微信h5支付（php版） 2019

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微信h5支付（php版） 2019

1.  登录商户平台-->产品中心-->我的产品-->支付产品-->H5支付（申请开通），

    平台地址：.php/core/home/login?return_url=%2Findex.php，

2. 直接上代码，一个php即可搞定，本代码适用于tp5开发，其他框架或语言需要自行修改

3. 修改自己的参数，更多问题请加群：372319250

<?php
namespace app\index\controller;use curl\Curl;
use think\Controller;
use think\Request;class Wxpay extends Controller
{/** 1.登录微信支付商户平台，申请h5支付，.php/core/home/login?return_url=%2F* 2.获取商户号，商户key，商户key在api设置里面，设置api密钥* 3.appid需要授权关联小程序或服务器类得appid* */public $appid ;//APPIDpublic $mch_id;//商户号public $key;//商户keypublic $notify_url; //回调urlpublic function _initialize(){$this->appid = 'wx********';$this->mch_id = '*******';$this->key = '*************';$this->notify_url = 'https://*******/wxpay/index';}//支付成功通知地址public function index(){$xml = file_get_contents('php://input');//监听是否有数据传入if(!empty($xml)){//微信返回信息$data = $this->xml_to_data($xml);if($data['return_code'] == 'SUCCESS'){var_dump($data);}}}/*** 下单方法* @param   $params 下单参数*/public function unifiedOrder(){$params['body'] = '小林开发会员（试用）'; //商品描述$params['out_trade_no'] = date('YmndHis',time()).rand(1111,9999); //订单号$params['total_fee'] = 1; //金额是以分为单位，除测试外，需乘以100$params['trade_type'] = 'MWEB';    //交易类型，h5支付，默认如此$params['scene_info'] = '{"h5_info": {"type":"Wap","wap_url": "","wap_name": "上海正拼"}}';   //场景信息,h5固定$params['spbill_create_ip'] = $this->getIp();   //终端IP$params['appid'] = $this->appid;$params['mch_id'] = $this->mch_id;$params['nonce_str'] = $this->genRandomString();    //随机字符串$params['notify_url'] = $this->notify_url;  //通知地址//获取签名数据$params['sign'] = $this->MakeSign( $params );   //签名$xml = $this->data_to_xml($params);$uri = '';    //请求地址$response = $this->postXmlCurl($uri,$xml);   //自定义封装的xml请求格式，文章最下面为参考postxmlif( !$response ){return false;}$result = $this->xml_to_data( $response );if( !empty($result['result_code']) && !empty($result['err_code']) ){$result['err_msg'] = $this->error_code( $result['err_code'] );}if($result['result_code'] == 'SUCCESS' && $result['return_msg'] == 'OK'){//发起微信支付url$pay_url = $result['mweb_url'].'&redirect_url='.urlencode($this->notify_url);//数据库操作$model = new Data();$model->addTrade();//返回发起支付url，微信外浏览器访问return $pay_url;}//return $result;}/*** 查询订单信息* @param $out_trade_no     订单号* @return array*/public function orderQuery( $out_trade_no ){$params['appid'] = $this->appid;$params['mch_id'] = $this->mch_id;$params['nonce_str'] = $this->genRandomString();$params['out_trade_no'] = $out_trade_no;//获取签名数据$params['sign'] =  $this->MakeSign($params);$xml = $this->data_to_xml($params);$uri = '';$response = Curl::postXmlCurl($uri,$xml);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( $out_trade_no ){$params['appid'] = $this->appid;$params['mch_id'] = $this->mch_id;$params['nonce_str'] = $this->genRandomString();$params['out_trade_no'] = $out_trade_no;//获取签名数据$params['sign'] = $this->MakeSign( $params );$xml = $this->data_to_xml($params);$response = Curl::postXmlCurl($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 = file_get_contents('php://input');//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 $data;}/*** 获取毫秒级别的时间戳*/public static function getMillisecond(){//获取毫秒的时间戳$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 $len 产生字符串的长度* @return string 随机字符串*/public function genRandomString($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;}/*** 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];}}//xml请求public function postXmlCurl($url,$xml,$second = 30){$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($ch,CURLOPT_SSL_VERIFYHOST,FALSE);//设置 headercurl_setopt($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($ch);curl_close($ch);echo "curl 出错，错误码:$error"."<br>";}}//获取用户真实ip，此处为tp5所用，其他自行修改public function getIp(){$request = Request::instance();$ip  = $request->ip();return $ip;}}

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本文标签： 微信h5支付（php版） 2019