微信公眾號下發紅包 -- PHP
不記得是轉載的誰的啦~~~
$sendpay = new SendpayController();
$data['state'] = $sendpay->index($user['openid'], $money);//傳入 公眾號openid ，和金額，最小金額為 1元，最大金額為200
<?php
class SendpayController {
function index($toOpenId = "", $price = 1) {
if ($toOpenId == "") {
$toOpenId = 'oA5V_jraRDQtTCXZd6Q8gQ9rPHhI'; //接收紅包的使用者的微信OpenId
}
$hb = new wxpay();
if ($price < 1 || $price > 200) {
return 0;
} else {
$price = $price * 100;
$hb->newhb($toOpenId, $price); //新建一個10元的紅包，第二引數單位是 分，注意取值範圍 1-200元
//獲取後臺設定
$res = M("redword")->where("state = 1")->find();
//以下若干項可選操作，不指定則使用class指令碼頂部的預設值
if($res) {
// $hb->setNickName($res['rname']);
$hb->setSendName($res['rusername']);
$hb->setWishing($res['blessing']);
$hb->setActName($res['rname']);
// $hb->setRemark($res['blessing']);
}
//傳送紅包
if (!$hb->send()) { //傳送錯誤
return 0;
// echo $hb->err();
} else {
return 1;
}
}
}
}
/**
* Description of PayController
*
* @author Administrator
*/
class wxpay {
private $mch_id = ""; //商戶ID寫死
private $wxappid = ""; //微信公眾號，寫死
private $client_ip = ""; //呼叫紅包介面的主機的IP,服務端IP,寫死，即指令碼檔案所在的IP
private $apikey = ""; //pay的祕鑰值
private $total_num = 1; //發放人數。固定值1，不可修改
private $nick_name = "紅包商戶名稱"; //紅包商戶名稱
private $send_name = "紅包派發者名稱"; //紅包派發者名稱
private $wishing = "祝福語"; //
private $act_name = "紅包活動"; //活動名稱
private $remark = "活動備註";
private $nonce_str = "";
private $mch_billno = "";
private $re_openid = "oA5V_jraRDQtTCXZd6Q8gQ9rPHhI"; //接收方的openID
private $total_amount = 1; //紅包金額，單位 分
private $min_value = 1; //最小金額
private $max_value = 1; //根據介面要求，上述3值必須一致
private $sign = ""; //簽名在send時生成
private $amt_type; //分裂紅包引數，在sendgroup中進行定義，是常量 ALL_RAND
//證照，在建構函式中定義，注意！
private $apiclient_cert; //= getcwd()."/apiclient_cert.pem";
private $apiclient_key; // = getcwd()."/apiclient_key.pem";
//分享引數
private $isShare = false; //有用？似乎是無用引數，全部都不是必選和互相依賴的引數
private $share_content = "";
private $share_url = "";
private $share_imgurl = "";
private $wxhb_inited;
private $api_hb_group = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendgroupredpack"; //裂變紅包
private $api_hb_single = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack";
private $error = "ok"; //init
/**
* WXHongBao::__construct()
* 步驟
* new(openid,amount)
* setnickname
* setsend_name
* setwishing
* setact_name
* setremark
* send()
* @return void
*/
function __construct() {
//好像沒有什麼需要建構函式做的
$this->wxhb_inited = false;
$this->apiclient_cert = getcwd() . "/apiclient_cert.pem";
$this->apiclient_key = getcwd() . "/apiclient_key.pem";
}
public function err() {
return $this->error;
}
public function error() {
return $this->err();
}
/**
* WXHongBao::newhb()
* 構造新紅包
* @param mixed $toOpenId
* @param mixed $amount 金額分
* @return void
*/
public function newhb($toOpenId, $amount) {
if (!is_numeric($amount)) {
$this->error = "金額引數錯誤";
return;
} elseif ($amount < 100) {
$this->error = "金額太小";
return;
} elseif ($amount > 20000) {
$this->error = "金額太大";
return;
}
$this->gen_nonce_str(); //構造隨機字串
$this->gen_mch_billno(); //構造訂單號
$this->setOpenId($toOpenId);
$this->setAmount($amount);
$this->wxhb_inited = true; //標記微信紅包已經初始化完畢可以傳送
//每次new 都要將分享的內容給清空掉，否則會出現殘餘被引用
$this->share_content = "";
$this->share_imgurl = "";
$this->share_url = "";
}
/**
* WXHongBao::send()
* 發出紅包
* 構造簽名
* 注意第二引數，單發時不要改動！
* @return boolean $success
*/
public function send($url = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack", $total_num = 1) {
if (!$this->wxhb_inited) {
$this->error .= "(紅包未準備好)";
return false; //未初始化完成
}
$this->total_num = $total_num;
$this->gen_Sign(); //生成簽名
//構造提交的資料
$xml = $this->genXMLParam();
//debug
file_put_contents(date("Y-m-d_H:i:s") . "hbxml.txt", $xml);
//提交xml,curl
//$url = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack";
$ch = curl_init();
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch, CURLOPT_SSLCERTTYPE, 'PEM');
curl_setopt($ch, CURLOPT_SSLCERT, $this->apiclient_cert);
curl_setopt($ch, CURLOPT_SSLKEYTYPE, 'PEM');
curl_setopt($ch, CURLOPT_SSLKEY, $this->apiclient_key);
/*
if( count($aHeader) >= 1 ){
curl_setopt($ch, CURLOPT_HTTPHEADER, $aHeader);
}
*/
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
$data = curl_exec($ch);
if ($data) {
curl_close($ch);
$rsxml = simplexml_load_string($data);
if ($rsxml->return_code == 'SUCCESS') {
return true;
} else {
$this->error = $rsxml->return_msg;
return false;
}
} else {
$this->error = curl_errno($ch);
curl_close($ch);
return false;
}
}
/**
* WXHongBao::sendGroup()
* 傳送裂變紅包,引數為裂變數量
* @param integer $num 3-20
* @return
*/
public function sendGroup($num = 3) {
$this->amt_type = "ALL_RAND"; //$amt; 固定值。傳送裂變紅包組文件指定引數，隨機
return $this->send($this->api_hb_group, $num);
}
public function getApiSingle() {
return $this->api_hb_single;
}
public function getApiGroup() {
return $this->api_hb_group;
}
public function setNickName($nick) {
$this->nick_name = $nick;
}
public function setSendName($name) {
$this->send_name = $name;
}
public function setWishing($wishing) {
$this->wishing = $wishing;
}
/**
* WXHongBao::setActName()
* 活動名稱
* @param mixed $act
* @return void
*/
public function setActName($act) {
$this->act_name = $act;
}
public function setRemark($remark) {
$this->remark = $remark;
}
public function setOpenId($openid) {
$this->re_openid = $openid;
}
/**
* WXHongBao::setAmount()
* 設定紅包金額
* 文件有兩處衝突描述
* 一處指金額 >=1 (分錢)
* 另一處指金額 >=100 < 20000 [1-200元]
* 有待測試驗證！
* @param mixed $price 單位 分
* @return void
*/
public function setAmount($price) {
$this->total_amount = $price;
$this->min_value = $price;
$this->max_value = $price;
}
//以下方法，為設定分裂紅包時使用
public function setHBminmax($min, $max) {
$this->min_value = $min;
$this->max_value = $max;
}
public function setShare($img = "", $url = "", $content = "") {
//https://mmbiz.qlogo.cn/mmbiz/MS1jaDO92Ep4qNo9eV0rnItptyBrzUhJqT8oxSsCofdxibnNWMJiabaqgLPkDaEJmia6fqTXAXulKBa9NLfxYMwYA/0?wx_fmt=png
//http://mp.weixin.qq.com/s?__biz=MzA5Njg4NTk3MA==&mid=206257621&idx=1&sn=56241da30e384e40771065051e4aa6a8#rd
$this->share_content = $content;
$this->share_imgurl = $img;
$this->share_url = $url;
}
private function gen_nonce_str() {
$this->nonce_str = strtoupper(md5(mt_rand() . time())); //確保不重複而已
}
private function gen_Sign() {
unset($param);
//其實應該用key重排一次 right?
$param["act_name"] = $this->act_name; //
if ($this->total_num == 1) { //這些是裂變紅包用不上的引數，會導致簽名錯誤
$param["client_ip"] = $this->client_ip;
$param["max_value"] = $this->max_value;
$param["min_value"] = $this->min_value;
$param["nick_name"] = $this->nick_name;
}
$param["mch_billno"] = $this->mch_billno; //
$param["mch_id"] = $this->mch_id; //
$param["nonce_str"] = $this->nonce_str; //
$param["re_openid"] = $this->re_openid; //
$param["remark"] = $this->remark; //
$param["send_name"] = $this->send_name; //
$param["total_amount"] = $this->total_amount; //
$param["total_num"] = $this->total_num; //
$param["wishing"] = $this->wishing; //
$param["wxappid"] = $this->wxappid; //
if ($this->share_content)
$param["share_content"] = $this->share_content;
if ($this->share_imgurl)
$param["share_imgurl"] = $this->share_imgurl;
if ($this->share_url)
$param["share_url"] = $this->share_url;
if ($this->amt_type)
$param["amt_type"] = $this->amt_type; //
ksort($param); //按照鍵名排序...艹，上面排了我好久
//$sign_raw = http_build_query($param)."&key=".$this->apikey;
$sign_raw = "";
foreach ($param as $k => $v) {
$sign_raw .= $k . "=" . $v . "&";
}
$sign_raw .= "key=" . $this->apikey;
//file_put_contents("sign.raw",$sign_raw);//debug
$this->sign = strtoupper(md5($sign_raw));
}
/**
* WXHongBao::genXMLParam()
* 生成post的引數xml資料包
* 注意生成之前各項值要生成，尤其是Sign
* @return $xml
*/
public function genXMLParam() {
$xml = "<xml>
<sign>" . $this->sign . "</sign>
<mch_billno>" . $this->mch_billno . "</mch_billno>
<mch_id>" . $this->mch_id . "</mch_id>
<wxappid>" . $this->wxappid . "</wxappid>
<nick_name><![CDATA[" . $this->nick_name . "]]></nick_name>
<send_name><![CDATA[" . $this->send_name . "]]></send_name>
<re_openid>" . $this->re_openid . "</re_openid>
<total_amount>" . $this->total_amount . "</total_amount>
<min_value>" . $this->min_value . "</min_value>
<max_value>" . $this->max_value . "</max_value>
<total_num>" . $this->total_num . "</total_num>
<wishing><![CDATA[" . $this->wishing . "]]></wishing>
<client_ip><![CDATA[" . $this->client_ip . "]]></client_ip>
<act_name><![CDATA[" . $this->act_name . "]]></act_name>
<remark><![CDATA[" . $this->remark . "]]></remark>
<nonce_str>" . $this->nonce_str . "</nonce_str>
";
if ($this->share_content)
$xml .= "<share_content><![CDATA[" . $this->share_content . "]]></share_content>
";
if ($this->share_imgurl)
$xml .= "<share_imgurl><![CDATA[" . $this->share_imgurl . "]]></share_imgurl>
";
if ($this->share_url)
$xml .= "<share_url><![CDATA[" . $this->share_url . "]]></share_url>
";
if ($this->amt_type)
$xml .= "<amt_type><![CDATA[" . $this->amt_type . "]]></amt_type>
";
$xml .="</xml>";
return $xml;
}
/**
* WXHongBao::gen_mch_billno()
* 商戶訂單號（每個訂單號必須唯一）
組成： mch_id+yyyymmdd+10位一天內不能重複的數字。
介面根據商戶訂單號支援重入， 如出現超時可再呼叫。
* @return void
*/
private function gen_mch_billno() {
//生成一個長度10，的阿拉伯數字隨機字串
$rnd_num = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9');
$rndstr = "";
while (strlen($rndstr) < 10) {
$rndstr .= $rnd_num[array_rand($rnd_num)];
}
$this->mch_billno = $this->mch_id . date("Ymd") . $rndstr;
}
}
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