public void CombineJsapiPrepay() throws Exception{

  //請求URL
  HttpPost httpPost = new HttpPost("https://api.mch.weixin.qq.com/v3/combine-transactions/jsapi");
  // 請求body參數(shù)
  String reqdata = "{"
          + "\"combine_out_trade_no\":\"1217752501201407033233368018\","
          + "\"combine_mchid\":\"1230000109\","
          + "\"combine_appid\":\"wxd678efh567hg6787\","
          + "\"scene_info\": {"
          + "\"device_id\":\"POS1:1\","
          + "\"payer_client_ip\":\"14.17.22.32\""
          + "},"
          + "\"sub_orders\": ["
          + "{"
          + "\"mchid\":\"1230000109\","
          + "\"attach\":\"深圳分店\","
          + "\"amount\": {"
          + "\"total_amount\":10,"
          + "\"currency\":\"CNY\""
          + "},"
          + "\"out_trade_no\":\"20150806125346\","
          + "\"sub_mchid\":\"1900000109\","
          + "\"description\":\"騰訊充值中心-QQ會員充值\""
          + "}"
          + "],"
          + "\"combine_payer_info\": {"
          + "\"openid\":\"oUpF8uMuAJO_M2pxb1Q9zNjWeS6o\""
          + "},"
          + "\"time_start\":\"2018-06-08T10:34:56+08:00\","
          + "\"time_expire\":\"2018-06-08T10:34:56+08:00\","
          + "\"notify_url\":\"https://yourapp.com/notify\""
          + "}";
  StringEntity entity = new StringEntity(reqdata,"utf-8");
  entity.setContentType("application/json");
  httpPost.setEntity(entity);
  httpPost.setHeader("Accept", "application/json");

  //完成簽名并執(zhí)行請求
  CloseableHttpResponse response = httpClient.execute(httpPost);

  try {
      int statusCode = response.getStatusLine().getStatusCode();
      if (statusCode == 200) { //處理成功
          System.out.println("success,return body = " + EntityUtils.toString(response.getEntity()));
      } else if (statusCode == 204) { //處理成功，無返回Body
          System.out.println("success");
      } else {
          System.out.println("failed,resp code = " + statusCode+ ",return body = " + EntityUtils.toString(response.getEntity()));
          throw new IOException("request failed");
      }
  } finally {
      response.close();
  }
}
                      

function onBridgeReady() {
    WeixinJSBridge.invoke('getBrandWCPayRequest', {
        "appId": "wx2421b1c4370ecxxx",    //公眾號ID，由商戶傳入
        "timeStamp": "1395712654",     //時間戳，自1970年以來的秒數(shù)
        "nonceStr": "e61463f8efa94090b1f366cccfbbb444",  //隨機串
        "package": "prepay_id=up_wx21201855730335ac86f8c43d1889123400",
        "signType": "RSA",    //微信簽名方式：
        "paySign": "oR9d8PuhnIc+YZ8cBHFCwfgpaK9gd7vaRvkYD7rthRAZ\/X+QBhcCYL21N7cHCTUxbQ+EAt6Uy+lwSN22f5YZvI45MLko8Pfso0jm46v5hqcVwrk6uddkGuT+Cdvu4WBqDzaDjnNa5UK3GfE1Wfl2gHxIIY5lLdUgWFts17D4WuolLLkiFZV+JSHMvH7eaLdT9N5GBovBwu5yYKUR7skR8Fu+LozcSqQixnlEZUfyE55feLOQTUYzLmR9pNtPbPsu6WVhbNHMS3Ss2+AehHvz+n64GDmXxbX++IOBvm2olHu3PsOUGRwhudhVf7UcGcunXt8cqNjKNqZLhLw4jq\/xDg==" //微信簽名
    },
    function(res) {
        if (res.err_msg == "get_brand_wcpay_request:ok") {
            // 使用以上方式判斷前端返回,微信團隊鄭重提示：
            //res.err_msg將在用戶支付成功后返回ok，但并不保證它絕對可靠。
        }
    });
}
if (typeof WeixinJSBridge == "undefined") {
    if (document.addEventListener) {
        document.addEventListener('WeixinJSBridgeReady', onBridgeReady, false);
    } else if (document.attachEvent) {
        document.attachEvent('WeixinJSBridgeReady', onBridgeReady);
        document.attachEvent('onWeixinJSBridgeReady', onBridgeReady);
    }
} else {
    onBridgeReady();
}
                    

PayReq *request = [[[PayReq alloc] init] autorelease];

request.partnerId = @"10000100";

request.prepayId= @"1101000000140415649af9fc314aa427";

request.package = @"Sign=WXPay";

request.nonceStr= @"a462b76e7436e98e0ed6e13c64b4fd1c";

request.timeStamp= @"1397527777";

request.sign= @"582282D72DD2B03AD892830965F428CB16E7A256";

[WXApi sendReq：request]
                    

-(void)onResp：(BaseResp*)resp{

  if ([respisKindOfClass：[PayRespclass]]){

      PayResp*response=(PayResp*)resp;

      switch(response.errCode){

                  caseWXSuccess： //服務(wù)器端查詢支付通知或查詢API返回的結(jié)果再提示成功

                           NSlog(@"支付成功");

                  break;

                  default：

                           NSlog(@"支付失敗，retcode=%d",resp.errCode);

                  break;

        }

   }

}
                    

IWXAPI api;

PayReq request = new PayReq();

request.appId = "wxd930ea5d5a258f4f";

request.partnerId = "1900000109";

request.prepayId= "1101000000140415649af9fc314aa427",;

request.packageValue = "Sign=WXPay";

request.nonceStr= "1101000000140429eb40476f8896f4c9";

request.timeStamp= "1398746574";

request.sign= "7FFECB600D7157C5AA49810D2D8F28BC2811827B";

api.sendReq(request);
                    

publicvoidonResp(BaseRespresp){

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

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

    AlertDialog.Builderbuilder=newAlertDialog.Builder(this);

    builder.setTitle(R.string.app_tip);

    }

}
                    

wx.requestPayment(
{
"timeStamp": "1414561699",
"nonceStr": "5K8264ILTKCH16CQ2502SI8ZNMTM67VS",
"package": "prepay_id=wx201410272009395522657a690389285100",
"signType": "RSA",
"paySign": "oR9d8PuhnIc+YZ8cBHFCwfgpaK9gd7vaRvkYD7rthRAZ\/X+QBhcCYL21N7cHCTUxbQ+EAt6Uy+lwSN22f5YZvI45MLko8Pfso0jm46v5hqcVwrk6uddkGuT+Cdvu4WBqDzaDjnNa5UK3GfE1Wfl2gHxIIY5lLdUgWFts17D4WuolLLkiFZV+JSHMvH7eaLdT9N5GBovBwu5yYKUR7skR8Fu+LozcSqQixnlEZUfyE55feLOQTUYzLmR9pNtPbPsu6WVhbNHMS3Ss2+AehHvz+n64GDmXxbX++IOBvm2olHu3PsOUGRwhudhVf7UcGcunXt8cqNjKNqZLhLw4jq\/xDg==",
"success":function(res){},
"fail":function(res){},
"complete":function(res){}
})
                    

public void QueryOrder() throws Exception {

  //請求URL
  URIBuilder uriBuilder = new URIBuilder("https://api.mch.weixin.qq.com/v3/combine-transactions/out-trade-no/P11093730578574");
  uriBuilder.setParameter("mchid", mchId);

  //完成簽名并執(zhí)行請求
  HttpGet httpGet = new HttpGet(uriBuilder.build());
  httpGet.addHeader("Accept", "application/json");
  CloseableHttpResponse response = httpClient.execute(httpGet);

  try {
      int statusCode = response.getStatusLine().getStatusCode();
      if (statusCode == 200) {
          System.out.println("success,return body = " + EntityUtils.toString(response.getEntity()));
      } else if (statusCode == 204) {
          System.out.println("success");
      } else {
          System.out.println("failed,resp code = " + statusCode+ ",return body = " + EntityUtils.toString(response.getEntity()));
          throw new IOException("request failed");
      }
  } finally {
      response.close();
  }
}

public void CombineCloseOrder() throws Exception{

  //請求URL
  HttpPost httpPost = new HttpPost("https://api.mch.weixin.qq.com/v3/combine-transactions/out-trade-no/{combine_out_trade_no}/close");
  // 請求body參數(shù)
  String reqdata = "{"
          + "\"combine_appid \":\"wxd678efh567hg6787\","
          + "\"combine_out_trade_no\":\"P20150806125346\","
          + "\"sub_orders\": ["
          + "{"
          + "\"mchid\":\"1900000109\","
          + "\"out_trade_no\":\"20150806125346\","
          + "\"sub_mchid\":\"1230000109\","
          + "\"description\":\"騰訊充值中心-QQ會員充值\""
          + "}"
          + "]"
          + "}";
  StringEntity entity = new StringEntity(reqdata,"utf-8");
  entity.setContentType("application/json");
  httpPost.setEntity(entity);
  httpPost.setHeader("Accept", "application/json");

  //完成簽名并執(zhí)行請求
  CloseableHttpResponse response = httpClient.execute(httpPost);

  try {
      int statusCode = response.getStatusLine().getStatusCode();
      if (statusCode == 200) { //處理成功
          System.out.println("success,return body = " + EntityUtils.toString(response.getEntity()));
      } else if (statusCode == 204) { //處理成功，無返回Body
          System.out.println("success");
      } else {
          System.out.println("failed,resp code = " + statusCode+ ",return body = " + EntityUtils.toString(response.getEntity()));
          throw new IOException("request failed");
      }
  } finally {
      response.close();
  }
}

public void TradeBill() throws Exception {

  //請求URL
  URIBuilder uriBuilder = new URIBuilder("https://api.mch.weixin.qq.com/v3/bill/tradebill");
  uriBuilder.setParameter("bill_date", "2020-11-09");
  uriBuilder.setParameter("bill_type", "ALL");

  //完成簽名并執(zhí)行請求
  HttpGet httpGet = new HttpGet(uriBuilder.build());
  httpGet.addHeader("Accept", "application/json");
  CloseableHttpResponse response = httpClient.execute(httpGet);

  try {
      int statusCode = response.getStatusLine().getStatusCode();
      if (statusCode == 200) {
          System.out.println("success,return body = " + EntityUtils.toString(response.getEntity()));
      } else if (statusCode == 204) {
          System.out.println("success");
      } else {
          System.out.println("failed,resp code = " + statusCode+ ",return body = " + EntityUtils.toString(response.getEntity()));
          throw new IOException("request failed");
      }
  } finally {
      response.close();
  }
}
                    

public void DownloadUrl(String download_url) throws Exception{
  PrivateKey merchantPrivateKey = PemUtil.loadPrivateKey(new ByteArrayInputStream(privateKey.getBytes("utf-8")));

  //初始化httpClient
  //該接口無需進行簽名驗證、通過withValidator((response) -> true)實現(xiàn)
  httpClient =  WechatPayHttpClientBuilder.create().withMerchant(mchId, mchSerialNo, merchantPrivateKey).withValidator((response) -> true).build();

  //請求URL
  //賬單文件的下載地址的有效時間為30s
  URIBuilder uriBuilder = new URIBuilder(download_url);
  HttpGet httpGet = new HttpGet(uriBuilder.build());
  httpGet.addHeader("Accept", "application/json");

  //執(zhí)行請求
  CloseableHttpResponse response = httpClient.execute(httpGet);
  try {
      int statusCode = response.getStatusLine().getStatusCode();
      if (statusCode == 200) {
          System.out.println("success,return body = " + EntityUtils.toString(response.getEntity()));
      } else if (statusCode == 204) {
          System.out.println("success");
      } else {
          System.out.println("failed,resp code = " + statusCode+ ",return body = " + EntityUtils.toString(response.getEntity()));
          throw new IOException("request failed");
      }
  } finally {
      response.close();
  }
}