Android学习笔记_69_android 支付宝之网页支付和快捷支付

参考资料：

https://b.alipay.com/order/productDetail.htm?productId=2013080604609654

https://b.alipay.com/order/productDetail.htm?productId=2013080604609654&tabId=4#ps-tabinfo-hash

转Android支付接入（五）：机锋网

--- 网页支付

http://wappaygw.alipay.com/service/rest.htm?
req_data=
<direct_trade_create_req>
<subject></subject>
<out_trade_no></out_trade_no>
<total_fee></total_fee>
<seller_account_name>che12121</seller_account_name>
<notify_url>http://www.alipay.com/waptest0504/servlet/NotifyReceiver</notify_url>
<out_user>outID123</out_user>
<merchant_url>http://www.alipay.com</merchant_url>
<pay_expire></pay_expire>
</direct_trade_create_req>
&service=alipay.wap.trade.create.direct
&sec_id=&partner=
&req_id=
&sign=bDfw5%2Bctc3pxzl7emPxqOod4EiPu3BkE0 Um54g4whHT22CwLbOn1gzyE%2BU5SIleGPke2rNQ%3D
&format=xml
&v=2.0

网页支付拿这服务器返回的地址，通过webview直接请求就可以

public class AlipayWebActivity extends Activity {
    private WebView mWebView;
    private ProgressDialog mProgressDialog;
    private static final String TAG = "AlipayWebActivity";
    protected static final int PAY_SUCCESS = ;
    protected static final int LOAD_FINISH_CODE = ;
    private static final int DEFAULT_CODE = ;

    private ImageView quitImageView;

    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.web);
        FactoryUtil.getInstance().addActivity(this);

        quitImageView = (ImageView) findViewById(R.id.iv_quit);

        mWebView = (WebView) findViewById(R.id.webview);
        mWebView.setBackgroundColor();

        initial();

        quitImageView.setOnClickListener(new MyOnClickListener());
    }

    @SuppressLint({ "SetJavaScriptEnabled", "HandlerLeak" })
    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
    private void initial() {
        String url = getIntent().getStringExtra("url");
        LogUtil.i(TAG, url);
        WebSettings webSettings = mWebView.getSettings();
        mWebView.requestFocus();
        webSettings.setJavaScriptEnabled(true);
        mWebView.setFocusable(true);
        webSettings.setBuiltInZoomControls(true);

        mWebView.setScrollBarStyle();
        if (MobileUtil.getMobileVersion()>) {
            mWebView.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
        }
        mWebView.setWebChromeClient(new WebChromeClient() {
            public void onProgressChanged(WebView view, int newProgress) {
                LogUtil.i(TAG, "newProgress: " + newProgress);
                if (newProgress ==  && mProgressDialog!=null) {
                    mProgressDialog.dismiss();
                }
                super.onProgressChanged(view, newProgress);
            }
        });

        mWebView.setWebViewClient(new WebViewClient() {
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                LogUtil.i(TAG, "URL : " + url);
                LogUtil.i(TAG, "URL : " + url.contains("&cmd=success&"));
                loadUrl(view, url);
                return true;//停止在当前界面
            }
            public void onPageFinished(WebView view, String url) {
                LogUtil.i(TAG, "onPageFinished" + url);
                //trade_status ： TRADE_FINISHED，成功之后处理

                super.onPageFinished(view, url);

            }
            public void onPageStarted(WebView view, String url, Bitmap favicon) {
                super.onPageStarted(view, url, favicon);
                LogUtil.i(TAG, "onPageStarted" + url);
            }
        });

        loadUrl(mWebView, url);
    }

    @SuppressLint("HandlerLeak")
    private Handler mUihandler = new Handler() {
        public void handleMessage(Message msg) {
            switch (msg.what) {
            case PAY_SUCCESS:
                clearCache();
                FactoryUtil.getInstance().exit();
                break;
            case LOAD_FINISH_CODE:
                if (mProgressDialog != null && mProgressDialog.isShowing()) {
                    mProgressDialog.dismiss();
                }
                break;
            case DEFAULT_CODE:
                showProgressDialog(AlipayWebActivity.this,
                        R.string.dialog_loading);
            }
            super.handleMessage(msg);
        }
    };

    private void loadUrl(final WebView webView, final String url) {

        mUihandler.sendEmptyMessage(DEFAULT_CODE);
        webView.loadUrl(url);

    }

    public boolean onKeyDown(int keyCode, KeyEvent event) {
        LogUtil.i(TAG, "can goback:" + mWebView.canGoBack());
        if (keyCode == KeyEvent.KEYCODE_BACK && mWebView.canGoBack()) {
            mWebView.goBack();
            return true;
        } else if (keyCode == KeyEvent.KEYCODE_BACK) {
            onBackPressed();
            return true;
        }
        return super.onKeyDown(keyCode, event);
    }

    public void showProgressDialog(Context context, int message) {
        if (mProgressDialog == null) {
            mProgressDialog = new ProgressDialog(context);
            mProgressDialog.setMessage(context.getText(message));
            mProgressDialog.show();
        }
    }

    private void clearCache() {
        mWebView.clearCache(true);
        mWebView.loadDataWithBaseURL(null, "", "text/html", "utf-8", null);
        finish();
    }

    private class MyOnClickListener implements OnClickListener{
        @Override
        public void onClick(View v) {
            int id = v.getId();
            if (id==R.id.iv_quit) {
                finish();
            }
        }
    }
}

--- 快捷支付
1、公钥，密钥，签名在服务器端完成，比放在客户端安全。
2、报4000 4100一般就是参数出现错误，仔细比对，如果参数都没问题，很有可能是sign也就是签名没有通过。签名之后不能对已经签名的字符串做任何修改，因为支付宝需要解密的。
3、如果报服务器繁忙，然后打印出参数非法的警告信息时， KeyFactory.getInstance("RSA", "BC") 可以解决。
4、sign签名要utf-8格式。

/*
 * Copyright (C) 2010 The MobileSecurePay Project
 * All right reserved.
 * author: shiqun.shi@alipay.com
 */

package com.ztgame.dudu.payment.alipay;

import android.app.Activity;
import android.content.DialogInterface;
import android.os.Handler;
import android.os.Message;
import android.widget.Toast;

import com.alipay.android.app.sdk.AliPay;
import com.ztgame.dudu.payment.R;
import com.ztgame.dudu.payment.ui.FactoryUtil;
import com.ztgame.dudu.payment.util.BaseDialogUtil;
import com.ztgame.dudu.payment.util.LogUtil;

public class AlipayUtil {

    private static String TAG = "AlipayUtil";
    private Activity activity;
    private String order;
    private static final int RQF_PAY = 1;

    private static final int RQF_LOGIN = 2;

    public AlipayUtil(Activity activity, String order) {
        this.activity = activity;
        this.order = order;
        LogUtil.i(TAG, activity.toString() + " "
                + activity.getMainLooper().toString());
    }

    public void pay() {
        // 根据订单信息开始进行支付
        try {

            new Thread() {
                public void run() {
                    AliPay alipay = new AliPay(activity, mHandler);
                    String result = alipay.pay(order);
                    Message msg = new Message();
                    msg.what = RQF_PAY;
                    msg.obj = result;
                    mHandler.sendMessage(msg);
                }
            }.start();
        } catch (Exception ex) {
            Toast.makeText(activity, R.string.pay_fail,Toast.LENGTH_SHORT).show();
            activity.finish();
        }
    }

    Handler mHandler = new Handler() {
        public void handleMessage(android.os.Message msg) {
            Result result = new Result((String) msg.obj);
            switch (msg.what) {
            case RQF_PAY:
            case RQF_LOGIN: {
                try {
                    String ret = result.getResult();
                    result.parseResult();
                    LogUtil.i(TAG, ret);
                    LogUtil.i(TAG, "1: " + result.isSignOk + " 2: "
                            + result.memo + " 3: " + result.resultStatus);
                    // 先验签通知
                    // 1: false 2: 3: 操作成功(9000)
                    // 验签失败
                    if (result.isSignOk) {
                        Toast.makeText(activity, R.string.check_sign_fail, Toast.LENGTH_SHORT).show();
                    } else {// 验签成功。验签成功后再判断交易状态码
                        if ("操作成功(9000)".equals(result.resultStatus)) {// 判断交易状态码，只有9000表示交易成功

　　　　　　　　　　　　　　　　　　//成功之后执行

                            });
                        } else {
                            Toast.makeText(activity,
                                    "支付失败。交易状态码:" + result.resultStatus,
                                    Toast.LENGTH_SHORT).show();
                        }
                    ｝
                } catch (Exception e) {
                    e.printStackTrace();
                    Toast.makeText(activity, R.string.pay_fail, Toast.LENGTH_SHORT).show();
                }
            }
                break;
            default:
                break;
            }
        };
    };

}

剩下的文档里面都有，只需要处理的是支付成功与失败的逻辑。

提交到支付宝的订单快捷支付：

partner=""&out_trade_no=""&subject="支付0.01元"&body="支付0.01元"&total_fee="0.01"
&notify_url="http%3A%2F%2F122.32.196.157%3A90%2Freeonse%2Falipaydut"&service="mobile.securitypay.pay"&_input_charset="utf-8"&payment_type=""&seller_id=""&show_url="m.alipay.cm"
&it_b_pay="30m"&sign="MPZ8lamKUDgidaIn2KwX%2B6GX4o3BSheEUI2xg3aJa1b%2B1M6VXP%2BaMA3szSBPyl7UYm%2Fdhz8KVuFn5Du057R2lUNQ%2B2nSb3qSXZ6rZcNQ2rCrZ84Kiy3MWFBqlt%2Buq%2FufaCOnGEQyo18NXnm6OGDazSMppQP9cr434ILLguhcntM%3D"
&sign_type="RSA"