PHP微信支付WxPayPubHelper

/** * 微信支付帮助库 * ==================================================== * 接口分三种类型： * 【请求型接口】--Wxpay_client_ * 统一支付接口类--UnifiedOrder * 订单查询接口--OrderQuery * 退款申请接口--Refund * 退款查询接口--RefundQuery * 对账单接口--DownloadBill * 短链接转换接口--ShortUrl * 【响应型接口】--Wxpay_server_ * 通用通知接口--Notify * Native支付——请求商家获取商品信息接口--NativeCall * 【其他】 * 静态链接二维码--NativeLink * JSAPI支付--JsApi * ===================================================== * 【CommonUtil】常用工具： * trimString()，设置参数时需要用到的字符处理函数 * createNoncestr()，产生随机字符串，不长于32位 * formatBizQueryParaMap(),格式化参数，签名过程需要用到 * getSign(),生成签名 * arrayToXml(),array转xml * xmlToArray(),xml转 array * postXmlCurl(),以post方式提交xml到对应的接口url * postXmlSSLCurl(),使用证书，以post方式提交xml到对应的接口url */ include_once("SDKRuntimeException.php"); include_once("WxPay.pub.config.php"); /** * 所有接口的基类 */ class Common_util_pub { function __construct() { } function trimString($value) { $ret = null; if (null != $value) { $ret = $value; if (strlen($ret) == 0) { $ret = null; } } return $ret; } /** * 作用：产生随机字符串，不长于32位 */ public function createNoncestr( $length = 32 ) { $chars = "abcdefghijklmnopqrstuvwxyz0123456789"; $str =""; for ( $i = 0; $i < $length; $i++ ) { $str.= substr($chars, mt_rand(0, strlen($chars)-1), 1); } return $str; } /** * 作用：格式化参数，签名过程需要使用 */ function formatBizQueryParaMap($paraMap, $urlencode) { $buff = ""; ksort($paraMap); foreach ($paraMap as $k => $v) { if($urlencode) { $v = urlencode($v); } //$buff .= strtolower($k) . "=" . $v . "&"; $buff .= $k . "=" . $v . "&"; } $reqPar; if (strlen($buff) > 0) { $reqPar = substr($buff, 0, strlen($buff)-1); } return $reqPar; } /** * 作用：生成签名 */ public function getSign($Obj) { foreach ($Obj as $k => $v) { $Parameters[$k] = $v; } //签名步骤一：按字典序排序参数 ksort($Parameters); $String = $this->formatBizQueryParaMap($Parameters, false); //echo '【string1】'.$String.'</br>'; //签名步骤二：在string后加入KEY $String = $String."&key;=".WxPayConf_pub::KEY; //echo "【string2】".$String."</br>"; //签名步骤三：MD5加密 $String = md5($String); //echo "【string3】 ".$String."</br>"; //签名步骤四：所有字符转为大写 $result_ = strtoupper($String); //echo "【result】 ".$result_."</br>"; return $result_; } /** * 作用：array转xml */ function arrayToXml($arr) { $xml = "&lt;xml&gt;"; foreach ($arr as $key=>$val) { if (is_numeric($val)) { $xml.="<".$key.">".$val."</".$key.">"; } else $xml.="<".$key.">&lt;![CDATA[".$val."]]></".$key.">"; } $xml.="&lt;/xml&gt;"; return $xml; } /** * 作用：将xml转为array */ public function xmlToArray($xml) { //将XML转为array $array_data = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true); return $array_data; } /** * 作用：以post方式提交xml到对应的接口url */ public function postXmlCurl($xml,$url,$second=30) { //初始化curl $ch = curl_init(); //设置超时 curl_setopt($ch, CURLOP_TIMEOUT, $second); //这里设置代理，如果有的话 //curl_setopt($ch,CURLOPT_PROXY, '8.8.8.8'); //curl_setopt($ch,CURLOPT_PROXYPORT, 8080); curl_setopt($ch,CURLOPT_URL, $url); curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE); curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE); //设置header curl_setopt($ch, CURLOPT_HEADER, FALSE); //要求结果为字符串且输出到屏幕上 curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); //post提交方式 curl_setopt($ch, CURLOPT_POST, TRUE); curl_setopt($ch, CURLOPT_POSTFIELDS, $xml); //运行curl $data = curl_exec&#40;$ch&#41;; curl_close($ch); //返回结果 if($data) { curl_close($ch); return $data; } else { $error = curl_errno($ch); echo "curl出错，错误码:$error"."<br>"; echo "<a href='http://curl.haxx.se/libcurl/c/libcurl-errors.html'>错误原因查询</a></br>"; curl_close($ch); return false; } } /** * 作用：使用证书，以post方式提交xml到对应的接口url */ function postXmlSSLCurl($xml,$url,$second=30) { $ch = curl_init(); //超时时间 curl_setopt($ch,CURLOPT_TIMEOUT,$second); //这里设置代理，如果有的话 //curl_setopt($ch,CURLOPT_PROXY, '8.8.8.8'); //curl_setopt($ch,CURLOPT_PROXYPORT, 8080); curl_setopt($ch,CURLOPT_URL, $url); curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE); curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE); //设置header curl_setopt($ch,CURLOPT_HEADER,FALSE); //要求结果为字符串且输出到屏幕上 curl_setopt($ch,CURLOPT_RETURNTRANSFER,TRUE); //设置证书 //使用证书：cert 与 key 分别属于两个.pem文件 //默认格式为PEM，可以注释 curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM'); curl_setopt($ch,CURLOPT_SSLCERT, WxPayConf_pub::SSLCERT_PATH); //默认格式为PEM，可以注释 curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM'); curl_setopt($ch,CURLOPT_SSLKEY, WxPayConf_pub::SSLKEY_PATH); curl_setopt($ch,CURLOPT_SSLCERTTYPE,'pem'); curl_setopt($ch,CURLOPT_CAINFO, WxPayConf_pub::ROOTCA_PATH); //post提交方式 curl_setopt($ch,CURLOPT_POST, true); curl_setopt($ch,CURLOPT_POSTFIELDS,$xml); $data = curl_exec&#40;$ch&#41;; //返回结果 if($data){ curl_close($ch); return $data; } else { $error = curl_errno($ch); echo "curl出错，错误码:$error"."<br>"; echo "<a href='http://curl.haxx.se/libcurl/c/libcurl-errors.html'>错误原因查询</a></br>"; curl_close($ch); return false; } } /** * 作用：打印数组 */ function printErr($wording='',$err='') { print_r('<pre>'); echo $wording."</br>"; var_dump($err); print_r('</pre>'); } } /** * 请求型接口的基类 */ class Wxpay_client_pub extends Common_util_pub { var $parameters;//请求参数，类型为关联数组 public $response;//微信返回的响应 public $result;//返回参数，类型为关联数组 var $url;//接口链接 var $curl_timeout;//curl超时时间 /** * 作用：设置请求参数 */ function setParameter($parameter, $parameterValue) { $this->parameters[$this->trimString($parameter)] = $this->trimString($parameterValue); } /** * 作用：设置标配的请求参数，生成签名，生成接口参数xml */ function createXml() { $this->parameters["appid"] = WxPayConf_pub::APPID;//公众账号ID $this->parameters["mch_id"] = WxPayConf_pub::MCHID;//商户号 $this->parameters["nonce_str"] = $this->createNoncestr();//随机字符串 $this->parameters["sign"] = $this->getSign($this->parameters);//签名 return $this->arrayToXml($this->parameters); } /** * 作用：post请求xml */ function postXml() { $xml = $this->createXml(); $this->response = $this->postXmlCurl($xml,$this->url,$this->curl_timeout); return $this->response; } /** * 作用：使用证书post请求xml */ function postXmlSSL() { $xml = $this->createXml(); $this->response = $this->postXmlSSLCurl($xml,$this->url,$this->curl_timeout); return $this->response; } /** * 作用：获取结果，默认不使用证书 */ function getResult() { $this->postXml(); $this->result = $this->xmlToArray($this->response); return $this->result; } } /** * 统一支付接口类 */ class UnifiedOrder_pub extends Wxpay_client_pub { function __construct() { //设置接口链接 $this->url = "https://api.mch.weixin.qq.com/pay/unifiedorder"; //设置curl超时时间 $this->curl_timeout = WxPayConf_pub::CURL_TIMEOUT; } /** * 生成接口参数xml */ function createXml() { try { //检测必填参数 if($this->parameters["out_trade_no"] == null) { throw new SDKRuntimeException("缺少统一支付接口必填参数out_trade_no！"."<br>"); }elseif($this->parameters["body"] == null){ throw new SDKRuntimeException("缺少统一支付接口必填参数body！"."<br>"); }elseif ($this->parameters["total_fee"] == null ) { throw new SDKRuntimeException("缺少统一支付接口必填参数total_fee！"."<br>"); }elseif ($this->parameters["notify_url"] == null) { throw new SDKRuntimeException("缺少统一支付接口必填参数notify_url！"."<br>"); }elseif ($this->parameters["trade_type"] == null) { throw new SDKRuntimeException("缺少统一支付接口必填参数trade_type！"."<br>"); }elseif ($this->parameters["trade_type"] == "JSAPI" && $this->parameters["openid"] == NULL){ throw new SDKRuntimeException("统一支付接口中，缺少必填参数openid！trade_type为JSAPI时，openid为必填参数！"."<br>"); } $this->parameters["appid"] = WxPayConf_pub::APPID;//公众账号ID $this->parameters["mch_id"] = WxPayConf_pub::MCHID;//商户号 $this->parameters["spbill_create_ip"] = $_SERVER['REMOTE_ADDR'];//终端ip $this->parameters["nonce_str"] = $this->createNoncestr();//随机字符串 $this->parameters["sign"] = $this->getSign($this->parameters);//签名 return $this->arrayToXml($this->parameters); }catch (SDKRuntimeException $e) { die($e->errorMessage()); } } /** * 获取prepay_id */ function getPrepayId() { $this->postXml(); $this->result = $this->xmlToArray($this->response); $prepay_id = $this->result["prepay_id"]; return $prepay_id; } } /** * 订单查询接口 */ class OrderQuery_pub extends Wxpay_client_pub { function __construct() { //设置接口链接 $this->url = "https://api.mch.weixin.qq.com/pay/orderquery"; //设置curl超时时间 $this->curl_timeout = WxPayConf_pub::CURL_TIMEOUT; } /** * 生成接口参数xml */ function createXml() { try { //检测必填参数 if($this->parameters["out_trade_no"] == null && $this->parameters["transaction_id"] == null) { throw new SDKRuntimeException("订单查询接口中，out_trade_no、transaction_id至少填一个！"."<br>"); } $this->parameters["appid"] = WxPayConf_pub::APPID;//公众账号ID $this->parameters["mch_id"] = WxPayConf_pub::MCHID;//商户号 $this->parameters["nonce_str"] = $this->createNoncestr();//随机字符串 $this->parameters["sign"] = $this->getSign($this->parameters);//签名 return $this->arrayToXml($this->parameters); }catch (SDKRuntimeException $e) { die($e->errorMessage()); } } } /** * 退款申请接口 */ class Refund_pub extends Wxpay_client_pub { function __construct() { //设置接口链接 $this->url = "https://api.mch.weixin.qq.com/secapi/pay/refund"; //设置curl超时时间 $this->curl_timeout = WxPayConf_pub::CURL_TIMEOUT; } /** * 生成接口参数xml */ function createXml() { try { //检测必填参数 if($this->parameters["out_trade_no"] == null && $this->parameters["transaction_id"] == null) { throw new SDKRuntimeException("退款申请接口中，out_trade_no、transaction_id至少填一个！"."<br>"); }elseif($this->parameters["out_refund_no"] == null){ throw new SDKRuntimeException("退款申请接口中，缺少必填参数out_refund_no！"."<br>"); }elseif($this->parameters["total_fee"] == null){ throw new SDKRuntimeException("退款申请接口中，缺少必填参数total_fee！"."<br>"); }elseif($this->parameters["refund_fee"] == null){ throw new SDKRuntimeException("退款申请接口中，缺少必填参数refund_fee！"."<br>"); }elseif($this->parameters["op_user_id"] == null){ //throw new SDKRuntimeException("退款申请接口中，缺少必填参数op_user_id！"."<br>"); } $this->parameters["appid"] = WxPayConf_pub::APPID;//公众账号ID $this->parameters["mch_id"] = WxPayConf_pub::MCHID;//商户号 $this->parameters["nonce_str"] = $this->createNoncestr();//随机字符串 $this->parameters["sign"] = $this->getSign($this->parameters);//签名 return $this->arrayToXml($this->parameters); }catch (SDKRuntimeException $e) { die($e->errorMessage()); } } /** * 作用：获取结果，使用证书通信 */ function getResult() { $this->postXmlSSL(); $this->result = $this->xmlToArray($this->response); return $this->result; } } /** * 退款查询接口 */ class RefundQuery_pub extends Wxpay_client_pub { function __construct() { //设置接口链接 $this->url = "https://api.mch.weixin.qq.com/pay/refundquery"; //设置curl超时时间 $this->curl_timeout = WxPayConf_pub::CURL_TIMEOUT; } /** * 生成接口参数xml */ function createXml() { try { if($this->parameters["out_refund_no"] == null && $this->parameters["out_trade_no"] == null && $this->parameters["transaction_id"] == null && $this->parameters["refund_id "] == null) { throw new SDKRuntimeException("退款查询接口中，out_refund_no、out_trade_no、transaction_id、refund_id四个参数必填一个！"."<br>"); } $this->parameters["appid"] = WxPayConf_pub::APPID;//公众账号ID $this->parameters["mch_id"] = WxPayConf_pub::MCHID;//商户号 $this->parameters["nonce_str"] = $this->createNoncestr();//随机字符串 $this->parameters["sign"] = $this->getSign($this->parameters);//签名 return $this->arrayToXml($this->parameters); }catch (SDKRuntimeException $e) { die($e->errorMessage()); } } /** * 作用：获取结果，使用证书通信 */ function getResult() { $this->postXmlSSL(); $this->result = $this->xmlToArray($this->response); return $this->result; } } /** * 对账单接口 */ class DownloadBill_pub extends Wxpay_client_pub { function __construct() { //设置接口链接 $this->url = "https://api.mch.weixin.qq.com/pay/downloadbill"; //设置curl超时时间 $this->curl_timeout = WxPayConf_pub::CURL_TIMEOUT; } /** * 生成接口参数xml */ function createXml() { try { if($this->parameters["bill_date"] == null ) { throw new SDKRuntimeException("对账单接口中，缺少必填参数bill_date！"."<br>"); } $this->parameters["appid"] = WxPayConf_pub::APPID;//公众账号ID $this->parameters["mch_id"] = WxPayConf_pub::MCHID;//商户号 $this->parameters["nonce_str"] = $this->createNoncestr();//随机字符串 $this->parameters["sign"] = $this->getSign($this->parameters);//签名 return $this->arrayToXml($this->parameters); }catch (SDKRuntimeException $e) { die($e->errorMessage()); } } /** * 作用：获取结果，默认不使用证书 */ function getResult() { $this->postXml(); $this->result = $this->xmlToArray($this->result_xml); return $this->result; } } /** * 短链接转换接口 */ class ShortUrl_pub extends Wxpay_client_pub { function __construct() { //设置接口链接 $this->url = "https://api.mch.weixin.qq.com/tools/shorturl"; //设置curl超时时间 $this->curl_timeout = WxPayConf_pub::CURL_TIMEOUT; } /** * 生成接口参数xml */ function createXml() { try { if($this->parameters["long_url"] == null ) { throw new SDKRuntimeException("短链接转换接口中，缺少必填参数long_url！"."<br>"); } $this->parameters["appid"] = WxPayConf_pub::APPID;//公众账号ID $this->parameters["mch_id"] = WxPayConf_pub::MCHID;//商户号 $this->parameters["nonce_str"] = $this->createNoncestr();//随机字符串 $this->parameters["sign"] = $this->getSign($this->parameters);//签名 return $this->arrayToXml($this->parameters); }catch (SDKRuntimeException $e) { die($e->errorMessage()); } } /** * 获取prepay_id */ function getShortUrl() { $this->postXml(); $prepay_id = $this->result["short_url"]; return $prepay_id; } } /** * 响应型接口基类 */ class Wxpay_server_pub extends Common_util_pub { public $data;//接收到的数据，类型为关联数组 var $returnParameters;//返回参数，类型为关联数组 /** * 将微信的请求xml转换成关联数组，以方便数据处理 */ function saveData($xml) { $this->data = $this->xmlToArray($xml); } function checkSign() { $tmpData = $this->data; unset($tmpData['sign']); $sign = $this->getSign($tmpData);//本地签名 if ($this->data['sign'] == $sign) { return TRUE; } return FALSE; } /** * 获取微信的请求数据 */ function getData() { return $this->data; } /** * 设置返回微信的xml数据 */ function setReturnParameter($parameter, $parameterValue) { $this->returnParameters[$this->trimString($parameter)] = $this->trimString($parameterValue); } /** * 生成接口参数xml */ function createXml() { return $this->arrayToXml($this->returnParameters); } /** * 将xml数据返回微信 */ function returnXml() { $returnXml = $this->createXml(); return $returnXml; } } /** * 通用通知接口 */ class Notify_pub extends Wxpay_server_pub { } /** * 请求商家获取商品信息接口 */ class NativeCall_pub extends Wxpay_server_pub { /** * 生成接口参数xml */ function createXml() { if($this->returnParameters["return_code"] == "SUCCESS"){ $this->returnParameters["appid"] = WxPayConf_pub::APPID;//公众账号ID $this->returnParameters["mch_id"] = WxPayConf_pub::MCHID;//商户号 $this->returnParameters["nonce_str"] = $this->createNoncestr();//随机字符串 $this->returnParameters["sign"] = $this->getSign($this->returnParameters);//签名 } return $this->arrayToXml($this->returnParameters); } /** * 获取product_id */ function getProductId() { $product_id = $this->data["product_id"]; return $product_id; } } /** * 静态链接二维码 */ class NativeLink_pub extends Common_util_pub { var $parameters;//静态链接参数 var $url;//静态链接 function __construct() { } /** * 设置参数 */ function setParameter($parameter, $parameterValue) { $this->parameters[$this->trimString($parameter)] = $this->trimString($parameterValue); } /** * 生成Native支付链接二维码 */ function createLink() { try { if($this->parameters["product_id"] == null) { throw new SDKRuntimeException("缺少Native支付二维码链接必填参数product_id！"."<br>"); } $this->parameters["appid"] = WxPayConf_pub::APPID;//公众账号ID $this->parameters["mch_id"] = WxPayConf_pub::MCHID;//商户号 $time_stamp = time(); $this->parameters["time_stamp"] = "$time_stamp";//时间戳 $this->parameters["nonce_str"] = $this->createNoncestr();//随机字符串 $this->parameters["sign"] = $this->getSign($this->parameters);//签名 $bizString = $this->formatBizQueryParaMap($this->parameters, false); $this->url = "weixin://wxpay/bizpayurl?".$bizString; }catch (SDKRuntimeException $e) { die($e->errorMessage()); } } /** * 返回链接 */ function getUrl() { $this->createLink(); return $this->url; } } /** * JSAPI支付——H5网页端调起支付接口 */ class JsApi_pub extends Common_util_pub { var $code;//code码，用以获取openid var $openid;//用户的openid var $parameters;//jsapi参数，格式为json var $prepay_id;//使用统一支付接口得到的预支付id var $curl_timeout;//curl超时时间 function __construct() { //设置curl超时时间 $this->curl_timeout = WxPayConf_pub::CURL_TIMEOUT; } /** * 作用：生成可以获得code的url */ function createOauthUrlForCode($redirectUrl) { $urlObj["appid"] = WxPayConf_pub::APPID; $urlObj["redirect_uri"] = "$redirectUrl"; $urlObj["response_type"] = "code"; $urlObj["scope"] = "snsapi_base"; $urlObj["state"] = "STATE"."#wechat_redirect"; $bizString = $this->formatBizQueryParaMap($urlObj, false); return "https://open.weixin.qq.com/connect/oauth2/authorize?".$bizString; } /** * 作用：生成可以获得openid的url */ function createOauthUrlForOpenid() { $urlObj["appid"] = WxPayConf_pub::APPID; $urlObj["secret"] = WxPayConf_pub::APPSECRET; $urlObj["code"] = $this->code; $urlObj["grant_type"] = "authorization_code"; $bizString = $this->formatBizQueryParaMap($urlObj, false); return "https://api.weixin.qq.com/sns/oauth2/access_token?".$bizString; } /** * 作用：通过curl向微信提交code，以获取openid */ function getOpenid() { $url = $this->createOauthUrlForOpenid(); //初始化curl $ch = curl_init(); //设置超时 curl_setopt($ch, CURLOP_TIMEOUT, $this->curl_timeout); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE); curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE); curl_setopt($ch, CURLOPT_HEADER, FALSE); curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); //运行curl，结果以jason形式返回 $res = curl_exec&#40;$ch&#41;; curl_close($ch); //取出openid $data = json_decode($res,true); $this->openid = $data['openid']; return $this->openid; } /** * 作用：设置prepay_id */ function setPrepayId($prepayId) { $this->prepay_id = $prepayId; } /** * 作用：设置code */ function setCode($code_) { $this->code = $code_; } /** * 作用：设置jsapi的参数 */ public function getParameters() { $jsApiObj["appId"] = WxPayConf_pub::APPID; $timeStamp = time(); $jsApiObj["timeStamp"] = "$timeStamp"; $jsApiObj["nonceStr"] = $this->createNoncestr(); $jsApiObj["package"] = "prepay_id=$this->prepay_id"; $jsApiObj["signType"] = "MD5"; $jsApiObj["paySign"] = $this->getSign($jsApiObj); $this->parameters = json_encode($jsApiObj); return $this->parameters; } }