威富通支付接口用到的操作類（記錄下）

<?php  2 /**  3  * 威富通支付接口  4  */
class SwiftpassClient {  6 
    function __construct() {  8         //todo
 }  10 
    // 獲取請求支付的頁面url
    public function getUrl($url, $postData)  13  {  14         ksort($postData);  15         $postData = $this->urlencode_array($postData);  16         $postData['sign'] = md5(implode('', $postData) . md5('!!wxpay!!'));  17         return $url . '?' . http_build_query($postData);  18  }  19 
    // 獲取簽名信息
    public function getSign($postData, $key)  22  {  23         $returnStr = '';  24         if ($postData) {  25             if (isset($postData['sign'])) unset($postData['sign']);  26             ksort($postData);  27             $signStr = '';  28             foreach ($postData as $_k => $_v) {  29                 $signStr .= "{$_k}={$_v}&";  30  }  31             $signStr .= 'key=' . $key;  32             $returnStr = strtoupper(md5($signStr));  33  }  34 
        return $returnStr;  36  }  37 
    // 生成隨機碼 默認16位
    public function getRandKey($digit=16)  40  {  41         $returnStr = '';  42         // A-Za-z0-9 共62個
        $baseKey = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';  44         $randKeyArr = str_split($baseKey);  45         $maxLen = count($randKeyArr);  46 
        for ($i=0; $i<$digit; $i++) {  48             // 每10次, 打亂一次
            if (($i % 10) == 0) shuffle($randKeyArr);  50             $k = $i % $maxLen;  51             $returnStr .= $randKeyArr{$k};  52  }  53 
        return $returnStr;  55  }  56 
    // 解析PostData xml格式
    public function xmlToArray($xmlStr)  59  {  60         return json_decode(json_encode(simplexml_load_string($xmlStr, 'SimpleXMLElement', LIBXML_NOCDATA)), true);  61  }  62 
    /**  64  * 將xml轉換成數組  65  * @param $xmlData  66  * @return array  67      */
    public function xmlToArray2($xml) {  69         $xml = simplexml_load_string($xml);  70         //獲取xml編碼
        $ret = preg_match ("/<?xml[^>]* encoding=\"(.*)\"[^>]* ?>/i", $xml, $arr);  72         if($ret) {  73             $encode = strtoupper ( $arr[1] );  74         } else {  75             $encode = "";  76  }  77         if($xml && $xml->children()) {  78             foreach ($xml->children() as $node){  79                 //有子節點
                if($node->children()) {  81                     $k = $node->getName();  82                     $nodeXml = $node->asXML();  83                     $v = substr($nodeXml, strlen($k)+2, strlen($nodeXml)-2*strlen($k)-5);  84 
                } else {  86                     $k = $node->getName();  87                     $v = (string)$node;  88  }  89 
                if($encode!="" && $encode != "UTF-8") {  91                     $k = iconv("UTF-8", $encode, $k);  92                     $v = iconv("UTF-8", $encode, $v);  93  }  94 
                $parameters[$k] = $v;  96  }  97  }  98         return $parameters;  99  } 100 
    // 數組轉xml
    public function arrayToXml($array) 103  { 104         $returnStr = "<xml>"; 105         foreach ($array as $key => $val) { 106             if (is_numeric($val)) { 107                $returnStr .= "<".$key.">".$val."</".$key.">"; 108             } else { 109                 $returnStr .= "<".$key."><![CDATA[".$val."]]></".$key.">"; 110  } 111  } 112         $returnStr .= "</xml>"; 113         return $returnStr; 114  } 115 

    // 數組值urlencode編碼
    public function urlencode_array($array) 119  { 120         if (is_array($array)) { 121             foreach ($array as $_key => $_val) { 122                 $array[$_key] = $this->urlencode_array($_val); 123  } 124         } else { 125             $array = rawurlencode($array); 126  } 127 
        return $array; 129  } 130 
    // 數組值urldecode解碼
    public function urldecode_array($array) 133  { 134         if (is_array($array)) { 135             foreach ($array as $_key => $_val) { 136                 $array[$_key] = $this->urldecode_array($_val); 137  } 138         } else { 139             $array = rawurldecode($array); 140  } 141 
        return $array; 143  } 144 
    // post xml數據
    public function postXml($url, $array) 147  { 148         // curl初始化設置
        $ch = curl_init(); 150         curl_setopt($ch, CURLOPT_TIMEOUT, 14);  // 設置超時
        curl_setopt($ch, CURLOPT_URL, $url); 152         curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); 153         curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); 154         curl_setopt($ch, CURLOPT_HEADER, false); 155         curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); 156         curl_setopt($ch, CURLOPT_POST, true); 157         curl_setopt($ch, CURLOPT_POSTFIELDS, $array); 158 
        // 運行curl
        $response = curl_exec($ch); 161         curl_close($ch); 162 
        return $response; 164  } 165 
    public function postXmlSSL($url, $array) 167  { 168         // curl初始化設置
        $ch = curl_init(); 170         curl_setopt($ch, CURLOPT_TIMEOUT, 14);  // 設置超時
        curl_setopt($ch, CURLOPT_URL, $url); 172         curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); 173         curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); 174         curl_setopt($ch, CURLOPT_HEADER, false); 175         curl_setopt($ch, CURLOPT_SSLCERTTYPE, 'PEM'); 176         curl_setopt($ch, CURLOPT_SSLCERT, '證書路徑'); 177         curl_setopt($ch, CURLOPT_SSLKEYTYPE, 'PEM'); 178         curl_setopt($ch, CURLOPT_SSLKEY, '密鑰路徑'); 179         curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); 180         curl_setopt($ch, CURLOPT_POST, true); 181         curl_setopt($ch, CURLOPT_POSTFIELDS, $array); 182 
        // 運行curl
        $response = curl_exec($ch); 185         curl_close($ch); 186 
        return $response; 188  } 189 
} 191 ?>