微信H5支付（非公众号支付，管理员亲测可用） - php

<?php

//生成随机字符串

function getNonceNum($numLen=16){

$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";

$str = "";

for ($i = 0; $i < $numLen; $i++) {

$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);

}

return $str;

}

//获取用户ip地址

function get_client_ip(){

$cip = "unknown";

if($_SERVER['REMOTE_ADDR']){

$cip = $_SERVER['REMOTE_ADDR'];

}elseif(getenv("REMOTE_ADDR")){

$cip = getenv("REMOTE_ADDR");

}

return $cip;

}

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);

if(stripos($url,"https://")!==FALSE){

curl_setopt($ch, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);

curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);

curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);

}else{

curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,TRUE);

curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,2);//严格校验

}

//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, "###.pem");

curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');

curl_setopt($ch,CURLOPT_SSLKEY, "###.pem");

curl_setopt($ch, CURLOPT_CAINFO, "###.pem");

}

//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 "error";

}

$out_trade_no = date("Ymd").getNonceNum(); //订单号

$appid = ''; //APPID

$mch_id = ''; //商户号

$key = ''; //商户支付密钥

$total_fee = 1; //支付金额

$notify_url = 'http://wxpay.wxutil.com/pub_v2/pay/notify.v2.php'; //异步回调地址

$getNonceNumstring = getNonceNum();

$body = 'H5支付测试';

$ip = get_client_ip();

$trade_type = 'MWEB';

$param['appid'] = $appid;

$param['mch_id'] = $mch_id;

$param['nonce_str'] = $getNonceNumstring;

$param['body'] = $body;

$param['out_trade_no'] = $out_trade_no;

$param['total_fee'] = $total_fee;

$param['spbill_create_ip'] = $ip;

$param['notify_url'] = $notify_url;

$param['trade_type'] = $trade_type;

$param['scene_info'] = '{"h5_info": "h5_info" {"type": "IOS","app_name": "H5支付测试","bundle_id": ""}}';

//字典排序

ksort($param);

$sign_raw = "";

foreach($param as $k => $v){

$sign_raw .= $k."=".$v."&";

}

$sign_raw .= "key=".$key;

//生成签名

$sign = strtoupper(md5($sign_raw));

$xml = <<<EOF

<xml>

<appid>$appid</appid>

<mch_id>$mch_id</mch_id>

<nonce_str>$getNonceNumstring</nonce_str>

<notify_url>$notify_url</notify_url>

<out_trade_no>$out_trade_no</out_trade_no>

<spbill_create_ip>$ip</spbill_create_ip>

<total_fee>$total_fee</total_fee>

<trade_type>$trade_type</trade_type>

<scene_info>{"h5_info": "h5_info" {"type": "IOS","app_name": "H5支付测试","bundle_id": ""}}</scene_info>

</xml>

EOF;

//调用接口，返回xml数据包含跳转url

$url = "https://api.mch.weixin.qq.com/pay/unifiedorder";

$result = postXmlCurl($xml, $url);

//解析xml

$xml = simplexml_load_string($result);

$bigarr = array();

//循环生成数组

foreach($xml->children() as $child){

$key = $child->getName();

$bigarr["$key"] = "$child";//必须加引号

}

$tiaozhuanurl = $bigarr['mweb_url']."&redirect_url=####";

转载请注明出处。