微信支付

郴州小程序

2020-04-20

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<?php
namespace WxPay;
/**

微信支付
*/
class wxpay{
private $pay_url = ‘https://api.mch.weixin.qq.com/pay/unifiedorder‘; // 统一支付地址
private $h5_pay_url = ‘https://api.mch.weixin.qq.com/pay/unifiedorder‘; // H5支付地址
private $h5_order = ‘https://api.mch.weixin.qq.com/pay/orderquery‘; // H5支付订单查询地址
private $refund_url = ‘https://api.mch.weixin.qq.com/secapi/pay/refund‘; // 退款地址
private $transfers = ‘https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers‘; // 企业付款到零钱需支付证书
// 证书文件放在与入口文件同级的cert目录下
private $SSLCERT_PATH = ‘cert/apiclient_cert.pem‘; // api证书路径
private $SSLKEY_PATH = ‘cert/apiclient_key.pem‘; // 密钥证书路径
/**
- H5网页支付
- [web_pay description]
- @Author 念天地之悠悠
- @DateTime 2019-05-28
- @param [type] $appid [description] 微信分配的公众账号ID（企业号corpid即为此appId）
- @param [type] $mch_id [description] 微信支付分配的商户号
- @param [type] $body [description] 商品描述如购买商品
- @param [type] $out_trade_no [description] 商户系统内部的订单号
- @param [type] $total_fee [description] 订单金额金额单位分
- @param [type] $notify_url [description] 异步回调地址
- @param [type] $scene_info [description] 场景信息
- @param [type] $wx_key [description] 微信支付秘钥
- @return [type] [description]
  */
  public function web_pay($appid,$mch_id,$body,$out_trade_no,$total_fee,$notify_url,$scene_info,$wx_key){
  $nonce_str = $this->nonce_str(); // 随机字符串
  $spbill_create_ip = request()->ip(); // 终端ip
  $trade_type = ‘MWEB‘; // 交易类型
  $device_info = ‘WEB‘; // 设备号
  $attach = "yidun"; // 附加数据
  $post[‘appid‘] = $appid;
  $post[‘attach‘] = $attach;
  $post[‘body‘] = $body;
  $post[‘device_info‘] = $device_info;
  $post[‘mch_id‘] = $mch_id;
  $post[‘nonce_str‘] = $nonce_str;
  $post[‘notify_url‘] = $notify_url;
  $post[‘out_trade_no‘] = $out_trade_no;
  $post[‘scene_info‘] = $scene_info;
  $post[‘spbill_create_ip‘] = $spbill_create_ip;
  $post[‘total_fee‘] = $total_fee;
  $post[‘trade_type‘] = $trade_type;
  $sign = $this->sign($post,$wx_key);
  $post_xml = ‘<xml>
  <appid>‘.$appid.‘</appid>
  <attach>‘.$attach.‘</attach>
  <body>‘.$body.‘</body>
  <device_info>‘.$device_info.‘</device_info>
  <mch_id>‘.$mch_id.‘</mch_id>
  <nonce_str>‘.$nonce_str.‘</nonce_str>
  <notify_url>‘.$notify_url.‘</notify_url>
  <out_trade_no>‘.$out_trade_no.‘</out_trade_no>
  <spbill_create_ip>‘.$spbill_create_ip.‘</spbill_create_ip>
  <total_fee>‘.$total_fee.‘</total_fee>
  <trade_type>‘.$trade_type.‘</trade_type>
  <scene_info>‘.$scene_info.‘</scene_info>
  <sign>‘.$sign.‘</sign>
  </xml>‘;
  $xml = $this->http_request($this->h5_pay_url,$post_xml);
  // 将xml转数组
  $arr = simplexml_load_string($xml, ‘SimpleXMLElement‘, LIBXML_NOCDATA);
  $xmljson = json_encode($arr);
  $array = json_decode($xmljson,true);
  if ($array[‘return_code‘] == ‘SUCCESS‘ && $array[‘return_msg‘] == ‘OK‘ && $array[‘result_code‘] == ‘SUCCESS‘) {
  // $data[‘return_code‘] = 1;
  // $data[‘mweb_url‘] = $array[‘mweb_url‘];
  $ret = [‘code‘=>1,‘data‘=>$array[‘mweb_url‘],‘msg‘=>‘调用成功!‘];
  }else{
  // $data[‘return_code‘] = 0;
  // $data[‘return_msg‘] = $array[‘err_code_des‘];
  $ret = [‘code‘=>0,‘data‘=>‘‘,‘msg‘=>$array[‘err_code_des‘]];
  }
  return $ret;
  }
  /**
- APP支付
- [app_pay description]
- @Author 念天地之悠悠
- @DateTime 2019-05-28
- @param [type] $appid [description] 微信开放平台审核通过的应用APPID
- @param [type] $mch_id [description] 微信支付分配的商户号
- @param [type] $body [description] 商品描述如购买商品
- @param [type] $out_trade_no [description] 商户系统内部的订单号
- @param [type] $total_fee [description] 订单金额单位分
- @param [type] $notify_url [description] 异步回调地址
- @param [type] $wx_key [description] 微信支付秘钥
- @return [type] [description]
  */
  public function app_pay($appid,$mch_id,$body,$out_trade_no,$total_fee,$notify_url,$wx_key){
  $nonce_str = $this->nonce_str(); // 随机字符串
  $spbill_create_ip = request()->ip(); // 终端ip
  $trade_type = ‘APP‘; // 交易类型
  $post[‘appid‘] = $appid;
  $post[‘body‘] = $body;
  $post[‘mch_id‘] = $mch_id;
  $post[‘nonce_str‘] = $nonce_str;
  $post[‘notify_url‘] = $notify_url;
  $post[‘out_trade_no‘] = $out_trade_no;
  $post[‘spbill_create_ip‘] = $spbill_create_ip;
  $post[‘total_fee‘] = $total_fee;
  $post[‘trade_type‘] = $trade_type;
  $sign = $this->sign($post,$wx_key);
  $post_xml = ‘<xml>
  <appid>‘.$appid.‘</appid>
  <body>‘.$body.‘</body>
  <mch_id>‘.$mch_id.‘</mch_id>
  <nonce_str>‘.$nonce_str.‘</nonce_str>
  <notify_url>‘.$notify_url.‘</notify_url>
  <out_trade_no>‘.$out_trade_no.‘</out_trade_no>
  <spbill_create_ip>‘.$spbill_create_ip.‘</spbill_create_ip>
  <total_fee>‘.$total_fee.‘</total_fee>
  <trade_type>‘.$trade_type.‘</trade_type>
  <sign>‘.$sign.‘</sign>
  </xml>‘;
  $xml = $this->http_request($this->pay_url,$post_xml);
  // 将xml转数组
  $arr = simplexml_load_string($xml, ‘SimpleXMLElement‘, LIBXML_NOCDATA);
  $xmljson = json_encode($arr);
  $array = json_decode($xmljson,true);
  if ($array[‘return_code‘] == ‘SUCCESS‘ && $array[‘result_code‘] == ‘SUCCESS‘) {
  // 进行二签
  $data[‘appid‘] = $appid; // appid
  $data[‘noncestr‘] = $this->nonce_str(); // 随机字符串
  $data[‘package‘] = ‘Sign=WXPay‘; // 固定值
  $data[‘partnerid‘] = $mch_id; // 商户号
  $data[‘prepayid‘] = $array[‘prepay_id‘]; // 支付交易会话ID
  $data[‘timestamp‘] = (string)time(); // 时间戳
  $data[‘sign‘] = $this->sign($data,$wx_key); // 签名
  $ret = [‘code‘=>1,‘data‘=>$data,‘msg‘=>‘调用成功!‘];
  }else{
  $ret = [‘code‘=>0,‘data‘=>‘‘,‘msg‘=>$array[‘return_msg‘]];
  // $data[‘return_code‘] = 0;
  // $data[‘return_msg‘] = $array[‘return_msg‘];
  }
  return $ret;
  }
  /**
- H5支付订单查询
- [get_H5_order description]
- @Author 念天地之悠悠
- @DateTime 2019-06-04
- @param [type] $appid [description] 微信支付分配的公众账号ID（企业号corpid即为此appId）
- @param [type] $mch_id [description] 商户号
- @param [type] $out_trade_no [description] 自定义单号
- @param [type] $wx_key [description] 支付秘钥
- @return [type] [description]
  */
  public function get_H5_order($appid,$mch_id,$out_trade_no,$wx_key){
  $nonce_str = $this->nonce_str(); // 随机字符串
  $post[‘appid‘] = $appid;
  $post[‘mch_id‘] = $mch_id;
  $post[‘nonce_str‘] = $nonce_str;
  $post[‘out_trade_no‘] = $out_trade_no;
  $sign = $this->sign($post,$wx_key);
  $post_xml = ‘<xml>
  <appid>‘.$appid.‘</appid>
  <mch_id>‘.$mch_id.‘</mch_id>
  <nonce_str>‘.$nonce_str.‘</nonce_str>
  <out_trade_no>‘.$out_trade_no.‘</out_trade_no>
  <sign>‘.$sign.‘</sign>
  </xml>‘;
  $xml = $this->http_request($this->h5_order,$post_xml);
  // 将xml转数组
  $arr = simplexml_load_string($xml, ‘SimpleXMLElement‘, LIBXML_NOCDATA);
  $xmljson = json_encode($arr);
  $array = json_decode($xmljson,true);
  $data = [];
  if ($array[‘return_code‘] == ‘SUCCESS‘ && $array[‘result_code‘] == ‘SUCCESS‘ && $array[‘trade_state‘] == ‘SUCCESS‘) {
  $data[‘code‘] = 1;
  $data[‘transaction_id‘] = $array[‘transaction_id‘];
  }else{
  $data[‘code‘] = 0;
  }
  return $data;
  }
  /**
- 微信小程序支付
- [pay description]
- @Author 念天地之悠悠
- @DateTime 2019-03-11
- @param [type] $appid [description] 小程序APPid
- @param [type] $body [description] 商品描述
- @param [type] $mch_id [description] 商户id
- @param [type] $notify_url [description] 异步通知地址
- @param [type] $openid [description] 微信用户唯一标识符
- @param [type] $order_no [description] 商户自定义订单号
- @param [type] $total_fee [description] 总金额单位分
- @param [type] $trade_type [description] 交易类型
- @param [type] $spbill_create_ip [description] 终端的ip地址
- @param [type] $wx_key [description] 申请支付后设置的key
- @return [type] [description]
  */
  public function pay($appid,$body,$mch_id,$notify_url,$openid,$order_no,$total_fee,$trade_type,$spbill_create_ip,$wx_key){
  $post = [];
  $nonce_str = $this->nonce_str();
  //这里是按照顺序的因为下面的签名是按照顺序排序错误肯定出错
  $post[‘appid‘] = $appid; // 小程序APPid
  $post[‘body‘] = $body; // 商品描述
  $post[‘mch_id‘] = $mch_id; // 商户id
  $post[‘nonce_str‘] = $nonce_str; // 随机字符串
  $post[‘notify_url‘] = $notify_url; // 异步通知地址
  $post[‘openid‘] = $openid; // 微信用户唯一标识符
  $post[‘out_trade_no‘] = $order_no; // 商户自定义订单号
  $post[‘spbill_create_ip‘] = $spbill_create_ip; // 终端的ip
  $post[‘total_fee‘] = (int)$total_fee; // 总金额
  $post[‘trade_type‘] = $trade_type; // 交易类型
  $sign = $this->sign($post,$wx_key); //签名
  $post_xml = ‘<xml>
  <appid>‘.$appid.‘</appid>
  <body>‘.$post[‘body‘].‘</body>
  <mch_id>‘.$mch_id.‘</mch_id>
  <nonce_str>‘.$nonce_str.‘</nonce_str>
  <notify_url>‘.$notify_url.‘</notify_url>
  <openid>‘.$openid.‘</openid>
  <out_trade_no>‘.$order_no.‘</out_trade_no>
  <spbill_create_ip>‘.$spbill_create_ip.‘</spbill_create_ip>
  <total_fee>‘.(int)$total_fee.‘</total_fee>
  <trade_type>‘.$trade_type.‘</trade_type>
  <sign>‘.$sign.‘</sign>
  </xml> ‘;
  $xml = $this->http_request($this->pay_url,$post_xml);
  // 将xml转数组
  $arr = simplexml_load_string($xml, ‘SimpleXMLElement‘, LIBXML_NOCDATA);
  $xmljson = json_encode($arr);
  $array = json_decode($xmljson,true);
  if ($array[‘return_code‘] == ‘SUCCESS‘ && $array[‘result_code‘] == ‘SUCCESS‘) {
  $time = time();
  $tmp = ‘‘;//临时数组用于签名
  $tmp[‘appId‘] = $appid;
  $tmp[‘nonceStr‘] = $nonce_str;
  $tmp[‘package‘] = ‘prepay_id=‘.$array[‘prepay_id‘];
  $tmp[‘signType‘] = ‘MD5‘;
  $tmp[‘timeStamp‘] = "$time";
```
$data[‘code‘]                 = 1;
$data[‘msg‘]                  = ‘成功!‘;
$data[‘data‘][‘timeStamp‘]    = "$time";                            // 时间戳
$data[‘data‘][‘nonceStr‘]     = $nonce_str;                         // 随机字符串
$data[‘data‘][‘signType‘]     = ‘MD5‘;                              // 签名算法，暂支持 MD5
$data[‘data‘][‘package‘]      = ‘prepay_id=‘.$array[‘prepay_id‘];   // 统一下单接口返回的 prepay_id 参数值，提交格式如：prepay_id=*
$data[‘data‘][‘paySign‘]      = $this->sign($tmp,$wx_key);          // 签名,具体签名方案参见微信公众号支付帮助文档;
$data[‘data‘][‘out_trade_no‘] = $order_no;
```
  }else{
  $data[‘code‘] = 0;
  $data[‘msg‘] = $array[‘err_code_des‘];
  $data[‘data‘][‘return_code‘] = $array[‘return_code‘]; // 微信支付返回码
  $data[‘data‘][‘return_msg‘] = $array[‘err_code_des‘]; // 微信支付返回消息
  }
  return $data;
  }
  /**
- 微信退款
- [wx_refund description]
- @Author 念天地之悠悠
- @DateTime 2019-03-11
- @param [type] $appid [description] APPID
- @param [type] $mch_id [description] 商户号
- @param [type] $order_no [description] 商户退款单号
- @param [type] $notify_url [description] 异步通知地址
- @param [type] $total_fee [description] 订单金额
- @param [type] $refund_fee [description] 退款金额单位分
- @param [type] $transaction_id [description] 微信单号
- @param [type] $wx_key [description] 申请支付后设置的key
- @return [type] [description]
  */
  public function wx_refund($appid,$mch_id,$order_no,$notify_url,$total_fee,$refund_fee,$transaction_id,$wx_key){
  $post_data = [];
  $nonce_str = $this->nonce_str();
  $post_data[‘appid‘] = $appid; // APPID
  $post_data[‘mch_id‘] = $mch_id; // 商户号
  $post_data[‘nonce_str‘] = $nonce_str; // 随机码
  $post_data[‘out_refund_no‘] = $order_no; // 商户退款单号
  $post_data[‘refund_fee‘] = (int)$refund_fee; // 退款金额
  $post_data[‘total_fee‘] = (int)$total_fee; // 订单金额
  $post_data[‘transaction_id‘] = $transaction_id; // 微信单号
  $sign = $this->sign($post_data,$wx_key); // 签名
  $post_xml = ‘<xml>
  <appid>‘.$appid.‘</appid>
  <mch_id>‘.$mch_id.‘</mch_id>
  <nonce_str>‘.$nonce_str.‘</nonce_str>
  <out_refund_no>‘.$order_no.‘</out_refund_no>
  <refund_fee>‘.$refund_fee.‘</refund_fee>
  <total_fee>‘.$total_fee.‘</total_fee>
  <transaction_id>‘.$transaction_id.‘</transaction_id>
  <sign>‘.$sign.‘</sign>
  </xml>‘;
  $xml = $this->postXmlSSLCurl($this->refund_url,$post_xml);
  // 将xml转数组
  $arr = simplexml_load_string($xml, ‘SimpleXMLElement‘, LIBXML_NOCDATA);
  $xmljson = json_encode($arr);
  $array = json_decode($xmljson,true);
  $data = [];
  if ($array[‘return_code‘] == ‘SUCCESS‘ && $array[‘result_code‘] == ‘SUCCESS‘) {
  $data[‘code‘] = 1;
  $data[‘data‘] = ‘‘;
  $data[‘msg‘] = ‘调用成功!‘;
  }else{
  $data[‘code‘] = 0;
  $data[‘data‘] = ‘‘;
  $data[‘msg‘] = $array[‘err_code_des‘];
  }
  return $data;
  }
  /**
- 企业向微信用户个人付款(用作提现) 需要支付证书付款到零钱包
- 使用条件
- 1、商户号（或同主体其他非服务商商户号）已入驻90日
- 2、截止今日回推30天，商户号（或同主体其他非服务商商户号）连续不间断保持有交易
- 3、登录微信支付商户平台-产品中心，开通企业付款。
- [wx_transfers description]
- @Author 念天地之悠悠
- @DateTime 2019-07-09
- @param [type] $mch_appid [description] 申请商户号的appid或商户号绑定的appid
- @param [type] $mchid [description] 微信支付分配的商户号
- @param [type] $partner_trade_no [description] 商户订单号，需保持唯一性(只能是字母或者数字，不能包含有其他字符)
- @param [type] $openid [description] 商户appid下，某用户的openid
- @param string $check_name [description] NO_CHECK：不校验真实姓名 FORCE_CHECK：强校验真实姓名
- @param [type] $amount [description] 企业付款金额，单位为分
- @param string $desc [description] 企业付款备注，必填。
- @param [type] $wx_key [description] 支付秘钥
- @return [type] [description]
  */
  public function wx_transfers($mch_appid,$mchid,$partner_trade_no,$openid,$check_name=‘NO_CHECK‘,$amount,$desc=‘提现‘,$wx_key){
  $nonce_str = $this->nonce_str(); // 32位随机字符串
  $spbill_create_ip = request()->ip(); // 终端ip
  $post_data[‘amount‘] = $amount;
  $post_data[‘check_name‘] = $check_name;
  $post_data[‘desc‘] = $desc;
  $post_data[‘mch_appid‘] = $mch_appid;
  $post_data[‘mchid‘] = $mchid;
  $post_data[‘nonce_str‘] = $nonce_str;
  $post_data[‘openid‘] = $openid;
  $post_data[‘partner_trade_no‘] = $partner_trade_no;
  $post_data[‘spbill_create_ip‘] = $spbill_create_ip;
  $sign = $this->sign($post_data,$wx_key);
  $post_xml = ‘<xml>
  <mch_appid>‘.$mch_appid.‘</mch_appid>
  <mchid>‘.$mchid.‘</mchid>
  <nonce_str>‘.$nonce_str.‘</nonce_str>
  <partner_trade_no>‘.$partner_trade_no.‘</partner_trade_no>
  <openid>‘.$openid.‘</openid>
  <check_name>‘.$check_name.‘</check_name>
  <amount>‘.$amount.‘</amount>
  <desc>‘.$desc.‘</desc>
  <spbill_create_ip>‘.$spbill_create_ip.‘</spbill_create_ip>
  <sign>‘.$sign.‘</sign>
  </xml>‘;
  $xml = $this->postXmlSSLCurl($this->transfers,$post_xml);
  // 将xml转数组
  $arr = simplexml_load_string($xml, ‘SimpleXMLElement‘, LIBXML_NOCDATA);
  $xmljson = json_encode($arr);
  $arr = json_decode($xmljson,true);
  return $arr;
  }
  /**
- 签名
- [sign description]
- @Author 念天地之悠悠
- @DateTime 2019-03-11
- @param [type] $data [description] 数据集
- @param [type] $wx_key [description] 微信支付key
- @return [type] [description]
  */
  private function sign($data,$wx_key = ‘‘){
  $stringA = ‘‘;
  foreach ($data as $key => $value) {
  if (!$value) continue;
  if ($stringA) $stringA .= ‘&‘.$key."=".$value;
  else $stringA = $key."=".$value;
  }
  if ($wx_key == ‘‘) {
  $stringSignTemp = $stringA;
  }else{
  $stringSignTemp = $stringA.‘&key=‘.$wx_key;
  }
  return strtoupper(md5($stringSignTemp));
  }
  /**
- 随机32位字符串
- [nonce_str description]
- @Author 念天地之悠悠
- @DateTime 2019-02-21
- @return [type] [description]
  */
  private function nonce_str(){
  $result = ‘‘;
  $str = ‘QWERTYUIOPASDFGHJKLZXVBNMqwertyuioplkjhgfdsamnbvcxz‘;
  for ($i = 0; $i < 32; $i++) {
  $result .= $str[rand(0,48)];
  }
  return $result;
  }
  /**
- curl请求
- [http_request description]
- @Author 念天地之悠悠
- @DateTime 2019-02-21
- @param [type] $url [description]
- @param [type] $data [description]
- @param array $headers [description]
- @return [type] [description]
  */
  public function http_request($url,$data = null,$headers=array()){
  $curl = curl_init();
  if( count($headers) >= 1 ){
  curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
  }
  curl_setopt($curl, CURLOPT_URL, $url);
  curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
  curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
  if (!empty($data)){
  curl_setopt($curl, CURLOPT_POST, 1);
  curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
  }
  curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
  $output = curl_exec($curl);
  curl_close($curl);
  return $output;
  }
  /**
- 需要证书的curl请求
- [postXmlSSLCurl description]
- @Author 念天地之悠悠
- @DateTime 2019-03-12
- @param [type] $url [description] 访问地址
- @param [type] $xml [description] mxl数据体
- @param integer $second [description] 超时时间
- @return [type] [description]
  */
  public function postXmlSSLCurl($url,$xml,$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, $this->SSLCERT_PATH);
  //默认格式为PEM，可以注释
  curl_setopt($ch,CURLOPT_SSLKEYTYPE,‘PEM‘);
  curl_setopt($ch,CURLOPT_SSLKEY, $this->SSLKEY_PATH);
  //post提交方式
  curl_setopt($ch,CURLOPT_POST, true);
  curl_setopt($ch,CURLOPT_POSTFIELDS,$xml);
  $data = curl_exec($ch);
  //返回结果
  if($data){
  curl_close($ch);
  return $data;
  } else {
  $error = curl_errno($ch);
  echo "curl出错，错误码:$error"."<br>";
  curl_close($ch);
  return false;
  }
  }
  }