1、下载微信支付SDK包
2、引用,并按下面的代码进行配置
require_once("wxlib/WxPay.Api.php");
require_once("wxlib/WxPay.NativePay.php");
require_once("wxlib/WxPay.JsApiPay.php");
header('Content-type:text/html; Charset=utf-8');
/*** 请填写以下配置信息 ***/
if($_POST){
$amount = $_POST['amount'];
$if_wap = $_POST['wap'];
$outTradeNo = date("ymdhis").rand(10000, 999999);
$time = date("Y-m-d H:i:s");
$order['order_amount'] = $amount;
$order['order_sn'] = $outTradeNo;
mysql_query("INSERT INTO wxpay(PayID,PayPrice,PayName,PayResult,time,PayType) VALUES ({$outTradeNo},'{$amount}','{$ir['username']}','0','{$time}',1)")or die("INSERT INTO alipay(PayID,PayPrice,PayName,PayResult,time,PayType) VALUES ({$outTradeNo},'{$amount}','{$ir['username']}','0','{$time}',1)");
WxPayConfig::$appid = ""; // * APPID:绑定支付的APPID(必须配置,开户邮件中可查看)
WxPayConfig::$mchid = ""; // * MCHID:商户号(必须配置,开户邮件中可查看)
WxPayConfig::$key = ""; // KEY:商户支付密钥,参考开户邮件设置(必须配置,登录商户平台自行设置)
WxPayConfig::$appsecret = ""; // 公众帐号secert(仅JSAPI支付的时候需要配置)
if($if_wap){
//启用h5支付
if(strstr($_SERVER['HTTP_USER_AGENT'],'MicroMessenger')){
$code_str = getJSAPI($order);
exit($code_str);
}else{
payh5($order);
}
}else{
//使用native支付
$ret = get_code($order);
echo $ret;
}
}
function get_code($order){
$notify = 'http://'.$_SERVER['HTTP_HOST'].'/native_notify.php';
$input = new WxPayUnifiedOrder();
$input->SetBody("会员充值"); // 商品描述
$input->SetAttach("weixin"); // 附加数据,在查询API和支付通知中原样返回,该字段主要用于商户携带订单的自定义数据
$input->SetOut_trade_no($order['order_sn']); // 商户系统内部的订单号,32个字符内、可包含字母, 其他说明见商户订单号
$input->SetTotal_fee($order['order_amount']*100); // 订单总金额,单位为分,详见支付金额
$input->SetNotify_url($notify); // 接收微信支付异步通知回调地址,通知url必须为直接可访问的url,不能携带参数。
$input->SetTrade_type("NATIVE"); // 交易类型 取值如下:JSAPI,NATIVE,APP,详细说明见参数规定 NATIVE--原生扫码支付
$input->SetProduct_id("123456789"); // 商品ID trade_type=NATIVE,此参数必传。此id为二维码中包含的商品ID,商户自行定义。
$notify = new NativePay();
$result = $notify->GetPayUrl($input); // 获取生成二维码的地址
$url2 = $result["code_url"];
return $url2;
}
function getJSAPI($order){
$go_url = 'http://'.$_SERVER['HTTP_HOST'].'/cashto.php';
$back_url = 'http://'.$_SERVER['HTTP_HOST'].'/cashto.php';
WxPayConfig::$appid = '';
WxPayConfig::$mchid = ""; // * MCHID:商户号(必须配置,开户邮件中可查看)
WxPayConfig::$key = ""; // KEY:商户支付密钥,参考开户邮件设置(必须配置,登录商户平台自行设置)
WxPayConfig::$appsecret = ""; // 公众帐号secert(仅JSAPI支付的时候需要配置)
//①、获取用户openid
$tools = new JsApiPay();
$openId = $_SESSION['openid'];
//②、统一下单
$input = new WxPayUnifiedOrder();
$input->SetBody("会员充值:".$order['order_sn']);
$input->SetAttach("weixin");
$input->SetOut_trade_no($order['order_sn']);
$input->SetTotal_fee($order['order_amount']*100);
$input->SetTime_start(date("YmdHis"));
$input->SetTime_expire(date("YmdHis", time() + 600));
$input->SetGoods_tag("tp_wx_pay");
$input->SetNotify_url('http://'.$_SERVER['HTTP_HOST'].'/native_notify.php');
$input->SetTrade_type("JSAPI");
$input->SetOpenid($openId);
//var_dump($input);die;
$order2 = WxPayApi::unifiedOrder($input);
//echo '<font color="#f00"><b>统一下单支付单信息</b></font><br/>';
//var_dump($order2);exit;
$jsApiParameters = $tools->GetJsApiParameters($order2);
$html = <<<EOF
<script type="text/javascript">
//调用微信JS api 支付
function jsApiCall()
{
WeixinJSBridge.invoke(
'getBrandWCPayRequest',$jsApiParameters,
function(res){
//WeixinJSBridge.log(res.err_msg);
if(res.err_msg == "get_brand_wcpay_request:ok") {
location.href='$go_url';
}else{
alert(res.err_code+res.err_desc+res.err_msg);
location.href='$back_url';
}
}
);
}
function callpay()
{
if (typeof WeixinJSBridge == "undefined"){
if( document.addEventListener ){
document.addEventListener('WeixinJSBridgeReady', jsApiCall, false);
}else if (document.attachEvent){
document.attachEvent('WeixinJSBridgeReady', jsApiCall);
document.attachEvent('onWeixinJSBridgeReady', jsApiCall);
}
}else{
jsApiCall();
}
}
callpay();
</script>
EOF;
return $html;
}
function payh5($order){
$ip = get_client_ip();
$url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
$notify = 'http://'.$_SERVER['HTTP_HOST'].'/native_notify.php';
$nonce_str = createNoncestr();
$appid = '';
$key = '';
$body = "会员充值";
$mch_id = '';
$notify_url = $notify;
$spbill_create_ip = $ip;
$total_fee = $order['order_amount']*100;
$trade_type = 'MWEB';
$out_trade_no = $order['order_sn'];
$scene_info = '{"h5_info": {"type":"Android","app_name": "CCGG","package_name": "com.ccgg2019"}}';
$signA = "appid=$appid&body=$body&mch_id=$mch_id&nonce_str=$nonce_str¬ify_url=$notify_url&out_trade_no=$out_trade_no&scene_info=$scene_info&spbill_create_ip=$spbill_create_ip&total_fee=$total_fee&trade_type=$trade_type";
$strSignTmp = $signA."&key=".$key;
$sign = strtoupper(MD5($strSignTmp));
$data['sign'] = $sign;
$post_data = "<xml>
<appid>$appid</appid>
<body>$body</body>
<mch_id>$mch_id</mch_id>
<nonce_str>$nonce_str</nonce_str>
<notify_url>$notify_url</notify_url>
<out_trade_no>$out_trade_no</out_trade_no>
<spbill_create_ip>$spbill_create_ip</spbill_create_ip>
<total_fee>$total_fee</total_fee>
<trade_type>$trade_type</trade_type>
<scene_info>$scene_info</scene_info>
<sign>$sign</sign>
</xml>";
$dataxml = http_post($url, $post_data);
$objectxml = XmlToArr($dataxml);
if( $objectxml['return_code'] == 'SUCCESS' && $objectxml['result_code'] == 'SUCCESS' ){
$url = $objectxml['mweb_url'];
exit("<script>location.href='".$url."'</script>");
}
}
function createNoncestr(){
$num = rand(10,20);
$times = rand(1,9);
$str = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
for ($i=0; $i < $times ; $i++) {
for ($j=0; $j < $num; $j++) {
$b = rand(0,61);
$code .= $str[$b];
}
}
return md5($code);
}
function get_client_ip($type = 0) {
$type = $type ? 1 : 0;
static $ip = NULL;
if ($ip !== NULL) return $ip[$type];
if($_SERVER['HTTP_X_REAL_IP']){//nginx 代理模式下,获取客户端真实IP
$ip=$_SERVER['HTTP_X_REAL_IP'];
}elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {//客户端的ip
$ip = $_SERVER['HTTP_CLIENT_IP'];
}elseif (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {//浏览当前页面的用户计算机的网关
$arr = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
$pos = array_search('unknown',$arr);
if(false !== $pos) unset($arr[$pos]);
$ip = trim($arr[0]);
}elseif (isset($_SERVER['REMOTE_ADDR'])) {
$ip = $_SERVER['REMOTE_ADDR'];//浏览当前页面的用户计算机的ip地址
}else{
$ip=$_SERVER['REMOTE_ADDR'];
}
// IP地址合法验证
$long = sprintf("%u",ip2long($ip));
$ip = $long ? array($ip, $long) : array('0.0.0.0', 0);
return $ip[$type];
}
function XmlToArr($xml)
{
if($xml == '') return '';
libxml_disable_entity_loader(true);
$arr = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
return $arr;
}
function http_post($url='',$post_data=array(),$header=array(),$timeout=30) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 跳过证书检查
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); // 从证书中检查SSL加密算法是否存在
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
$response = curl_exec($ch);
curl_close($ch);
return $response;
}
3、注意里面的逻辑部分代码,按自己的编码框架进行修改