//微信JSAPI支付
前端页面wx.html
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>微信支付样例-支付</title>
<script src=""></script>
<script type="text/javascript">
function onBridgeReady(){
var order_id = 7;
$.ajax({
'type':'get',
'url':'http://wx.owenzhang.com/Pay',
'data':{ //默认自动添加callback参数
'order_id':order_id,
'token':'27_G7oqz8ofmbn6q7aSsmpkGeVbQ' //不安全，请定期刷新token，建议进行文件压缩
},
'dataType':'json',
'success':function(json){
var json = json.data;
//微信JSAPI支付
WeixinJSBridge.invoke(
'getBrandWCPayRequest', {
"appId":json.appId, //公众号id，由商户传入
"timeStamp":json.timeStamp, //时间戳，自1970年以来的秒数
"nonceStr":json.nonceStr, //随机串
"package":json.package,//订单详情扩展字符串
"signType":json.signType, //微信签名方式：
"paySign":json.paySign //微信签名
},
function(res){
if(res.err_msg == "get_brand_wcpay_request:ok" ){
// 使用以上方式判断前端返回,微信团队郑重提示：
//res.err_msg将在用户支付成功后返回ok，但并不保证它绝对可靠。
window.location.href = 'http://owenwx.ygkj8.cn/app/index.php?i=1&c=entry&a=wxapp&m=hotel_jm&do=paysucceed&order_id='+order_id;
}
});
},
'error': function(XMLHttpRequest, textStatus, errorThrown) {
alert("请求失败：" + XMLHttpRequest.status);
}
});
}
</script>
</head>
<body>
<br/>
<font color="#9ACD32"><b>该笔订单支付金额为<span style="color:#f00;font-size:50px">1分</span>钱</b></font><br/><br/>
<div align="center">
<button style="width:210px; height:50px; border-radius: 15px;background-color:#FE6714; border:0px #FE6714 solid; cursor: pointer; color:white; font-size:16px;" type="button" onclick="onBridgeReady()" >立即支付</button>
</div>
</body>
</html>接口方法
/**
* 微信支付
* @access public
* @param null
* @return array 返回类型
* {
"errno": 0,
"message": "",
"data": {
"appId": "wx412359e77e1b1",
"timeStamp": "1572319025",
"nonceStr": "zg237y9123wlx83opu3muusu03wpt",
"package": "prepay_id=wx29123ec43a85f1123462900",
"signType": "MD5",
"paySign": "78C5D9E6123D1F7F948A152D4"
}
}
*/
public function doPagePay()
{
$good_name = '商品名称';
$appid = $res["appid"];//公众号appid
$openid = $this->openid;//用户微信openid
$mch_id = $res["mchid"];//公众号支付商户号
$key = $res["wxkey"];//公众号支付Api密钥
$out_trade_no = $mch_id . time();//支付商户订单号
$total_fee = $_GPC["money"];
$total_fee = 0.01;
$openid = 'onn6Bwf62aiyafBKQsPc072FIHrw';
if (empty($total_fee)||!$good_name||!$total_fee) {
return $this->result(10008, '参数错误', '');
} else {
$total_fee = floatval($total_fee * 100);
}
$weixinpay = new WeixinPay($appid, $openid, $mch_id, $key, $out_trade_no, $good_name, $total_fee);
$return = $weixinpay->pay();
return $this->result(0, '', $return);
}
/**
* 支付成功回调,微信查询订单
*
* @access public
* @param null
* @return array 返回类型
*/
public function doPagePaysucceed(){
$appid = $res["appid"];//公众号appid
$openid = $this->openid;//用户微信openid
$mch_id = $res["mchid"];//公众号支付商户号
$key = $res["wxkey"];//公众号支付Api密钥
$weixinpay = new WeixinPay($appid, $openid, $mch_id, $key, $out_trade_no, '', '');
$orderquery = $weixinpay->wxOrderQuery();
if ($orderquery['return_code']=='SUCCESS'){
return $this->result(0, '支付成功', '');
}else{
return $this->result(0, '该订单支付失败', '');
}
}
父类wxpay.php
/**
* 微信支付
* 微信支付：JSAPI支付，订单查询，
* @author owenzhang
* @version 1.0
*/
<?php
class WeixinPay
{
protected $appid;
protected $mch_id;
protected $key;
protected $openid;
protected $out_trade_no;
protected $body;
protected $total_fee;
function __construct($appid, $openid, $mch_id, $key, $out_trade_no, $body, $total_fee)
{
$this->appid = $appid
$this->openid = $openid;
$this->mch_id = $mch_id;
$this->key = $key;
$this->out_trade_no = $out_trade_no;
$this->body = $body;
$this->total_fee = $total_fee;
}
//微信JSAPI支付
public function pay()
{
$return = $this->weixinapp();
return $return;
}
//微信支付查询订单
public function wxOrderQuery()
{
$return = $this->orderquery();
return $return;
}
private function unifiedorder()
{
$url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
$parameters = array("appid" => $this->appid, "mch_id" => $this->mch_id, "nonce_str" => $this->createNoncestr(), "body" => $this->body, "out_trade_no" => $this->out_trade_no, "total_fee" => $this->total_fee, "spbill_create_ip" => "192.168.0.161", "notify_url" => "http://www.weixin.qq.com/wxpay/pay.php", "openid" => $this->openid, "trade_type" => "JSAPI");
$parameters["sign"] = $this->getSign($parameters);
$xmlData = $this->arrayToXml($parameters);
$return = $this->xmlToArray($this->postXmlCurl($xmlData, $url, 60));
return $return;
}
private function orderquery()
{
$url = "https://api.mch.weixin.qq.com/pay/orderquery";
$parameters = array("appid" => $this->appid, "mch_id" => $this->mch_id, "out_trade_no" => $this->out_trade_no, "nonce_str" => $this->createNoncestr(), "sign_type" => "MD5");
$parameters["sign"] = $this->getSign($parameters);
$xmlData = $this->arrayToXml($parameters);
$return = $this->xmlToArray($this->postXmlCurl($xmlData, $url, 60));
return $return;
}
private static function postXmlCurl($xml, $url, $second = 30)
{
$ch = curl_init();
curl_setopt($ch, CURLOPT_TIMEOUT, $second);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_POST, TRUE);
curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 20);
curl_setopt($ch, CURLOPT_TIMEOUT, 40);
set_time_limit(0);
$data = curl_exec($ch);
if ($data) {
curl_close($ch);
return $data;
} else {
$error = curl_errno($ch);
curl_close($ch);
throw new WxPayException("curl出错，错误码:{$error}");
}
}
private function arrayToXml($arr)
{
$xml = "<root>";
foreach ($arr as $key => $val) {
if (is_array($val)) {
$xml .= "<" . $key . ">" . arrayToXml($val) . "</" . $key . ">";
} else {
$xml .= "<" . $key . ">" . $val . "</" . $key . ">";
}
}
$xml .= "</root>";
return $xml;
}
private function xmlToArray($xml)
{
libxml_disable_entity_loader(true);
$xmlstring = simplexml_load_string($xml, "SimpleXMLElement", LIBXML_NOCDATA);
$val = json_decode(json_encode($xmlstring), true);
return $val;
}
private function weixinapp()
{
$unifiedorder = $this->unifiedorder();
$parameters = array("appId" => $this->appid, "timeStamp" => '' . time() . '', "nonceStr" => $this->createNoncestr(), "package" => "prepay_id=" . $unifiedorder["prepay_id"], "signType" => "MD5");
$parameters["paySign"] = $this->getSign($parameters);
return $parameters;
}
private function createNoncestr($length = 32)
{
$chars = "abcdefghijklmnopqrstuvwxyz0123456789";
$str = '';
$i = 0;
while ($i < $length) {
$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
$i++;
}
return $str;
}
private function getSign($Obj)
{
foreach ($Obj as $k => $v) {
$Parameters[$k] = $v;
}
ksort($Parameters);
$String = $this->formatBizQueryParaMap($Parameters, false);
$String = $String . "&key=" . $this->key;
$String = md5($String);
$result_ = strtoupper($String);
return $result_;
}
private function formatBizQueryParaMap($paraMap, $urlencode)
{
$buff = '';
ksort($paraMap);
foreach ($paraMap as $k => $v) {
if ($urlencode) {
$v = urlencode($v);
}
$buff .= $k . "=" . $v . "&";
}
$reqPar = '';
if (strlen($buff) > 0) {
$reqPar = substr($buff, 0, strlen($buff) - 1);
}
return $reqPar;
}
}Buy me a cup of coffee :)