//微信JSAPI支付
前端页面wx.html
<html> <head> <meta http-equiv="content-type" content="text/html;charset=utf-8"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>微信支付样例-支付</title> <script src="https://static.oschina.net/new-osc/js/utils/jquery.min.js"></script> <script type="text/javascript"> function onBridgeReady(){ var order_id = 7; $.ajax({ 'type':'get', 'url':'http://wx.owenzhang.com/Pay', 'data':{ //默认自动添加callback参数 'order_id':order_id, 'token':'27_G7oqz8ofmbn6q7aSsmpkGeVbQ' //不安全，请定期刷新token，建议进行文件压缩 }, 'dataType':'json', 'success':function(json){ var json = json.data; //微信JSAPI支付 WeixinJSBridge.invoke( 'getBrandWCPayRequest', { "appId":json.appId, //公众号id，由商户传入 "timeStamp":json.timeStamp, //时间戳，自1970年以来的秒数 "nonceStr":json.nonceStr, //随机串 "package":json.package,//订单详情扩展字符串 "signType":json.signType, //微信签名方式： "paySign":json.paySign //微信签名 }, function(res){ if(res.err_msg == "get_brand_wcpay_request:ok" ){ // 使用以上方式判断前端返回,微信团队郑重提示： //res.err_msg将在用户支付成功后返回ok，但并不保证它绝对可靠。 window.location.href = 'http://owenwx.ygkj8.cn/app/index.php?i=1&c=entry&a=wxapp&m=hotel_jm&do=paysucceed&order_id='+order_id; } }); }, 'error': function(XMLHttpRequest, textStatus, errorThrown) { alert("请求失败：" + XMLHttpRequest.status); } }); } </script> </head> <body> <br/> <font color="#9ACD32"><b>该笔订单支付金额为<span style="color:#f00;font-size:50px">1分</span>钱</b></font><br/><br/> <div align="center"> <button style="width:210px; height:50px; border-radius: 15px;background-color:#FE6714; border:0px #FE6714 solid; cursor: pointer; color:white; font-size:16px;" type="button" onclick="onBridgeReady()" >立即支付</button> </div> </body> </html>
接口方法
/** * 微信支付 * @access public * @param null * @return array 返回类型 * { "errno": 0, "message": "", "data": { "appId": "wx412359e77e1b1", "timeStamp": "1572319025", "nonceStr": "zg237y9123wlx83opu3muusu03wpt", "package": "prepay_id=wx29123ec43a85f1123462900", "signType": "MD5", "paySign": "78C5D9E6123D1F7F948A152D4" } } */ public function doPagePay() { $good_name = '商品名称'; $appid = $res["appid"];//公众号appid $openid = $this->openid;//用户微信openid $mch_id = $res["mchid"];//公众号支付商户号 $key = $res["wxkey"];//公众号支付Api密钥 $out_trade_no = $mch_id . time();//支付商户订单号 $total_fee = $_GPC["money"]; $total_fee = 0.01; $openid = 'onn6Bwf62aiyafBKQsPc072FIHrw'; if (empty($total_fee)||!$good_name||!$total_fee) { return $this->result(10008, '参数错误', ''); } else { $total_fee = floatval($total_fee * 100); } $weixinpay = new WeixinPay($appid, $openid, $mch_id, $key, $out_trade_no, $good_name, $total_fee); $return = $weixinpay->pay(); return $this->result(0, '', $return); } /** * 支付成功回调,微信查询订单 * * @access public * @param null * @return array 返回类型 */ public function doPagePaysucceed(){ $appid = $res["appid"];//公众号appid $openid = $this->openid;//用户微信openid $mch_id = $res["mchid"];//公众号支付商户号 $key = $res["wxkey"];//公众号支付Api密钥 $weixinpay = new WeixinPay($appid, $openid, $mch_id, $key, $out_trade_no, '', ''); $orderquery = $weixinpay->wxOrderQuery(); if ($orderquery['return_code']=='SUCCESS'){ return $this->result(0, '支付成功', ''); }else{ return $this->result(0, '该订单支付失败', ''); } }
父类wxpay.php
/** * 微信支付 * 微信支付：JSAPI支付，订单查询， * @author owenzhang * @version 1.0 */ <?php class WeixinPay { protected $appid; protected $mch_id; protected $key; protected $openid; protected $out_trade_no; protected $body; protected $total_fee; function __construct($appid, $openid, $mch_id, $key, $out_trade_no, $body, $total_fee) { $this->appid = $appid; $this->openid = $openid; $this->mch_id = $mch_id; $this->key = $key; $this->out_trade_no = $out_trade_no; $this->body = $body; $this->total_fee = $total_fee; } //微信JSAPI支付 public function pay() { $return = $this->weixinapp(); return $return; } //微信支付查询订单 public function wxOrderQuery() { $return = $this->orderquery(); return $return; } private function unifiedorder() { $url = "https://api.mch.weixin.qq.com/pay/unifiedorder"; $parameters = array("appid" => $this->appid, "mch_id" => $this->mch_id, "nonce_str" => $this->createNoncestr(), "body" => $this->body, "out_trade_no" => $this->out_trade_no, "total_fee" => $this->total_fee, "spbill_create_ip" => "192.168.0.161", "notify_url" => "http://www.weixin.qq.com/wxpay/pay.php", "openid" => $this->openid, "trade_type" => "JSAPI"); $parameters["sign"] = $this->getSign($parameters); $xmlData = $this->arrayToXml($parameters); $return = $this->xmlToArray($this->postXmlCurl($xmlData, $url, 60)); return $return; } private function orderquery() { $url = "https://api.mch.weixin.qq.com/pay/orderquery"; $parameters = array("appid" => $this->appid, "mch_id" => $this->mch_id, "out_trade_no" => $this->out_trade_no, "nonce_str" => $this->createNoncestr(), "sign_type" => "MD5"); $parameters["sign"] = $this->getSign($parameters); $xmlData = $this->arrayToXml($parameters); $return = $this->xmlToArray($this->postXmlCurl($xmlData, $url, 60)); return $return; } private static function postXmlCurl($xml, $url, $second = 30) { $ch = curl_init(); curl_setopt($ch, CURLOPT_TIMEOUT, $second); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE); curl_setopt($ch, CURLOPT_HEADER, FALSE); curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); curl_setopt($ch, CURLOPT_POST, TRUE); curl_setopt($ch, CURLOPT_POSTFIELDS, $xml); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 20); curl_setopt($ch, CURLOPT_TIMEOUT, 40); set_time_limit(0); $data = curl_exec($ch); if ($data) { curl_close($ch); return $data; } else { $error = curl_errno($ch); curl_close($ch); throw new WxPayException("curl出错，错误码:{$error}"); } } private function arrayToXml($arr) { $xml = "<root>"; foreach ($arr as $key => $val) { if (is_array($val)) { $xml .= "<" . $key . ">" . arrayToXml($val) . "</" . $key . ">"; } else { $xml .= "<" . $key . ">" . $val . "</" . $key . ">"; } } $xml .= "</root>"; return $xml; } private function xmlToArray($xml) { libxml_disable_entity_loader(true); $xmlstring = simplexml_load_string($xml, "SimpleXMLElement", LIBXML_NOCDATA); $val = json_decode(json_encode($xmlstring), true); return $val; } private function weixinapp() { $unifiedorder = $this->unifiedorder(); $parameters = array("appId" => $this->appid, "timeStamp" => '' . time() . '', "nonceStr" => $this->createNoncestr(), "package" => "prepay_id=" . $unifiedorder["prepay_id"], "signType" => "MD5"); $parameters["paySign"] = $this->getSign($parameters); return $parameters; } private function createNoncestr($length = 32) { $chars = "abcdefghijklmnopqrstuvwxyz0123456789"; $str = ''; $i = 0; while ($i < $length) { $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1); $i++; } return $str; } private function getSign($Obj) { foreach ($Obj as $k => $v) { $Parameters[$k] = $v; } ksort($Parameters); $String = $this->formatBizQueryParaMap($Parameters, false); $String = $String . "&key=" . $this->key; $String = md5($String); $result_ = strtoupper($String); return $result_; } private function formatBizQueryParaMap($paraMap, $urlencode) { $buff = ''; ksort($paraMap); foreach ($paraMap as $k => $v) { if ($urlencode) { $v = urlencode($v); } $buff .= $k . "=" . $v . "&"; } $reqPar = ''; if (strlen($buff) > 0) { $reqPar = substr($buff, 0, strlen($buff) - 1); } return $reqPar; } }
