php curl xml传输和转换

  1 <?php
  2 
  3 /**
  4  * API
  5  * User: sgfoot
  6  * Date: 2017/3/20
  7  * Time: 18:05
  8  */
  9 class apiCurl
 10 {
 11     private $config = array(
 12         'key'     => '7D86A79BA5C4C278E5264D5E910B3A64',
 13     );
 14     public function execute($url, $params)
 15     {
 16         $baseParams = $this->getParams();
 17         $apiPrams = array_merge($baseParams, $params);
 18         $apiPrams['sign'] = $this->getSign($apiPrams);
 19         $xml = $this->arrayToXml($apiPrams);
 20         $xml_result = Cpost($url, $xml);
 21         $result = $this->xmlToArray($xml_result);
 22         return $result;
 23     }
 24 
 25     /**
 26      * 获取基础参数
 27      * @author: wzl
 28      * @date: 2017
 29      * @return array
 30      */
 31     protected function getParams()
 32     {
 33         $params = array(
 34             'nonce_str' => $this->getNonce(),
 35             'sign_type' => 'MD5',
 36         );
 37         return $params;
 38     }
 39 
 40     /**
 41      *    作用：生成签名
 42      */
 43     protected function getSign($Obj)
 44     {
 45         foreach ($Obj as $k => $v) {
 46             $Parameters[$k] = $v;
 47         }
 48         //签名步骤一：按字典序排序参数
 49         ksort($Parameters);
 50         $String = $this->formatBizQueryParaMap($Parameters, false);
 51         //echo '【string1】'.$String.'</br>';
 52         //签名步骤二：在string后加入KEY
 53         $String = $String . "&key=" . $this->config['key'];
 54         //echo "【string2】".$String."</br>";
 55         //签名步骤三：MD5加密
 56         $String = md5($String);
 57         //echo "【string3】 ".$String."</br>";
 58         //签名步骤四：所有字符转为大写
 59         $result_ = strtoupper($String);
 60         //echo "【result】 ".$result_."</br>";
 61         return $result_;
 62     }
 63 
 64     /**
 65      *    作用：格式化参数，签名过程需要使用
 66      */
 67     protected function formatBizQueryParaMap($paraMap, $urlencode)
 68     {
 69         $buff = "";
 70         ksort($paraMap);
 71         foreach ($paraMap as $k => $v) {
 72             if ($urlencode) {
 73                 $v = urlencode($v);
 74             }
 75             $buff .= $k . "=" . $v . "&";
 76         }
 77         $reqPar = '';
 78         if (strlen($buff) > 0) {
 79             $reqPar = substr($buff, 0, strlen($buff) - 1);
 80         }
 81         return $reqPar;
 82     }
 83     /**
 84      *     作用：将xml转为array
 85      */
 86     protected function xmlToArray($xml)
 87     {
 88         //将XML转为array
 89         $array_data = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
 90         return $array_data;
 91     }
 92     /**
 93      *     作用：array转xml
 94      */
 95     protected function arrayToXml($arr)
 96     {
 97         $xml = "<xml>";
 98         foreach ($arr as $key=>$val)
 99         {
100             if (is_numeric($val))
101             {
102                 $xml.="<".$key.">".$val."</".$key.">";
103 
104             }
105             else
106                 $xml.="<".$key."><![CDATA[".$val."]]></".$key.">";
107         }
108         $xml.="</xml>";
109         return $xml;
110     }
111 }
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