微信公众号商户收款PHP代码示例 - 支持3个商品展示及自动通知
$value){
if($value != '' && !is_array($value)){
$str .= $key.'='.$value.'&';
}
}
$str .= 'key='.$merchant_key;
return strtoupper(md5($str));
}
//生成xml
function toXml($params){
$xml = '';
foreach($params as $key => $value){
if(is_numeric($value)){
$xml .= '<'.$key.'>'.$value.'';
}else{
$xml .= '<'.$key.'>';
}
}
$xml .= ' ';
return $xml;
}
//发送post请求
function curlPost($url, $data){
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
$result = curl_exec($ch);
curl_close($ch);
return $result;
}
//生成预支付订单
function createPrePayOrder($merchant_id, $merchant_key, $notify_url, $order_no, $amount){
//请求地址
$url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';
//生成随机字符串
$nonce_str = md5(time());
//构造参数
$params = array(
'appid' => 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',
'mch_id' => $merchant_id,
'nonce_str' => $nonce_str,
'body' => '商品购买',
'out_trade_no' => $order_no,
'total_fee' => $amount,
'spbill_create_ip' => $_SERVER['REMOTE_ADDR'],
'notify_url' => $notify_url,
'trade_type' => 'JSAPI',
'openid' => $_SESSION['openid']
);
//生成签名
$params['sign'] = createSign($params, $merchant_key);
//将参数转换为xml格式
$xml = toXml($params);
//发送请求
$result = curlPost($url, $xml);
//解析返回结果
$data = simplexml_load_string($result, 'SimpleXMLElement', LIBXML_NOCDATA);
//获取prepay_id
$prepay_id = $data->prepay_id;
//生成支付签名
$params = array(
'appId' => 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',
'timeStamp' => time(),
'nonceStr' => md5(time()),
'package' => 'prepay_id='.$prepay_id,
'signType' => 'MD5'
);
$params['paySign'] = createSign($params, $merchant_key);
return $params;
}
//生成支付按钮
function createPayButton($product_name, $product_image, $product_pay_link, $merchant_id, $merchant_key, $notify_url){
$params = createPrePayOrder($merchant_id, $merchant_key, $notify_url, $order_no, $amount);
$button = '
';
$button .= '
';
$button .= '
';
return $button;
}
//页面显示
echo createPayButton($product_name1, $product_image1, $product_pay_link1, $merchant_id, $merchant_key, $notify_url);
echo createPayButton($product_name2, $product_image2, $product_pay_link2, $merchant_id, $merchant_key, $notify_url);
echo createPayButton($product_name3, $product_image3, $product_pay_link3, $merchant_id, $merchant_key, $notify_url);
//回调处理
$resultXml = file_get_contents('php://input');
$result = simplexml_load_string($resultXml);
if($result->return_code=='SUCCESS' && $result->result_code=='SUCCESS'){
//处理订单逻辑
//发送通知
$params = array(
'return_code' => 'SUCCESS',
'return_msg' => 'OK',
);
$params['sign'] = createSign($params, $merchant_key);
echo toXml($params);
}
?>
'.$product_name.'
'; $button .= ''; $button .= '
原文地址: http://www.cveoy.top/t/topic/lMxU 著作权归作者所有。请勿转载和采集!