PHP微信红包生成代码分享

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,$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,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,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:$errornnnn";
curl_close($ch);
return false;
}
}
//生成签名
private function create_sign($mch_billno,$total_amount){
$string_array = array(
'act_name' => $this->act_name,'nonce_str' => $this->nonce_str,);
foreach ($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;
}
}

$value){ if (is_numeric($value)){ $xml .= "<".$key.">".$value.""; }else{ $xml .= "<".$key.">"; } } $xml .= ''; return $xml; }

}

* @link http://mp.weixin.qq.com/wiki/home/index.html * @version 2.0.1 * @uses $wxApi = new WxApi(); * @package 微信API接口 陆续会继续进行更新 ********************************************************/

class WxApi {
const appId = "";
const appSecret = "";
const mchid = ""; //商户号
const privatekey = ""; //私钥
public $parameters = array();

public function __construct(){

}

/****

• 微信提交API方法，返回微信指定JSON
  ****/

public function wxHttpsRequest($url,$data = null){
$curl = curl_init();
curl_setopt($curl,$url);
curl_setopt($curl,FALSE);
curl_setopt($curl,FALSE);
if (!empty($data)){
curl_setopt($curl,1);
curl_setopt($curl,$data);
}
curl_setopt($curl,1);
$output = curl_exec($curl);
curl_close($curl);
return $output;
}

/****

• 微信带证书提交数据 - 微信红包使用
  ****/

public function wxHttpsRequestPem($url,$aHeader=array()){
$ch = curl_init();
//超时时间
curl_setopt($ch,$second);
curl_setopt($ch,1);
//这里设置代理，如果有的话
//curl_setopt($ch,'10.206.30.98');
//curl_setopt($ch,8080);
curl_setopt($ch,$url);
curl_setopt($ch,false);
curl_setopt($ch,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($ch,'PEM');
curl_setopt($ch,getcwd().'/apiclient_cert.pem');
//默认格式为PEM，可以注释
curl_setopt($ch,getcwd().'/apiclient_key.pem');

curl_setopt($ch,getcwd().'/rootca.pem');

//第二种方式，两个文件合成一个.pem文件
//curl_setopt($ch,getcwd().'/all.pem');

if( count($aHeader) >= 1 ){
curl_setopt($ch,$aHeader);
}

curl_setopt($ch,1);
curl_setopt($ch,$vars);
$data = curl_exec($ch);
if($data){
curl_close($ch);
return $data;
}
else {
$error = curl_errno($ch);
echo "call faild,errorCode:$errorn";
curl_close($ch);
return false;
}
}

/****

• 微信获取AccessToken 返回指定微信公众号的at信息
  ****/

public function wxAccessToken($appId = NULL,$appSecret = NULL){
$appId = is_null($appId) ? self::appId : $appId;
$appSecret = is_null($appSecret) ? self::appSecret : $appSecret;
//echo $appId,$appSecret;
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$appId."&secret=".$appSecret;
$result = $this->wxHttpsRequest($url);
//print_r($result);
$jsoninfo = json_decode($result,true);
$access_token = $jsoninfo["access_token"];
return $access_token;
}

/****

• 微信通过OPENID获取用户信息，返回数组
  ****/

public function wxGetUser($openId){
$wxAccessToken = $this->wxAccessToken();
$url = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=".$wxAccessToken."&openid=".$openId."&lang=zh_CN";
$result = $this->wxHttpsRequest($url);
$jsoninfo = json_decode($result,true);
return $jsoninfo;
}

/****

• 微信通过指定模板信息发送给指定用户，发送完成后返回指定JSON数据
  ****/

public function wxSendTemplate($jsonData){
$wxAccessToken = $this->wxAccessToken();
$url = "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=".$wxAccessToken;
$result = $this->wxHttpsRequest($url,$jsonData);
return $result;
}

/****

• 发送自定义的模板消息
  ****/

public function wxSetSend($touser,$template_id,$url,$data,$topcolor = '#7B68EE'){
$template = array(
'touser' => $touser,'template_id' => $template_id,'url' => $url,'topcolor' => $topcolor,'data' => $data
);
$jsonData = json_encode($template);
$result = $this->wxSendTemplate($jsonData);
return $result;
}

/****

• 微信设置OAUTH跳转URL，返回字符串信息 - SCOPE = snsapi_base //验证时不返回确认页面，只能获取OPENID
  ****/

public function wxOauthBase($redirectUrl,$state = "",$appId = NULL){
$appId = is_null($appId) ? self::appId : $appId;
$url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=".$appId."&redirect_uri=".$redirectUrl."&response_type=code&scope=snsapi_base&state=".$state."#wechat_redirect";
return $url;
}

/****

• 微信设置OAUTH跳转URL，返回字符串信息 - SCOPE = snsapi_userinfo //获取用户完整信息
  ****/

public function wxOauthUserinfo($redirectUrl,$appId = NULL){
$appId = is_null($appId) ? self::appId : $appId;
$url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=".$appId."&redirect_uri=".$redirectUrl."&response_type=code&scope=snsapi_userinfo&state=".$state."#wechat_redirect";
return $url;
}

/****

• 微信OAUTH跳转指定URL
  ****/

public function wxHeader($url){
header("location:".$url);
}

/****

• 微信通过OAUTH返回页面中获取AT信息
  ****/

public function wxOauthAccessToken($code,$appId = NULL,$appSecret = NULL){
$appId = is_null($appId) ? self::appId : $appId;
$appSecret = is_null($appSecret) ? self::appSecret : $appSecret;
$url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=".$appId."&secret=".$appSecret."&code=".$code."&grant_type=authorization_code";
$result = $this->wxHttpsRequest($url);
//print_r($result);
$jsoninfo = json_decode($result,true);
//$access_token = $jsoninfo["access_token"];
return $jsoninfo;
}

/****

• 微信通过OAUTH的Access_Token的信息获取当前用户信息 // 只执行在snsapi_userinfo模式运行
  ****/

public function wxOauthUser($OauthAT,$openId){
$url = "https://api.weixin.qq.com/sns/userinfo?access_token=".$OauthAT."&openid=".$openId."&lang=zh_CN";
$result = $this->wxHttpsRequest($url);
$jsoninfo = json_decode($result,true);
return $jsoninfo;
}

/*****

• 生成随机字符串 - 最长为32位字符串
  *****/
  public function wxNonceStr($length = 16,$type = FALSE) {
  $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
  $str = "";
  for ($i = 0; $i < $length; $i++) {
  $str .= substr($chars,mt_rand(0,strlen($chars) - 1),1);
  }
  if($type == TRUE){
  return strtoupper(md5(time() . $str));
  }
  else {
  return $str;
  }
  }

/***

• 微信商户订单号 - 最长28位字符串
  ***/

public function wxMchBillno($mchid = NULL) {
if(is_null($mchid)){
if(self::mchid == "" || is_null(self::mchid)){
$mchid = time();
}
else{
$mchid = self::mchid;
}
}
else{
$mchid = substr(addslashes($mchid),10);
}
return date("Ymd",time()).time().$mchid;
}

/***

• 微信格式化数组变成参数格式 - 支持url加密
  ***/

public function wxSetParam($parameters){
if(is_array($parameters) && !empty($parameters)){
$this->parameters = $parameters;
return $this->parameters;
}
else{
return array();
}
}

/***

• 微信格式化数组变成参数格式 - 支持url加密
  ***/

public function wxFormatArray($parameters = NULL,$urlencode = FALSE){
if(is_null($parameters)){
$parameters = $this->parameters;
}
$restr = "";//初始化空
ksort($parameters);//排序参数
foreach ($parameters as $k => $v){//循环定制参数
if (null != $v && "null" != $v && "sign" != $k) {
if($urlencode){//如果参数需要增加URL加密就增加，不需要则不需要
$v = urlencode($v);
}
$restr .= $k . "=" . $v . "&";//返回完整字符串
}
}
if (strlen($restr) > 0) {//如果存在数据则将最后“&”删除
$restr = substr($restr,strlen($restr)-1);
}
return $restr;//返回字符串
}

/***

• 微信MD5签名生成器 - 需要将参数数组转化成为字符串[wxFormatArray方法]
  ***/
  public function wxMd5Sign($content,$privatekey){
  try {
  if (is_null($key)) {
  throw new Exception("财付通签名key不能为空！");
  }
  if (is_null($content)) {
  throw new Exception("财付通签名内容不能为空");
  }
  $signStr = $content . "&key=" . $key;
  return strtoupper(md5($signStr));
  }
  catch (Exception $e)
  {
  die($e->getMessage());
  }
  }

/***

• 微信Sha1签名生成器 - 需要将参数数组转化成为字符串[wxFormatArray方法]
  ***/
  public function wxSha1Sign($content,$privatekey){
  try {
  if (is_null($key)) {
  throw new Exception("财付通签名key不能为空！");
  }
  if (is_null($content)) {
  throw new Exception("财付通签名内容不能为空");
  }
  $signStr = $content . "&key=" . $key;
  return strtoupper(sha1($signStr));
  }
  catch (Exception $e)
  {
  die($e->getMessage());
  }
  }

/***

• 将数组解析XML - 微信红包接口
  ***/

public function wxArrayToXml($parameters = NULL){
if(is_null($parameters)){
$parameters = $this->parameters;
}

if(!is_array($parameters) || empty($parameters)){
die("参数不为数组无法解析");
}

$xml = "";
foreach ($arr as $key=>$val)
{
if (is_numeric($val))
{
$xml.="<".$key.">".$val."</".$key.">";
}
else
$xml.="<".$key."><![CDATA[".$val."]]></".$key.">";
}
$xml.="";
return $xml;
}

}

setParameter("nonce_str",$this->great_rand());//随机字符串，丌长于 32 位 $wxHongBaoHelper->setParameter("mch_billno",$this->app_mchid.date('YmdHis').rand(1000,9999));//订单号 $wxHongBaoHelper->setParameter("mch_id",$this->app_mchid);//商户号 $wxHongBaoHelper->setParameter("wxappid",$this->app_id); $wxHongBaoHelper->setParameter("nick_name",'红包');//提供方名称 $wxHongBaoHelper->setParameter("send_name",'红包');//红包发送者名称 $wxHongBaoHelper->setParameter("re_openid",$re_openid);//相对于医脉互通的openid $wxHongBaoHelper->setParameter("total_amount",100);//付款金额，单位分 $wxHongBaoHelper->setParameter("min_value",100);//最小红包金额，单位分 $wxHongBaoHelper->setParameter("max_value",100);//最大红包金额，单位分 $wxHongBaoHelper->setParameter("total_num",1);//红包収放总人数 $wxHongBaoHelper->setParameter("wishing",'感谢您参与红包派发活动，祝您新年快乐！');//红包祝福诧 $wxHongBaoHelper->setParameter("client_ip",'127.0.0.1');//调用接口的机器 Ip 地址 $wxHongBaoHelper->setParameter("act_name",'红包活动');//活劢名称 $wxHongBaoHelper->setParameter("remark",'快来抢！');//备注信息 $postXml = $wxHongBaoHelper->create_hongbao_xml(); $url = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack'; $responseXml = $wxHongBaoHelper->curl_post_ssl($url,$postXml); //用作结果调试输出 //echo htmlentities($responseXml,ENT_COMPAT,'UTF-8'); $responSEObj = simplexml_load_string($responseXml,LIBXML_NOCDATA); return $responSEObj->return_code; }

"); } if($this->check_sign_parameters() == false) { //检查生成签名参数 throw new SDKRuntimeException("生成签名参数缺失！" . "
"); } $commonUtil = new CommonUtil(); ksort($this->parameters); $unSignParaString = $commonUtil->formatQueryParaMap($this->parameters,false); $md5SignUtil = new MD5SignUtil(); return $md5SignUtil->sign($unSignParaString,$commonUtil->trimString(PARTNERKEY)); }catch (SDKRuntimeException $e) { die($e->errorMessage()); }

}

= 1 ){ curl_setopt($ch,$vars); $data = curl_exec($ch); if($data){ curl_close($ch); return $data; } else { $error = curl_errno($ch); //echo "call faild,errorCode:$errorn"; curl_close($ch); return false; } }

_route('userinfo',$param); if(empty($userinfo['openid'])){ exit("NOAUTH"); } //调取支付方法 $packet->_route('wxpacket',array('openid'=>$userinfo['openid'])); }else{ $packet->_route('userinfo'); }