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  • 开设时间:2006-3-2
  • 更新时间:2019年11月19日

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    2017-9-20 17:16:40   晴天 
    开新窗口访问该主题 分享微信h5支付源码
    类库代码 wechatH5Pay.php
    <?php
    //use Flight;
    /**
    * 微信支付服务器端下单
    * 微信APP支付文档地址: https://pay.weixin.qq.com/wiki/doc/api/app.php?chapter=8_6
    * 使用示例
    * 构造方法参数
    * 'appid' => //填写微信分配的公众账号ID
    * 'mch_id' => //填写微信支付分配的商户号
    * 'notify_url'=> //填写微信支付结果回调地址
    * 'key' => //填写微信商户支付密钥
    * );
    * 统一下单方法
    * $WechatAppPay = new wechatAppPay($options);
    * $params['body'] = '商品描述'; //商品描述
    * $params['out_trade_no'] = '1217752501201407'; //自定义的订单号,不能重复
    * $params['total_fee'] = '100'; //订单金额 只能为整数 单位为分
    * $params['trade_type'] = 'APP'; //交易类型 JSAPI | NATIVE |APP | WAP
    * $wechatAppPay->unifiedOrder( $params );
    */
    class wechatAppPay
    {
    //接口API URL前缀
    const API_URL_PREFIX = 'https://api.mch.weixin.qq.com';
    //下单地址URL
    const UNIFIEDORDER_URL = "/pay/unifiedorder";
    //查询订单URL
    const ORDERQUERY_URL = "/pay/orderquery";
    //关闭订单URL
    const CLOSEORDER_URL = "/pay/closeorder";
    //公众账号ID
    private $appid;
    //商户号
    private $mch_id;
    //随机字符串
    private $nonce_str;
    //签名
    private $sign;
    //商品描述
    private $body;
    //商户订单号
    private $out_trade_no;
    //支付总金额
    private $total_fee;
    //终端IP
    private $spbill_create_ip;
    //支付结果回调通知地址
    private $notify_url;
    //交易类型
    private $trade_type;
    //支付密钥
    private $key;
    //证书路径
    private $SSLCERT_PATH;
    private $SSLKEY_PATH;
    //所有参数
    private $params = array();
    public function __construct($appid, $mch_id, $notify_url, $key)
    {
    $this->appid = $appid;
    $this->mch_id = $mch_id;
    $this->notify_url = $notify_url;
    $this->key = $key;
    }
    /**
    * 下单方法
    * @param $params 下单参数
    */
    public function unifiedOrder( $params ){
    $this->body = $params['body'];
    $this->out_trade_no = $params['out_trade_no'];
    $this->total_fee = $params['total_fee'];
    $this->trade_type = $params['trade_type'];
    $this->scene_info = $params['scene_info'];
    $this->nonce_str = $this->genRandomString();
    $this->spbill_create_ip = $_SERVER['REMOTE_ADDR'];
    $this->params['appid'] = $this->appid;
    $this->params['mch_id'] = $this->mch_id;
    $this->params['nonce_str'] = $this->nonce_str;
    $this->params['body'] = $this->body;
    $this->params['out_trade_no'] = $this->out_trade_no;
    $this->params['total_fee'] = $this->total_fee;
    $this->params['spbill_create_ip'] = $this->spbill_create_ip;
    $this->params['notify_url'] = $this->notify_url;
    $this->params['trade_type'] = $this->trade_type;
    $this->params['scene_info'] = $this->scene_info;
    //获取签名数据
    $this->sign = $this->MakeSign( $this->params );
    $this->params['sign'] = $this->sign;
    $xml = $this->data_to_xml($this->params);
    $response = $this->postXmlCurl($xml, self::API_URL_PREFIX.self::UNIFIEDORDER_URL);
    if( !$response ){
    return false;
    }
    $result = $this->xml_to_data( $response );
    if( !empty($result['result_code']) && !empty($result['err_code']) ){
    $result['err_msg'] = $this->error_code( $result['err_code'] );
    }
    return $result;
    }
    /**
    * 查询订单信息
    * @param $out_trade_no 订单号
    * @return array
    */
    public function orderQuery( $out_trade_no ){
    $this->params['appid'] = $this->appid;
    $this->params['mch_id'] = $this->mch_id;
    $this->params['nonce_str'] = $this->genRandomString();
    $this->params['out_trade_no'] = $out_trade_no;
    //获取签名数据
    $this->sign = $this->MakeSign( $this->params );
    $this->params['sign'] = $this->sign;
    $xml = $this->data_to_xml($this->params);
    $response = $this->postXmlCurl($xml, self::API_URL_PREFIX.self::ORDERQUERY_URL);
    if( !$response ){
    return false;
    }
    $result = $this->xml_to_data( $response );
    if( !empty($result['result_code']) && !empty($result['err_code']) ){
    $result['err_msg'] = $this->error_code( $result['err_code'] );
    }
    return $result;
    }
    /**
    * 关闭订单
    * @param $out_trade_no 订单号
    * @return array
    */
    public function closeOrder( $out_trade_no ){
    $this->params['appid'] = $this->appid;
    $this->params['mch_id'] = $this->mch_id;
    $this->params['nonce_str'] = $this->genRandomString();
    $this->params['out_trade_no'] = $out_trade_no;
    //获取签名数据
    $this->sign = $this->MakeSign( $this->params );
    $this->params['sign'] = $this->sign;
    $xml = $this->data_to_xml($this->params);
    $response = $this->postXmlCurl($xml, self::API_URL_PREFIX.self::CLOSEORDER_URL);
    if( !$response ){
    return false;
    }
    $result = $this->xml_to_data( $response );
    return $result;
    }
    /**
    *
    * 获取支付结果通知数据
    * return array
    */
    public function getNotifyData(){
    //获取通知的数据
    $xml = $GLOBALS['HTTP_RAW_POST_DATA'];
    //echo 123;die;
    $data = array();
    if( empty($xml) ){
    return false;
    }
    $data = $this->xml_to_data( $xml );
    if( !empty($data['return_code']) ){
    if( $data['return_code'] == 'FAIL' ){
    return false;
    }
    }
    return $data;
    }
    /**
    * 接收通知成功后应答输出XML数据
    * @param string $xml
    */
    public function replyNotify(){
    $data['return_code'] = 'SUCCESS';
    $data['return_msg'] = 'OK';
    $xml = $this->data_to_xml( $data );
    echo $xml;
    die();
    }
    /**
    * 生成APP端支付参数
    * @param $prepayid 预支付id
    */
    public function getAppPayParams( $prepayid ){
    $data['appid'] = $this->appid;
    $data['partnerid'] = $this->mch_id;
    $data['prepayid'] = $prepayid;
    $data['package'] = 'Sign=WXPay';
    $data['noncestr'] = $this->genRandomString();
    $data['timestamp'] = time();
    $data['sign'] = $this->MakeSign( $data );
    return $data;
    }
    /**
    * 生成签名
    * @return 签名
    */
    public function MakeSign( $params ){
    //签名步骤一:按字典序排序数组参数
    ksort($params);
    $string = $this->ToUrlParams($params);
    //签名步骤二:在string后加入KEY
    $string = $string . "&key=".$this->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;
    }
    /**
    * 将参数拼接为url: key=value&key=value
    * @param $params
    * @return string
    */
    public function ToUrlParams( $params ){
    $string = '';
    if( !empty($params) ){
    $array = array();
    foreach( $params as $key => $value ){
    $array[] = $key.'='.$value;
    }
    $string = implode("&",$array);
    }
    return $string;
    }
    /**
    * 输出xml字符
    * @param $params 参数名称
    * return string 返回组装的xml
    **/
    public function data_to_xml( $params ){
    if(!is_array($params)|| count($params) <= 0)
    {
    return false;
    }
    $xml = "<xml>";
    foreach ($params as $key=>$val)
    {
    if (is_numeric($val)){
    $xml.="<".$key.">".$val."</".$key.">";
    }else{
    $xml.="<".$key."><![CDATA[".$val."]]></".$key.">";
    }
    }
    $xml.="</xml>";
    return $xml;
    }
    /**
    * 将xml转为array
    * @param string $xml
    * return array
    */
    public function xml_to_data($xml){
    if(!$xml){
    return false;
    }
    //将XML转为array
    //禁止引用外部xml实体
    libxml_disable_entity_loader(true);
    $data = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
    return $data;
    }
    /**
    * 获取毫秒级别的时间戳
    */
    private static function getMillisecond(){
    //获取毫秒的时间戳
    $time = explode ( " ", microtime () );
    $time = $time[1] . ($time[0] * 1000);
    $time2 = explode( ".", $time );
    $time = $time2[0];
    return $time;
    }
    /**
    * 产生一个指定长度的随机字符串,并返回给用户
    * @param type $len 产生字符串的长度
    * @return string 随机字符串
    */
    private function genRandomString($len = 32) {
    $chars = array(
    "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k",
    "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v",
    "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G",
    "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R",
    "S", "T", "U", "V", "W", "X", "Y", "Z", "0", "1", "2",
    "3", "4", "5", "6", "7", "8", "9"
    );
    $charsLen = count($chars) - 1;
    // 将数组打乱
    shuffle($chars);
    $output = "";
    for ($i = 0; $i < $len; $i++) {
    $output .= $chars[mt_rand(0, $charsLen)];
    }
    return $output;
    }
    /**
    * 以post方式提交xml到对应的接口url
    *
    * @param string $xml 需要post的xml数据
    * @param string $url url
    * @param bool $useCert 是否需要证书,默认不需要
    * @param int $second url执行超时时间,默认30s
    * @throws WxPayException
    */
    private function postXmlCurl($xml, $url, $useCert = false, $second = 30){
    $ch = curl_init();
    //设置超时
    curl_setopt($ch, CURLOPT_TIMEOUT, $second);
    curl_setopt($ch,CURLOPT_URL, $url);
    curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE);
    curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,2);
    //设置header
    curl_setopt($ch, CURLOPT_HEADER, FALSE);
    //要求结果为字符串且输出到屏幕上
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
    if($useCert == true){
    //设置证书
    //使用证书:cert 与 key 分别属于两个.pem文件
    curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
    //curl_setopt($ch,CURLOPT_SSLCERT, WxPayConfig::SSLCERT_PATH);
    curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
    //curl_setopt($ch,CURLOPT_SSLKEY, WxPayConfig::SSLKEY_PATH);
    }
    //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);
    curl_close($ch);
    return false;
    }
    }
    /**
    * 错误代码
    * @param $code 服务器输出的错误代码
    * return string
    */
    public function error_code( $code ){
    $errList = array(
    'NOAUTH' => '商户未开通此接口权限',
    'NOTENOUGH' => '用户帐号余额不足',
    'ORDERNOTEXIST' => '订单号不存在',
    'ORDERPAID' => '商户订单已支付,无需重复操作',
    'ORDERCLOSED' => '当前订单已关闭,无法支付',
    'SYSTEMERROR' => '系统错误!系统超时',
    'APPID_NOT_EXIST' => '参数中缺少APPID',
    'MCHID_NOT_EXIST' => '参数中缺少MCHID',
    'APPID_MCHID_NOT_MATCH' => 'appid和mch_id不匹配',
    'LACK_PARAMS' => '缺少必要的请求参数',
    'OUT_TRADE_NO_USED' => '同一笔交易不能多次提交',
    'SIGNERROR' => '参数签名结果不正确',
    'XML_FORMAT_ERROR' => 'XML格式错误',
    'REQUIRE_POST_METHOD' => '未使用post传递参数 ',
    'POST_DATA_EMPTY' => 'post数据不能为空',
    'NOT_UTF8' => '未使用指定编码格式',
    );
    if( array_key_exists( $code , $errList ) ){
    return $errList[$code];
    }
    }
    }
    php?>

    调用实例wxh5.php
    <?php
    namespace weixinpayApp;
    include 'wechatH5Pay.php';
    class wxh5{
    //$data 金额和订单号
    public function wxh5Request($data){
    $appid = 'wxdf************';
    $mch_id = '*********';//商户号
    $key = '32位申请时自己设置的';//商户key
    $notify_url = "https://www.gujia.la/wxnativepay";//回调地址
    $wechatAppPay = new \wechatAppPay($appid, $mch_id, $notify_url, $key);
    $params['body'] = '估价啦'; //商品描述
    $params['out_trade_no'] = $data['oid']; //自定义的订单号
    $params['total_fee'] = '1'; //订单金额 只能为整数 单位为分
    $params['trade_type'] = 'MWEB'; //交易类型 JSAPI | NATIVE | APP | WAP
    $params['scene_info'] = '{"h5_info": {"type":"Wap","wap_url": "https://api.lanhaitools.com/wap","wap_name": "估价啦"}}';
    $result = $wechatAppPay->unifiedOrder( $params );
    $url = $result['mweb_url'].'&redirect_url=https%3A%2F%2Fwww.gujia.la
    ';//redirect_url 是支付完成后返回的页面
    return $url;
    }
    }
    php?>

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