public void WxPay(){
//        new Thread(new Runnable() {
//            @Override
//            public void run() {
//
//               // Button appayBtn = (Button) findViewById(R.id.appay_btn);
//                //appayBtn.setOnClickListener(new View.OnClickListener() {
//                 //   @Override
//                   // public void onClick(View v) {
//                     //   final Button payBtn = (Button) findViewById(R.id.appay_btn);
//                    //    payBtn.setEnabled(false);
//
//                    }
//                }).start();

        Toast.makeText(PayingActivity.this, "获取订单中...", Toast.LENGTH_SHORT).show();
        HttpUtils httpUtils = new HttpUtils();
        httpUtils.send(HttpRequest.HttpMethod.GET,
                "http://wxpay.weixin.qq.com/pub_v2/app/app_pay.php?plat=android",
                new RequestCallBack<String>() {
                    @Override
                    public void onSuccess(ResponseInfo<String> responseInfo) {
                        String content = responseInfo.result;
                        Log.e("get server pay params:", content);
                        try {
                            JSONObject json = new JSONObject(content);
                            if (null != json && !json.has("retcode")) {
                                PayReq req = new PayReq();
                                //req.appId = "wxf8b4f85f3a794e77";  // 测试用appId
                                req.appId = json.getString("appid");
                                req.partnerId = json.getString("partnerid");
                                req.prepayId = json.getString("prepayid");
                                req.nonceStr = json.getString("noncestr");
                                req.timeStamp = json.getString("timestamp");
                                req.packageValue = json.getString("package");
                                req.sign = json.getString("sign");
                                req.extData = "app data"; // optional
                                Toast.makeText(PayingActivity.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
                                //api.registerApp("wx3c08ef3862b18c98");
                                api.sendReq(req);
                            } else {
                                Log.d("PAY_GET", "返回错误" + json.getString("retmsg"));
                                Toast.makeText(PayingActivity.this, "返回错误" + json.getString("retmsg"), Toast.LENGTH_SHORT).show();
                            }
                        } catch (Exception e) {
                            e.printStackTrace();
                        }
                        //        payBtn.setEnabled(true);
                    }

                    @Override
                    public void onFailure(HttpException e, String s) {
                        Log.d("PAY_GET", "服务器请求错误");
                        e.printStackTrace();
                        Toast.makeText(PayingActivity.this, "服务器请求错误", Toast.LENGTH_SHORT).show();
                        //     payBtn.setEnabled(true);
                    }
                });


            //}
      //  });
    }