最近因?yàn)閷０钢貥?gòu)的原因，對(duì)百度支付重新進(jìn)行了編寫封裝，本次重寫，添加了對(duì)簽名的處理、添加用戶退款，方便之後開發(fā)的使用。
因?yàn)榘俣入娚涕_放平臺(tái)的升級(jí)，支付功能已移至智慧小程式內(nèi)部，具體申請(qǐng)流程：百度收銀臺(tái)支付開通指引，（https://smartprogram.baidu.com/docs/operations /transform/pay/）
（註：在支付服務(wù)中，服務(wù)電話應(yīng)填寫銀行預(yù)留手機(jī)號(hào)，如填寫錯(cuò)誤報(bào)【銀行預(yù)留手機(jī)號(hào)碼格式校驗(yàn)不通過】）
百度付款文件：百度收銀臺(tái)介面2.0（https://smartprogram.baidu.com/docs/develop/function/tune_up_2.0/）
#一、申請(qǐng)通過後，填寫百度付款相關(guān)配置：
$config = array(
'deal_id' => '', // 百度收銀臺(tái)的財(cái)務(wù)結(jié)算憑證
'app_key' => '', // 表示應(yīng)用身份的唯一ID
'private_key' => '', // 私鑰原始字符串
'public_key' => '', // 平臺(tái)公鑰
'notify_url' => '', // 支付回調(diào)地址
);二、呼叫封裝的支付方法，將回傳訊息，傳遞到百度小程式
<?php
include './BaiduPay.php';
$baidupay = new \feng\BaiduPay($config);
$order_sn = time().rand(1000,9999);
$order = array(
'body' => '測(cè)試商品', // 產(chǎn)品描述
'total_amount' => '1', // 訂單金額（分）
'order_sn' => $order_sn, // 訂單編號(hào)
);
$re = $baidupay->xcxPay($order);
die(json_encode($re)); // JSON化直接返回小程序客戶端
PHP小程式支付類別xcxPay:
/**
* [xcxPay 百度小程序支付]
* @param [type] $order [訂單信息數(shù)組]
* @return [type] [description]
* $order = array(
* 'body' => '', // 產(chǎn)品描述
* 'total_amount' => '', // 訂單金額（分）
* 'order_sn' => '', // 訂單編號(hào)
* );
*/
public static function xcxPay($order)
{
if(!is_array($order) || count($order) < 3)
die("數(shù)組數(shù)據(jù)信息缺失！");
$config = self::$config;
$requestParamsArr = array(
'appKey' => $config['app_key'],
'dealId' => $config['deal_id'],
'tpOrderId' => $order['order_sn'],
'totalAmount' => $order['total_amount'],
);
$rsaSign = self::makeSign($requestParamsArr, $config['private_key']); // 聲稱百度支付簽名
$bizInfo = array(
'tpData' => array(
"appKey" => $config['app_key'],
"dealId" => $config['deal_id'],
"tpOrderId" => $order['order_sn'],
"rsaSign" => $rsaSign,
"totalAmount" => $order['total_amount'],
"returnData" => '',
"displayData" => array(
"cashierTopBlock" => array(
array(
[ "leftCol" => "訂單名稱", "rightCol" => $order['body'] ],
[ "leftCol" => "數(shù)量", "rightCol" => "1" ],
[ "leftCol" => "訂單金額", "rightCol" => $order['total_amount'] ]
),
array(
[ "leftCol" => "服務(wù)地址", "rightCol" => "北京市海淀區(qū)上地十街10號(hào)百度大廈" ],
[ "leftCol" => "服務(wù)時(shí)間", "rightCol" => "2018/10/29 14:51" ],
[ "leftCol" => "服務(wù)人員", "rightCol" => "百度App" ]
)
)
),
"dealTitle" => $order['body'],
"dealSubTitle" => $order['body'],
"dealThumbView" => "https://b.bdstatic.com/searchbox/icms/searchbox/img/swan-logo.png",
),
"orderDetailData" => ''
);
$bdOrder = array(
'dealId' => $config['deal_id'],
'appKey' => $config['app_key'],
'totalAmount' => $order['total_amount'],
'tpOrderId' => $order['order_sn'],
'dealTitle' => $order['body'],
'signFieldsRange' => 1,
'rsaSign' => $rsaSign,
'bizInfo' => json_encode($bizInfo),
);
return $bdOrder;
}三、百度智能小程式端的使用
SWAN
<view class="wrap">
<view class="card-area">
<button bind:tap="requestPolymerPayment" type="primary" hover-stop-propagation="true">支付0.01元</button>
</view>
</view>
HTMLJS
Page({
requestPolymerPayment(e) {
swan.request({
url: 'https://mbd.baidu.com/xxx', // 僅為示例，并非真實(shí)的接口地址，開發(fā)者從真實(shí)接口獲取orderInfo的值
success: res => {
res.data.data.dealTitle = '百度小程序Demo支付測(cè)試';
let data = res.data;
if (data.errno !== 0) {
console.log('create order err', data);
return;
}
swan.requestPolymerPayment({
orderInfo: data.data,
success: res => {
swan.showToast({
title: '支付成功',
icon: 'success'
});
console.log('pay success', res);
},
fail: err => {
swan.showToast({
title: err.errMsg,
icon: 'none'
});
console.log('pay fail', err);
}
});
},
fail: err => {
swan.showToast({
title: '訂單創(chuàng)建失敗',
icon: 'none'
});
console.log('create order fail', err);
}
});
}
});四、支付回呼
<?php
include './BaiduPay.php';
$baidupay = new \feng\BaiduPay($config);
$re = $baidupay->notify();
if ($re) {
// 這里回調(diào)處理訂單操作
// 以驗(yàn)證返回支付成功后的信息，可直接對(duì)訂單進(jìn)行操作，已通知微信支付成功
$baidupay->success(); // 支付返還成功，通知結(jié)果
} else {
// 支付失敗
$baidupay->error(); // 支付失敗，返回狀態(tài)（無論支付成功與否都需要通知百度）
}百度完整支付類別（BaiduPay.php），包含小程式支付、驗(yàn)簽、回呼、退款：
<?php
/**
* @Author: [FENG] <1161634940@qq.com>
* @Date: 2020-09-27T16:28:31+08:00
* @Last Modified by: [FENG] <1161634940@qq.com>
* @Last Modified time: 2020-10-15T10:23:07+08:00
*/
namespace feng;
class BaiduPay
{
private static $config = array(
'deal_id' => '', // 百度收銀臺(tái)的財(cái)務(wù)結(jié)算憑證
'app_key' => '', // 表示應(yīng)用身份的唯一ID
'private_key' => '', // 私鑰原始字符串
'public_key' => '', // 平臺(tái)公鑰
'notify_url' => '', // 支付回調(diào)地址
);
/**
* [__construct 構(gòu)造函數(shù)]
* @param [type] $config [傳遞支付相關(guān)配置]
*/
public function __construct($config=NULL){
$config && self::$config = $config;
}
/**
* [xcxPay 百度小程序支付]
* @param [type] $order [訂單信息數(shù)組]
* @return [type] [description]
* $order = array(
* 'body' => '', // 產(chǎn)品描述
* 'total_amount' => '', // 訂單金額（分）
* 'order_sn' => '', // 訂單編號(hào)
* );
*/
public static function xcxPay($order)
{
if(!is_array($order) || count($order) < 3)
die("數(shù)組數(shù)據(jù)信息缺失！");
$config = self::$config;
$requestParamsArr = array(
'appKey' => $config['app_key'],
'dealId' => $config['deal_id'],
'tpOrderId' => $order['order_sn'],
'totalAmount' => $order['total_amount'],
);
$rsaSign = self::makeSign($requestParamsArr, $config['private_key']); // 聲稱百度支付簽名
$bizInfo = array(
'tpData' => array(
"appKey" => $config['app_key'],
"dealId" => $config['deal_id'],
"tpOrderId" => $order['order_sn'],
"rsaSign" => $rsaSign,
"totalAmount" => $order['total_amount'],
"returnData" => '',
"displayData" => array(
"cashierTopBlock" => array(
array(
[ "leftCol" => "訂單名稱", "rightCol" => $order['body'] ],
[ "leftCol" => "數(shù)量", "rightCol" => "1" ],
[ "leftCol" => "訂單金額", "rightCol" => $order['total_amount'] ]
),
array(
[ "leftCol" => "服務(wù)地址", "rightCol" => "北京市海淀區(qū)上地十街10號(hào)百度大廈" ],
[ "leftCol" => "服務(wù)時(shí)間", "rightCol" => "2018/10/29 14:51" ],
[ "leftCol" => "服務(wù)人員", "rightCol" => "百度App" ]
)
)
),
"dealTitle" => $order['body'],
"dealSubTitle" => $order['body'],
"dealThumbView" => "https://b.bdstatic.com/searchbox/icms/searchbox/img/swan-logo.png",
),
"orderDetailData" => ''
);
$bdOrder = array(
'dealId' => $config['deal_id'],
'appKey' => $config['app_key'],
'totalAmount' => $order['total_amount'],
'tpOrderId' => $order['order_sn'],
'dealTitle' => $order['body'],
'signFieldsRange' => 1,
'rsaSign' => $rsaSign,
'bizInfo' => json_encode($bizInfo),
);
return $bdOrder;
}
/**
* [refund baidu支付退款]
* @param [type] $order [訂單信息]
* @param [type] $type [退款類型]
* $order = array(
* 'body' => '', // 退款原因
* 'total_amount' => '', // 退款金額（分）
* 'order_sn' => '', // 訂單編號(hào)
* 'access_token' => '', // 獲取開發(fā)者服務(wù)權(quán)限說明
* 'order_id' => '', // 百度收銀臺(tái)訂單 ID
* 'user_id' => '', // 百度收銀臺(tái)用戶 id
* );
*/
public static function refund($order=[], $type=1)
{
$config = self::$config;
$data = array(
'access_token' => $order['access_token'], // 獲取開發(fā)者服務(wù)權(quán)限說明
'applyRefundMoney' => $order['total_amount'], // 退款金額，單位：分。
'bizRefundBatchId' => $order['order_sn'], // 開發(fā)者退款批次
'isSkipAudit' => 1, // 是否跳過審核，不需要百度請(qǐng)求開發(fā)者退款審核請(qǐng)傳 1，默認(rèn)為0； 0：不跳過開發(fā)者業(yè)務(wù)方審核；1：跳過開發(fā)者業(yè)務(wù)方審核。
'orderId' => $order['order_id'], // 百度收銀臺(tái)訂單 ID
'refundReason' => $order['body'], // 退款原因
'refundType' => $type, // 退款類型 1：用戶發(fā)起退款；2：開發(fā)者業(yè)務(wù)方客服退款；3：開發(fā)者服務(wù)異常退款。
'tpOrderId' => $order['order_sn'], // 開發(fā)者訂單 ID
'userId' => $order['user_id'], // 百度收銀臺(tái)用戶 id
);
$array = ['errno'=>0, 'msg'=>'success', 'data'=> ['isConsumed'=>2] ];
$url = 'https://openapi.baidu.com/rest/2.0/smartapp/pay/paymentservice/applyOrderRefund';
$response = self::post_curl($url, $data);
$result = json_decode($response, true);
// // 顯示錯(cuò)誤信息
// if ($result['msg']!='success') {
// return false;
// // die($result['msg']);
// }
return $result;
}
/**
* [notify 回調(diào)驗(yàn)證]
* @return [array] [返回?cái)?shù)組格式的notify數(shù)據(jù)]
*/
public static function notify()
{
$data = $_POST; // 獲取xml
$config = self::$config;
if (!$data || empty($data['rsaSign']))
die('暫無回調(diào)信息');
$result = self::checkSign($data, $config['public_key']); // 進(jìn)行簽名驗(yàn)證
// 判斷簽名是否正確 判斷支付狀態(tài)
if ($result && $data['status']==2) {
return $data;
} else {
return false;
}
}
/**
* [success 通知支付狀態(tài)]
*/
public static function success()
{
$array = ['errno'=>0, 'msg'=>'success', 'data'=> ['isConsumed'=>2] ];
die(json_encode($array));
}
/**
* [error 通知支付狀態(tài)]
*/
public static function error()
{
$array = ['errno'=>0, 'msg'=>'success', 'data'=> ['isErrorOrder'=>1, 'isConsumed'=>2] ];
die(json_encode($array));
}
/**
* [makeSign 使用私鑰生成簽名字符串]
* @param array $assocArr [入?yún)?shù)組]
* @param [type] $rsaPriKeyStr [私鑰原始字符串，不含PEM格式前后綴]
* @return [type] [簽名結(jié)果字符串]
*/
public static function makeSign(array $assocArr, $rsaPriKeyStr)
{
$sign = '';
if (empty($rsaPriKeyStr) || empty($assocArr)) {
return $sign;
}
if (!function_exists('openssl_pkey_get_private') || !function_exists('openssl_sign')) {
throw new Exception("openssl擴(kuò)展不存在");
}
$rsaPriKeyPem = self::convertRSAKeyStr2Pem($rsaPriKeyStr, 1);
$priKey = openssl_pkey_get_private($rsaPriKeyPem);
if (isset($assocArr['sign'])) {
unset($assocArr['sign']);
}
ksort($assocArr); // 參數(shù)按字典順序排序
$parts = array();
foreach ($assocArr as $k => $v) {
$parts[] = $k . '=' . $v;
}
$str = implode('&', $parts);
openssl_sign($str, $sign, $priKey);
openssl_free_key($priKey);
return base64_encode($sign);
}
/**
* [checkSign 使用公鑰校驗(yàn)簽名]
* @param array $assocArr [入?yún)?shù)據(jù)，簽名屬性名固定為rsaSign]
* @param [type] $rsaPubKeyStr [公鑰原始字符串，不含PEM格式前后綴]
* @return [type] [驗(yàn)簽通過|false 驗(yàn)簽不通過]
*/
public static function checkSign(array $assocArr, $rsaPubKeyStr)
{
if (!isset($assocArr['rsaSign']) || empty($assocArr) || empty($rsaPubKeyStr)) {
return false;
}
if (!function_exists('openssl_pkey_get_public') || !function_exists('openssl_verify')) {
throw new Exception("openssl擴(kuò)展不存在");
}
$sign = $assocArr['rsaSign'];
unset($assocArr['rsaSign']);
if (empty($assocArr)) {
return false;
}
ksort($assocArr); // 參數(shù)按字典順序排序
$parts = array();
foreach ($assocArr as $k => $v) {
$parts[] = $k . '=' . $v;
}
$str = implode('&', $parts);
$sign = base64_decode($sign);
$rsaPubKeyPem = self::convertRSAKeyStr2Pem($rsaPubKeyStr);
$pubKey = openssl_pkey_get_public($rsaPubKeyPem);
$result = (bool)openssl_verify($str, $sign, $pubKey);
openssl_free_key($pubKey);
return $result;
}
/**
* [convertRSAKeyStr2Pem 將密鑰由字符串（不換行）轉(zhuǎn)為PEM格式]
* @param [type] $rsaKeyStr [原始密鑰字符串]
* @param integer $keyType [0 公鑰|1 私鑰，默認(rèn)0]
* @return [type] [PEM格式密鑰]
*/
public static function convertRSAKeyStr2Pem($rsaKeyStr, $keyType = 0)
{
$pemWidth = 64;
$rsaKeyPem = '';
$begin = '-----BEGIN ';
$end = '-----END ';
$key = ' KEY-----';
$type = $keyType ? 'RSA PRIVATE' : 'PUBLIC';
$keyPrefix = $begin . $type . $key;
$keySuffix = $end . $type . $key;
$rsaKeyPem .= $keyPrefix . "\n";
$rsaKeyPem .= wordwrap($rsaKeyStr, $pemWidth, "\n", true) . "\n";
$rsaKeyPem .= $keySuffix;
if (!function_exists('openssl_pkey_get_public') || !function_exists('openssl_pkey_get_private')) {
return false;
}
if ($keyType == 0 && false == openssl_pkey_get_public($rsaKeyPem)) {
return false;
}
if ($keyType == 1 && false == openssl_pkey_get_private($rsaKeyPem)) {
return false;
}
return $rsaKeyPem;
}
/**
* curl post請(qǐng)求
* @param string $url 地址
* @param string $postData 數(shù)據(jù)
* @param array $header 頭部
* @return bool|string
* @Date 2020/9/17 17:12
* @Author wzb
*/
public static function post_curl($url='',$postData='',$header=[]){
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5000);
curl_setopt($ch, CURLOPT_TIMEOUT, 5000);
if($header){
curl_setopt($ch, CURLOPT_HTTPHEADER,$header);
}
curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
$result = curl_exec($ch);
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
$curlErrNo = curl_errno($ch);
$curlErr = curl_error($ch);
curl_close($ch);
return $result;
}
}以上是重新對(duì)百度支付進(jìn)行編寫封裝（百度智慧小程式支付）的詳細(xì)內(nèi)容。更多資訊請(qǐng)關(guān)注PHP中文網(wǎng)其他相關(guān)文章！
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