pid = $config['pid'];
$this->key = $config['key'];
$this->submit_url = $config['apiurl'].'submit.php';
$this->mapi_url = $config['apiurl'].'mapi.php';
$this->api_url = $config['apiurl'].'api.php';
}
// 发起支付（页面跳转）
public function pagePay($param_tmp, $button = '正在跳转'){
$param = $this->buildRequestParam($param_tmp);
$html = '';
return $html;
}
// 发起支付（获取跳转链接）
public function getPayLink($param_tmp){
$param = $this->buildRequestParam($param_tmp);
return $this->submit_url . '?' . http_build_query($param);
}
// 发起支付（API接口）
public function apiPay($param_tmp){
$param = $this->buildRequestParam($param_tmp);
$response = $this->getHttpResponse($this->mapi_url, http_build_query($param));
$response = trim($response);
if ($response === 'success') {
return ['code' => -1, 'msg' => 'API返回格式错误(纯文本success)，请检查易支付接口URL是否正确', 'raw' => $response];
}
$arr = json_decode($response, true);
if (!is_array($arr)) {
return ['code' => -1, 'msg' => 'API返回格式错误: ' . mb_substr($response, 0, 200), 'raw' => $response];
}
if (!isset($arr['code'])) {
$arr['code'] = -1;
$arr['raw'] = $response;
}
return $arr;
}
// 异步回调验证
public function verifyNotify(){
if(empty($_GET) || !isset($_GET['sign'])) return false;
$sign = $this->getSign($_GET);
if($sign === $_GET['sign']){
$signResult = true;
}else{
$signResult = false;
}
return $signResult;
}
// 同步回调验证
public function verifyReturn(){
if(empty($_GET) || !isset($_GET['sign'])) return false;
$sign = $this->getSign($_GET);
if($sign === $_GET['sign']){
$signResult = true;
}else{
$signResult = false;
}
return $signResult;
}
private function buildRequestParam($param){
$mysign = $this->getSign($param);
$param['sign'] = $mysign;
$param['sign_type'] = $this->sign_type;
return $param;
}
// 计算签名
private function getSign($param){
ksort($param);
reset($param);
$signstr = '';
foreach($param as $k => $v){
if($k != "sign" && $k != "sign_type" && $v!=''){
$signstr .= $k.'='.$v.'&';
}
}
$signstr = substr($signstr,0,-1);
$signstr .= $this->key;
$sign = md5($signstr);
return $sign;
}
// 请求外部资源
private function getHttpResponse($url, $post = false, $timeout = 10){
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
$httpheader[] = "Accept: */*";
$httpheader[] = "Accept-Language: zh-CN,zh;q=0.8";
$httpheader[] = "Connection: close";
curl_setopt($ch, CURLOPT_HTTPHEADER, $httpheader);
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
if($post){
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
}
$response = curl_exec($ch);
curl_close($ch);
return $response;
}
}