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PHP开发的微信现金红包功能示例

本文实例讲述了PHP开发的微信现金红包功能。分享给大家供大家参考,具体如下:

微信商家后台-现金红包开发

?php
class wxPay {
//配置参数信息
const SHANGHUHAO = "1430998xxx";//商户号
const PARTNERKEY = "leFyTOXWzUEXxfp47WOu5d9xxxxxx"; //api,商户后台
//核心支付函数,参数:请求地址和参数
function pay($url,$obj) {
$obj['nonce_str'] = $this->create_noncestr(); //创建随机字符串
$stringA = $this->create_qianming($obj,false); //创建签名
$stringSignTemp = $stringA."&key=leFyTOXWzUEXxfp47WOu5xxxxxx"; //签名后加api
$sign = strtoupper(md5($stringSignTemp)); //签名加密并大写
$obj['sign'] = $sign; //将签名传入数组
$postXml = $this->arrayToXml($obj); //将参数转为xml格式
var_dump($postXml);
$responseXml = $this->curl_post_ssl($url,$postXml); //提交请求
var_dump($responseXml);
return $responseXml;
}
//生成签名,参数:生成签名的参数和是否编码
function create_qianming($arr,$urlencode) {
$buff = "";
ksort($arr); //对传进来的数组参数里面的内容按照字母顺序排序,a在前面,z在最后(字典序)
foreach ($arr as $k=>$v) {
if(null!=$v && "null" != $v && "sign" != $k) { //签名不要转码
if ($urlencode) {
$v = urlencode($v);
}
$buff.=$k."=".$v."&";
}
}
if (strlen($buff)>0) {
$reqPar = substr($buff,0,strlen($buff)-1); //去掉末尾符号“&”
}
return $reqPar;
}
//生成随机字符串,默认32位
function create_noncestr($length=32) {
//创建随机字符
$chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
$str = "";
for($i=0;$i<$length;$i++) {
$str.=substr($chars, mt_rand(0,strlen($chars)-1),1);
}
return $str;
}
//数组转xml
function arrayToXml($arr) {
$xml = "";
foreach ($arr as $key=>$val) {
if (is_numeric($val)) {
$xml.="<".$key.">".$val."</".$key.">";
} else {
$xml.="<".$key.">

证书文件

请在微信商户后台-API安全下载,PHP请使用php的证书文件
微信红包调用测试文件:

<?php
require 'wxpay.class.php';

//数组参数
$money = 100; //最低1元,单位分
$sender = "晨缘房产";
$obj2 = array();
$obj2['wxappid'] = ""; //appid
$obj2['mch_id'] = "";  //商户id
$obj2['mch_billno'] = "商户id".date('YmdHis').rand(1000,9999);  //组合成28位,根据官方开发文档,可以自行设置
$obj2['client_ip'] = $_SERVER['REMOTE_ADDR'];
$obj2['re_openid'] = "oUxO6v26wdyMHThD9kfDW6NB_xbE";  //接收红包openid
$obj2['total_amount'] = $money;
$obj2['min_value'] = $money;
$obj2['max_value'] = $money;
$obj2['total_num'] = 1;
$obj2['nick_name'] = $sender;
$obj2['send_name'] = $sender;
$obj2['wishing'] = "恭喜发财";
$obj2['act_name'] = $sender."红包";
$obj2['remark'] = $sender."红包";
$url = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack";
$wxpay = new wxPay();
$res = $wxpay->pay($url, $obj2);
var_dump($res);
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