前言
第三方,第四方支付接口接多了,无非就是那么几步。这次客户有一个新的需求是不跳转到第三方支付网关。同时刚好支持iframe方式加载。记录一下改动代码。
获取支付链接
通过post提交支付参数,上游返回支付网关关于此订单的支付链接地址,将地址传输给单独注册的支付页面
//构建提交变量
$args = array(
'timeout' => 45,
'redirection' => 5,
'httpversion' => '1.0',
'blocking' => true,
'body' => $Body,
);
$postRequest = wp_remote_post($gateway_api, $args);
if ($postRequest['response']['code'] === 200) {
$result = json_decode($postRequest['body'], true, 512, JSON_BIGINT_AS_STRING);
} else {
error_log(__METHOD__ . PHP_EOL . 'Code:' . $postRequest['response']['code'] . PHP_EOL. ' Error:' . $postRequest['response']['message']);
throw new Exception("Unable to reach Viva Payments (" . $postRequest['response']['message'] . ")");
}
//error_log(__METHOD__ . PHP_EOL .print_r($result, true));
if ($result['code'] == 200) {
//写入数据库
$query = "insert into {$wpdb->prefix}ddmpay_data (ref, ordercode, email, orderid, total_cost, currency, order_state, timestamp) values ('". $mref . "', '0', '". $customer_mail . "','" . $order_id . "','" . $amount . "', '" . $currency_code . "', 'I', now())";
$wpdb->query($query);
//跳转支付,通过iframe加载
return array(
'result' => 'success',
'redirect' => $site_url.'/?payload=1&url='.urlencode($result['data']['payurl'])
);
} else {
throw new Exception("Unable to redirect payurl (" . $result['msg'] . ")");
}
注册加载页面
在插件安装文件setup.php内注册
setup.php
//注册一个pay加载页面
add_action('init', 'register_ddpay_query_variables');
add_action('template_redirect', 'redirect_to_ddpay_templates');
function register_ddpay_query_variables() {
add_filter('query_vars', function($vars) {
$vars[] = 'payload';
return $vars;
});
}
function redirect_to_ddpay_templates() {
if (get_query_var('payload')) {
include dirname(__FILE__) . '/payload.php';
exit();
}
}
payload.php
<?php
if (($_SERVER['REQUEST_METHOD'] === 'GET') && preg_match("/payload/i", $_SERVER['REQUEST_URI'])) {
$url = urldecode($_GET['url']);
}else{
$url = '';
}
?>
<!DOCTYPE html>
<html>
<head>
<style>
.iframe-container {
width: 400px;
height: 300px;
overflow: hidden;
}
</style>
</head>
<body>
<div class="iframe-container">
<iframe src="<?php echo $url; ?>" frameborder="0"></iframe>
</div>
</body>
</html>
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