ecshop php

// 配置支付宝参数
$alipay_config = array(
    'partner' => '你的支付宝合作ID',
    'key' => '你的支付宝密钥',
    'seller_email' => '你的支付宝收款邮箱',
);

// 调用支付宝API
require_once 'alipay-sdk-php-all/aop/AopClient.php';
$aop = new \AopClient();
$aop->gatewayUrl = 'https://openapi.alipay.com/gateway.do';
$aop->appId = $alipay_config['partner'];
$aop->rsaPrivateKey = $alipay_config['key'];
$aop->alipayrsaPublicKey = '支付宝公钥';
$aop->apiVersion = '1.0';
$aop->signType = 'RSA2';

// 创建订单请求
$request = new \AlipayTradePagePayRequest();
$request->setReturnUrl('http://你的网站地址/return_url.php');
$request->setNotifyUrl('http://你的网站地址/notify_url.php');
$request->setBizContent(json_encode(array(
    'out_trade_no' => '订单号',
    'product_code' => 'FAST_INSTANT_TRADE_PAY',
    'total_amount' => '订单金额',
    'subject' => '订单标题',
)));

// 发起支付请求
$response = $aop->pageExecute($request);
echo $response;