$v ) {
if ($urlencode) {
$v = urlencode ( $v );
}
$buff .= $k . "=" . $v . "&";
}
$reqPar;
if (strlen ( $buff ) > 0) {
$reqPar = substr ( $buff, 0, strlen ( $buff ) - 1 );
}
return $reqPar;
}
/**
* 生成签名
*/
public function getSign($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 );
// 签名步骤二:在string后加入KEY
$String = $String . "&key=" . WxPayConf::$KEY;
// 签名步骤三:MD5加密
$String = md5 ( $String );
// 签名步骤四:所有字符转为大写
$result_ = strtoupper ( $String );
return $result_;
}
/**
* array转xml
*/
function arrayToXml($arr) {
$xml = "";
foreach ( $arr as $key => $val ) {
if (is_numeric ( $val )) {
$xml .= "<" . $key . ">" . $val . "" . $key . ">";
} else
$xml .= "<" . $key . ">" . $key . ">";
}
$xml .= "";
return $xml;
}
/**
* 将xml转为array
*/
public function xmlToArray($xml) {
// 将XML转为array
libxml_disable_entity_loader(true);
libxml_use_internal_errors();
$array_data = json_decode ( json_encode ( simplexml_load_string ( $xml, 'SimpleXMLElement', LIBXML_NOCDATA ) ), true );
return $array_data;
}
/**
* 以post方式提交xml到对应的接口url
*/
public function postXmlCurl($xml, $url, $second = 30) {
// 初始化curl
$ch = curl_init ();
// 设置超时
curl_setopt ( $ch, CURLOPT_TIMEOUT, $second );
// 这里设置代理,如果有的话
curl_setopt ( $ch, CURLOPT_URL, $url );
curl_setopt ( $ch, CURLOPT_SSL_VERIFYPEER, FALSE );
curl_setopt ( $ch, CURLOPT_SSL_VERIFYHOST, FALSE );
// 设置header
curl_setopt ( $ch, CURLOPT_HEADER, FALSE );
// 要求结果为字符串且输出到屏幕上
curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, TRUE );
// post提交方式
curl_setopt ( $ch, CURLOPT_POST, TRUE );
curl_setopt ( $ch, CURLOPT_POSTFIELDS, $xml );
// 运行curl
$data = curl_exec ( $ch );
// 返回结果
if ($data) {
curl_close ( $ch );
return $data;
} else {
$error = curl_errno ( $ch );
echo "curl出错,错误码:$error" . "
";
echo "错误原因查询";
curl_close ( $ch );
return false;
}
}
/**
* 使用证书,以post方式提交xml到对应的接口url
*/
function postXmlSSLCurl($xml, $url, $second = 30) {
$ch = curl_init ();
// 超时时间
curl_setopt ( $ch, CURLOPT_TIMEOUT, $second );
curl_setopt ( $ch, CURLOPT_URL, $url );
curl_setopt ( $ch, CURLOPT_SSL_VERIFYPEER, FALSE );
curl_setopt ( $ch, CURLOPT_SSL_VERIFYHOST, FALSE );
// 设置header
curl_setopt ( $ch, CURLOPT_HEADER, FALSE );
// 要求结果为字符串且输出到屏幕上
curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, TRUE );
// 设置证书
curl_setopt ( $ch, CURLOPT_SSLCERT, WxPayConf::$SSLCERT_PATH );
curl_setopt ( $ch, CURLOPT_SSLKEY, WxPayConf::$SSLKEY_PATH );
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)
// post提交方式
curl_setopt ( $ch, CURLOPT_POST, true );
curl_setopt ( $ch, CURLOPT_POSTFIELDS, $xml );
$data = curl_exec ( $ch );
// 返回结果
if ($data) {
//curl_close ( $ch );
return $data;
} else {
$error = curl_errno ( $ch );
echo "curl出错,错误码:$error" . "
";
echo "错误原因查询";
curl_close ( $ch );
return false;
}
}
/**
* 打印数组
*/
function printErr($wording = '', $err = '') {
print_r ( '
' );
echo $wording . "";
var_dump ( $err );
print_r ( '
' );
}
}
/**
* 请求型接口的基类
*/
class WxpayClient extends CommonUtil {
var $parameters; // 请求参数,类型为关联数组
public $response; // 微信返回的响应
public $result; // 返回参数,类型为关联数组
var $url; // 接口链接
var $curl_timeout; // curl超时时间
/**
* 设置请求参数
*/
function setParameter($parameter, $parameterValue) {
$this->parameters [$this->trimString ( $parameter )] = $this->trimString ( $parameterValue );
}
/**
* 设置标配的请求参数,生成签名,生成接口参数xml
*/
function createXml() {
$this->parameters ["appid"] = WxPayConf::$APPID; // 公众账号ID
$this->parameters ["mch_id"] = WxPayConf::$MCHID; // 商户号
$this->parameters ["nonce_str"] = $this->createNoncestr (); // 随机字符串
$this->parameters ["sign"] = $this->getSign ( $this->parameters ); // 签名
print_r ( $this->parameters );
return $this->arrayToXml ( $this->parameters );
}
/**
* post请求xml
*/
function postXml() {
$xml = $this->createXml ();
$this->response = $this->postXmlCurl ( $xml, $this->url, $this->curl_timeout );
return $this->response;
}
/**
* 使用证书post请求xml
*/
function postXmlSSL() {
$xml = $this->createXml ();
$this->response = $this->postXmlSSLCurl ( $xml, $this->url, $this->curl_timeout );
return $this->response;
}
/**
* 获取结果,默认不使用证书
*/
function getResult() {
$this->postXml ();
$this->result = $this->xmlToArray ( $this->response );
return $this->result;
}
}
/**
* 统一支付接口类
*/
class UnifiedOrder extends WxpayClient {
function __construct() {
// 设置接口链接
$this->url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
// 设置curl超时时间
$this->curl_timeout = WxPayConf::$CURL_TIMEOUT;
}
/**
* 生成接口参数xml
*/
function createXml() {
try {
// 检测必填参数
if ($this->parameters ["out_trade_no"] == null) {
throw new WxException ( "缺少统一支付接口必填参数out_trade_no!" . "
" );
} elseif ($this->parameters ["body"] == null) {
throw new WxException ( "缺少统一支付接口必填参数body!" . "
" );
} elseif ($this->parameters ["total_fee"] == null) {
throw new WxException ( "缺少统一支付接口必填参数total_fee!" . "
" );
} elseif ($this->parameters ["notify_url"] == null) {
throw new WxException ( "缺少统一支付接口必填参数notify_url!" . "
" );
} elseif ($this->parameters ["trade_type"] == null) {
throw new WxException ( "缺少统一支付接口必填参数trade_type!" . "
" );
} elseif ($this->parameters ["trade_type"] == "JSAPI" && $this->parameters ["openid"] == NULL) {
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!" . "
" );
}
$this->parameters ["appid"] = WxPayConf::$APPID; // 公众账号ID
$this->parameters ["mch_id"] = WxPayConf::$MCHID; // 商户号
$this->parameters ["spbill_create_ip"] = $_SERVER ['REMOTE_ADDR']; // 终端ip
$this->parameters ["nonce_str"] = $this->createNoncestr (); // 随机字符串
$this->parameters ["sign"] = $this->getSign ( $this->parameters ); // 签名
return $this->arrayToXml ( $this->parameters );
} catch ( WxException $e ) {
die ( $e->errorMessage () );
}
}
/**
* 设置jsapi的参数
*/
public function getParameters($obj) {
$appObj ["appid"] = WxPayConf::$APPID;
$appObj ["partnerid"] = WxPayConf::$MCHID; // 商户号
$appObj ["prepayid"] = $obj["prepayid"];
$appObj ["package"] = "Sign=WXPay";
$appObj ["noncestr"] = $this->createNoncestr ();
$timeStamp = time ();
$appObj ["timestamp"] = (string)$timeStamp;
$appObj ["sign"] = $this->getSign ( $appObj );
return $appObj;
}
/**
* 获取prepay_id
*/
function getPrepayId() {
$this->postXml ();
$this->result = $this->xmlToArray ( $this->response );
$prepay_id = $this->result ["prepay_id"];
return $prepay_id;
}
}
/**
* 订单查询接口
*/
class OrderQuery extends WxpayClient {
function __construct() {
// 设置接口链接
$this->url = "https://api.mch.weixin.qq.com/pay/orderquery";
// 设置curl超时时间
$this->curl_timeout = WxPayConf::$CURL_TIMEOUT;
}
/**
* 生成接口参数xml
*/
function createXml() {
try {
// 检测必填参数
if ($this->parameters ["out_trade_no"] == null && $this->parameters ["transaction_id"] == null) {
throw new WxException ( "订单查询接口中,out_trade_no、transaction_id至少填一个!" . "
" );
}
$this->parameters ["appid"] = WxPayConf::$APPID; // 公众账号ID
$this->parameters ["mch_id"] = WxPayConf::$MCHID; // 商户号
$this->parameters ["nonce_str"] = $this->createNoncestr (); // 随机字符串
$this->parameters ["sign"] = $this->getSign ( $this->parameters ); // 签名
return $this->arrayToXml ( $this->parameters );
} catch ( WxException $e ) {
die ( $e->errorMessage () );
}
}
}
/**
* 响应型接口基类
*/
class WxpayServer extends CommonUtil {
public $data; // 接收到的数据,类型为关联数组
var $returnParameters; // 返回参数,类型为关联数组
/**
* 将微信的请求xml转换成关联数组,以方便数据处理
*/
function saveData($xml) {
$this->data = $this->xmlToArray ( $xml );
}
function checkSign() {
$tmpData = $this->data;
unset ( $tmpData ['sign'] );
$sign = $this->getSign ( $tmpData ); // 本地签名
if ($this->data ['sign'] == $sign) {
return TRUE;
}
return FALSE;
}
/**
* 获取微信的请求数据
*/
function getData() {
return $this->data;
}
/**
* 设置返回微信的xml数据
*/
function setReturnParameter($parameter, $parameterValue) {
$this->returnParameters [$this->trimString ( $parameter )] = $this->trimString ( $parameterValue );
}
/**
* 生成接口参数xml
*/
function createXml() {
return $this->arrayToXml ( $this->returnParameters );
}
/**
* 将xml数据返回微信
*/
function returnXml() {
$returnXml = $this->createXml ();
return $returnXml;
}
}
/**
* 通用通知接口
*/
class Notify extends WxpayServer {
}
/**
* 请求商家获取商品信息接口
*/
class NativeCall extends WxpayServer {
/**
* 生成接口参数xml
*/
function createXml() {
if ($this->returnParameters ["return_code"] == "SUCCESS") {
$this->returnParameters ["appid"] = WxPayConf::$APPID; // 公众账号ID
$this->returnParameters ["mch_id"] = WxPayConf::$MCHID; // 商户号
$this->returnParameters ["nonce_str"] = $this->createNoncestr (); // 随机字符串
$this->returnParameters ["sign"] = $this->getSign ( $this->returnParameters ); // 签名
}
return $this->arrayToXml ( $this->returnParameters );
}
/**
* 获取product_id
*/
function getProductId() {
$product_id = $this->data ["product_id"];
return $product_id;
}
}
/**
* 静态链接二维码
*/
class NativeLink extends CommonUtil {
var $parameters; // 静态链接参数
var $url; // 静态链接
function __construct() {
}
/**
* 设置参数
*/
function setParameter($parameter, $parameterValue) {
$this->parameters [$this->trimString ( $parameter )] = $this->trimString ( $parameterValue );
}
/**
* 生成Native支付链接二维码
*/
function createLink() {
try {
if ($this->parameters ["product_id"] == null) {
throw new WxException ( "缺少Native支付二维码链接必填参数product_id!" . "
" );
}
$this->parameters ["appid"] = WxPayConf::$APPID; // 公众账号ID
$this->parameters ["mch_id"] = WxPayConf::$MCHID; // 商户号
$time_stamp = time ();
$this->parameters ["time_stamp"] = "$time_stamp"; // 时间戳
$this->parameters ["nonce_str"] = $this->createNoncestr (); // 随机字符串
$this->parameters ["sign"] = $this->getSign ( $this->parameters ); // 签名
$bizString = $this->formatBizQueryParaMap ( $this->parameters, false );
$this->url = "weixin://wxpay/bizpayurl?" . $bizString;
} catch ( WxException $e ) {
die ( $e->errorMessage () );
}
}
/**
* 返回链接
*/
function getUrl() {
$this->createLink ();
return $this->url;
}
}
/**
* JSAPI支付——H5网页端调起支付接口
*/
class JsApi extends CommonUtil {
var $code; // code码,用以获取openid
var $openid; // 用户的openid
var $parameters; // jsapi参数,格式为json
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;
}
}
?>