本文实例为大家分享了PHP微信公众号自动发送红包API代码，分享给大家供大家参考。具体如下：
贴出核心接口代码至于数据自己填写，接口测试ＯＫ
wechat_packet.php
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<!--?php
/**
* 发送红包接口
* Created by PhpStorm.
* User: ADKi
* Date: 2016/4/25 0025
* Time: 15:25
*/
class wechat_packet{
private $url = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack';//请求URL
private $mch_id;//商户号
private $weixin_appid;//公众账号appid
private $send_name;//商户名称
private $total_num = 1;//发送红包总人数
private $wishing;//红包祝福语
private $client_ip;//调用接口的机器Ip地址
private $act_name;//活动名称
private $remark;//备注信息
private $nonce_str;//随机字符串，不长于32位
private $api_password;
private $arraytoxml;//数组转xml
/**
* 公钥
*/
private $public_key = "/api/wechat/cert/apiclient_cert.pem";
/**
* 私钥
*/
private $private_key = '/api/wechat/cert/apiclient_key.pem';
/**
* ca证书
*/
private $rootca = 'api/wechat/cert/rootca.pem';
public function __construct()
{
//初始化红包设置信息
$this--->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 $msg;
}
}
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数组转xml:arraytoxml.php
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<!--?php
/**
* Created by PhpStorm.
* User: ADKi
* Date: 2016/4/26 0026
* Time: 12:19
*/
class ArrayToXML
{
public function toXml($data){
$xml = '<xml-->';
foreach ($data as $key => $value){
if (is_numeric($value)){
$xml .= "<".$key.">".$value."<!--".$key."-->";
}else{
$xml .= "<".$key."><!--[CDATA[".$value."]]--><!--".$key."-->";
}
}
$xml .= '';
return $xml;
}
}
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