573 lines
16 KiB
PHP
Executable File
573 lines
16 KiB
PHP
Executable File
<?php
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/**
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* 微信支付
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*/
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include_once ("WxException.php");
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include_once ("WxPayConf.php");
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/**
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* 所有接口的基类
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*/
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class CommonUtil {
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function __construct() {
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}
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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 $ret;
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}
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/**
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* 产生随机字符串，不长于32位
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*/
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public function createNoncestr($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 $str;
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}
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/**
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* 格式化参数，签名过程需要使用
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*/
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function formatBizQueryParaMap($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 .= $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 $reqPar;
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}
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/**
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* 生成签名
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*/
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public function getSign($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 ( $Parameters, false );
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// 签名步骤二：在string后加入KEY
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$String = $String . "&key=" . WxPayConf::$KEY;
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// 签名步骤三：MD5加密
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$String = md5 ( $String );
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// 签名步骤四：所有字符转为大写
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$result_ = strtoupper ( $String );
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return $result_;
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}
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/**
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* array转xml
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*/
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function arrayToXml($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 . "]]></" . $key . ">";
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}
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$xml .= "</xml>";
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return $xml;
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}
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/**
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* 将xml转为array
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*/
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public function xmlToArray($xml) {
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// 将XML转为array
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libxml_disable_entity_loader(true);
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libxml_use_internal_errors();
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$array_data = json_decode ( json_encode ( simplexml_load_string ( $xml, 'SimpleXMLElement', LIBXML_NOCDATA ) ), true );
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return $array_data;
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}
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/**
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* 以post方式提交xml到对应的接口url
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*/
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public function postXmlCurl($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_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 ( $ch );
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echo "curl出错，错误码:$error" . "<br>";
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echo "<a href='http://curl.haxx.se/libcurl/c/libcurl-errors.html'>错误原因查询</a></br>";
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curl_close ( $ch );
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return false;
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}
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}
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/**
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* 使用证书，以post方式提交xml到对应的接口url
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*/
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function postXmlSSLCurl($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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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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curl_setopt ( $ch, CURLOPT_SSLCERT, WxPayConf::$SSLCERT_PATH );
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curl_setopt ( $ch, CURLOPT_SSLKEY, WxPayConf::$SSLKEY_PATH );
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curl_setopt ( $ch, CURLOPT_CAINFO, WxPayConf::$SSLCA_PATH ); // CA根证书（用来验证的网站证书是否是CA颁布）
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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 ( $ch );
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echo "curl出错，错误码:$error" . "<br>";
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echo "<a href='http://curl.haxx.se/libcurl/c/libcurl-errors.html'>错误原因查询</a></br>";
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curl_close ( $ch );
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return false;
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}
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}
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/**
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* 打印数组
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*/
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function printErr($wording = '', $err = '') {
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print_r ( '<pre>' );
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echo $wording . "</br>";
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var_dump ( $err );
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print_r ( '</pre>' );
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}
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}
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/**
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* 请求型接口的基类
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*/
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class WxpayClient extends CommonUtil {
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var $parameters; // 请求参数，类型为关联数组
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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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var $url; // 接口链接
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var $curl_timeout; // curl超时时间
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/**
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* 设置请求参数
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*/
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function setParameter($parameter, $parameterValue) {
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$this->parameters [$this->trimString ( $parameter )] = $this->trimString ( $parameterValue );
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}
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/**
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* 设置标配的请求参数，生成签名，生成接口参数xml
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*/
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function createXml() {
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$this->parameters ["appid"] = WxPayConf::$APPID; // 公众账号ID
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$this->parameters ["mch_id"] = WxPayConf::$MCHID; // 商户号
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$this->parameters ["nonce_str"] = $this->createNoncestr (); // 随机字符串
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$this->parameters ["sign"] = $this->getSign ( $this->parameters ); // 签名
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print_r ( $this->parameters );
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return $this->arrayToXml ( $this->parameters );
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}
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/**
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* post请求xml
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*/
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function postXml() {
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$xml = $this->createXml ();
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$this->response = $this->postXmlCurl ( $xml, $this->url, $this->curl_timeout );
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return $this->response;
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}
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/**
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* 使用证书post请求xml
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*/
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function postXmlSSL() {
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$xml = $this->createXml ();
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$this->response = $this->postXmlSSLCurl ( $xml, $this->url, $this->curl_timeout );
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return $this->response;
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}
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/**
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* 获取结果，默认不使用证书
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*/
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function getResult() {
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$this->postXml ();
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$this->result = $this->xmlToArray ( $this->response );
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return $this->result;
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}
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}
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/**
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* 统一支付接口类
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*/
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class UnifiedOrder extends WxpayClient {
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function __construct() {
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// 设置接口链接
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$this->url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
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// 设置curl超时时间
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$this->curl_timeout = WxPayConf::$CURL_TIMEOUT;
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}
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/**
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* 生成接口参数xml
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*/
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function createXml() {
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try {
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// 检测必填参数
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if ($this->parameters ["out_trade_no"] == null) {
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throw new WxException ( "缺少统一支付接口必填参数out_trade_no！" . "<br>" );
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} elseif ($this->parameters ["body"] == null) {
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throw new WxException ( "缺少统一支付接口必填参数body！" . "<br>" );
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} elseif ($this->parameters ["total_fee"] == null) {
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throw new WxException ( "缺少统一支付接口必填参数total_fee！" . "<br>" );
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} elseif ($this->parameters ["notify_url"] == null) {
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throw new WxException ( "缺少统一支付接口必填参数notify_url！" . "<br>" );
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} elseif ($this->parameters ["trade_type"] == null) {
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throw new WxException ( "缺少统一支付接口必填参数trade_type！" . "<br>" );
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} elseif ($this->parameters ["trade_type"] == "JSAPI" && $this->parameters ["openid"] == NULL) {
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throw new WxException ( "统一支付接口中，缺少必填参数openid！trade_type为JSAPI时，openid为必填参数！" . "<br>" );
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}
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$this->parameters ["appid"] = WxPayConf::$APPID; // 公众账号ID
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$this->parameters ["mch_id"] = WxPayConf::$MCHID; // 商户号
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$this->parameters ["spbill_create_ip"] = $_SERVER ['REMOTE_ADDR']; // 终端ip
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$this->parameters ["nonce_str"] = $this->createNoncestr (); // 随机字符串
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$this->parameters ["sign"] = $this->getSign ( $this->parameters ); // 签名
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return $this->arrayToXml ( $this->parameters );
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} catch ( WxException $e ) {
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die ( $e->errorMessage () );
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}
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}
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/**
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* 设置jsapi的参数
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*/
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public function getParameters($obj) {
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$appObj ["appid"] = WxPayConf::$APPID;
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$appObj ["partnerid"] = WxPayConf::$MCHID; // 商户号
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$appObj ["prepayid"] = $obj["prepayid"];
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$appObj ["package"] = "Sign=WXPay";
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$appObj ["noncestr"] = $this->createNoncestr ();
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$timeStamp = time ();
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$appObj ["timestamp"] = (string)$timeStamp;
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$appObj ["sign"] = $this->getSign ( $appObj );
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return $appObj;
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}
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/**
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* 获取prepay_id
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*/
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function getPrepayId() {
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$this->postXml ();
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$this->result = $this->xmlToArray ( $this->response );
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$prepay_id = $this->result ["prepay_id"];
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return $prepay_id;
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}
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}
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/**
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* 订单查询接口
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*/
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class OrderQuery extends WxpayClient {
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function __construct() {
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// 设置接口链接
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$this->url = "https://api.mch.weixin.qq.com/pay/orderquery";
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// 设置curl超时时间
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$this->curl_timeout = WxPayConf::$CURL_TIMEOUT;
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}
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/**
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* 生成接口参数xml
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*/
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function createXml() {
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try {
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// 检测必填参数
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if ($this->parameters ["out_trade_no"] == null && $this->parameters ["transaction_id"] == null) {
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throw new WxException ( "订单查询接口中，out_trade_no、transaction_id至少填一个！" . "<br>" );
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}
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$this->parameters ["appid"] = WxPayConf::$APPID; // 公众账号ID
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$this->parameters ["mch_id"] = WxPayConf::$MCHID; // 商户号
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$this->parameters ["nonce_str"] = $this->createNoncestr (); // 随机字符串
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$this->parameters ["sign"] = $this->getSign ( $this->parameters ); // 签名
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return $this->arrayToXml ( $this->parameters );
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} catch ( WxException $e ) {
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die ( $e->errorMessage () );
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}
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}
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}
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/**
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* 响应型接口基类
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*/
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class WxpayServer extends CommonUtil {
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public $data; // 接收到的数据，类型为关联数组
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var $returnParameters; // 返回参数，类型为关联数组
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/**
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* 将微信的请求xml转换成关联数组，以方便数据处理
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*/
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function saveData($xml) {
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$this->data = $this->xmlToArray ( $xml );
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}
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function checkSign() {
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$tmpData = $this->data;
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unset ( $tmpData ['sign'] );
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$sign = $this->getSign ( $tmpData ); // 本地签名
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if ($this->data ['sign'] == $sign) {
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return TRUE;
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}
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return FALSE;
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}
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/**
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* 获取微信的请求数据
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*/
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function getData() {
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return $this->data;
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}
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/**
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* 设置返回微信的xml数据
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*/
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function setReturnParameter($parameter, $parameterValue) {
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$this->returnParameters [$this->trimString ( $parameter )] = $this->trimString ( $parameterValue );
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}
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/**
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* 生成接口参数xml
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*/
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function createXml() {
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return $this->arrayToXml ( $this->returnParameters );
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}
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/**
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* 将xml数据返回微信
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*/
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function returnXml() {
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$returnXml = $this->createXml ();
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return $returnXml;
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}
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}
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/**
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* 通用通知接口
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*/
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class Notify extends WxpayServer {
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}
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/**
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* 请求商家获取商品信息接口
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*/
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class NativeCall extends WxpayServer {
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/**
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* 生成接口参数xml
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*/
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function createXml() {
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if ($this->returnParameters ["return_code"] == "SUCCESS") {
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$this->returnParameters ["appid"] = WxPayConf::$APPID; // 公众账号ID
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$this->returnParameters ["mch_id"] = WxPayConf::$MCHID; // 商户号
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$this->returnParameters ["nonce_str"] = $this->createNoncestr (); // 随机字符串
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$this->returnParameters ["sign"] = $this->getSign ( $this->returnParameters ); // 签名
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}
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return $this->arrayToXml ( $this->returnParameters );
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}
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/**
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* 获取product_id
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*/
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function getProductId() {
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$product_id = $this->data ["product_id"];
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return $product_id;
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}
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}
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/**
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* 静态链接二维码
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*/
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class NativeLink extends CommonUtil {
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var $parameters; // 静态链接参数
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var $url; // 静态链接
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function __construct() {
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}
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/**
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* 设置参数
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*/
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function setParameter($parameter, $parameterValue) {
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$this->parameters [$this->trimString ( $parameter )] = $this->trimString ( $parameterValue );
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}
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/**
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* 生成Native支付链接二维码
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*/
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function createLink() {
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try {
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if ($this->parameters ["product_id"] == null) {
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throw new WxException ( "缺少Native支付二维码链接必填参数product_id！" . "<br>" );
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}
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$this->parameters ["appid"] = WxPayConf::$APPID; // 公众账号ID
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$this->parameters ["mch_id"] = WxPayConf::$MCHID; // 商户号
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$time_stamp = time ();
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$this->parameters ["time_stamp"] = "$time_stamp"; // 时间戳
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$this->parameters ["nonce_str"] = $this->createNoncestr (); // 随机字符串
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$this->parameters ["sign"] = $this->getSign ( $this->parameters ); // 签名
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$bizString = $this->formatBizQueryParaMap ( $this->parameters, false );
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$this->url = "weixin://wxpay/bizpayurl?" . $bizString;
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} catch ( WxException $e ) {
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die ( $e->errorMessage () );
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}
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}
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/**
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* 返回链接
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*/
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function getUrl() {
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$this->createLink ();
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return $this->url;
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}
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}
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/**
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* JSAPI支付——H5网页端调起支付接口
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*/
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class JsApi extends CommonUtil {
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var $code; // code码，用以获取openid
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var $openid; // 用户的openid
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var $parameters; // jsapi参数，格式为json
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var $prepay_id; // 使用统一支付接口得到的预支付id
|
||
var $curl_timeout; // curl超时时间
|
||
function __construct() {
|
||
// 设置curl超时时间
|
||
$this->curl_timeout = WxPayConf::$CURL_TIMEOUT;
|
||
}
|
||
|
||
/**
|
||
* 生成可以获得code的url
|
||
*/
|
||
function createOauthUrlForCode($redirectUrl) {
|
||
$urlObj ["appid"] = WxPayConf::$APPID;
|
||
$urlObj ["redirect_uri"] = "$redirectUrl";
|
||
$urlObj ["response_type"] = "code";
|
||
$urlObj ["scope"] = "snsapi_base";
|
||
$urlObj ["state"] = "STATE" . "#wechat_redirect";
|
||
$bizString = $this->formatBizQueryParaMap ( $urlObj, false );
|
||
return "https://open.weixin.qq.com/connect/oauth2/authorize?" . $bizString;
|
||
}
|
||
|
||
/**
|
||
* 生成可以获得openid的url
|
||
*/
|
||
function createOauthUrlForOpenid() {
|
||
$urlObj ["appid"] = WxPayConf::$APPID;
|
||
$urlObj ["secret"] = WxPayConf::$APPSECRET;
|
||
$urlObj ["code"] = $this->code;
|
||
$urlObj ["grant_type"] = "authorization_code";
|
||
$bizString = $this->formatBizQueryParaMap ( $urlObj, false );
|
||
return "https://api.weixin.qq.com/sns/oauth2/access_token?" . $bizString;
|
||
}
|
||
|
||
/**
|
||
* 通过curl向微信提交code，以获取openid
|
||
*/
|
||
function getOpenid() {
|
||
$url = $this->createOauthUrlForOpenid ();
|
||
// 初始化curl
|
||
$ch = curl_init ();
|
||
// 设置超时
|
||
curl_setopt ( $ch, CURLOPT_TIMEOUT, $this->curl_timeout );
|
||
curl_setopt ( $ch, CURLOPT_URL, $url );
|
||
curl_setopt ( $ch, CURLOPT_SSL_VERIFYPEER, FALSE );
|
||
curl_setopt ( $ch, CURLOPT_SSL_VERIFYHOST, FALSE );
|
||
curl_setopt ( $ch, CURLOPT_HEADER, FALSE );
|
||
curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, TRUE );
|
||
// 运行curl，结果以jason形式返回
|
||
$res = curl_exec ( $ch );
|
||
curl_close ( $ch );
|
||
// 取出openid
|
||
$data = json_decode ( $res, true );
|
||
$this->openid = $data ['openid'];
|
||
return $this->openid;
|
||
}
|
||
|
||
/**
|
||
* 设置prepay_id
|
||
*/
|
||
function setPrepayId($prepayId) {
|
||
$this->prepay_id = $prepayId;
|
||
}
|
||
|
||
/**
|
||
* 设置code
|
||
*/
|
||
function setCode($code_) {
|
||
$this->code = $code_;
|
||
}
|
||
|
||
/**
|
||
* 设置jsapi的参数
|
||
*/
|
||
public function getParameters() {
|
||
$jsApiObj ["appId"] = WxPayConf::$APPID;
|
||
$timeStamp = time ();
|
||
$jsApiObj ["timeStamp"] = (string)$timeStamp;
|
||
$jsApiObj ["nonceStr"] = $this->createNoncestr ();
|
||
$jsApiObj ["package"] = "prepay_id=$this->prepay_id";
|
||
$jsApiObj ["signType"] = "MD5";
|
||
$jsApiObj ["paySign"] = $this->getSign ( $jsApiObj );
|
||
$this->parameters = json_encode ( $jsApiObj );
|
||
|
||
return $this->parameters;
|
||
}
|
||
}
|
||
|
||
?>
|