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php实现微信发红包

本文实例讲述了PHP实现的微信红包算法。分享给大家供大家参考。具体如下:

代码:

rush:PHP;"> CLASS WXHongBao {

private $mch_id = "111111";//商户ID写死
private $wxappid = "22222222";//微信公众号,写死
private $client_ip = "119.29.80.114"; //调用红包接口的主机的IP,服务端IP,写死,即脚本文件所在的IP
private $apikey = "33333333";//pay的秘钥值
private $total_num = 1;//发放人数。固定值1,不可修改
private $nick_name = "微信产品中心公众号"; //红包商户名称
private $send_name = "微信产品中心公众号";//红包派发者名称
private $wishing = "祝福语"; //
private $act_name = "红包活动"; //活动名称
private $remark = "活动备注";
private $nonce_str = "";
private $mch_billno = "";
private $re_openid = "";//接收方的openID
private $total_amount = 1 ;//红包金额,单位 分
private $min_value = 1;//最小金额
private $max_value = 1; //根据接口要求,上述3值必须一致
private $sign = ""; //签名在send时生成
private $amt_type; //分裂红包参数,在sendgroup中进行定义,是常量 ALL_RAND

//证书,在构造函数中定义,注意!
private $apiclient_cert; //= getcwd()."/apiclient_cert.pem";
private $apiclient_key;// = getcwd()."/apiclient_key.pem";

//分享参数
private $isShare = false; //有用?似乎是无用参数,全部都不是必选和互相依赖的参数
private $share_content = "";
private $share_url ="";
private $share_imgurl = "";

private $wxhb_inited;

private $api_hb_group = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendgroupredpack";//裂变红包
private $api_hb_single = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack";

private $error = "ok"; //init

/**

  • WXHongBao::__construct()
  • 步骤
  • new(openid,amount)
  • setnickname
  • setsend_name
  • setwishing
  • setact_name
  • setremark
  • send()
  • @return void
    */
    function __construct(){
    //好像没有什么需要构造函数做的
    $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()
  • 构造新红包
  • @param mixed $toOpenId
  • @param mixed $amount 金额分
  • @return void
    */
    public function newhb($toOpenId,$amount){
if(!is_numeric($amount)){
  $this->error = "金额参数<a href="https://www.jb51.cc/tag/cuowu/" target="_blank" class="keywords">错误</a>";
  return;
}elseif($amount<100){
  $this->error = "金额太小";
  return;
}elseif($amount>20000){
  $this->error = "金额太大";
  return;
}

$this->gen_nonce_<a href="https://www.jb51.cc/tag/str/" target="_blank" class="keywords">str()</a>;//构造<a href="https://www.jb51.cc/tag/suiji/" target="_blank" class="keywords">随机</a>字串
$this->gen_mch_billno();//构造订单号
$this->s<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>penId($toOpenId);
$this->setAmount($amount);
$this->wxhb_inited = true; //<a href="https://www.jb51.cc/tag/biaoji/" target="_blank" class="keywords">标记</a>微信红包已经初始化完毕可以发送

//每次new 都要将<a href="https://www.jb51.cc/tag/fenxiang/" target="_blank" class="keywords">分享</a>的<a href="https://www.jb51.cc/tag/neirong/" target="_blank" class="keywords">内容</a>给清空掉,否则会出现残余被引用
$this->share_content= "";
$this->share_<a href="https://www.jb51.cc/tag/imgur/" target="_blank" class="keywords">imgur</a>l = "";
$this->share_url = "";

}

/**

if(!$this->wxhb_inited){
  $this->error .= "(红包未准备好)";
  return false; //未初始化完成
}

$this->total_num = $total_num;

$this->gen_Sign(); //<a href="https://www.jb51.cc/tag/shengcheng/" target="_blank" class="keywords">生成</a>签名

//构造提交的数据    
$xml = $this->genXML<a href="https://www.jb51.cc/tag/param/" target="_blank" class="keywords">param()</a>;


//debug
file_put_contents("hbxml.txt",$xml);

//提交xml,curl
//$url = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack";
$ch = curl_init();    
curl_s<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>pt($ch,CURLOPT_TIMEOUT,10);
curl_s<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>pt($ch,CURLOPT_RETURNTRANSFER,1);    
curl_s<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>pt($ch,CURLOPT_URL,$url);
curl_s<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>pt($ch,CURLOPT_SSL_VERIFYPEER,false);
curl_s<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>pt($ch,CURLOPT_SSL_VERIFYHOST,false);

curl_s<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>pt($ch,CURLOPT_SSLCERTTYPE,'PEM');
curl_s<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>pt($ch,CURLOPT_SSLCERT,$this-><a href="https://www.jb51.cc/tag/apiclient/" target="_blank" class="keywords">apiclient</a>_cert);    
curl_s<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>pt($ch,CURLOPT_SSLKEYTYPE,CURLOPT_SSLKEY,$this-><a href="https://www.jb51.cc/tag/apiclient/" target="_blank" class="keywords">apiclient</a>_key);

/* 
if( count($aHeader) >= 1 ){
  curl_s<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>pt($ch,CURLOPT_HTTPHEADER,$aHeader);
}
*/    
curl_s<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>pt($ch,CURLOPT_POST,1);
curl_s<a href="https://www.jb51.cc/tag/eto/" target="_blank" class="keywords">eto</a>pt($ch,CURLOPT_POSTFIELDS,$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()
  • 发送裂变红包,参数为裂变数量
  • @param integer $num 3-20
  • @return
    */
    public function sendGroup($num=3){
    $this->amt_type = "ALL_RAND";//$amt; 固定值。发送裂变红包组文档指定参数,随机
    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()
  • 活动名称
  • @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()
  • 设置红包金额
  • 文档有两处冲突描述
  • 一处指金额 >=1 (分钱)
  • 另一处指金额 >=100 < 20000 [1-200元]
  • 有待测试验证!
  • @param mixed $price 单位 分
  • @return void
    */
    public function setAmount($price){
    $this->total_amount = $price;
    $this->min_value = $price;
    $this->max_value = $price;
    }
    //以下方法,为设置分裂红包时使用
    public function setHBminmax($min,$max){
    $this->min_value = $min;
    $this->max_value = $max;
    }

public function setShare($img="",$url="",$content=""){

//https://mmbiz.q<a href="https://www.jb51.cc/tag/logo/" target="_blank" class="keywords">logo</a>.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_<a href="https://www.jb51.cc/tag/imgur/" target="_blank" class="keywords">imgur</a>l = $img;
$this->share_url = $url;

}

private function gennoncestr(){
$this->nonce_str = strtoupper(md5(mt_rand().time())); //确保不重复而已
}

private function gen_Sign(){
unset($param);
//其实应该用key重排一次 right?
$param["act_name"]=$this->act_name;//

if($this->total_num==1){ //这些是裂变红包用不上的参数,会导致签名<a href="https://www.jb51.cc/tag/cuowu/" target="_blank" class="keywords">错误</a>
  $p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m["client_ip"]=$this->client_ip;
  $p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m["max_value"]=$this->max_value;
  $p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m["min_value"]=$this->min_value;
  $p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m["nick_name"]=$this->nick_name;
}

$p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m["mch_billno"] = $this->mch_billno;  //   
$p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m["mch_id"]=$this->mch_id;//    
$p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m["nonce_str"]=$this->nonce_str;  //  
$p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m["re_openid"]=$this->re_openid;//
$p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m["remark"]=$this->remark;    //
$p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m["send_name"]=$this->send_name;//
$p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m["total_amount"]=$this->total_amount;//
$p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m["total_num"]=$this->total_num;    //
$p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m["wishing"]=$this->wishing;//
$p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m["wxappid"]=$this->wxappid;//

if($this->share_content) $p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m["share_content"] = $this->share_content;
if($this->share_<a href="https://www.jb51.cc/tag/imgur/" target="_blank" class="keywords">imgur</a>l) $p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m["share_<a href="https://www.jb51.cc/tag/imgur/" target="_blank" class="keywords">imgur</a>l"] = $this->share_<a href="https://www.jb51.cc/tag/imgur/" target="_blank" class="keywords">imgur</a>l;
if($this->share_url) $p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m["share_url"] = $this->share_url;

if($this->amt_type) $p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m["amt_type"] = $this->amt_type; //

ksort($p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m); //按照键名排序...艹,上面排了我好久

//$sign_raw = http_build_query($p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m)."&key=".$this->apikey;
$sign_raw = "";
foreach($p<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>m as $k => $v){
  $sign_raw .= $k."=".$v."&";
}
$sign_raw .= "key=".$this->apikey;

//file_put_contents("sign.raw",$sign_raw);//debug
$this->sign = str<a href="https://www.jb51.cc/tag/toupper/" target="_blank" class="keywords">toupper</a>(md5($sign_raw));

}

/**

$xml = "<xml>
  <sign>".$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_<a href="https://www.jb51.cc/tag/imgur/" target="_blank" class="keywords">imgur</a>l) $xml .= "<share_imgurl><![CDATA[".$this->share_<a href="https://www.jb51.cc/tag/imgur/" target="_blank" class="keywords">imgur</a>l."]]></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()
  • 商户订单号(每个订单号必须唯一)
    组成: mch_id+yyyymmdd+10位一天内不能重复的数字。
    接口根据商户订单号支持重入, 如出现超时可再调用
  • @return void
    */
    private function gen_mch_billno(){
    //生成一个长度10,的阿拉伯数字随机字符串
    $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;

}
}    
?>

然后实例化class.

   $toOpenId = 'asdasdasd'; //接收红包的用户的微信OpenId
$hb = new WXHongBao();

$hb->newhb($toOpenId,1000); //新建<a href="https://www.jb51.cc/tag/yige/" target="_blank" class="keywords">一个</a>10元的红包,第二参数单位是 分,注意取值范围 1-200元
//以下若干项可选操作,不指定则使用class脚本顶部的预设值
 $hb->setNickName("土豪有限公司");
 $hb->setSendName("土豪");
 $hb->setWishing("恭喜发财");
 $hb->setActName("发钱活动");
 $hb->setRemark("任性一把");

//发送红包

if(!$hb->send()){ //发送<a href="https://www.jb51.cc/tag/cuowu/" target="_blank" class="keywords">错误</a>

  echo $hb->err();

}else{

  echo "红包发送成功";

}

希望本文所述对大家的PHP程序设计有所帮助。

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