微信企业支付 API 类库(php)
做到微信支付与提现这一块,因为用了 easywechat 踩了很多坑,故在这里分享一个绝对能用的微信企业支付 demo
<?php
namespace App\wxpayv3;
class WxPayPostal{
private $appId = null;
private $mchId = null;
private $certPath = null;
private $keyPath = null;
private $key = null;
private $url = null;
/*
* 以下各个参数需要根据自己的坏境与参数进行配置,2 个证书的路径必须为绝对地址
*/
public function __construct(){
$this->appId = env("WXPAY_APPID");
$this->mchId = env("WXPAY_MCHID");
$this->key = env("WXPAY_KEY");
$this->certPath = env("WXPAY_CERTPATH");
$this->keyPath = env("WXPAY_KEYPATH");
$this->url = "https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers";
}
/**
* 转换为 post 数据
*
*/
private function formatBizQueryParaMap($paraMap,$urlencode){
$buff = "";
ksort($paraMap);
foreach ($paraMap as $k => $v)
{
if($urlencode)
{
$v = urlencode($v);
}
$buff .= $k . "=" . $v . "&";
}
$reqPar = null;
if (strlen($buff) > 0)
{
$reqPar = substr($buff, 0, strlen($buff)-1);
}
return $reqPar;
}
private function getSign($Obj){
foreach ($Obj as $k => $v)
{
$Parameters[$k] = $v;
}
//签名步骤一：按字典序排序参数
ksort($Parameters);
$String = $this->formatBizQueryParaMap($Parameters, false);
//echo '【string1】'.$String.'</br>';
//签名步骤二：在 string 后加入 KEY
$String = $String."&key={$this->key}";
//echo "【string2】".$String."</br>";
//签名步骤三：MD5 加密
$String = md5($String);
//echo "【string3】 ".$String."</br>";
//签名步骤四：所有字符转为大写
$result_ = strtoupper($String);
//echo "【result】 ".$result_."</br>";
return $result_;
}
protected function curl_post_ssl($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,$this->certPath);
//默认格式为 PEM，可以注释
//curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
curl_setopt($ch,CURLOPT_SSLKEY,$this->keyPath);
//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:$error\n";
curl_close($ch);
return false;
}
}
//生成随机字符串
protected function getShuffle($length = 16){
$str = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
return substr(str_shuffle($str),0,$length);
}
//获取 server 端 ip
protected function getServerIp(){
return $_SERVER["SERVER_ADDR"];
}
//发起支付
/**
* $data=[
* "money"=>100,
* "name"=>"张三",
* "check"=>1 or 2 or 3,
* "desc"=>"支付",
* "openid"=>"asdkfjalkdjfa",
* "order_sn"=>"121313131"
* ]
*/
public function postal($arr){
$data["amount"] = $arr["money"];
$data["openid"] = $arr["openid"];
$data["re_user_name"] = $arr["name"];
$data["desc"] = $arr["desc"];
$data["spbill_create_ip"] = $this->getServerIp();
$data["mch_appid"] = $this->appId;
$data["mchid"] = $this->mchId;
$data["nonce_str"] = $this->getShuffle(16);
$data["openid"] = $arr["openid"];
switch ($arr["check"]){
case 1:
$data["check_name"] = "NO_CHECK";
break;
case 2:
$data["check_name"] = "FORCE_CHECK";
break;
default:
$data["check_name"] = "OPTION_CHECK";
break;
}
$data["partner_trade_no"] = $arr["order_sn"];
$sign = $this->getSign($data);
$data["sign"] = $sign;
//拼接 xml
$xml = "<xml>
<mch_appid>%s</mch_appid>
<mchid>%s</mchid>
<nonce_str>%s</nonce_str>
<partner_trade_no>%s</partner_trade_no>
<openid>%s</openid>
<check_name>%s</check_name>
<re_user_name>%s</re_user_name>
<amount>%s</amount>
<desc>%s</desc>
<spbill_create_ip>%s</spbill_create_ip>
<sign>%s</sign>
</xml>";
$post = sprintf($xml,$data["mch_appid"],
$data["mchid"],
$data["nonce_str"],
$data["partner_trade_no"],
$data["openid"],
$data["check_name"],
$data["re_user_name"],
$data["amount"],
$data["desc"],
$data["spbill_create_ip"],
$data["sign"]
);
$result = $this->curl_post_ssl($this->url,$post);
$result = $this->readXml($result);
$res = ["error"=>1,"msg"=>""];
if($result->return_code == "SUCCESS"){
if($result->result_code == "SUCCESS"){
$res = ["error"=>0,"msg"=>"返现成功!"];
}else if($result->result_code == "FAIL"){
$res = ["error"=>2,"msg"=>$result->err_code_des];
}
}else if($result->return_code == "FAIL"){
$res = ["error"=>1,"msg"=>""];
switch ($result->err_code){
case "NOAUTH":
$res["msg"] = "没有权限";
break;
case "AMOUNT_LIMIT":
$res["msg"] = "付款金额不能小于最低限额";
break;
case "PARAM_ERROR":
$res["msg"] = "参数错误";
break;
case "OPENID_ERROR":
$res["msg"] = "Openid 错误";
break;
case "NOTENOUGH":
$res["msg"] = "余额不足";
break;
case "SYSTEMERROR":
$res["msg"] = "系统繁忙，请稍后再试。";
break;
case "NAME_MISMATCH":
$res["msg"] = "姓名校验出错";
break;
case "SIGN_ERROR":
$res["msg"] = "签名错误";
break;
case "XML_ERROR":
$res["msg"] = "Post 内容出错";
break;
case "FATAL_ERROR":
$res["msg"] = "两次请求参数不一致";
break;
case "CA_ERROR":
$res["msg"] = "证书出错";
break;
}
}
return $res;
}
protected function readXml($xmlData){
libxml_disable_entity_loader(true);
$req = simplexml_load_string($xmlData, 'SimpleXMLElement', LIBXML_NOCDATA);
return $req;
}
}
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