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<?php
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namespace App\Libs;
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use Exception;
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class WxPayCommon
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{
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public $app_id;
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public $key;
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public $merchant_id;
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public $ssl_cert_path;
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public $ssl_key_path;
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public $parameters = [];
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public function __construct()
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{
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$this->app_id = env("WEIXINPAY_APPID");
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$this->key = env("WEIXINPAY_KEY");
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$this->merchant_id = env("WEIXINPAY_MCHID");
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$this->ssl_cert_path = env("WEIXINPAY_SSLCERT_PATH");
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$this->ssl_key_path = env("WEIXINPAY_KEY_PATH");
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}
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function trimString($value)
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{
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$ret = null;
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if (null != $value) {
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$ret = $value;
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if (strlen($ret) == 0) {
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$ret = null;
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}
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}
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return $ret;
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}
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/**
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* 作用：设置请求参数
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*/
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function setParameter($parameter, $parameterValue)
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{
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$this->parameters[$this->trimString($parameter)] = $this->trimString($parameterValue);
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}
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function checkParameters()
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{
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//检测必填参数
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}
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/**
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* 生成接口参数xml
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*/
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function createXml()
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{
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try {
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$this->parameters["appid"] = $this->app_id;//公众账号ID
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$this->parameters["mch_id"] = $this->merchant_id;//商户号
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$this->parameters["spbill_create_ip"] = $_SERVER['REMOTE_ADDR'];//终端ip
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$this->parameters["nonce_str"] = $this->createNoncestr();//随机字符串
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$this->parameters["sign"] = $this->getSign($this->parameters);//签名
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return $this->arrayToXml($this->parameters);
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} catch (Exception $e) {
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dd($e->getMessage());
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}
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}
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/**
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* 作用：产生随机字符串，不长于32位
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*/
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public function createNoncestr($length = 32)
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{
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$chars = "abcdefghijklmnopqrstuvwxyz0123456789";
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$str = "";
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for ($i = 0; $i < $length; $i++) {
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$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
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}
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return $str;
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}
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/**
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* 作用：生成签名
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*/
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public function getSign($Obj)
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{
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foreach ($Obj as $k => $v) {
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$Parameters[$k] = $v;
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}
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//签名步骤一：按字典序排序参数
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ksort($Parameters);
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$String = $this->formatBizQueryParaMap($Parameters, false);
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//echo '【string1】'.$String.'</br>';
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//签名步骤二：在string后加入KEY
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$String = $String . "&key=" . $this->key;
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//echo "【string2】".$String."</br>";
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//签名步骤三：MD5加密
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$String = md5($String);
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//echo "【string3】 ".$String."</br>";
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//签名步骤四：所有字符转为大写
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$result_ = strtoupper($String);
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//echo "【result】 ".$result_."</br>";
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return $result_;
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}
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/**
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* 作用：格式化参数，签名过程需要使用
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*/
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function formatBizQueryParaMap($paraMap, $urlencode)
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{
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$buff = "";
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ksort($paraMap);
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foreach ($paraMap as $k => $v) {
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if ($urlencode) {
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$v = urlencode($v);
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}
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//$buff .= strtolower($k) . "=" . $v . "&";
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$buff .= $k . "=" . $v . "&";
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}
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$reqPar = "";
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if (strlen($buff) > 0) {
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$reqPar = substr($buff, 0, strlen($buff) - 1);
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}
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return $reqPar;
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}
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/**
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* 作用：array转xml
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*/
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function arrayToXml($arr)
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{
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$xml = "<xml>";
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foreach ($arr as $key => $val) {
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if (is_numeric($val)) {
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$xml .= "<" . $key . ">" . $val . "</" . $key . ">";
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} else
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$xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">";
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}
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$xml .= "</xml>";
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return $xml;
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}
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/**
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* 作用：将xml转为array
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*/
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public function xmlToArray($xml)
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{
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//将XML转为array
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$array_data = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
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return $array_data;
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}
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/**
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* 作用：以post方式提交xml到对应的接口url
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*/
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public function postXmlCurl($xml, $url, $second = 30)
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{
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//初始化curl
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$ch = curl_init();
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//设置超时
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curl_setopt($ch, CURLOPT_TIMEOUT, $second);
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//这里设置代理，如果有的话
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//curl_setopt($ch,CURLOPT_PROXY, '8.8.8.8');
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//curl_setopt($ch,CURLOPT_PROXYPORT, 8080);
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
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curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
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//设置header
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curl_setopt($ch, CURLOPT_HEADER, FALSE);
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//要求结果为字符串且输出到屏幕上
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
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//post提交方式
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curl_setopt($ch, CURLOPT_POST, TRUE);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
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//运行curl
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$data = curl_exec($ch);
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//返回结果
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if ($data) {
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curl_close($ch);
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return $data;
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} else {
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$error = curl_errno($ch);
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echo "curl出错，错误码:$error" . "<br>";
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echo "<a href='http://curl.haxx.se/libcurl/c/libcurl-errors.html'>错误原因查询</a></br>";
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curl_close($ch);
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return false;
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}
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}
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/**
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* 作用：使用证书，以post方式提交xml到对应的接口url
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*/
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function postXmlSSLCurl($xml, $url, $second = 30)
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{
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$ch = curl_init();
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//超时时间
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curl_setopt($ch, CURLOPT_TIMEOUT, $second);
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//这里设置代理，如果有的话
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//curl_setopt($ch,CURLOPT_PROXY, '8.8.8.8');
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//curl_setopt($ch,CURLOPT_PROXYPORT, 8080);
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
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curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
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//设置header
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curl_setopt($ch, CURLOPT_HEADER, FALSE);
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//要求结果为字符串且输出到屏幕上
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
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//设置证书
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//使用证书：cert 与 key 分别属于两个.pem文件
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//默认格式为PEM，可以注释
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curl_setopt($ch, CURLOPT_SSLCERTTYPE, 'PEM');
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curl_setopt($ch, CURLOPT_SSLCERT, WxPayConfPub::SSLCERT_PATH);
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//默认格式为PEM，可以注释
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curl_setopt($ch, CURLOPT_SSLKEYTYPE, 'PEM');
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curl_setopt($ch, CURLOPT_SSLKEY, WxPayConfPub::SSLKEY_PATH);
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//post提交方式
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curl_setopt($ch, CURLOPT_POST, true);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
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$data = curl_exec($ch);
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//返回结果
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if ($data) {
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curl_close($ch);
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return $data;
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} else {
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$error = curl_errno($ch);
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echo "curl出错，错误码:$error" . "<br>";
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echo "<a href='http://curl.haxx.se/libcurl/c/libcurl-errors.html'>错误原因查询</a></br>";
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curl_close($ch);
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return false;
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}
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}
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/**
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*
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* 查询订单，WxPayOrderQuery中out_trade_no、transaction_id至少填一个
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* appid、mchid、spbill_create_ip、nonce_str不需要填入
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* @param WxPayConfigInterface $config 配置对象
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* @param WxPayOrderQuery $inputObj
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* @param int $timeOut
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* @return 成功时返回，其他抛异常
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* @throws WxPayException
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*/
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protected function orderQuery($config, $inputObj, $timeOut = 6)
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{
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$url = "https://api.mch.weixin.qq.com/pay/orderquery";
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//检测必填参数
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if (!$inputObj->IsOut_trade_noSet() && !$inputObj->IsTransaction_idSet()) {
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throw new WxPayException("订单查询接口中，out_trade_no、transaction_id至少填一个！");
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}
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$inputObj->SetAppid($config->GetAppId());//公众账号ID
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$inputObj->SetMch_id($config->GetMerchantId());//商户号
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$inputObj->SetNonce_str(self::getNonceStr());//随机字符串
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$inputObj->SetSign($config);//签名
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$xml = $inputObj->ToXml();
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$startTimeStamp = self::getMillisecond();//请求开始时间
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$response = self::postXmlCurl($config, $xml, $url, false, $timeOut);
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$result = WxPayResults::Init($config, $response);
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self::reportCostTime($config, $url, $startTimeStamp, $result);//上报请求花费时间
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return $result;
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}
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}
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weizong song
5 years ago