUND = "https://api.mch.weixin.qq.com/secapi/pay/refund"; // 申请退款public static final String ORDER_REFUND_QUERY = "https://api.mch.weixin.qq.com/pay/refundquery"; // 申请退款}

/** *  * @param request * @param response * @param body *            商品描述 * @param subject *            订单标题 * @param out_trade_no *            商户订单号，商户网站订单系统中唯一订单号，必填 * @param total_amount *            付款金额，必填 * @param callback *            {"code":-1,"msg":"订单参数不能为空","response":{"cont":null,"list":[]} *            } */@RequestMapping(value = "appbuildOrder")public void appbuildOrder(HttpServletRequest request,HttpServletResponse response, String body, String subject,String out_trade_no, Double total_amount, String callback) {LOG.info("[/wxpay/pay]");try {body = new String(body.getBytes("ISO-8859-1"), "utf-8");subject = new String(subject.getBytes("ISO-8859-1"), "utf-8");} catch (UnsupportedEncodingException e1) {// TODO Auto-generated catch blocke1.printStackTrace();};if (StringUtil.isEmpty(body) || StringUtil.isEmpty(subject)|| StringUtil.isEmpty(out_trade_no) || total_amount == 0|| total_amount == null) {WebUtil.response(response,WebUtil.packJsonp(callback, JSON.toJSONString(new JsonResult(-1, "订单参数不能为空", new ResponseData()),SerializerFeatureUtil.FEATURES)));return;}// else {// ======================================================// 创建下单 https://pay.weixin.qq.com/wiki/doc/api/app/app.php?chapter=9_1Map<String, String> restmap = null;boolean flag = true; // 是否订单创建成功try {String total_fee = BigDecimal.valueOf(total_amount).multiply(BigDecimal.valueOf(100)).setScale(0, BigDecimal.ROUND_HALF_UP).toString();Map<String, String> parm = new HashMap<String, String>();parm.put("appid", WeixinPayConfig.appid);// 应用号parm.put("mch_id", WeixinPayConfig.mch_id);// 商户号parm.put("device_info", "WEB");parm.put("nonce_str", PayUtil.getNonceStr());parm.put("body", subject);// 商品名称parm.put("attach", body);// 商户携带订单的自定义数据parm.put("out_trade_no", out_trade_no);// 商户系统内部订单号parm.put("total_fee", total_fee);// 订单总金额，单位为分parm.put("spbill_create_ip", PayUtil.getRemoteAddrIp(request));// 用户端实际ipparm.put("notify_url", WeixinPayConfig.notify_url); // 微信服务器异步通知支付结果地址// 下面的order/notify// 方法parm.put("trade_type", "APP");// 支付类型parm.put("sign", PayUtil.getSign(parm, WeixinPayConfig.paternerKey));String restxml = HttpUtils.post(WeixinPayConfig.createOrderURL,XmlUtil.xmlFormat(parm, false));restmap = XmlUtil.xmlParse(restxml);} catch (Exception e) {LOG.error(e.getMessage(), e);}Map<String, String> payMap = new HashMap<String, String>();// ==========================================================================// https://pay.weixin.qq.com/wiki/doc/api/app/app.php?chapter=9_12&index=2// 获取到prepayid后对以下字段进行签名最终发送给appif (CollectionUtil.isNotEmpty(restmap)&& "SUCCESS".equals(restmap.get("result_code"))) {payMap.put("appid", WeixinPayConfig.appid);payMap.put("partnerid", WeixinPayConfig.mch_id);payMap.put("prepayid", restmap.get("prepay_id"));// 微信返回的支付交易会话IDpayMap.put("package", "Sign=WXPay");// 固定值Sign=WXPaypayMap.put("noncestr", PayUtil.getNonceStr());// 随机字符串payMap.put("timestamp", PayUtil.payTimestamp());// 时间戳try {payMap.put("sign",PayUtil.getSign(payMap, WeixinPayConfig.paternerKey));} catch (Exception e) {flag = false;}} else {flag = false;}if (flag) {WebUtil.response(response, WebUtil.packJsonp(callback, JSON.toJSONString(new JsonResult(1, "订单获取成功", new ResponseData(null, payMap)), SerializerFeatureUtil.FEATURES)));LOG.info("[/wxpay/pay-success]");} else {if (CollectionUtil.isNotEmpty(restmap)) {LOG.info("订单创建失败：" + restmap.get("err_code") + ":"+ restmap.get("err_code_des"));}WebUtil.response(response,WebUtil.packJsonp(callback, JSON.toJSONString(new JsonResult(-1, "订单获取失败", new ResponseData()),SerializerFeatureUtil.FEATURES)));}}

异步回调

/** * https://pay.weixin.qq.com/wiki/doc/api/app/app.php?chapter=9_7&index=3 * 订单支付微信服务器异步通知 *  * @param request * @param response */@ResponseBody@RequestMapping("/notify")public String orderPayNotify(HttpServletRequest request,HttpServletResponse response) {LOG.info("[/wxpay/notify]");response.setCharacterEncoding("UTF-8");response.setContentType("text/xml");Map<String, String> parm = new HashMap<String, String>();try {ServletInputStream in = request.getInputStream();String resxml = FileUtil.readInputStream2String(in);Map<String, String> restmap = XmlUtil.xmlParse(resxml);LOG.info("支付结果通知：" + restmap);if ("SUCCESS".equals(restmap.get("return_code"))) {// 订单支付成功 业务处理String out_trade_no = restmap.get("out_trade_no"); // 商户订单号String transaction_id = restmap.get("transaction_id"); // 商户订单号String cash_fee = restmap.get("cash_fee"); // 商户订单号cash_fee = new BigDecimal(cash_fee).divide(new BigDecimal(100)).setScale(2).toString();// 通过商户订单判断是否该订单已经处理 如果处理跳过 如果未处理先校验sign签名 再进行订单业务相关的处理String sing = restmap.get("sign"); // 返回的签名restmap.remove("sign");String signnow = PayUtil.getSign(restmap,WeixinPayConfig.paternerKey);if (signnow.equals(sing)) {// 进行业务处理LOG.info("订单支付通知： 支付成功，订单号" + out_trade_no);PayDevInfo isExist = payDevInfoService.findPayDevInfoByTradeNo(transaction_id);if (isExist == null) {// 防止重复处理// 支付成功业务处理........}parm.put("return_code", "SUCCESS");parm.put("return_msg", "OK");} else {LOG.info("订单支付通知：签名错误");parm.put("return_code", "FAIL");parm.put("return_msg", "签名失败");}} else {LOG.info("订单支付通知：支付失败，" + restmap.get("err_code") + ":"+ restmap.get("err_code_des"));parm.put("return_code", "FAIL");parm.put("return_msg", "支付失败");}} catch (Exception e) {LOG.error(e.getMessage(), e);parm.put("return_code", "FAIL");parm.put("return_msg", "商户服务器问题");}String xml = XmlUtil.xmlFormat(parm, true);return xml;}

双向验证 报错

DerInputStream.getLength(): lengthTag=111, too big.

SSL context may not be null

原因

war 打包后 证书大小变大了，

解决手动复制证书到相应的目录

android 客户端

http://blog.csdn.net/androidstarjack/article/details/50951941

请求前判断有没有安装微信

   private boolean isWXAppInstalledAndSupported() {        mWxApi = WXAPIFactory.createWXAPI(this, WX_APPID, true);        mWxApi.registerApp(WX_APPID);        boolean sIsWXAppInstalledAndSupported = mWxApi.isWXAppInstalled()                && mWxApi.isWXAppSupportAPI();        return sIsWXAppInstalledAndSupported;    }

 OkHttpUtils.get().url(url)                    .addParams("body", body)                    .addParams("subject", subject)                    .addParams("out_trade_no", System.currentTimeMillis() + groupId)                    .addParams("total_amount", total_amount + "")                    .build()                    .connTimeOut(20 * 1000)                    .readTimeOut(20 * 1000)                    .execute(new StringCallback() {                        @Override                        public void onError(Call call, Exception e, int id) {                            Toast.makeText(UIUtils.getContext(),                                    "支付失败,请稍后重试！", Toast.LENGTH_SHORT)                                    .show();                            ;                        }                        @Override                        public void onResponse(String response, int id) {                            if (!TextUtils.isEmpty(response)) {                                final String orderInfo = response;                                PayJsonResult jsonResult = new Gson()                                        .fromJson(orderInfo, PayJsonResult.class);                                    wxPay(jsonResult);                            } else {                                Toast.makeText(UIUtils.getContext(),                                        "支付失败,请稍后重试！", Toast.LENGTH_SHORT)                                        .show();                            }                        }                    });

private void wxPay(ResponseData response) {        Map<String, Object> json = (Map<String, Object>) response.getCont();        Log.e("get server pay params:", json.toString());        try {            if (null != json) {                PayReq req = new PayReq();                //req.appId = "wxf8b4f85f3a794e77";  // 测试用appId                req.appId = (String) json.get("appid");                req.partnerId = (String) json.get("partnerid");                req.prepayId = (String) json.get("prepayid");                req.nonceStr = (String) json.get("noncestr");                req.timeStamp = (String) json.get("timestamp");                req.packageValue = (String) json.get("package");                req.sign = (String) json.get("sign");                req.extData = "app data"; // optional                Toast.makeText(this, "正常调起支付", Toast.LENGTH_SHORT).show();                // 在支付之前，如果应用没有注册到微信，应该先调用IWXMsg.registerApp将应用注册到微信                mWxApi.sendReq(req);                finish();            }        } catch (Exception e) {            Log.e("PAY_GET", "异常：" + e.getMessage());            Toast.makeText(this, "支付失败,请稍后重试", Toast.LENGTH_SHORT).show();        }    }