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index.php
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index.php
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<?php
include_once("conf/WxPay.pub.config.php");
include_once("lib/JsSdk.php");
include_once("lib/CommonUtilPub.php");
include_once("lib/SDKRuntimeException.php");
include_once("lib/WxpayClientPub.php");
include_once("lib/UnifiedOrderPub.php");
// 获取微信用户的openId，相信在接微信支付的时候，已经能够获取到openId了
$openId = "o5k3_xxxxxxxxxxxxxxxxxx";
$appId = WxPayConfPub::APPID;
$appSecret = WxPayConfPub::APPSECRET;
// 获取jssdk相关参数
$jssdk = new JsSdk($appId, $appSecret);
$signPackage = $jssdk->GetSignPackage();
$timeStamp = $signPackage['timestamp'];
$nonceStr = $signPackage['nonceStr'];
// 获取prepay_id
// 具体参数设置可以看文档http://pay.weixin.qq.com/wiki/doc/api/index.php?chapter=9_1
$unifiedOrder = new UnifiedOrderPub();
$unifiedOrder->setParameter("openid",$openId);//用户openId
$unifiedOrder->setParameter("body", "贡献一分钱");//商品描述，文档里写着不能超过32个字符，否则会报错，经过实际测试，临界点大概在128左右，稳妥点最好按照文档，不要超过32个字符
$unifiedOrder->setParameter("out_trade_no", "123456");//商户订单号
$unifiedOrder->setParameter("total_fee", "1");//总金额,单位为分
$unifiedOrder->setParameter("notify_url",WxPayConfPub::NOTIFY_URL);//通知地址
$unifiedOrder->setParameter("trade_type","JSAPI");//交易类型
$unifiedOrder->setParameter("nonce_str", $nonceStr);//随机字符串
//非必填参数，商户可根据实际情况选填
//$unifiedOrder->setParameter("sub_mch_id","XXXX");//子商户号
//$unifiedOrder->setParameter("device_info","XXXX");//设备号
//$unifiedOrder->setParameter("attach","XXXX");//附加数据
//$unifiedOrder->setParameter("time_start","XXXX");//交易起始时间
//$unifiedOrder->setParameter("time_expire","XXXX");//交易结束时间
//$unifiedOrder->setParameter("goods_tag","XXXX");//商品标记
//$unifiedOrder->setParameter("openid","XXXX");//用户标识
//$unifiedOrder->setParameter("product_id","XXXX");//商品ID
$prepayId = $unifiedOrder->getPrepayId();
// 计算paySign
$payPackage = [
"appId" => WxPayConfPub::APPID,
"nonceStr" => $nonceStr,
"package" => "prepay_id=" . $prepayId,
"signType" => "MD5",
"timeStamp" => $timeStamp
];
$paySign = $unifiedOrder->getSign($payPackage);
$payPackage['paySign'] = $paySign;
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport">
<meta content="yes" name="apple-mobile-web-app-capable" />
<meta content="telephone=no,email=no" name="format-detection" />
<title>微信支付接入</title>
<link rel="stylesheet" href="http://biang.io/dist/css/bootstrap.css" />
</head>
<body>
<div>
<h3 id="menu-pay">微信支付接口</h3>
<span class="desc">发起一个微信支付请求</span>
<button class="btn btn_primary" id="chooseWXPay">chooseWXPay</button>
</div>
</body>
<script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>
<script>
wx.config({
debug: true, // 调试开关
appId: '<?php echo $signPackage["appId"];?>',
timestamp: <?php echo $signPackage["timestamp"];?>,
nonceStr: '<?php echo $signPackage["nonceStr"];?>',
signature: '<?php echo $signPackage["signature"];?>',
jsApiList: [
'checkJsApi',
'chooseWXPay'
]
});
wx.ready(function () {
document.querySelector('#chooseWXPay').onclick = function () {
wx.chooseWXPay({
timestamp: <?php echo $payPackage["timeStamp"];?>,
nonceStr: '<?php echo $payPackage["nonceStr"];?>',
package: '<?php echo $payPackage['package'];?>',
signType: '<?php echo $payPackage["signType"];?>', // 注意：新版支付接口使用 MD5 加密
paySign: '<?php echo $payPackage["paySign"];?>',
success: function () {
alert('支付成功');
// Add Your Code Here If You Need
}
});
};
});
wx.error(function (res) {
alert('验证失败:' + res.errMsg);
// Add Your Code Here If You Need
});
</script>
</html>