準(zhǔn)備

需求

需求就是最簡單的對接支付寶支付接口

方案心路歷程

簡單用http對接一下，不過想了一下覺得第三方提供的SDK總是不用，所以打算嘗試一下

支付寶新版SDK，從文檔到git再安裝到使用，然后放棄，【文檔不詳、部分接口不完善】沒辦法

支付寶老版SDK，下載引入包裝一氣呵成

實(shí)操

支付寶后臺配置

登錄支付寶后臺—進(jìn)入后臺—點(diǎn)擊能力管理—查看已獲取能力(手機(jī)網(wǎng)站支付)–!沒有的話可以點(diǎn)擊獲取更多能力申請—然后點(diǎn)擊管理進(jìn)入

綁定應(yīng)用—保存好appid

接著點(diǎn)擊密鑰管理—進(jìn)入賬戶中心—點(diǎn)擊開放平臺密鑰—設(shè)置接口加簽方式

下載支付寶開發(fā)工具

生成密鑰保存好應(yīng)用私鑰公鑰—復(fù)制應(yīng)用鑰在剛剛的加簽管理彈窗粘貼—保存設(shè)置—然后就會彈出支付寶公鑰—復(fù)制保存

點(diǎn)擊開發(fā)工具密鑰—粘貼應(yīng)用公鑰—設(shè)置本地ip與生產(chǎn)環(huán)境ip白名單

到這里支付寶后臺的配置就完成了

編碼

下載SDK—放入項(xiàng)目中

這里我們使用的是laravel框架為例

直接附上demo code

可以同時(shí)參考支付寶接口文檔

<?php namespace App\Services\Support\Ali; require_once 'aop/AopClient.php'; // 引入SDK類 require_once 'aop/request/AlipayTradeWapPayRequest.php'; // 引入SDK類 use Illuminate\Support\Facades\Log; class Alipay {public function __construct(){// 配置SDK$this->baseUrl = config('ali.alipay.baseUrl');$this->appid = config('ali.alipay.appid');$this->privateKey = config('ali.alipay.privateKey');$this->publicKey = config('ali.alipay.publicKey');$this->aliPublicKey = config('ali.alipay.aliPublicKey');$this->sign_type = "RSA2";$this->charset = "utf-8";}public function wapPay($options){$aop = new \AopClient();$aop->gatewayUrl = $this->baseUrl . 'gateway.do';$aop->appId = $this->appid;$aop->rsaPrivateKey = $this->privateKey;$aop->alipayrsaPublicKey = $this->aliPublicKey;$aop->apiVersion = '1.0';$aop->signType = 'RSA2';$aop->postCharset = 'utf-8';$aop->format = 'json';$request = new \AlipayTradeWapPayRequest();// 配置支付信息$request->setReturnUrl($options['returnUrl']);$request->setNotifyUrl($options['notifyUrl']);$content = ["subject" => $options['subject'],"out_trade_no" => $options['outTradeNo'],"total_amount" => $options['totalAmount'],"quit_url" => $options['quitUrl'],"product_code" => "QUICK_WAP_PAY",];$bizContent = json_encode($content);$request->setBizContent($bizContent);$result = $aop->pageExecute($request);// 創(chuàng)建支付訂單，返回支付頁面的Form// Log::info("Alipay->wapPay():result: $result");return $result;} }

服務(wù)入口

<?php namespace App\Services; use App\Services\Support\Ali\Alipay; class Ali {public function __construct(){}public function alipay(){return new Alipay();} }

路由入口

<?php namespace App\Http\Controllers; use App\Services\Ali; use App\Utils\Common\DataHandle; class TestController extends Controller {public function test(){$systemSlug = 'test';return response()->json((new Ali())->alipay()->wapPay(["subject" => '支付測試',"totalAmount" => 0.01,'outTradeNo' => sprintf("%s_%s_%s", $systemSlug, time(), DataHandle::strRandom(17, 'key')), // 自定義'timestamp' => date('Y-m-d H:i:s'),'quitUrl' => config('ali.alipay.quitUrl'),'returnUrl' => config('ali.alipay.returnUrl'),'notifyUrl' => config('ali.alipay.notifyUrl') . 100,]));} }

SDK返回的form內(nèi)容

<form id='alipaysubmit' name='alipaysubmit' action='https://openapi.alipay.com/gateway.do?charset=utf-8' method='POST'><input type='hidden' name='biz_content' value='{\"subject\":\"test\",\"out_trade_no\":\"test_1623329685_lpfbl1dan16dd5xw2\",\"total_amount\":0.01,\"quit_url\":\"xxx\",\"product_code\":\"QUICK_WAP_PAY\"}'/><input type='hidden' name='app_id' value='xxx'/><input type='hidden' name='version' value='1.0'/><input type='hidden' name='format' value='json'/><input type='hidden' name='sign_type' value='RSA2'/><input type='hidden' name='method' value='alipay.trade.wap.pay'/><input type='hidden' name='timestamp' value='2021-06-10 20:54:45'/><input type='hidden' name='alipay_sdk' value='alipay-sdk-PHP-4.11.14.ALL'/><input type='hidden' name='notify_url' value='xxx'/><input type='hidden' name='return_url' value='xxx'/><input type='hidden' name='charset' value='utf-8'/><input type='hidden' name='sign' value='xxx'/><input type='submit' value='ok' style='display:none;''></form><script>document.forms['alipaysubmit'].submit();</script>

前端處理form，我這里使用的是uniapp，這個(gè)東西也踩了我很多坑

this.$http.post({path: "test",dontShowToast: true,errData: true,data: data, }).then((res) => {if (this.alipay) {//將接口返回的Form表單顯示到頁面document.querySelector("body").innerHTML = res.data;//調(diào)用submit 方法document.forms[0].submit();}console.log(res.message);this.submitSuccess(); })

效果

異步處理結(jié)果

<?php namespace App\Http\Controllers\Api; use App\Http\Controllers\Api\Controller; use App\Payorder; use App\Services\Ali; use Illuminate\Support\Facades\DB; use Illuminate\Support\Facades\Log; class NotifyController extends Controller {public function payCall($payType){try {switch ($payType) {case 100:// 支付寶手機(jī)網(wǎng)站支付$data = $_POST;// 異步回調(diào)驗(yàn)簽if (!(new Ali())->alipay()->signCheck($data)) {Log::error("fails for notify, 驗(yàn)簽失敗 data: " . json_encode($data));return $this->rsp(403, []);}$orderId = $data['out_trade_no'];$statusMapState = ['WAIT_BUYER_PAY' => 0, // 交易創(chuàng)建，等待買家付款。'TRADE_CLOSED' => -1, // 在指定時(shí)間段內(nèi)未支付時(shí)關(guān)閉的交易或在交易完成全額退款成功時(shí)關(guān)閉的交易。'TRADE_SUCCESS' => 1, // 商戶簽約的產(chǎn)品支持退款功能的前提下，買家付款成功。'TRADE_FINISHED' => 2, // 商戶簽約的產(chǎn)品不支持退款功能的前提下，買家付款成功；或者，商戶簽約的產(chǎn)品支持退款功 能的前提下，交易已經(jīng)成功并且已經(jīng)超過可退款期限。];$state = $statusMapState[$data['trade_status']];break;default:return $this->rsp(403, []);}} catch (\Exception $e) {Log::error("fails for notify, $e");return $this->rsp(403, []);}DB::beginTransaction();// 支付完成操作$payorder = Payorder::where(['order_id' => $orderId, 'state' => 0])->first();if (!$payorder) {DB::rollBack();return $this->rsp(400, [], '參數(shù)錯(cuò)誤');}$payorder->notifyData = $data;$payorder->state = $state;$payorder->save();DB::commit();return $this->rsp(0, []);} }

這個(gè)demo中只是簡單的記錄支付結(jié)果我配置的異步回調(diào)url是https://xxx/api/notify/payCall/{paytype}

踩坑

laravel與aop沖突

laravel中引入aop會導(dǎo)致框架自定義函數(shù)與SDK沖突，這里我們需要手動(dòng)修改SDK源碼

將原本的encrypt和decrypt函數(shù)名修改成自定義的名字，我這里修改為alipayEncrpt和alipayDecrypt

然后把使用到這兩個(gè)函數(shù)的源碼也一并修改

我這里是已經(jīng)修改好之后的

支付完成同步回調(diào)失效

在使用SDK中的alipay.trade.wap.pay接口時(shí)遇到了同步回調(diào)失效問題

跟蹤問題

在上面的代碼中是已經(jīng)設(shè)置了同步回調(diào)和異步回調(diào)配置的，這里忍不住吐槽一下支付寶文檔，找不到在哪里可以配置這兩個(gè)參數(shù)

這是支付寶的請求實(shí)例代碼

$aop = new AopClient (); $aop->gatewayUrl = 'https://openapi.alipay.com/gateway.do'; $aop->appId = 'your app_id'; $aop->rsaPrivateKey = '請?zhí)顚戦_發(fā)者私鑰去頭去尾去回車，一行字符串'; $aop->alipayrsaPublicKey='請?zhí)顚懼Ц秾毠€，一行字符串'; $aop->apiVersion = '1.0'; $aop->signType = 'RSA2'; $aop->postCharset='GBK'; $aop->format='json'; $request = new AlipayTradeWapPayRequest (); $request->setBizContent("{" . "\"body\":\"Iphone6 16G\"," . "\"subject\":\"大樂透\"," . "\"out_trade_no\":\"70501111111S001111119\"," . "\"timeout_express\":\"90m\"," . "\"time_expire\":\"2016-12-31 10:05\"," . "\"total_amount\":9.00," . "\"auth_token\":\"appopenBb64d181d0146481ab6a762c00714cC27\"," . "\"goods_type\":\"0\"," . "\"quit_url\":\"http://www.taobao.com/product/113714.html\"," . "\"passback_params\":\"merchantBizType%3d3C%26merchantBizNo%3d2016010101111\"," . "\"product_code\":\"QUICK_WAP_PAY\"," . "\"promo_params\":\"{\\\"storeIdType\\\":\\\"1\\\"}\"," . "\"extend_params\":{" . "\"sys_service_provider_id\":\"2088511833207846\"," . "\"hb_fq_num\":\"3\"," . "\"hb_fq_seller_percent\":\"100\"," . "\"industry_reflux_info\":\"{\\\\\\\"scene_code\\\\\\\":\\\\\\\"metro_tradeorder\\\\\\\",\\\\\\\"channel\\\\\\\":\\\\\\\"xxxx\\\\\\\",\\\\\\\"scene_data\\\\\\\":{\\\\\\\"asset_name\\\\\\\":\\\\\\\"ALIPAY\\\\\\\"}}\"," . "\"card_type\":\"S0JP0000\"," . "\"specified_seller_name\":\"XXX的跨境小鋪\"" . " }," . "\"merchant_order_no\":\"20161008001\"," . "\"enable_pay_channels\":\"pcredit,moneyFund,debitCardExpress\"," . "\"disable_pay_channels\":\"pcredit,moneyFund,debitCardExpress\"," . "\"store_id\":\"NJ_001\"," . " \"goods_detail\":[{" . " \"goods_id\":\"apple-01\"," . "\"alipay_goods_id\":\"20010001\"," . "\"goods_name\":\"ipad\"," . "\"quantity\":1," . "\"price\":2000," . "\"goods_category\":\"34543238\"," . "\"categories_tree\":\"124868003|126232002|126252004\"," . "\"body\":\"特價(jià)手機(jī)\"," . "\"show_url\":\"http://www.alipay.com/xxx.jpg\"" . " }]," . "\"specified_channel\":\"pcredit\"," . "\"business_params\":\"{\\\"data\\\":\\\"123\\\"}\"," . "\"ext_user_info\":{" . "\"name\":\"李明\"," . "\"mobile\":\"16587658765\"," . "\"cert_type\":\"IDENTITY_CARD\"," . "\"cert_no\":\"362334768769238881\"," . "\"min_age\":\"18\"," . "\"fix_buyer\":\"F\"," . "\"need_check_info\":\"F\"" . " }" . " }"); $result = $aop->pageExecute ( $request); $responseNode = str_replace(".", "_", $request->getApiMethodName()) . "_response"; $resultCode = $result->$responseNode->code; if(!empty($resultCode)&&$resultCode == 10000){ echo "成功"; } else { echo "失敗"; }

不過通過查看AlipayTradeWapPayRequest我找到了這兩個(gè)函數(shù)

但是這反而讓我迷失自我了，同步回調(diào)url已經(jīng)設(shè)置好了，那么為什么還會失效呢？？

百度了一圈，并沒有找到問題

emmm…

接著，終于發(fā)現(xiàn)問題關(guān)鍵點(diǎn)，我習(xí)慣保留第三方對接的上下文，回來查看SDK給我返回的form

我發(fā)現(xiàn)SDK給我返回的form有notify_url但是并沒有return_url`這個(gè)input，上圖是修復(fù)問題后的返回結(jié)果

于是我又回去看SDK源碼

這里附上完整的AopClient類中的pageExecute函數(shù)

<?phprequire_once 'AopEncrypt.php'; require_once 'EncryptParseItem.php'; require_once 'EncryptResponseData.php'; require_once 'SignData.php';class AopClient {...public function pageExecute($request, $httpmethod = "POST", $appAuthToken = null){$this->setupCharsets($request);if (strcasecmp($this->fileCharset, $this->postCharset)) {// writeLog("本地文件字符集編碼與表單提交編碼不一致，請務(wù)必設(shè)置成一樣，屬性名分別為postCharset!");throw new Exception("文件編碼：[" . $this->fileCharset . "] 與表單提交編碼：[" . $this->postCharset . "]兩者不一致!");}$iv = null;if (!$this->checkEmpty($request->getApiVersion())) {$iv = $request->getApiVersion();} else {$iv = $this->apiVersion;}//組裝系統(tǒng)參數(shù)$sysParams["app_id"] = $this->appId;$sysParams["version"] = $iv;$sysParams["format"] = $this->format;$sysParams["sign_type"] = $this->signType;$sysParams["method"] = $request->getApiMethodName();$sysParams["timestamp"] = date("Y-m-d H:i:s");$sysParams["alipay_sdk"] = $this->alipaySdkVersion;if (!$this->checkEmpty($request->getTerminalType())) {$sysParams["terminal_type"] = $request->getTerminalType();}if (!$this->checkEmpty($request->getTerminalInfo())) {$sysParams["terminal_info"] = $request->getTerminalInfo();}if (!$this->checkEmpty($request->getProdCode())) {$sysParams["prod_code"] = $request->getProdCode();}if (!$this->checkEmpty($request->getNotifyUrl())) {$sysParams["notify_url"] = $request->getNotifyUrl();}$sysParams["charset"] = $this->postCharset;if (!$this->checkEmpty($appAuthToken)) {$sysParams["app_auth_token"] = $appAuthToken;}//獲取業(yè)務(wù)參數(shù)$apiParams = $request->getApiParas();if (method_exists($request, "getNeedEncrypt") && $request->getNeedEncrypt()) {$sysParams["encrypt_type"] = $this->encryptType;if ($this->checkEmpty($apiParams['biz_content'])) {throw new Exception(" api request Fail! The reason : encrypt request is not supperted!");}if ($this->checkEmpty($this->encryptKey) || $this->checkEmpty($this->encryptType)) {throw new Exception(" encryptType and encryptKey must not null! ");}if ("AES" != $this->encryptType) {throw new Exception("加密類型只支持AES");}// 執(zhí)行加密$enCryptContent = alipayEncrypt($apiParams['biz_content'], $this->encryptKey);$apiParams['biz_content'] = $enCryptContent;}//print_r($apiParams);$totalParams = array_merge($apiParams, $sysParams);//待簽名字符串$preSignStr = $this->getSignContent($totalParams);//簽名$totalParams["sign"] = $this->generateSign($totalParams, $this->signType);if ("GET" == strtoupper($httpmethod)) {//value做urlencode$preString = $this->getSignContentUrlencode($totalParams);//拼接GET請求串$requestUrl = $this->gatewayUrl . "?" . $preString;return $requestUrl;} else {//拼接表單字符串return $this->buildRequestForm($totalParams);}}... }

看完，同志們發(fā)現(xiàn)什么了嗎？？？

有設(shè)置notify_url參數(shù)，并沒有設(shè)置return_url的代碼，what??

恕我愚昧，我不知道這算不算bug，不過在我的demo里的確是同步回調(diào)失敗

最后，修改為以上代碼，解決問題

總結(jié)

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