Android新手快速上手APP支付

2020-01-06  本文已影响0人  AndroidLazy

第三方配置不做介绍,APP支付流程:

  1. 调用项目后台接口生成订单

  2. 通过订单id调用项目后台接口获取订单信息(为了安全,订单信息一般交由后台处理提供)

  3. 调用第三方(微信、支付宝)api通过订单信息进行支付

微信支付:payInfoWechatBean对象就是通过第二步获取到的订单信息


private void callWechatToPay(PayInfoWechatBean payInfoWechatBean, String extData) {

IWXAPI iwxapi = WXAPIFactory.createWXAPI(this, WechatConstants.getWXAppId());

    iwxapi.registerApp(WechatConstants.getWXAppId());

    PayReq req =new PayReq();

    req.appId = WechatConstants.getWXAppId();

    req.partnerId = payInfoWechatBean.getPartner();

    req.prepayId = payInfoWechatBean.getPrepay_id();

    req.nonceStr = payInfoWechatBean.getNonceStr();

    req.timeStamp = payInfoWechatBean.getTimeStamp();

    req.packageValue = payInfoWechatBean.getPackages();

    req.sign = payInfoWechatBean.getFinalsign();

    req.extData = extData; // optional

    iwxapi.sendReq(req);

    btnSurepayPayorder.setEnabled(true);

}

然后在微信规定的回调类进行结果处理


public class WXPayEntryActivity extends Activityimplements IWXAPIEventHandler {

private IWXAPI api;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

        api = WXAPIFactory.createWXAPI(this, WechatConstants.getWXAppId());

        api.handleIntent(getIntent(), this);

    }

@Override

    protected void onNewIntent(Intent intent) {

super.onNewIntent(intent);

        setIntent(intent);

        api.handleIntent(intent, this);

    }

@Override

    public void onReq(BaseReq baseReq) {

}

@Override

    public void onResp(BaseResp resp) {

LLog.d("微信支付回调", "" + resp.toString() +"\n" + resp.getType()

+"\n" + ((PayResp) resp).extData +"\n" + resp.errCode);

        if (resp.getType() == ConstantsAPI.COMMAND_PAY_BY_WX) {

if (resp.errCode == BaseResp.ErrCode.ERR_OK) {

EventBus.getDefault().post(new PayEvent(true, ((PayResp) resp).extData));

            }else {

EventBus.getDefault().post(new PayEvent(false, ((PayResp) resp).extData));

            }

finish();

        }

}

}

支付宝支付: orderInfo 就是第二步获取的订单信息


private void callAlipayToPay(String orderInfo) {

if (!TextUtils.isEmpty(orderInfo)) {

Runnable payRunnable =new Runnable() {

@Override

            public void run() {

PayTask alipay =new PayTask(PayOrderActivity.this);

                Map result = alipay.payV2(orderInfo, true);

                Message msg =new Message();

                msg.what =SDK_PAY_FLAG;

                msg.obj = result;

                mHandler.sendMessage(msg);

            }

};

        // 必须异步调用

        Thread payThread =new Thread(payRunnable);

        payThread.start();

    }

}

然后通过 Handler 处理支付回调


@SuppressLint("HandlerLeak")

private HandlermHandler =new Handler() {

@SuppressWarnings("unused")

public void handleMessage(Message msg) {

switch (msg.what) {

case SDK_PAY_FLAG: {

@SuppressWarnings("unchecked")

PayResult payResult =new PayResult((Map) msg.obj);

                    /**

对于支付结果,请商户依赖服务端的异步通知结果。同步通知结果,仅作为支付结束的通知。

*/

                    String resultInfo = payResult.getResult();// 同步返回需要验证的信息

                    String resultStatus = payResult.getResultStatus();

                    // 判断resultStatus 为9000则代表支付成功

                    if (TextUtils.equals(resultStatus, "9000")) {

// 该笔订单是否真实支付成功,需要依赖服务端的异步通知。

//                        Toast.makeText(PayDemoActivity.this, "支付成功", Toast.LENGTH_SHORT).show();

                        EventBus.getDefault().post(new PayEvent(true, payType));

                    }else {

// 该笔订单真实的支付结果,需要依赖服务端的异步通知。

//                        Toast.makeText(PayDemoActivity.this, "支付失败", Toast.LENGTH_SHORT).show();

                        EventBus.getDefault().post(new PayEvent(false, payType));

                    }

break;

                }

default:

break;

            }

}

};

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