<?php header(&#39;Content-type:text/html; Charset=utf-8&#39;);ini_set(&#39;date.timezone&#39;,&#39;Asia/Shanghai&#39;);$data_s = file_get_contents(&#39;php://input&#39;);$data_s = json_decode($data_s,true);//统一下单function wechartAddOrder($name,$ordernumber,$money,$openid,$timeStamp,$noncestr){    $url = "https://api.mch.weixin.qq.com/v3/pay/transactions/jsapi";    $urlarr = parse_url($url);    $appid = &#39;小程序APPID&#39;;//appID    $mchid = &#39;微信支付商户ID&#39;;//商户ID    $xlid = &#39;微信支付公钥序列号&#39;;//秘钥序列号 可在这个网址中查询 https://myssl.com/cert_decode.html    $data = array();    $time = $timeStamp;    $data[&#39;appid&#39;] = $appid;    $data[&#39;mchid&#39;] = $mchid;    $data[&#39;description&#39;] = $name;//商品描述    $data[&#39;out_trade_no&#39;] = $ordernumber;//订单编号    $data[&#39;notify_url&#39;] = "你的域名/你的支付目录路径/notify.php";//回调接口 需根据自己的情况修改    $data[&#39;amount&#39;][&#39;total&#39;] = intval($money * 1);//金额 单位 分    $data[&#39;payer&#39;][&#39;openid&#39;] = $openid;//用户openID    $data = json_encode($data);     $key = getSign($data,$urlarr[&#39;path&#39;],$noncestr,$time);//签名    $token = sprintf(&#39;mchid="%s",serial_no="%s",nonce_str="%s",timestamp="%d",signature="%s"&#39;,$mchid,$xlid,$noncestr,$time,$key);//头部信息    $header  = array(        &#39;Content-Type:&#39;.&#39;application/json; charset=UTF-8&#39;,        &#39;Accept:application/json&#39;,        &#39;User-Agent:*/*&#39;,        &#39;Authorization: WECHATPAY2-SHA256-RSA2048 &#39;.$token    );      $ret = curl_post_https($url,$data,$header);    $ret = ltrim($ret,&#39;{"prepay_id":"&#39;);    $ret = rtrim($ret,&#39;}"&#39;);    //微信支付（小程序）签名    $str = getWechartSign($appid,$timeStamp,$noncestr,&#39;prepay_id=&#39;.$ret);    $arr = array(&#39;appid&#39;=>$appid,'timestamp'=&gt;$timeStamp,'package'=&gt;'prepay_id='.$ret,'paySign'=&gt;$str);    exit(json_encode($arr));}$set_body = '支付测试';//支付显示内容$price = '1';//支付金额$out_trade_no = $data_s['out_trade_no'];//订单号$timeStamp = $data_s['timeStamp'];//时间戳$openid = $data_s['openid'];$noncestr = $data_s['nonceStr'];wechartAddOrder($set_body,$out_trade_no,$price,$openid,$timeStamp,$noncestr);//微信支付签名function getSign($data=array(),$url,$randstr,$time){    $str = "POST"."".$url."".$time."".$randstr."".$data."";    $key = file_get_contents('apiclient_key.pem');//在商户平台下载的秘钥    $str = getSha256WithRSA($str,$key);    return $str;}//调起支付的签名function getWechartSign($appid,$timeStamp,$noncestr,$prepay_id){    $str = $appid."".$timeStamp."".$noncestr."".$prepay_id."";    $key = file_get_contents('apiclient_key.pem');    $str = getSha256WithRSA($str,$key);    return $str;}function getSha256WithRSA($content, $privateKey){    $binary_signature = "";    $algo = "SHA256";    openssl_sign($content, $binary_signature, $privateKey, $algo);    $sign = base64_encode($binary_signature);    return $sign;}/* PHP CURL HTTPS POST */function curl_post_https($url,$data,$header){ // 模拟提交数据函数    $curl = curl_init(); // 启动一个CURL会话    curl_setopt($curl, CURLOPT_URL, $url); // 要访问的地址    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0); // 对认证证书来源的检查    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 1); // 从证书中检查SSL加密算法是否存在    curl_setopt($curl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']); // 模拟用户使用的浏览器    curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); // 使用自动跳转    curl_setopt($curl, CURLOPT_AUTOREFERER, 1); // 自动设置Referer    curl_setopt($curl, CURLOPT_POST, 1); // 发送一个常规的Post请求    curl_setopt($curl, CURLOPT_POSTFIELDS, $data); // Post提交的数据包    curl_setopt($curl, CURLOPT_TIMEOUT, 30); // 设置超时限制防止死循环    curl_setopt($curl, CURLOPT_HEADER, 0); // 显示返回的Header区域内容    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); // 获取的信息以文件流的形式返回    curl_setopt($curl, CURLOPT_HTTPHEADER, $header);    $tmpInfo = curl_exec($curl); // 执行操作    if (curl_errno($curl)) {        echo 'Errno'.curl_error($curl);//捕抓异常    }    curl_close($curl); // 关闭CURL会话    return $tmpInfo; // 返回数据，json格式}

header('Content-type:text/html; Charset=utf-8');ini_set('date.timezone','Asia/Shanghai');$data_s = file_get_contents('php://input');$data_s = json_decode($data_s,true);if(empty($data_s['out_trade_no'])){    exit;}$out_trade_no = $data_s['out_trade_no'];//订单号$merchant_id = '商户ID';//商户ID$mch_private_key = file_get_contents('apiclient_key.pem');//在商户平台下载的秘钥$xlid = '微信支付公钥序列号';//秘钥序列号 可在这个网址中查询 https://myssl.com/cert_decode.html$url = 'https://api.mch.weixin.qq.com/v3/pay/transactions/out-trade-no/'.$out_trade_no.'?mchid='.$merchant_id;$url_parts = parse_url($url);$http_method = 'GET';$timestamp = time();$nonce = md5(time().$out_trade_no);$body = '';$canonical_url = ($url_parts['path'] . (!empty($url_parts['query']) ? "?${url_parts['query']}" : ""));$message =  $http_method."".            $canonical_url."".            $timestamp."".            $nonce."".            $body."";openssl_sign($message, $raw_sign, $mch_private_key, 'sha256WithRSAEncryption');$sign = base64_encode($raw_sign);$schema = 'WECHATPAY2-SHA256-RSA2048';$token = sprintf('mchid="%s",nonce_str="%s",timestamp="%d",serial_no="%s",signature="%s"',$merchant_id, $nonce, $timestamp, $xlid, $sign);$header  = array(    'Content-Type:'.'application/json; charset=UTF-8',    'Accept:application/json',    'User-Agent:*/*',    'Authorization: WECHATPAY2-SHA256-RSA2048 '.$token);  $ret = curl_get_https($url,$data,$header);$return_out_trade_no = get_between($ret,'"out_trade_no":"','","payer"');$return_trade_state = get_between($ret,'trade_state":"','","trade_state_desc"');$arr = array('type'=>'success','trade_state'=>$return_trade_state,'out_trade_no'=>$return_out_trade_no);exit(json_encode($arr));/* * php截取指定两个字符之间字符串 * */function get_between($input, $start, $end) { $substr = substr($input, strlen($start)+strpos($input, $start),(strlen($input) - strpos($input, $end))*(-1)); return $substr;}/* PHP CURL HTTPS GET */function curl_get_https($url,$data,$header){ // 模拟提交数据函数    $curl = curl_init(); // 启动一个CURL会话    curl_setopt($curl, CURLOPT_URL, $url); // 要访问的地址    curl_setopt($curl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']); // 模拟用户使用的浏览器    curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); // 使用自动跳转    curl_setopt($curl, CURLOPT_AUTOREFERER, 1); // 自动设置Referer    curl_setopt($curl, CURLOPT_TIMEOUT, 30); // 设置超时限制防止死循环    curl_setopt($curl, CURLOPT_HEADER, 0); // 显示返回的Header区域内容    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); // 获取的信息以文件流的形式返回    curl_setopt($curl, CURLOPT_HTTPHEADER, $header);// 头部信息    $tmpInfo = curl_exec($curl); // 执行操作    if (curl_errno($curl)) {        echo 'Errno'.curl_error($curl);//捕抓异常    }    curl_close($curl); // 关闭CURL会话    return $tmpInfo; // 返回数据，json格式}