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php微信发红包算法

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前言:

现在姐妹们对“红包发送算法”都比较注意,我们都需要了解一些“红包发送算法”的相关知识。那么小编同时在网络上汇集了一些关于“红包发送算法””的相关文章,希望小伙伴们能喜欢,小伙伴们一起来了解一下吧!

本篇文章主要介绍php微信发红包算法,感兴趣的朋友参考下,希望对大家有所帮助。

代码如下:

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<?php

/**

* 微信红包的类

*

*/

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 = "";//裂变红包

private $api_hb_single = "";

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 = "金额参数错误";

return;

}elseif($amount<100){

$this->error = "金额太小";

return;

}elseif($amount>20000){

$this->error = "金额太大";

return;

}

$this->gen_nonce_str();//构造随机字串

$this->gen_mch_billno();//构造订单号

$this->setOpenId($toOpenId);

$this->setAmount($amount);

$this->wxhb_inited = true; //标记微信红包已经初始化完毕可以发送

//每次new 都要将分享的内容给清空掉,否则会出现残余被引用

$this->share_content= "";

$this->share_imgurl = "";

$this->share_url = "";

}

/**

* WXHongBao::send()

* 发出红包

* 构造签名

* 注意第二参数,单发时不要改动!

* @return boolean $success

*/

public function send($url = "",$total_num = 1){

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(); //生成签名

//构造提交的数据

$xml = $this->genXMLParam();

//debug

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

//提交xml,curl

//$url = "";

$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()

* 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=""){

//

//;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())); //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,会导致签名错误

$param["client_ip"]=$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); //按照键名排序...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的参数xml数据包

* 注意生成之前各项值要生成,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); //新建一个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()){ //发送错误

echo $hb->err();

}else{

echo "红包发送成功";

}

总结:以上就是本篇文的全部内容,希望能对大家的学习有所帮助。

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标签: #红包发送算法 #php微信获取openid