Android就业面试技巧系列-技术篇11 (支付相关)

{ "goodInfos" :[{ "goodCounts" : "1" , "goodExtInfo" :{}, "goodIDs" : "361" , "goodType" : "1" }], "loginFlag" : "0" , "mobile" : "18682036558" , "orderId" : "0" , "otherInfo" :{ "agentID" : "0-maizuo" , "channelID" : "31" , "clientID" : "31" }, "payDatas" :{ "discountInfo" :{ "activeID" : "0" , "discountID" : "0" , "discountPrice" : "" }, "payInfo" :[{ "bankType" : "7" , "payCount" : "3200" , "payTicketCount" : "1" , "payType" : "1" }], "payPass" : "" , "returnUrl" : "" , "totalPrice" : "3200" }, "processPath" : "1" , "sessionKey" : "mqneaadqapkpkqshxvdj" , "userID" : "200394160" }

         输出结果{ "result" : "ok" , "payExtInfo" :{ "alipayVerifyKey" : "_input_charset="UTF-8"&body="卖座网电子影票"&it_b_pay="1h"¬ify_url="http%3A%2F%2Fpay.maizuo.com%2FmobileBack.htm"&out_trade_no="201507238712113008"&partner="2088411628331920"&payment_type="1"&seller_id="2088411628331920"&service="mobile.securitypay.pay"&subject="深圳金逸影城沙井店(2D通兑票1张)"&total_fee="32.00"&sign="M0O0Ej5J13A25SAWupc5a6vAGmJnblx2CvuWF2dwFGxMZ%2BxlRWmp%2F6ZDfI8Y%2FFJbjiEqE99MAsKh%0AfIBQqP4Y1TyNkbY0XixQFPgAAqsqwGqYJSDtqUFWRgje%2B8pI1KuxfPE3UcDZs4hxDZoP%2Bdof%2Bldf%0AKQmximUyqT5Crtwj1Ag%3D"&sign_type="RSA"" }, "bankType" : "" , "userId" : "200394160" , "resource" :{ "rel" : "view" , "link" : "/orderform/200394160/201507238712113008" }, "payType" : "7" , "payUrl" : "" , "orderId" : "201507238712113008" , "uniqueKey" : "D5585vO8624915A11z" , "timeNow" : "1437622208552" }

// 合作身份者ID，以2088开头由16位纯数字组成的字符串

    public static final String ALIPAY_PartnerID = "" ;

    // 商户签约支付宝账号

    public static final String ALIPAY_SellerID = "" ;

    // 商户的私钥（MD5）

    public static final String ALIPAY_MD5_KEY = "" ;

    // 商户私钥（RSA）,用户自动生成

    public static final String ALIPAY_PartnerPrivKey = "" ;

    // 支付宝公钥，无需修改该值  demo里面有的

    public static final String ALIPAY_PubKey = "" ;

//    3.调用第三方服务,完成支付

                //获取Alipay对象，构造参数为当前Activity和Handler实例对象

                AliPay alipay = new AliPay(MainActivity. this , mHandler);

                //调用pay方法，将订单信息传入

                //同步返回    取消操作  支付成功  支付失败(网络异常)

                String payResult = alipay.pay(alipayVerifyKey);

/**---------------demo里面处理支付结果的代码---------------**/

    

                /*Result result = new Result((String) msg.obj);

                switch (msg.what) {

                case RQF_PAY:

                case RQF_LOGIN: {

                    Toast.makeText(ExternalPartner.this, result.getResult(), Toast.LENGTH_SHORT).show();

    

                }

                    break;

                default:

                    break;

                }

                */

                /**---------------老师实际开发处理支付结果的代码---------------**/

                

                /*Result.sResult = (String) msg.obj;

                Logger.i(TAG, "strRet:" + Result.sResult);

                try {

                    String errorMsg = Result.getPayResult();

                    Logger.i(TAG, "errorMsg:" + errorMsg);

                    if (!"".equals(errorMsg)) {

                        Toast.makeText(getApplicationContext(), errorMsg, 0).show();

                        if ("操作成功".equals(errorMsg)) {

                            payOk();//支付成功可以调到订单界面

                        } else {

                            payFail();//可以弹出对话框进行重复支付

                        }

                    }

                } catch (Exception e) {

                    e.printStackTrace();

                    if (!PayActivity.this.isFinishing()) {

                        BaseHelper.showDialog(PayActivity.this, "提示", Result.sResult + "，如有疑问请联系卖座客服：4001808400", R.drawable.infoicon);

                    }

                }

            }

            };*/

/**---------------生成支付串码的过程  begin---------------**/

         Log.i( "ExternalPartner" , "onItemClick" );

         String info = getNewOrderInfo(position);

         //其实下面的操作应该是server端去完成.不然我们会暴露privatekey---begin---add_by_billy

         //所有我们会把info的具体内容用jsonString的形式.post给server进行签名.然后返回签名后的结果---add_by_billy

         String sign = Rsa.sign(info, Keys.PRIVATE);

         sign = URLEncoder.encode(sign);

         info += "&sign="" + sign + ""&" + getSignType();

         Log.i( "ExternalPartner" , "start pay" );

         // start the pay.

         Log.i(TAG, "info = " + info);

         //其实下面的操作应该是server端去完成.不然我们会暴露privatekey---end---add_by_billy

         final String orderInfo = info;

         /**---------------生成支付串码的过程  end---------------**/

//拿着支付串码

         System.out.println( "alipayVerifyKey:" + alipayVerifyKey);

         //    3.调用第三方服务,完成支付

         // “00” – 银联正式环境

         // “01” – 银联测试环境，该环境中不发生真实交易

         //tn 交易流水号 

         UPPayAssistEx.startPayByJAR(MainActivity. this , PayActivity. class , null , null ,

                 alipayVerifyKey, "00" );

/**---------------银联处理支付结果---------------**/

          protected void onActivityResult( int requestCode, int resultCode, Intent data) {

          /*************************************************

           *

           * 步骤4：处理银联手机支付控件返回的支付结果

           *

           ************************************************/

          if (data == null ) {

              return ;

          }

  

          String msg = "" ;

          /*

           * 支付控件返回字符串:success、fail、cancel 分别代表支付成功，支付失败，支付取消

           */

          String str = data.getExtras().getString( "pay_result" );

          if (str.equalsIgnoreCase( "success" )) {

              msg = "支付成功！" ;

          } else if (str.equalsIgnoreCase( "fail" )) {

              msg = "支付失败！" ;

          } else if (str.equalsIgnoreCase( "cancel" )) {

              msg = "用户取消了支付" ;

          }

  

          AlertDialog.Builder builder = new AlertDialog.Builder( this );

          builder.setTitle( "支付结果通知" );

          builder.setMessage(msg);

          builder.setInverseBackgroundForced( true );

          // builder.setCustomTitle();

          builder.setNegativeButton( "确定" , new DialogInterface.OnClickListener() {

              @Override

              public void onClick(DialogInterface dialog, int which) {

                  dialog.dismiss();

              }

          });

          builder.create().show();

          }

/**

            * @author Administrator

            * 支付的时候真正关心的数据

            * 这个对象是我自己封装的.和微信支付的sdk没有关系

            */

           public class WXPayData {

           private String sign_method;

           private String timestamp;

           private String noncestr;

           private String partnerid;

           private String app_signature;

           private String prepayid;

           private String package1;

           private String appid;

           }

           

           //核心支付方法

           private void sendPayReq(WXPayData info) {

           api = WXAPIFactory.createWXAPI( this , info.getAppid());

           PayReq req = new PayReq();

           req.appId = info.getAppid();

           req.partnerId = info.getPartnerid();

           req.prepayId = info.getPrepayid(); //预支付id

           req.nonceStr = info.getNoncestr(); //32位内的随机串，防重发

           req.timeStamp = String.valueOf(info.getTimestamp()); //时间戳，为 1970 年 1 月 1 日 00:00 到请求发起时间的秒数

           req.packageValue = info.getPackage1();

           req.sign = info.getApp_signature();

           // 在支付之前，如果应用没有注册到微信，应该先调用IWXMsg.registerApp将应用注册到微信

           api.sendReq(req);

   }

@Override

           public void onResp(BaseResp resp) {

           Log.d(TAG, "onPayFinish, errCode = " + resp.errCode);

   

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

               AlertDialog.Builder builder = new AlertDialog.Builder( this );

               builder.setTitle(R.string.app_tip);

               builder.setMessage(getString(R.string.pay_result_callback_msg, String.valueOf(resp.errCode)));

               builder.show();

           }

           }