php超市系统

// 检查数据库配置
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";

// 创建连接
$conn = new mysqli($servername, $username, $password, $dbname);

// 检查连接
if ($conn->connect_error) {
    die("连接失败: " . $conn->connect_error);
}
echo "连接成功";

// 示例：使用支付宝支付接口
require_once 'alipay-sdk/AopSdk.php';
$aop = new AopClient();
$aop->gatewayUrl = 'https://openapi.alipay.com/gateway.do';
$aop->appId = "app_id";
$aop->rsaPrivateKey = "private_key";
$aop->alipayrsaPublicKey = "public_key";
$aop->apiVersion = "1.0";
$aop->signType = "RSA2";
$aop->postCharset = "UTF-8";
$aop->format = "json";

$request = new AlipayTradePagePayRequest();
$request->setReturnUrl("http://www.example.com/return_url");
$request->setNotifyUrl("http://www.example.com/notify_url");
$request->setBizContent("{" .
    "\"out_trade_no\":\"20150320010101002\"," .
    "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"," .
    "\"total_amount\":88.88," .
    "\"subject\":\"Iphone6 16G\"," .
    "\"body\":\"Iphone6 16G\"," .
    "\"passback_params\":\"merchantBizType%3d3C%26merchantBizNo%3d2016010101111\"}" .
    "}");

$response = $aop->pageExecute($request);
echo $response;