android 集成支付宝app支付(原生态)-包括android前端与java后台

@SuppressLint("HandlerLeak")
private Handler mHandler = new Handler() {
    @SuppressWarnings("unused")
    public void handleMessage(Message msg) {
        switch (msg.what) {
            case SDK_PAY_FLAG: {
                @SuppressWarnings("unchecked")
                PayResult payResult = new PayResult((Map<String, String>) 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")) {
                    outTradeNum = "";
                    showToast("支付成功");
                } else {
                    outTradeNum = "";
                    // 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(MainActivity.this, "支付失败", Toast.LENGTH_SHORT).show();
                }
                break;
            }
            case SDK_AUTH_FLAG: {
                @SuppressWarnings("unchecked")
                AuthResult authResult = new AuthResult((Map<String, String>) msg.obj, true);
                String resultStatus = authResult.getResultStatus();
 
                // 判断resultStatus 为“9000”且result_code
                // 为“200”则代表授权成功，具体状态码代表含义可参考授权接口文档
                if (TextUtils.equals(resultStatus, "9000") && TextUtils.equals(authResult.getResultCode(), "200")) {
                    // 获取alipay_open_id，调支付时作为参数extern_token 的value
                    // 传入，则支付账户为该授权账户
                    Toast.makeText(MainActivity.this,
                            "授权成功\n" + String.format("authCode:%s", authResult.getAuthCode()), Toast.LENGTH_SHORT)
                            .show();
                } else {
                    // 其他状态值则为授权失败
                    Toast.makeText(MainActivity.this,
                            "授权失败" + String.format("authCode:%s", authResult.getAuthCode()), Toast.LENGTH_SHORT).show();
 
                }
                break;
            }
            default:
                break;
        }
    };
};

@RequestMapping("/generateOrderInfo.htm")
    @ResponseBody
    public Result generateOrderInfo(String bizContent) 
    {
        Result result = new Result();
        AlipaySignature sing=  new AlipaySignature();
        if(StringUtils.isEmpty(bizContent)){
            result.setData("");
            result.setStateCode(Constant.RESULT_FAILURE);
            result.setDesc("待加签字符串不能为空");
        }else
        {
            String appId = ConfigManager.getInstance().getConfigItem("APPID");
            Map<String, String> params = OrderInfoUtil2_0.buildOrderParamMap(appId, bizContent, true);
            String orderParam = OrderInfoUtil2_0.buildOrderParam(params);
 
            String privateKey = ConfigManager.getInstance().getConfigItem("ProjectPrivateKey");
            String sign = OrderInfoUtil2_0.getSign(params, privateKey, true);
            final String orderInfo = orderParam + "&" + sign;
            result.setDesc("加签成功");
            result.setStateCode(Constant.RESULT_SUCCESS);
            result.setData(orderInfo);
        }
        return  result;
    }

/**
     * 支付宝的回调接口
     * @param request
     */
    @RequestMapping("/notifyOrderInfo.htm")
    public void notifyOrderInfo(HttpServletRequest request){
         
        if ("TRADE_SUCCESS".equals(request.getParameter("trade_status"))) {
            Enumeration<?> pNames = request.getParameterNames();
            Map<String, String> param = new HashMap<String, String>();
            try {
                while (pNames.hasMoreElements()) {
                    String pName = (String) pNames.nextElement();
                    param.put(pName, request.getParameter(pName));
                }
 
                boolean signVerified = AlipaySignature.rsaCheckV1(param, ConfigManager.getInstance().getConfigItem("AlipayPublicKey"),
                        AlipayConstants.CHARSET_UTF8); // 校验签名是否正确
                if (signVerified) {
                    // TODO 验签成功后
                    // 按照支付结果异步通知中的描述，对支付结果中的业务内容进行1\2\3\4二次校验，校验成功后在response中返回success，校验失败返回failure
                    System.out.println("订单支付成功：" + JSON.toJSONString(param)); 
                } else {
                    // TODO 验签失败则记录异常日志，并在response中返回failure.
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        return;
    }