PHP怎么实现生成微信红包的功能

weixin_appid = C('wap_weixin_appid'); $this->mch_id = C('wechat_mch_id'); $this->send_name = C('wechat_send_name'); $this->wishing = C('wechat_wishing'); $this->act_name = C('wechat_act_name'); $this->client_ip = $_SERVER['SERVER_ADDR']; $this->remark = C('wechat_remark'); $this->nonce_str = $this->create_nonce_str(32); $this->api_password = C('wechat_api_password'); $inc_file = BASE_PATH.DS.'api'.DS.'wechat'.DS.'arraytoxml.php'; if(is_file($inc_file)) { require($inc_file); } $this->arraytoxml = new ArrayToXML(); } public function send_post($mch_billno,$re_openid,$total_amount){ $sign = $this->create_sign($mch_billno,$re_openid,$total_amount); $send_array = array( 'nonce_str' => $this->nonce_str, 'mch_billno' => $mch_billno, 'mch_id' => $this->mch_id, 'wxappid' => $this->weixin_appid, 'send_name' => $this->send_name, 're_openid' => $re_openid, 'total_amount' => $total_amount, 'total_num' => $this->total_num, 'wishing' => $this->wishing, 'client_ip' => $this->client_ip, 'act_name' => $this->act_name, 'remark' => $this->remark, 'sign' => $sign, ); $send_xml = $this->arraytoxml->toXml($send_array,''); $data = $this->curl_post_ssl($this->url, $send_xml); $data = $this->xmlToArray($data); file_put_contents('adki',var_export($data,true),FILE_APPEND); } /* 请确保您的libcurl版本是否支持双向认证，版本高于7.20.1 */ private function curl_post_ssl($url, $vars, $second=30,$aHeader=array()){ $ch = curl_init(); //超时时间 curl_setopt($ch,CURLOPT_TIMEOUT,$second); curl_setopt($ch,CURLOPT_RETURNTRANSFER, 1); //这里设置代理，如果有的话 //curl_setopt($ch,CURLOPT_PROXY, '10.206.30.98'); //curl_setopt($ch,CURLOPT_PROXYPORT, 8080); curl_setopt($ch,CURLOPT_URL,$url); curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false); curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,false); //以下两种方式需选择一种 //第一种方法，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,getcwd().$this->public_key); //默认格式为PEM，可以注释 curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM'); curl_setopt($ch,CURLOPT_SSLKEY,getcwd().$this->private_key); //ca证书 curl_setopt($ch,CURLOPT_CAINFO,$this->rootca); //第二种方式，两个文件合成一个.pem文件 //curl_setopt($ch,CURLOPT_SSLCERT,getcwd().'/all.pem'); if( count($aHeader) >= 1 ){ curl_setopt($ch, CURLOPT_HTTPHEADER, $aHeader); } curl_setopt($ch,CURLOPT_POST, 1); curl_setopt($ch,CURLOPT_POSTFIELDS,$vars); $data = curl_exec($ch); if($data){ curl_close($ch); return $data; } else { $error = curl_errno($ch); echo "call faild, errorCode:$error\n\n\n\n"; curl_close($ch); return false; } } //生成签名 private function create_sign($mch_billno,$re_openid,$total_amount){ $string_array = array( 'act_name' => $this->act_name, 'client_ip' => $this->client_ip, 'mch_billno' => $mch_billno, 'mch_id' => $this->mch_id, 'nonce_str' => $this->nonce_str, 're_openid' => $re_openid, 'remark' => $this->remark, 'send_name' => $this->send_name, 'total_amount' => $total_amount, 'total_num' => $this->total_num, 'wishing' => $this->wishing, 'wxappid' => $this->weixin_appid, ); foreach ($string_array as $key => $value){ if(!empty($value)){ $stringA .= "$key=$value"; if($key != 'wxappid'){ $stringA .= '&'; } } } //转成UTF-8 $stringA = $this->gbkToUtf8($stringA); $stringSignTemp="$stringA&key=$this->api_password"; $sign = MD5($stringSignTemp); $sign = strtoupper($sign); return $sign; } //生成随机字符串 private function create_nonce_str($length){ $str = null; $strPol = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz"; $max = strlen($strPol)-1; for($i=0;$i<$length;$i++){ $str.=$strPol[rand(0,$max)];//rand($min,$max)生成介于min和max两个数之间的一个随机整数 } return $str; } /** *自动判断把gbk或gb2312编码的字符串转为utf8 *能自动判断输入字符串的编码类，如果本身是utf-8就不用转换，否则就转换为utf-8的字符串 *支持的字符编码类型是：utf-8,gbk,gb2312 *@$str:string 字符串 */ private function gbkToUtf8($str){ $charset = mb_detect_encoding($str,array('ASCII','UTF-8','GBK','GB2312')); $charset = strtolower($charset); if("utf-8" != $charset){ $str = iconv('UTF-8',$charset,$str); } return $str; } private function xmlToArray($postStr){ $msg = array(); $msg = (array)simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA); return $msg; } }

'; foreach ($data as $key => $value){ if (is_numeric($value)){ $xml .= "<".$key.">".$value.""; }else{ $xml .= "<".$key.">"; } } $xml .= ''; return $xml; } }

<?php /******************************************************** * @author Kyler You <QQ:2444756311> * @link http://mp.weixin.qq.com/wiki/home/index.html * @version 2.0.1 * @uses $wxApi = new WxApi(); * @package 微信API接口陆续会继续进行更新 ********************************************************/ class WxApi { const appId = ""; const appSecret = ""; const mchid = ""; //商户号 const privatekey = ""; //私钥 public $parameters = array(); public function __construct(){ } /**************************************************** * 微信提交API方法，返回微信指定JSON ****************************************************/ public function wxHttpsRequest($url,$data = null){ $curl = curl_init(); curl_setopt($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 $output; } /**************************************************** * 微信带证书提交数据 - 微信红包使用 ****************************************************/ public function wxHttpsRequestPem($url, $vars, $second=30,$aHeader=array()){ $ch = curl_init(); //超时时间 curl_setopt($ch,CURLOPT_TIMEOUT,$second); curl_setopt($ch,CURLOPT_RETURNTRANSFER, 1); //这里设置代理，如果有的话 //curl_setopt($ch,CURLOPT_PROXY, '10.206.30.98'); //curl_setopt($ch,CURLOPT_PROXYPORT, 8080); curl_setopt($ch,CURLOPT_URL,$url); curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false); curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,false); //以下两种方式需选择一种 //第一种方法，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,getcwd().'/apiclient_cert.pem'); //默认格式为PEM，可以注释 curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM'); curl_setopt($ch,CURLOPT_SSLKEY,getcwd().'/apiclient_key.pem'); curl_setopt($ch,CURLOPT_CAINFO,'PEM'); curl_setopt($ch,CURLOPT_CAINFO,getcwd().'/rootca.pem'); //第二种方式，两个文件合成一个.pem文件 //curl_setopt($ch,CURLOPT_SSLCERT,getcwd().'/all.pem'); if( count($aHeader) >= 1 ){ curl_setopt($ch, CURLOPT_HTTPHEADER, $aHeader); } curl_setopt($ch,CURLOPT_POST, 1); curl_setopt($ch,CURLOPT_POSTFIELDS,$vars); $data = curl_exec($ch); if($data){ curl_close($ch); return $data; } else { $error = curl_errno($ch); echo "call faild, errorCode:$error\n"; curl_close($ch); return false; } } /**************************************************** * 微信获取AccessToken 返回指定微信公众号的at信息 ****************************************************/ public function wxAccessToken($appId = NULL , $appSecret = NULL){ $appId = is_null($appId) ? self::appId : $appId; $appSecret = is_null($appSecret) ? self::appSecret : $appSecret; //echo $appId,$appSecret; $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$appId."&secret=".$appSecret; $result = $this->wxHttpsRequest($url); //print_r($result); $jsoninfo = json_decode($result, true); $access_token = $jsoninfo["access_token"]; return $access_token; } /**************************************************** * 微信通过OPENID获取用户信息，返回数组 ****************************************************/ public function wxGetUser($openId){ $wxAccessToken = $this->wxAccessToken(); $url = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=".$wxAccessToken."&openid=".$openId."&lang=zh_CN"; $result = $this->wxHttpsRequest($url); $jsoninfo = json_decode($result, true); return $jsoninfo; } /**************************************************** * 微信通过指定模板信息发送给指定用户，发送完成后返回指定JSON数据 ****************************************************/ public function wxSendTemplate($jsonData){ $wxAccessToken = $this->wxAccessToken(); $url = "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=".$wxAccessToken; $result = $this->wxHttpsRequest($url,$jsonData); return $result; } /**************************************************** * 发送自定义的模板消息 ****************************************************/ public function wxSetSend($touser, $template_id, $url, $data, $topcolor = '#7B68EE'){ $template = array( 'touser' => $touser, 'template_id' => $template_id, 'url' => $url, 'topcolor' => $topcolor, 'data' => $data ); $jsonData = json_encode($template); $result = $this->wxSendTemplate($jsonData); return $result; } /**************************************************** * 微信设置OAUTH跳转URL，返回字符串信息 - SCOPE = snsapi_base //验证时不返回确认页面，只能获取OPENID ****************************************************/ public function wxOauthBase($redirectUrl,$state = "",$appId = NULL){ $appId = is_null($appId) ? self::appId : $appId; $url = "https://open.weixin.qq.com/connect/oauth3/authorize?appid=".$appId."&redirect_uri=".$redirectUrl."&response_type=code&scope=snsapi_base&state=".$state."#wechat_redirect"; return $url; } /**************************************************** * 微信设置OAUTH跳转URL，返回字符串信息 - SCOPE = snsapi_userinfo //获取用户完整信息 ****************************************************/ public function wxOauthUserinfo($redirectUrl,$state = "",$appId = NULL){ $appId = is_null($appId) ? self::appId : $appId; $url = "https://open.weixin.qq.com/connect/oauth3/authorize?appid=".$appId."&redirect_uri=".$redirectUrl."&response_type=code&scope=snsapi_userinfo&state=".$state."#wechat_redirect"; return $url; } /**************************************************** * 微信OAUTH跳转指定URL ****************************************************/ public function wxHeader($url){ header("location:".$url); } /**************************************************** * 微信通过OAUTH返回页面中获取AT信息 ****************************************************/ public function wxOauthAccessToken($code,$appId = NULL , $appSecret = NULL){ $appId = is_null($appId) ? self::appId : $appId; $appSecret = is_null($appSecret) ? self::appSecret : $appSecret; $url = "https://api.weixin.qq.com/sns/oauth3/access_token?appid=".$appId."&secret=".$appSecret."&code=".$code."&grant_type=authorization_code"; $result = $this->wxHttpsRequest($url); //print_r($result); $jsoninfo = json_decode($result, true); //$access_token = $jsoninfo["access_token"]; return $jsoninfo; } /**************************************************** * 微信通过OAUTH的Access_Token的信息获取当前用户信息 // 只执行在snsapi_userinfo模式运行 ****************************************************/ public function wxOauthUser($OauthAT,$openId){ $url = "https://api.weixin.qq.com/sns/userinfo?access_token=".$OauthAT."&openid=".$openId."&lang=zh_CN"; $result = $this->wxHttpsRequest($url); $jsoninfo = json_decode($result, true); return $jsoninfo; } /***************************************************** * 生成随机字符串 - 最长为32位字符串 *****************************************************/ public function wxNonceStr($length = 16, $type = FALSE) { $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; $str = ""; for ($i = 0; $i < $length; $i++) { $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1); } if($type == TRUE){ return strtoupper(md5(time() . $str)); } else { return $str; } } /******************************************************* * 微信商户订单号 - 最长28位字符串 *******************************************************/ public function wxMchBillno($mchid = NULL) { if(is_null($mchid)){ if(self::mchid == "" || is_null(self::mchid)){ $mchid = time(); } else{ $mchid = self::mchid; } } else{ $mchid = substr(addslashes($mchid),0,10); } return date("Ymd",time()).time().$mchid; } /******************************************************* * 微信格式化数组变成参数格式 - 支持url加密 *******************************************************/ public function wxSetParam($parameters){ if(is_array($parameters) && !empty($parameters)){ $this->parameters = $parameters; return $this->parameters; } else{ return array(); } } /******************************************************* * 微信格式化数组变成参数格式 - 支持url加密 *******************************************************/ public function wxFormatArray($parameters = NULL, $urlencode = FALSE){ if(is_null($parameters)){ $parameters = $this->parameters; } $restr = "";//初始化空 ksort($parameters);//排序参数 foreach ($parameters as $k => $v){//循环定制参数 if (null != $v && "null" != $v && "sign" != $k) { if($urlencode){//如果参数需要增加URL加密就增加，不需要则不需要 $v = urlencode($v); } $restr .= $k . "=" . $v . "&";//返回完整字符串 } } if (strlen($restr) > 0) {//如果存在数据则将最后“&”删除 $restr = substr($restr, 0, strlen($restr)-1); } return $restr;//返回字符串 } /******************************************************* * 微信MD5签名生成器 - 需要将参数数组转化成为字符串[wxFormatArray方法] *******************************************************/ public function wxMd5Sign($content, $privatekey){ try { if (is_null($key)) { throw new Exception("财付通签名key不能为空！"); } if (is_null($content)) { throw new Exception("财付通签名内容不能为空"); } $signStr = $content . "&key=" . $key; return strtoupper(md5($signStr)); } catch (Exception $e) { die($e->getMessage()); } } /******************************************************* * 微信Sha1签名生成器 - 需要将参数数组转化成为字符串[wxFormatArray方法] *******************************************************/ public function wxSha1Sign($content, $privatekey){ try { if (is_null($key)) { throw new Exception("财付通签名key不能为空！"); } if (is_null($content)) { throw new Exception("财付通签名内容不能为空"); } $signStr = $content . "&key=" . $key; return strtoupper(sha1($signStr)); } catch (Exception $e) { die($e->getMessage()); } } /******************************************************* * 将数组解析XML - 微信红包接口 *******************************************************/ public function wxArrayToXml($parameters = NULL){ if(is_null($parameters)){ $parameters = $this->parameters; } if(!is_array($parameters) || empty($parameters)){ die("参数不为数组无法解析"); } $xml = "<xml>"; foreach ($arr as $key=>$val) { if (is_numeric($val)) { $xml.="<".$key.">".$val."</".$key.">"; } else $xml.="<".$key."><![CDATA[".$val."]]></".$key.">"; } $xml.="</xml>"; return $xml; } }

class Wxapi { private $app_id = 'wxXXXXXXXXXXXX'; //公众账号appid，首先申请与之配套的公众账号 private $app_secret = 'XXXXXXXXXXXXXXXXXXXXXXXX';//公众号secret，用户获取用户授权token private $app_mchid = 'XXXXXXXX';//商户号id function __construct(){ //do sth here.... } /** * 微信支付 * @param string $openid 用户openid */ public function pay($re_openid) { include_once('WxHongBaoHelper.php'); $commonUtil = new CommonUtil(); $wxHongBaoHelper = new WxHongBaoHelper(); $wxHongBaoHelper->setParameter("nonce_str", $this->great_rand());//随机字符串，丌长于 32 位 $wxHongBaoHelper->setParameter("mch_billno", $this->app_mchid.date('YmdHis').rand(1000, 9999));//订单号 $wxHongBaoHelper->setParameter("mch_id", $this->app_mchid);//商户号 $wxHongBaoHelper->setParameter("wxappid", $this->app_id); $wxHongBaoHelper->setParameter("nick_name", '红包');//提供方名称 $wxHongBaoHelper->setParameter("send_name", '红包');//红包发送者名称 $wxHongBaoHelper->setParameter("re_openid", $re_openid);//相对于医脉互通的openid $wxHongBaoHelper->setParameter("total_amount", 100);//付款金额，单位分 $wxHongBaoHelper->setParameter("min_value", 100);//最小红包金额，单位分 $wxHongBaoHelper->setParameter("max_value", 100);//最大红包金额，单位分 $wxHongBaoHelper->setParameter("total_num", 1);//红包収放总人数 $wxHongBaoHelper->setParameter("wishing", '感谢您参与红包派发活动，祝您新年快乐！');//红包祝福诧 $wxHongBaoHelper->setParameter("client_ip", '127.0.0.1');//调用接口的机器 Ip 地址 $wxHongBaoHelper->setParameter("act_name", '红包活动');//活劢名称 $wxHongBaoHelper->setParameter("remark", '快来抢！');//备注信息 $postXml = $wxHongBaoHelper->create_hongbao_xml(); $url = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack'; $responseXml = $wxHongBaoHelper->curl_post_ssl($url, $postXml); //用作结果调试输出 //echo htmlentities($responseXml,ENT_COMPAT,'UTF-8'); $responseObj = simplexml_load_string($responseXml, 'SimpleXMLElement', LIBXML_NOCDATA); return $responseObj->return_code; }

/** 例如： appid： wxd111665abv58f4f mch_id： 10000100 device_info： 1000 Body： test nonce_str： ibuaiVcKdpRxkhJA 第一步：对参数按照 key=value 的格式，并按照参数名 ASCII 字典序排序如下： stringA="appid=wxd930ea5d5a258f4f&body=test&device_info=1000&mch_i d=10000100&nonce_str=ibuaiVcKdpRxkhJA"; 第二步：拼接支付密钥： stringSignTemp="stringA&key=192006250b4c09247ec02edce69f6a2d" sign=MD5(stringSignTemp).toUpperCase()="9A0A8659F005D6984697E2CA0A 9CF3B7" */ protected function get_sign(){ define('PARTNERKEY',"QSRXXXXXXXXXXXXXXXXXXXXX"); try { if (null == PARTNERKEY || "" == PARTNERKEY ) { throw new SDKRuntimeException("密钥不能为空！" . "<br>"); } if($this->check_sign_parameters() == false) { //检查生成签名参数 throw new SDKRuntimeException("生成签名参数缺失！" . "<br>"); } $commonUtil = new CommonUtil(); ksort($this->parameters); $unSignParaString = $commonUtil->formatQueryParaMap($this->parameters, false); $md5SignUtil = new MD5SignUtil(); return $md5SignUtil->sign($unSignParaString,$commonUtil->trimString(PARTNERKEY)); }catch (SDKRuntimeException $e) { die($e->errorMessage()); } }

@require "pay.php"; //获取用户信息 $get = $_GET['param']; $code = $_GET['code']; //判断code是否存在 if($get=='access_token' && !empty($code)){ $param['param'] = 'access_token'; $param['code'] = $code; $packet = new Packet(); //获取用户openid信息 $userinfo = $packet->_route('userinfo',$param); if(empty($userinfo['openid'])){ exit("NOAUTH"); } //调取支付方法 $packet->_route('wxpacket',array('openid'=>$userinfo['openid'])); }else{ $packet->_route('userinfo'); }

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