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

 

--- 网页支付

http://wappaygw.alipay.com/service/rest.htm?req_data=<direct_trade_create_req><subject>12121212</subject><out_trade_no>12121021</out_trade_no><total_fee>1</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>10</pay_expire></direct_trade_create_req>&service=alipay.wap.trade.create.direct&sec_id=0001&partner=12112&req_id=11121212&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 = 20;    protected static final int LOAD_FINISH_CODE = 40;    private static final int DEFAULT_CODE = 50;        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(0);                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(0);        if (MobileUtil.getMobileVersion()>11) {                    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 == 100 && 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: [e-mail] */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。