支付宝App支付功能实现

准备工作

工具下载

1、支付宝开放平台开发助手

2、支付宝App沙箱版
3、客户端测试App

环境准备

1、在支付宝开放平台开启自己的沙箱环境

2、获取你的商家账号和买家账号
3、获取支付宝公钥与用户私钥

开始编码

    //应用id
    public final static String  APP_ID="2016093000630117";
    //应用私钥
    public final static String  APP_PRIVATE_KEY="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";
    //编码
    public final static String  CHARSET="UTF-8";
    //支付宝公钥
    public final static String  ALIPAY_PUBLIC_KEY="MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAhgvsmfRPdHVY4gULy+6eaUCtLDhQxYScCGUhJBug5ckAruWfSnJQbhNKASkfCAURAYJbb9Aezkt+ry+4B6qKXyXWTaOt7yx+EZYXuyjDGro04nPmIXB8hi2EwlhqiXuaBseWTjxAkFHAmKDsOoxutq9YKqJHoTKX2bISqHByfHKAu3rWgVj1MaMDunuBh/u/ZASiiiNG6eXxC/zXk+qn8Bxgu4ZryNvWhZpmUV7pFUCE0K4kC2Z7gArVT+sXcjAW85B6O9ovloMvisCNEhvlZb8g37pw2wLKzgxGo04qQ5xA9LX53EENu/ZCGSJIPjUFNYdanrO5tyYkjYTmRtyr6wIDAQAB";
    //沙箱网关
    public final static String  SERVERURL="https://openapi.alipaydev.com/gateway.do";
    //格式
    public final static String  FORMAT="json";
    //**加密方式
    public final static String  SIGNTYPE="RSA2";


    public void getOrderInfo(){
        //实例化客户端
        AlipayClient alipayClient = new DefaultAlipayClient(SERVERURL, APP_ID, APP_PRIVATE_KEY, FORMAT, CHARSET, ALIPAY_PUBLIC_KEY, SIGNTYPE);
        //实例化具体API对应的request类,类名称和接口名称对应,当前调用接口名称：alipay.trade.app.pay
        AlipayTradeAppPayRequest request = new AlipayTradeAppPayRequest();
        //SDK已经封装掉了公共参数，这里只需要传入业务参数。以下方法为sdk的model入参方式(model和biz_content同时存在的情况下取biz_content)。
        AlipayTradeAppPayModel model = new AlipayTradeAppPayModel();
        model.setBody("我是测试数据");
        model.setSubject("App支付测试Java");
        model.setOutTradeNo("songshuhao1314");
        model.setTimeoutExpress("30m");
        model.setTotalAmount("0.01");
        model.setProductCode("QUICK_MSECURITY_PAY");
        request.setBizModel(model);
        request.setNotifyUrl("http://i3ue7v5siv.52http.tech");
        try {
            //这里和普通的接口调用不同，使用的是sdkExecute
            AlipayTradeAppPayResponse response = alipayClient.sdkExecute(request);
            System.out.println(response.getBody());//就是orderString 可以直接给客户端请求，无需再做处理。
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }
    }

    public String notify_url(HttpRequest request){
        //获取支付宝POST过来反馈信息
        Map<String,String> params = new HashMap<String,String>();
        Map requestParams = request.getParameterMap();
        for (Iterator iter = requestParams.keySet().iterator(); iter.hasNext();) {
            String name = (String) iter.next();
            String[] values = (String[]) requestParams.get(name);
            String valueStr = "";
            for (int i = 0; i < values.length; i++) {
                valueStr = (i == values.length - 1) ? valueStr + values[i]
                        : valueStr + values[i] + ",";
            }
            //乱码解决，这段代码在出现乱码时使用。
            //valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
            params.put(name, valueStr);
        }
//切记alipaypublickey是支付宝的公钥，请去open.alipay.com对应应用下查看。
//boolean AlipaySignature.rsaCheckV1(Map<String, String> params, String publicKey, String charset, String sign_type)
        try {
            boolean flag = AlipaySignature.rsaCheckV1(params, ALIPAY_PUBLIC_KEY, CHARSET,SIGNTYPE);
            if (!flag){
                return "flag";
            }
            //验签

            //业务逻辑
            System.out.println("修改订单成功！");
            return "sucess";
        } catch (AlipayApiException e) {
            e.printStackTrace();
            return "fail";
        }
    }

    public static void main(String[] args) {
        AlipayController alipayController=new AlipayController();
        alipayController.getOrderInfo();
    }