1.开通微信公众号
服务号 交三百块
2. 微信公众号登陆 开通微信支付
3.开通成功后 会有一个商户号 商户登录 ~产品 中心~扫码回调地址 这个是支付成功后 微信返回给你的消息 直接接收即可
一共可以拿到 appid 商户id 商户api秘钥 就可以愉快的去玩耍了
只需要更改 订单的id 因为是测试 这里是写死 支付一次之后 不修改的话 就会报错 如果您对微信接口 不熟悉 这个时候就完全蒙了~
前端 index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>微信扫码支付（带回调）DEMO</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=0" />
<script type="text/javascript" src="//cdn.bootcss.com/jquery/1.11.3/jquery.min.js"></script>
<script src="//cdn.bootcss.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="//cdn.bootcss.com/bootstrap/3.3.5/css/bootstrap.min.css">
<style>
.container{width: 100%; max-width: 600px;}
.mtm{margin-top: 10px;}
#QRcode .pay-top{padding: 15px 0px;background: #FAFAFA;border: 2px #009900 dashed;margin: 20px 0px;font-family: 微软雅黑;}
</style>
</head>
<body>
<div id="QRcode" class="container mtm">
<div class="text-center pay-top"><p class="text-danger">使用微信“扫一扫”下方二维码，完成付款</p></div>
<div class="panel panel-default">
<div class="panel-heading clearfix">
<p>可以看控制台 还有 测试时候 订单号因为是写死的 要记得付款后 改下订单号</p>
<span id='orderid' class="pull-left">35454</span>
</div>
<div class="panel-body text-center"><img id = 'imageId' src="" style="" /></div>
<div class="panel-footer text-success text-center">请使用微信扫描 二维码以完成支付</div>
</div>
</div>
<!--加载页面执行ajax-->
<script>
function reloadView(){
var orderid = $('#orderid').html();
console.log(orderid);
var data = {
'orderid':orderid,
};
var ajaxurl = 'pay.php'
$.ajax({
url: ajaxurl,
data: data,
type: "post",
dataType: "json",
success: function(ress) {
console.log(ress);
if (ress.code == 0) {
window.location.href = 'http://zh.zhangying.xin/success.html';
}
document.getElementById("imageId").src = ress;
},
error: function() {
console.log('error');
}
});
}
window.onload = reloadView();
setInterval('reloadView()',5000);
</script>
</body>
</html>
后台 pay.php
<?php
/**
*author tina [email protected]
*time 2018.7.6
*扫码支付 查询订单状态 进行跳转
*订单号不要重复 有时候测试蒙圈了 订单号一直在重复
*/
$mchid = ''; //微信支付商户号 PartnerID 通过微信支付商户资料审核后邮件发送
$appid = ''; //公众号APPID 通过微信支付商户资料审核后邮件发送
$apiKey = ''; //https://pay.weixin.qq.com 帐户设置-安全设置-API安全-API密钥-设置API密钥
$wxPay = new WxpayService($mchid,$appid,$apiKey);
$outTradeNo = $_POST['orderid']; //你自己的商品订单号
$payAmount = 0.01; //付款金额，单位:元
$orderName = '升级vip会员'; //订单标题
$notifyUrl = 'http://zh.zhangying.xin/notify.php'; //付款成功后的异步回调地址(不要有问号)这个是必须要登陆配置的
$payTime = time(); //付款时间
$result = $wxPay->orderquery($outTradeNo);
//首先查询订单有没有支付 支付成功返回支付成功信息 否则继续生成支付二维码
if($result['code'] == 0){
echo json_encode($result);die;
}
$arr = $wxPay->createJsBizPackage($payAmount,$outTradeNo,$orderName,$notifyUrl,$payTime);
//生成二维码
$url = 'https://www.kuaizhan.com/common/encode-png?large=true&data='.$arr['code_url'];
echo json_encode($url);
class WxpayService
{
protected $mchid;
protected $appid;
protected $apiKey;
protected $returnUrl;
public function __construct($mchid, $appid, $key)
{
$this->mchid = $mchid;
$this->appid = $appid;
$this->apiKey = $key;
}
public function setReturnUrl($returnUrl)
{
$this->returnUrl = $returnUrl;
}
/**
* 发起订单
* @param float $totalFee 收款总费用 单位元
* @param string $outTradeNo 唯一的订单号
* @param string $orderName 订单名称
* @param string $notifyUrl 支付结果通知url 不要有问号
* @param string $timestamp 订单发起时间
* @return array
*/
public function createJsBizPackage($totalFee, $outTradeNo, $orderName, $notifyUrl, $timestamp)
{
$config = array(
'mch_id' => $this->mchid,
'appid' => $this->appid,
'key' => $this->apiKey,
);
//$orderName = iconv('GBK','UTF-8',$orderName);
$unified = array(
'appid' => $config['appid'],
'attach' => 'pay', //商家数据包，原样返回，如果填写中文，请注意转换为utf-8
'body' => $orderName,
'mch_id' => $config['mch_id'],
'nonce_str' => self::createNonceStr(),
'notify_url' => $notifyUrl,
'out_trade_no' => $outTradeNo,
'spbill_create_ip' => '127.0.0.1',
'total_fee' => intval($totalFee * 100), //单位 转为分
'trade_type' => 'NATIVE',
);
$unified['sign'] = self::getSign($unified, $config['key']);
$responseXml = self::curlPost('https://api.mch.weixin.qq.com/pay/unifiedorder', self::arrayToXml($unified));
$unifiedOrder = simplexml_load_string($responseXml, 'SimpleXMLElement', LIBXML_NOCDATA);
if ($unifiedOrder === false) {
die('parse xml error');
}
if ($unifiedOrder->return_code != 'SUCCESS') {
die($unifiedOrder->return_msg);
}
if ($unifiedOrder->result_code != 'SUCCESS') {
die($unifiedOrder->err_code);
}
$codeUrl = (array)($unifiedOrder->code_url);
if(!$codeUrl[0]) exit('get code_url error');
$arr = array(
"appId" => $config['appid'],
"timeStamp" => $timestamp,
"nonceStr" => self::createNonceStr(),
"package" => "prepay_id=" . $unifiedOrder->prepay_id,
"signType" => 'MD5',
"code_url" => $codeUrl[0],
);
$arr['paySign'] = self::getSign($arr, $config['key']);
return $arr;
}
public function notify()
{
$config = array(
'mch_id' => $this->mchid,
'appid' => $this->appid,
'key' => $this->apiKey,
);
$postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
if ($postObj === false) {
die('parse xml error');
}
if ($postObj->return_code != 'SUCCESS') {
die($postObj->return_msg);
}
if ($postObj->result_code != 'SUCCESS') {
die($postObj->err_code);
}
$arr = (array)$postObj;
unset($arr['sign']);
if (self::getSign($arr, $config['key']) == $postObj->sign) {
echo '<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>';
return $postObj;
}
}
public function orderquery($outTradeNo)
{
$config = array(
'mch_id' => $this->mchid,
'appid' => $this->appid,
'key' => $this->apiKey,
);
//$orderName = iconv('GBK','UTF-8',$orderName);
$unified = array(
'appid' => $config['appid'],
'mch_id' => $config['mch_id'],
'out_trade_no' => $outTradeNo,
'nonce_str' => self::createNonceStr(),
);
$unified['sign'] = self::getSign($unified, $config['key']);
$responseXml = self::curlPost('https://api.mch.weixin.qq.com/pay/orderquery', self::arrayToXml($unified));
$queryResult = simplexml_load_string($responseXml, 'SimpleXMLElement', LIBXML_NOCDATA);
if ($queryResult === false) {
die('parse xml error');
}
if ($queryResult->return_code != 'SUCCESS') {
die($queryResult->return_msg);
}
$trade_state = $queryResult->trade_state;
$data['code'] = $trade_state=='SUCCESS' ? 0 : 1;
$data['data'] = $trade_state;
$data['msg'] = $this->getTradeSTate($trade_state);
$data['time'] = date('Y-m-d H:i:s');
return $data;exit();
}
public function getTradeSTate($str)
{
switch ($str){
case 'SUCCESS';
return '支付成功';
case 'REFUND';
return '转入退款';
case 'NOTPAY';
return '未支付';
case 'CLOSED';
return '已关闭';
case 'REVOKED';
return '已撤销（刷卡支付）';
case 'USERPAYING';
return '用户支付中';
case 'PAYERROR';
return '支付失败';
}
}
/**
* curl get
*
* @param string $url
* @param array $options
* @return mixed
*/
public static function curlGet($url = '', $options = array())
{
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
if (!empty($options)) {
curl_setopt_array($ch, $options);
}
//https请求 不验证证书和host
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
$data = curl_exec($ch);
curl_close($ch);
return $data;
}
public static function curlPost($url = '', $postData = '', $options = array())
{
if (is_array($postData)) {
$postData = http_build_query($postData);
}
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
curl_setopt($ch, CURLOPT_TIMEOUT, 30); //设置cURL允许执行的最长秒数
if (!empty($options)) {
curl_setopt_array($ch, $options);
}
//https请求 不验证证书和host
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
$data = curl_exec($ch);
curl_close($ch);
return $data;
}
public static function createNonceStr($length = 16)
{
$chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
$str = '';
for ($i = 0; $i < $length; $i++) {
$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
}
return $str;
}
public static function arrayToXml($arr)
{
$xml = "<xml>";
foreach ($arr as $key => $val) {
if (is_numeric($val)) {
$xml .= "<" . $key . ">" . $val . "</" . $key . ">";
} else
$xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">";
}
$xml .= "</xml>";
return $xml;
}
/**
* 获取签名
*/
public static function getSign($params, $key)
{
ksort($params, SORT_STRING);
$unSignParaString = self::formatQueryParaMap($params, false);
$signStr = strtoupper(md5($unSignParaString . "&key=" . $key));
return $signStr;
}
protected static function formatQueryParaMap($paraMap, $urlEncode = false)
{
$buff = "";
ksort($paraMap);
foreach ($paraMap as $k => $v) {
if (null != $v && "null" != $v) {
if ($urlEncode) {
$v = urlencode($v);
}
$buff .= $k . "=" . $v . "&";
}
}
$reqPar = '';
if (strlen($buff) > 0) {
$reqPar = substr($buff, 0, strlen($buff) - 1);
}
return $reqPar;
}
}支付成功后 回调 notify.php
<?php
$input = file_get_contents('php://input');
$data = xmlToArray($input);
//log::write('微信支付返回：'.print_r($data,1));
file_put_contents('3.txt', print_r($data,1));
//将xml格式转换成数组
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;
}