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小程序预支付 #233

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f7f6be5
Update LiteCharge.php
whoisqiyu Oct 10, 2020
7621a5e
Update liteCharge.php
whoisqiyu Oct 10, 2020
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138 changes: 103 additions & 35 deletions examples/wx/liteCharge.php
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Original file line number Diff line number Diff line change
Expand Up @@ -9,39 +9,107 @@
* with this source code in the file LICENSE.
*/

require_once __DIR__ . '/../../vendor/autoload.php';


date_default_timezone_set('Asia/Shanghai');
$wxConfig = require_once __DIR__ . '/../wxconfig.php';

$tradeNo = time() . rand(1000, 9999);
// 订单信息
$payData = [
'body' => 'test body',
'subject' => 'test subject',
'trade_no' => $tradeNo,
'time_expire' => time() + 600, // 表示必须 600s 内付款
'amount' => '3.01', // 微信沙箱模式，需要金额固定为3.01
'return_param' => '123',
'client_ip' => isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '127.0.0.1', // 客户地址
'openid' => 'ottkCuO1PW1Dnh6PWFffNk-2MPbY',
'product_id' => '123',
];

// 使用
try {
$client = new \Payment\Client(\Payment\Client::WECHAT, $wxConfig);
$res = $client->pay(\Payment\Client::WX_CHANNEL_LITE, $payData);
} catch (InvalidArgumentException $e) {
echo $e->getMessage();
exit;
} catch (\Payment\Exceptions\GatewayException $e) {
echo $e->getMessage();
exit;
} catch (\Payment\Exceptions\ClassNotFoundException $e) {
echo $e->getMessage();
exit;
}
namespace Payment\Gateways\Wechat;

use Payment\Contracts\IGatewayRequest;
use Payment\Exceptions\GatewayException;
use Payment\Helpers\ArrayUtil;
use Payment\Payment;

/**
* @package Payment\Gateways\Wechat
* @author : Leo
* @email : dayugog@gmail.com
* @date : 2019/4/1 8:25 PM
* @version : 1.0.0
* @desc : 小程序支付
**/
class LiteCharge extends WechatBaseObject implements IGatewayRequest
{
const METHOD = 'pay/unifiedorder';

/**
* 获取第三方返回结果
* @param array $requestParams
* @return mixed
* @throws GatewayException
*/
public function request(array $requestParams)
{
try {
$data = $this->requestWXApi(self::METHOD, $requestParams);
$parameters = array(
'appId' => $data['appid'], //小程序ID
'timeStamp' => '' . time() . '', //时间戳
'nonceStr' => $data['nonce_str'], //随机串
'package' => 'prepay_id=' . $data['prepay_id'], //数据包
'signType' => 'MD5', //签名方式
);
$params = ArrayUtil::paraFilter($parameters);
$params = ArrayUtil::arraySort($parameters);
try {
$signStr = ArrayUtil::createLinkstring($params);
$parameters['paySign'] = $this->makeSign($signStr);
} catch (\Exception $e) {
throw new GatewayException($e->getMessage(), Payment::PARAMS_ERR);
}
return $parameters;
} catch (GatewayException $e) {
throw $e;
}
}

/**
* @param array $requestParams
* @return mixed
*/
protected function getSelfParams(array $requestParams)
{
$limitPay = self::$config->get('limit_pay', '');
if ($limitPay) {
$limitPay = $limitPay[0];
} else {
$limitPay = '';
}
$nowTime = time();
$timeExpire = intval($requestParams['time_expire']);
if (!empty($timeExpire)) {
$timeExpire = date('YmdHis', $timeExpire);
} else {
$timeExpire = date('YmdHis', $nowTime + 1800); // 默认半小时过期
}

var_dump($res);
$receipt = $requestParams['receipt'] ?? false;
$totalFee = bcmul($requestParams['amount'], 100, 0);
$sceneInfo = $requestParams['scene_info'] ?? '';
if ($sceneInfo) {
$sceneInfo = json_encode(['store_info' => $sceneInfo]);
} else {
$sceneInfo = '';
}


$selfParams = [
'device_info' => $requestParams['device_info'] ?? '',
'body' => $requestParams['subject'] ?? '',
'detail' => $requestParams['body'] ?? '',
'attach' => $requestParams['return_param'] ?? '',
'out_trade_no' => $requestParams['trade_no'] ?? '',
'fee_type' => self::$config->get('fee_type', 'CNY'),
'total_fee' => $totalFee,
'spbill_create_ip' => $requestParams['client_ip'] ?? '',
'time_start' => date('YmdHis', $nowTime),
'time_expire' => $timeExpire,
'goods_tag' => $requestParams['goods_tag'] ?? '',
'notify_url' => self::$config->get('notify_url', ''),
'trade_type' => 'JSAPI',
'product_id' => $requestParams['product_id'] ?? '',
'limit_pay' => $limitPay,
'openid' => $requestParams['openid'] ?? '',
'receipt' => $receipt === true ? 'Y' : '',
'scene_info' => $sceneInfo,
];

return $selfParams;
}
}
19 changes: 18 additions & 1 deletion src/Gateways/Wechat/LiteCharge.php
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@

use Payment\Contracts\IGatewayRequest;
use Payment\Exceptions\GatewayException;
use Payment\Helpers\ArrayUtil;
use Payment\Payment;

/**
Expand All @@ -36,7 +37,23 @@ class LiteCharge extends WechatBaseObject implements IGatewayRequest
public function request(array $requestParams)
{
try {
return $this->requestWXApi(self::METHOD, $requestParams);
$data = $this->requestWXApi(self::METHOD, $requestParams);
$parameters = array(
'appId' => $data['appid'], //小程序ID
'timeStamp' => '' . $requestParams['time_stamp'] . '', //时间戳
'nonceStr' => $data['nonce_str'], //随机串
'package' => 'prepay_id=' . $data['prepay_id'], //数据包
'signType' => 'MD5', //签名方式
);
$params = ArrayUtil::paraFilter($parameters);
$params = ArrayUtil::arraySort($parameters);
try {
$signStr = ArrayUtil::createLinkstring($params);
$parameters['paySign'] = $this->makeSign($signStr);
} catch (\Exception $e) {
throw new GatewayException($e->getMessage(), Payment::PARAMS_ERR);
}
return $parameters;
} catch (GatewayException $e) {
throw $e;
}
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