376 行
13 KiB
PHP
可执行文件
376 行
13 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 Wxpaysdk
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{
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const UFORDER_URL = 'https://api.mch.weixin.qq.com/pay/unifiedorder'; //获取预支付URL,prepayid.
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private $mch_id; //微信支付商户号
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private $sub_mch_id; //微信支付子商户号
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private $sub_openid; //微信支付子商户号
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private $sub_appid; //微信支付子商户号
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private $key; //微信支付商户KEY
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private $openid; //微信支付用户号
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private $appid;
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private $appsecret;
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private $out_trade_no;
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private $total_fee; //总金额
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private $notify_url; //ND地址
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private $trade_type; //JSAPI
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private $curl_timeout;
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//动态参数
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private $parameters;
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//非必填参数，商户可根据实际情况选填
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//$unifiedOrder->setParameter("sub_mch_id","XXXX");//子商户号
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//$unifiedOrder->setParameter("device_info","XXXX");//设备号
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//$unifiedOrder->setParameter("attach","XXXX");//附加数据
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//$unifiedOrder->setParameter("time_start","XXXX");//交易起始时间
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//$unifiedOrder->setParameter("time_expire","XXXX");//交易结束时间
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//$unifiedOrder->setParameter("goods_tag","XXXX");//商品标记
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//$unifiedOrder->setParameter("openid","XXXX");//用户标识
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//$unifiedOrder->setParameter("product_id","XXXX");//商品ID
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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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//
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private $prepay_id; //获取prepay_id
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public function __construct($options) {
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$this->mch_id = isset($options['mch_id']) ? $options['mch_id'] : '';
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$this->appid = isset($options['appid']) ? $options['appid'] : '';
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$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->notify_url = isset($options['notify_url']) ? $options['notify_url'] : '';
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$this->trade_type = isset($options['trade_type']) ? $options['trade_type'] : 'JSAPI';
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$this->curl_timeout = isset($options['curl_timeout']) ? $options['curl_timeout'] : '30';
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$this->body = isset($options['body']) ? $options['body']:'';
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$this->key = isset($options['key'])?$options['key']:'';
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$this->openid = isset($options['openid'])?$options['openid']:'';
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if(!empty($options['sub_mch_id'])){
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$this->sub_mch_id = isset($options['sub_mch_id'])?$options['sub_mch_id']:'';
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}
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if(!empty($options['sub_appid'])){
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$this->sub_appid = isset($options['sub_appid'])?$options['sub_appid']:'';
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}
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if(!empty($options['sub_openid'])){
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$this->sub_openid = isset($options['sub_openid'])?$options['sub_openid']:'';
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}
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}
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/**
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* 获取prepay_id
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*/
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function getPrepayId() {
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$url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';
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$this->postXml($url); //追入获取链接
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/*print_r($this->response);
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exit;*/
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$this->result = $this->xmlToArray($this->response);
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$this->prepay_id = $this->result["prepay_id"];
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if(isset($this->result['result_code'])&&$this->result['result_code']=='SUCCESS' && isset($this->result['return_code'])&&$this->result['return_code']=='SUCCESS'){
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// print_r($this->result);
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$url = $this->getJSAPI();
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return $url;
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}else{
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return $this->result;
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}
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}
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/**
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* 作用：设置JSAPI_prepay_id
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*/
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function setPrepayId($prepayId) {
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$this->prepay_id = $prepayId;
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}
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/**
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* 作用：设置jsapi的参数
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*/
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public function getJSAPI() {
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if(!empty($this->sub_appid)){
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$wOpt['appId'] = $this->sub_appid;
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}else{
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$wOpt['appId'] = $this->appid;
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}
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$timeStamp = time();
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$wOpt['timeStamp'] = $timeStamp;
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$wOpt['nonceStr'] = $this->createNoncestr(8);
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$wOpt['package'] = 'prepay_id=' . $this->prepay_id;
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$wOpt['signType'] = 'MD5';
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ksort($wOpt, SORT_STRING);
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foreach ($wOpt as $key => $v) {
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$string .= "{$key}={$v}&";
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}
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/*echo $string;
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exit;*/
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$string .= "key=" . $this->key;
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// echo $string . "<br><br>";
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$wOpt['paySign'] = strtoupper(md5($string));
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// echo $wOpt['paySign'];
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$string .='&paySign='.$wOpt['paySign'];
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$wOpt['url'] = "http://" . $_SERVER['HTTP_HOST'] . __ROOT__ . "/wxpay.php?$string".'¬ify_url='.$this->notify_url;
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// echo $url;exit;
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return $wOpt;
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}
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/**
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* 作用：设置请求参数
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*/
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function setParameter($parameter, $parameterValue) {
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$this->parameters[$this->trimString($parameter)] = $this->trimString($parameterValue);
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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['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["nonce_str"] = $this->createNoncestr(); //随机字符串
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$this->parameters["spbill_create_ip"] = $_SERVER['REMOTE_ADDR']; //终端ip
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$this->parameters['body'] = $this->body;
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$this->parameters['trade_type'] = $this->trade_type;
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$this->parameters['notify_url'] = $this->notify_url;
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if(!empty($this->openid)){
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$this->parameters['openid'] = $this->openid;
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}
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if(!empty($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->sub_openid)){
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$this->parameters['sub_openid'] = $this->sub_openid;
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}
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$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 = $this->createXml();
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//dump($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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// print_r($arr);
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$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, CURLOP_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($ch);
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curl_close($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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* POST 请求
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* @param string $url
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* @param array $param
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* @param boolean $post_file 是否文件上传
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* @return string content
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*/
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private function http_post($url, $xml, $post_file = false) {
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$oCurl = curl_init();
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if (stripos($url, "https://") !== FALSE) {
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curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE);
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curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, false);
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curl_setopt($oCurl, CURLOPT_SSLVERSION, 1); //CURL_SSLVERSION_TLSv1
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}
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if (is_string($param) || $post_file) {
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$strPOST = $param;
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} else {
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$aPOST = array();
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foreach ($param as $key => $val) {
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$aPOST[] = $key . "=" . urlencode($val);
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}
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$strPOST = join("&", $aPOST);
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}
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curl_setopt($oCurl, CURLOPT_URL, $url);
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curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($oCurl, CURLOPT_POST, true);
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curl_setopt($oCurl, CURLOPT_POSTFIELDS, $strPOST);
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$sContent = curl_exec($oCurl);
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$aStatus = curl_getinfo($oCurl);
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curl_close($oCurl);
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if (intval($aStatus["http_code"]) == 200) {
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return $sContent;
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} else {
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return false;
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}
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}
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/**
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* 作用：使用证书，以post方式提交xml到对应的接口url
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*/
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function postXmlSSLCurl($xml, $url, $second = 30) {
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$ch = curl_init();
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//超时时间
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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($ch, CURLOPT_RETURNTRANSFER, TRUE);
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//设置证书
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//使用证书：cert 与 key 分别属于两个.pem文件
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//默认格式为PEM，可以注释
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curl_setopt($ch, CURLOPT_SSLCERTTYPE, 'PEM');
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curl_setopt($ch, CURLOPT_SSLCERT, WxPayConf_pub::SSLCERT_PATH);
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//默认格式为PEM，可以注释
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curl_setopt($ch, CURLOPT_SSLKEYTYPE, 'PEM');
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curl_setopt($ch, CURLOPT_SSLKEY, WxPayConf_pub::SSLKEY_PATH);
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//post提交方式
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curl_setopt($ch, CURLOPT_POST, true);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
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$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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