276 行
9.8 KiB
PHP
可执行文件
276 行
9.8 KiB
PHP
可执行文件
<?php
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/**
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* 微信支付类
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*/
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namespace Util\Wx;
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class WxMicroPay
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{
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const UFORDER_URL = 'https://api.mch.weixin.qq.com/pay/micropay'; //获取预支付URL,prepayid.
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private $appid;
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private $mch_id; //微信支付商户号
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private $body;//商品简单描述
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private $out_trade_no;//商户自定义流水号
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private $total_fee; //总金额
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private $auth_code;
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private $key; //微信支付商户KEY
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private $curl_timeout;
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private $sub_mch_id;
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private $sub_appid;
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//动态参数
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private $parameters;
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//非必填参数，商户可根据实际情况选填
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//微信CURL响应
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public $response; //微信返回的响应
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public $result; //返回参数，类型为关联数组
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public $apiclient_cert;
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public $apiclient_key;
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public $face_code; //微信刷脸支付参数
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public $openid; //微信刷脸用户openid
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public $version; //版本号
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public $goods_tag; //优惠标记
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public $detail; //商品详情
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public function __construct($options) {
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$this->appid = isset($options['appid']) ? $options['appid'] : '';
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$this->mch_id = isset($options['mch_id']) ? $options['mch_id'] : '';
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$this->body = isset($options['body']) ? $options['body']:'';
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$this->out_trade_no = isset($options['out_trade_no']) ? $options['out_trade_no'] : '';
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$this->total_fee = isset($options['total_fee']) ? $options['total_fee']*100 : '';
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$this->auth_code = isset($options['auth_code']) ? $options['auth_code'] : '';
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$this->face_code = isset($options['face_code']) ? $options['face_code'] : '';
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$this->key = isset($options['key'])?$options['key']:'';
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$this->openid = isset($options['openid'])?$options['openid']:'';
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$this->curl_timeout = isset($options['curl_timeout']) ? $options['curl_timeout'] : '30';
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$this->apiclient_cert = isset($options['apiclient_cert']) ? $options['apiclient_cert']:'';
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$this->apiclient_key = isset($options['apiclient_key']) ? $options['apiclient_key']:'';
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$this->sub_mch_id = isset($options['sub_mch_id']) ? $options['sub_mch_id']:'';
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$this->sub_appid = isset($options['sub_appid']) ? $options['sub_appid']:'';
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$this->version = isset($options['version']) ? $options['version']:'';
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$this->goods_tag = isset($options['goods_tag']) ? $options['goods_tag']:'';
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$this->detail = isset($options['detail']) ? $options['detail']:'';
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}
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function postWxMicro() {
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if(!empty($this->face_code)){
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$url = "https://api.mch.weixin.qq.com/pay/facepay";
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}else{
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$url = 'https://api.mch.weixin.qq.com/pay/micropay';
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}
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$this->postXml($url); //追入获取链接
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$this->result = $this->xmlToArray($this->response);
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// print_r($this->result);
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return $this->result;
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}
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/**
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* 作用：设置标配的请求参数，生成签名，生成接口参数xml
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*/
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function createXml() {
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$this->parameters["appid"] = $this->appid; //公众账号ID
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$this->parameters["mch_id"] = $this->mch_id; //商户号
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$this->parameters["nonce_str"] = $this->createNoncestr(); //随机字符串
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$this->parameters['body'] = $this->body;
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$this->parameters['out_trade_no'] = $this->out_trade_no;//商户订单号
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$this->parameters['total_fee'] = $this->total_fee;//支付金额
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$this->parameters["spbill_create_ip"] = $_SERVER['REMOTE_ADDR']; //终端ip
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if(!empty($this->auth_code)){
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$this->parameters['auth_code'] = $this->auth_code;//支付金额
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}
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if(!empty($this->sub_mch_id)){
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$this->parameters["sub_mch_id"] = $this->sub_mch_id;
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}
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if(!empty($this->sub_appid)){
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$this->parameters["sub_appid"] = $this->sub_appid;
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}
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if(!empty($this->face_code)){
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$this->parameters["openid"] = $this->openid;
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$this->parameters["face_code"] = $this->face_code;
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}
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if(!empty($this->version) && !empty($this->goods_tag) && !empty($this->detail)){
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$this->parameters['version'] = $this->version;
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$this->parameters['goods_tag'] = $this->goods_tag;
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$this->parameters['detail'] = $this->detail;
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}
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$this->parameters["sign"] = $this->getSign($this->parameters); //签名
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return $this->arrayToXml($this->parameters);
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}
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/**
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* 作用：post请求xml
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*/
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function postXml($url) {
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$xml = $this->createXml();
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// print_r($xml);
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$this->response = $this->postXmlCurl($xml, $url, $this->curl_timeout);
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//dump($this->response);
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return $this->response;
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}
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//常用工具
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function trimString($value) {
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$ret = null;
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if (null != $value) {
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$ret = $value;
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if (strlen($ret) == 0) {
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$ret = null;
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}
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}
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return $ret;
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}
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/**
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* 作用：产生随机字符串，不长于32位
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*/
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public function createNoncestr($length = 32) {
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$chars = "abcdefghijklmnopqrstuvwxyz0123456789";
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$str = "";
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for ($i = 0; $i < $length; $i++) {
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$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
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}
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return $str;
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}
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/**
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* 作用：格式化参数，签名过程需要使用
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*/
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function formatBizQueryParaMap($paraMap, $urlencode) {
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$buff = "";
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ksort($paraMap);
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foreach ($paraMap as $k => $v) {
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if ($urlencode) {
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$v = urlencode($v);
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}
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//$buff .= strtolower($k) . "=" . $v . "&";
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$buff .= $k . "=" . $v . "&";
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}
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$reqPar;
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if (strlen($buff) > 0) {
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$reqPar = substr($buff, 0, strlen($buff) - 1);
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}
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return $reqPar;
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}
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/**
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* 作用：生成签名
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*/
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public function getSign($Obj) {
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foreach ($Obj as $k => $v) {
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$Parameters[$k] = $v;
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}
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//签名步骤一：按字典序排序参数
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ksort($Parameters);
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$String = $this->formatBizQueryParaMap($Parameters, false);
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//echo '【string1】'.$String.'</br>';
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//签名步骤二：在string后加入KEY
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$String = $String . "&key=" . $this->key;
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//echo "【string2】".$String."</br>";
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//签名步骤三：MD5加密
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$String = md5($String);
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//echo "【string3】 ".$String."</br>";
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//签名步骤四：所有字符转为大写
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$result_ = strtoupper($String);
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//echo "【result】 ".$result_."</br>";
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return $result_;
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}
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/**
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* 作用：array转xml
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*/
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function arrayToXml($arr) {
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$xml = "<xml>";
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foreach ($arr as $key => $val) {
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if (is_numeric($val)) {
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$xml .= "<" . $key . ">" . $val . "</" . $key . ">";
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} else {
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$xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">";
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}
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}
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$xml .= "</xml>";
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return $xml;
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}
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/**
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* 作用：将xml转为array
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*/
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public function xmlToArray($xml) {
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//将XML转为array
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$array_data = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
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return $array_data;
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}
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/**
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* 作用：以post方式提交xml到对应的接口url
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*/
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public function postXmlCurl($xml, $url, $second = 30) {
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//初始化curl
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$ch = curl_init();
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//设置超时
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curl_setopt($ch, CURLOPT_TIMEOUT, $second);
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//这里设置代理，如果有的话
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//curl_setopt($ch,CURLOPT_PROXY, '8.8.8.8');
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//curl_setopt($ch,CURLOPT_PROXYPORT, 8080);
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
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curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
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//设置header
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curl_setopt($ch, CURLOPT_HEADER, FALSE);
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//要求结果为字符串且输出到屏幕上
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
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//post提交方式
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curl_setopt($ch, CURLOPT_POST, TRUE);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
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//运行curl
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$data = curl_exec($ch);
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//返回结果
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if ($data) {
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curl_close($ch);
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return $data;
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} else {
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$error = curl_errno($ch);
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curl_close($ch);
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return false;
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}
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}
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/**
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* 作用：以post方式提交xml到对应的接口url，只适用于撤销订单和退款
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*/
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public function postXmlCurlCancel($xml, $url, $second = 30) {
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//初始化curl
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$ch = curl_init();
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//设置超时
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curl_setopt($ch, CURLOPT_TIMEOUT, $second);
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//这里设置代理，如果有的话
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//curl_setopt($ch,CURLOPT_PROXY, '8.8.8.8');
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//curl_setopt($ch,CURLOPT_PROXYPORT, 8080);
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
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curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
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//设置证书
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curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
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curl_setopt($ch,CURLOPT_SSLCERT, $this->apiclient_cert);
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curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
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curl_setopt($ch,CURLOPT_SSLKEY, $this->apiclient_key);
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//设置header
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curl_setopt($ch, CURLOPT_HEADER, FALSE);
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//要求结果为字符串且输出到屏幕上
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
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//post提交方式
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curl_setopt($ch, CURLOPT_POST, TRUE);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
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//运行curl
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$data = curl_exec($ch);
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//返回结果
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if ($data) {
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curl_close($ch);
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return $data;
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} else {
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$error = curl_errno($ch);
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curl_close($ch);
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return false;
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}
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}
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}
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