pay_alipay.php
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<?php
/**
* @class pay_alipay
* @brief 支付宝【双向接口】插件类
*/
class pay_alipay extends PaymentPlugin{
//支付插件名称
public $name = '支付宝';
//提交地址
public function submitUrl(){
return 'https://mapi.alipay.com/gateway.do?_input_charset=utf-8';
}
//取得配制参数
public static function config()
{
return array(
array('field'=>'partner_id','caption'=>'合作身份者id','type'=>'string'),
array('field'=>'partner_key','caption'=>'安全检验码key','type'=>'string'),
);
}
//同步处理
public function callback($callbackData,&$paymentId,&$money,&$message,&$orderNo)
{
//除去待签名参数数组中的空值和签名参数
$filter_param = $this->filterParam($callbackData);
//对待签名参数数组排序
$para_sort = $this->argSort($filter_param);
//生成签名结果
$payment = new Payment($paymentId);
$payment_plugin = $payment->getPaymentPlugin();
$classConfig = $payment_plugin->getClassConfig();
$mysign = $this->buildSign($para_sort,$classConfig['partner_key']);
if($callbackData['sign'] == $mysign)
{
//回传数据
$orderNo = $callbackData['out_trade_no'];
$money = $callbackData['total_fee'];
if($callbackData['trade_status'] == 'TRADE_FINISHED' || $callbackData['trade_status'] == 'WAIT_SELLER_SEND_GOODS')
{
return true;
}
}
else
{
$message = '签名不正确';
}
return false;
}
//异步处理
public function asyncCallback($callbackData,&$paymentId,&$money,&$message,&$orderNo)
{
//除去待签名参数数组中的空值和签名参数
$filter_param = $this->filterParam($callbackData);
//对待签名参数数组排序
$para_sort = $this->argSort($filter_param);
//生成签名结果
$payment = new Payment($paymentId);
$payment_plugin = $payment->getPaymentPlugin();
$classConfig = $payment_plugin->getClassConfig();
$mysign = $this->buildSign($para_sort,$classConfig['partner_key']);
if($callbackData['sign'] == $mysign)
{
//回传数据
$orderNo = $callbackData['out_trade_no'];
$money = $callbackData['total_fee'];
if($callbackData['trade_status'] == 'TRADE_FINISHED' || $callbackData['trade_status'] == 'WAIT_SELLER_SEND_GOODS')
{
return true;
}
}
return false;
}
//后期与服务同步处理类
public function afterAsync()
{
$payment = new Payment($this->paymentId);
$paymentObj = $payment->getPayment();
return new AlipayDelivery($paymentObj['partner_id'],$paymentObj['partner_key']);
}
//打包数据
public function packData($payment)
{
$return = array();
//基本参数
$return['service'] = 'trade_create_by_buyer';
$return['seller_id'] = $payment['M_PartnerId'];
$return['partner'] = $payment['M_PartnerId'];
$return['_input_charset'] = 'utf-8';
$return['payment_type'] = 1;
$return['return_url'] = $this->callbackUrl;
$return['notify_url'] = $this->asyncCallbackUrl;
$return['subject'] = $payment['R_Name'];
$return['out_trade_no'] = $payment['M_OrderNO'];
$return['price'] = number_format($payment['M_Amount'], 2, '.', '');
$return['quantity'] = 1;
$return['logistics_fee'] = "0.00";
$return['logistics_type'] = "EXPRESS";
$return['logistics_payment'] = "SELLER_PAY";
if(isset($payment['P_Name']))
{
$return['receive_name'] = $payment['P_Name'];
$return['receive_address'] = $payment['P_Address'];
$return['receive_zip'] = $payment['P_PostCode'];
$return['receive_phone'] = $payment['P_Telephone'];
$return['receive_mobile'] = $payment['P_Mobile'];
}
//过虑无效参数
$filter_param = $this->filterParam($return);
//对待签名参数数组排序
$para_sort = $this->argSort($filter_param);
//生成签名
$mysign = $this->buildSign($para_sort, $payment['M_PartnerKey']);
//签名结果与签名方式加入请求提交参数组中
$return['sign'] = $mysign;
$return['sign_type'] = 'MD5';
return $return;
}
private function filterParam($para)
{
$filter_param = array();
foreach($para as $key => $val)
{
if($key == "sign" || $key == "sign_type" || $val == "")
{
continue;
}
else
{
$filter_param[$key] = $para[$key];
}
}
return $filter_param;
}
private function argSort($para)
{
ksort($para);
reset($para);
return $para;
}
//生成签名
private function buildSign($sort_para,$key,$sign_type = "MD5")
{
//把数组所有元素，按照“参数=参数值”的模式用“&”字符拼接成字符串
$prestr = $this->createLinkstring($sort_para);
//把拼接后的字符串再与安全校验码直接连接起来
$prestr = $prestr.$key;
$mysgin = md5($prestr);
return $mysgin;
}
//生成连接字符串
private function createLinkstring($para){
$arg = "";
foreach($para as $key => $val){
$arg.=$key."=".$val."&";
}
//去掉最后一个&字符
$arg = trim($arg,'&');
//如果存在转义字符，那么去掉转义
if(get_magic_quotes_gpc()){
$arg = stripslashes($arg);
}
return $arg;
}
}