<?php
ini_set("display_errors", 0);
date_default_timezone_set("Asia/Shanghai");
error_reporting(E_ALL);
set_time_limit(0);
header("Content-type: text/html; charset=utf-8");
$Kwaixiaodian = new Kwaixiaodian();
$Kwaixiaodian->appKey = $appKey = 'appKey ';
$Kwaixiaodian->appSecret = $appSecret = 'appSecret ';
$Kwaixiaodian->signSecret = 'signSecret ';
$Kwaixiaodian->debug = 1;;
$Kwaixiaodian->access_token = 'access_token';
$arr = $Kwaixiaodian->api('open.item.list.get', array());
//$arr =$Kwaixiaodian->api('open.user.seller.get',array());
echo '<pre>';
print_r($arr);
echo '</pre>';


class Kwaixiaodian {
    public $appKey;
    public $appSecret;
    public $signSecret;
    public $syncAPIClient;
    public $serverHost = "https://open.kwaixiaodian.com/";
    public $webSite = '1688';
    public $access_token = '';
    public $debug = false;

    public function Api($apiType, $param, $method = 'get') {
        $arr['appkey'] = $this->appKey;
        $arr['version'] = '1';
        $arr['access_token'] = $this->access_token;
        $arr['timestamp'] = $this->getMillisecond();
        $arr['method'] = trim($apiType);
        $arr['param'] = $param ? json_encode($param) : '{}';
        $arr['signMethod'] = 'MD5';
        ksort($arr); // 排序
        $arr['sign'] = $this->getSign($arr, $this->signSecret);
        $apiInfo = str_replace('.', '/', $arr['method']);
        $url = $this->serverHost . $apiInfo;
        $Alibabahelper = new Alibabahelper();
        if ($method == 'get') {
            $s = $Alibabahelper->curl_https_get($url. '?' . http_build_query($arr, '', '&'), array());
        } else {
            $s = $Alibabahelper->curl_https_post($url, $arr);
        }
        $s = json_decode($s, true);
        return $s;
    }
    public function getSign($params, $key) {
        $unSignParaString = $this->formatQueryParaMap($params, false);
        $signStr = (md5($unSignParaString . "&signSecret=" . $this->signSecret));
        return $signStr;
    }

    public function formatQueryParaMap(array $paraMap, $urlEncode = false) {
        $buff = "";
        ksort($paraMap);
        foreach ($paraMap as $k => $v) {
            if (null != $v && "null" != $v) {
                if ($urlEncode) {
                    $v = urlencode($v);
                }
                $buff.= $k . "=" . $v . "&";
            }
        }
        $reqPar = '';
        if (strlen($buff) > 0) {
            $reqPar = substr($buff, 0, strlen($buff) - 1);
        }
        return $reqPar;
    }

    /*获取13位时间戳*/
    private static function getMillisecond() {
        list($t1, $t2) = explode(' ', microtime());
        return sprintf('%.0f', (floatval($t1) + floatval($t2)) * 1000);
    }

    public function getAPIClient($redirectUrl,$scope='merchant_comment,merchant_item,merchant_logistics,merchant_order,merchant_servicemarket,merchant_user,user_info') {

        $get_code_url = $this->serverHost . "oauth2/connect?app_id={$this->appKey}&scope={$scope}&response_type=code&redirect_uri={$redirectUrl}&state=your_state";

        return $get_code_url;
    }

    public function getToken($code, $redirectUrl = '') {
        $url = $this->serverHost . "oauth2/access_token?app_id={$this->appKey}&app_secret={$this->appSecret}&code={$code}&grant_type=authorization_code";
        $Alibabahelper = new Alibabahelper();
        $s = $Alibabahelper->curl_https_get($url);
        $s = json_decode($s, true);
        return $s;
    }
    /*用长时令牌refreshToken刷新访问令牌accessToken*/
    public function refreshToken($refreshToken) {
        $url = $this->serverHost . "oauth2/refresh_token?app_id={$this->appKey}&app_secret={$this->appSecret}&refresh_token={$refreshToken}&grant_type=refresh_token";
        $Alibabahelper = new Alibabahelper();
        $s = $Alibabahelper->curl_https_get($url);
        $s = json_decode($s, true);
        return $s;
    }

    function debug($msg) {
        if ($this->debug) {
            print '<div style="border: 1px solid red; padding: 0.5em; margin: 0.5em;">';
            echo "<pre>";
            print_r($msg);
            echo "</pre>";
            print '</div>';
        }
    }
}
class Alibabahelper {
    function __construct() {
    }
    private function curl_get_contents($url, $data = array(), $https = false) {
        $results['error'] = '';
        $results['status'] = 0;
        $results['data'] = array();
        $user_agent = $_SERVER['HTTP_USER_AGENT'];
        $curl = curl_init(); // 启动一个CURL会话
        if (!empty($data) && is_array($data)) {
            curl_setopt($curl, CURLOPT_POST, TRUE);
            curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($data));
            curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-Type: application/x-www-form-urlencoded'));
        }
        if ($https) {
            curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0); // 对认证证书来源的检查
            curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 1); // 从证书中检查SSL加密算法是否存在
            curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); // 使用自动跳转

        }
        curl_setopt($curl, CURLOPT_URL, $url); // 要访问的地址
        curl_setopt($curl, CURLOPT_TIMEOUT, 30); // 设置超时限制防止死循环
        curl_setopt($curl, CURLOPT_HEADER, 0); // 显示返回的Header区域内容
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); // 获取的信息以文件流的形式返回
        curl_setopt($curl, CURLOPT_USERAGENT, $user_agent); // 模拟用户使用的浏览器
        curl_setopt($curl, CURLOPT_AUTOREFERER, 1); // 自动设置Referer
        $results['data'] = curl_exec($curl); // 执行操作
        if (curl_errno($curl)) {
            $results['error'] = curl_error($curl); //捕抓异常

        }
        curl_close($curl); // 关闭CURL会话
        return $results['data']; // 返回数据

    }
    public function curl_https_post($url, $data) {
        return $this->curl_get_contents($url, $data, true);
    }
    public function curl_https_get($url) {
        return $this->curl_get_contents($url, array(), true);
    }
}