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本文为大家分享了PHP微信支付实例，包括PHP微信支付源码，PHP微信退款源码，php微信支付接口，供大家参考，具体内容如下
1.JSapi支付demo(在微信客户端中点击)
<"../WxPayPubHelper/WxPayPubHelper.php");
//使用jsapi接口
$jsApi = new JsApi_pub();
//=========步骤1：网页授权获取用户openid============
//通过code获得openid
if (!isset($_GET['code']))
{
//触发微信返回code码
$url = $jsApi->createOauthUrlForCode(WxPayConf_pub::JS_API_CALL_URL);
Header("Location: $url");
}else
{
//获取code码，以获取openid
$code = $_GET['code'];
$jsApi->setCode($code);
$openid = $jsApi->getOpenId();
}
//=========步骤2：使用统一支付接口，获取prepay_id============
//使用统一支付接口
$unifiedOrder = new UnifiedOrder_pub();
//设置统一支付接口参数
//设置必填参数
//appid已填,商户无需重复填写
//mch_id已填,商户无需重复填写
//noncestr已填,商户无需重复填写
//spbill_create_ip已填,商户无需重复填写
//sign已填,商户无需重复填写
$unifiedOrder->setParameter("openid","$openid");//商品描述
$unifiedOrder->setParameter("body","贡献一分钱");//商品描述
//自定义订单号，此处仅作举例
$timeStamp = time();
$out_trade_no = WxPayConf_pub::APPID."$timeStamp";
$unifiedOrder->setParameter("out_trade_no","$out_trade_no");//商户订单号
$unifiedOrder->setParameter("total_fee","1");//总金额
$unifiedOrder->setParameter("notify_url",WxPayConf_pub::NOTIFY_URL);//通知地址
$unifiedOrder->setParameter("trade_type","JSAPI");//交易类型
//非必填参数，商户可根据实际情况选填
//$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
$prepay_id = $unifiedOrder->getPrepayId();
//=========步骤3：使用jsapi调起支付============
$jsApi->setPrepayId($prepay_id);
$jsApiParameters = $jsApi->getParameters();
//echo $jsApiParameters;
"htmlcode">
<"../WxPayPubHelper/WxPayPubHelper.php");
//设置静态链接
$nativeLink = new NativeLink_pub();
//设置静态链接参数
//设置必填参数
//appid已填,商户无需重复填写
//mch_id已填,商户无需重复填写
//noncestr已填,商户无需重复填写
//time_stamp已填,商户无需重复填写
//sign已填,商户无需重复填写
$product_id = WxPayConf_pub::APPID."static";//自定义商品id
$nativeLink->setParameter("product_id","$product_id");//商品id
//获取链接
$product_url = $nativeLink->getUrl();
//使用短链接转换接口
$shortUrl = new ShortUrl_pub();
//设置必填参数
//appid已填,商户无需重复填写
//mch_id已填,商户无需重复填写
//noncestr已填,商户无需重复填写
//sign已填,商户无需重复填写
$shortUrl->setParameter("long_url","$product_url");//URL链接
//获取短链接
$codeUrl = $shortUrl->getShortUrl();
"htmlcode">
<"../WxPayPubHelper/WxPayPubHelper.php");
//使用统一支付接口
$unifiedOrder = new UnifiedOrder_pub();
//设置统一支付接口参数
//设置必填参数
//appid已填,商户无需重复填写
//mch_id已填,商户无需重复填写
//noncestr已填,商户无需重复填写
//spbill_create_ip已填,商户无需重复填写
//sign已填,商户无需重复填写
$unifiedOrder->setParameter("body","贡献一分钱");//商品描述
//自定义订单号，此处仅作举例
$timeStamp = time();
$out_trade_no = WxPayConf_pub::APPID."$timeStamp";
$unifiedOrder->setParameter("out_trade_no","$out_trade_no");//商户订单号
$unifiedOrder->setParameter("total_fee","1");//总金额
$unifiedOrder->setParameter("notify_url",WxPayConf_pub::NOTIFY_URL);//通知地址
$unifiedOrder->setParameter("trade_type","NATIVE");//交易类型
//非必填参数，商户可根据实际情况选填
//$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
//获取统一支付接口结果
$unifiedOrderResult = $unifiedOrder->getResult();
//商户根据实际情况设置相应的处理流程
if ($unifiedOrderResult["return_code"] == "FAIL")
{
//商户自行增加处理流程
echo "通信出错：".$unifiedOrderResult['return_msg']."<br>";
}
elseif($unifiedOrderResult["result_code"] == "FAIL")
{
//商户自行增加处理流程
echo "错误代码：".$unifiedOrderResult['err_code']."<br>";
echo "错误代码描述：".$unifiedOrderResult['err_code_des']."<br>";
}
elseif($unifiedOrderResult["code_url"] != NULL)
{
//从统一支付接口获取到code_url
$code_url = $unifiedOrderResult["code_url"];
//商户自行增加处理流程
//......
}
"htmlcode">
<"../WxPayPubHelper/WxPayPubHelper.php");
//退款的订单号
if (!isset($_POST["out_trade_no"]))
{
$out_trade_no = " ";
}else{
$out_trade_no = $_POST["out_trade_no"];
//使用订单查询接口
$orderQuery = new OrderQuery_pub();
//设置必填参数
//appid已填,商户无需重复填写
//mch_id已填,商户无需重复填写
//noncestr已填,商户无需重复填写
//sign已填,商户无需重复填写
$orderQuery->setParameter("out_trade_no","$out_trade_no");//商户订单号
//非必填参数，商户可根据实际情况选填
//$orderQuery->setParameter("sub_mch_id","XXXX");//子商户号
//$orderQuery->setParameter("transaction_id","XXXX");//微信订单号
//获取订单查询结果
$orderQueryResult = $orderQuery->getResult();
//商户根据实际情况设置相应的处理流程,此处仅作举例
if ($orderQueryResult["return_code"] == "FAIL") {
echo "通信出错：".$orderQueryResult['return_msg']."<br>";
}
elseif($orderQueryResult["result_code"] == "FAIL"){
echo "错误代码：".$orderQueryResult['err_code']."<br>";
echo "错误代码描述：".$orderQueryResult['err_code_des']."<br>";
}
else{
echo "交易状态：".$orderQueryResult['trade_state']."<br>";
echo "设备号：".$orderQueryResult['device_info']."<br>";
echo "用户标识：".$orderQueryResult['openid']."<br>";
echo "是否关注公众账号：".$orderQueryResult['is_subscribe']."<br>";
echo "交易类型：".$orderQueryResult['trade_type']."<br>";
echo "付款银行：".$orderQueryResult['bank_type']."<br>";
echo "总金额：".$orderQueryResult['total_fee']."<br>";
echo "现金券金额：".$orderQueryResult['coupon_fee']."<br>";
echo "货币种类：".$orderQueryResult['fee_type']."<br>";
echo "微信支付订单号：".$orderQueryResult['transaction_id']."<br>";
echo "商户订单号：".$orderQueryResult['out_trade_no']."<br>";
echo "商家数据包：".$orderQueryResult['attach']."<br>";
echo "支付完成时间：".$orderQueryResult['time_end']."<br>";
}
}
//商户自行增加处理流程
//......
"htmlcode">
<"../WxPayPubHelper/WxPayPubHelper.php");
//对账单日期
if (!isset($_POST["bill_date"])){
$bill_date = "20140814";
}
else{
$bill_date = $_POST["bill_date"];
//使用对账单接口
$downloadBill = new DownloadBill_pub();
//设置对账单接口参数
//设置必填参数
//appid已填,商户无需重复填写
//mch_id已填,商户无需重复填写
//noncestr已填,商户无需重复填写
//sign已填,商户无需重复填写
$downloadBill->setParameter("bill_date","$bill_date");//对账单日期
$downloadBill->setParameter("bill_type","ALL");//账单类型
//非必填参数，商户可根据实际情况选填
//$downloadBill->setParameter("device_info","XXXX");//设备号
//对账单接口结果
$downloadBillResult = $downloadBill->getResult();
echo $downloadBillResult['return_code'];
if ($downloadBillResult['return_code'] == "FAIL") {
echo "通信出错：".$downloadBillResult['return_msg'];
}else{
print_r('<pre>');
echo "【对账单详情】"."</br>";
print_r($downloadBill->response);
print_r('</pre>');
}
}
"htmlcode">
<"../WxPayPubHelper/WxPayPubHelper.php");
//输入需退款的订单号
if (!isset($_POST["out_trade_no"]) || !isset($_POST["refund_fee"]))
{
$out_trade_no = " ";
$refund_fee = "1";
}else{
$out_trade_no = $_POST["out_trade_no"];
$refund_fee = $_POST["refund_fee"];
//商户退款单号，商户自定义，此处仅作举例
$out_refund_no = "$out_trade_no"."$time_stamp";
//总金额需与订单号out_trade_no对应，demo中的所有订单的总金额为1分
$total_fee = "1";
//使用退款接口
$refund = new Refund_pub();
//设置必填参数
//appid已填,商户无需重复填写
//mch_id已填,商户无需重复填写
//noncestr已填,商户无需重复填写
//sign已填,商户无需重复填写
$refund->setParameter("out_trade_no","$out_trade_no");//商户订单号
$refund->setParameter("out_refund_no","$out_refund_no");//商户退款单号
$refund->setParameter("total_fee","$total_fee");//总金额
$refund->setParameter("refund_fee","$refund_fee");//退款金额
$refund->setParameter("op_user_id",WxPayConf_pub::MCHID);//操作员
//非必填参数，商户可根据实际情况选填
//$refund->setParameter("sub_mch_id","XXXX");//子商户号
//$refund->setParameter("device_info","XXXX");//设备号
//$refund->setParameter("transaction_id","XXXX");//微信订单号
//调用结果
$refundResult = $refund->getResult();
//商户根据实际情况设置相应的处理流程,此处仅作举例
if ($refundResult["return_code"] == "FAIL") {
echo "通信出错：".$refundResult['return_msg']."<br>";
}
else{
echo "业务结果：".$refundResult['result_code']."<br>";
echo "错误代码：".$refundResult['err_code']."<br>";
echo "错误代码描述：".$refundResult['err_code_des']."<br>";
echo "公众账号ID：".$refundResult['appid']."<br>";
echo "商户号：".$refundResult['mch_id']."<br>";
echo "子商户号：".$refundResult['sub_mch_id']."<br>";
echo "设备号：".$refundResult['device_info']."<br>";
echo "签名：".$refundResult['sign']."<br>";
echo "微信订单号：".$refundResult['transaction_id']."<br>";
echo "商户订单号：".$refundResult['out_trade_no']."<br>";
echo "商户退款单号：".$refundResult['out_refund_no']."<br>";
echo "微信退款单号：".$refundResult['refund_idrefund_id']."<br>";
echo "退款渠道：".$refundResult['refund_channel']."<br>";
echo "退款金额：".$refundResult['refund_fee']."<br>";
echo "现金券退款金额：".$refundResult['coupon_refund_fee']."<br>";
}
}
"htmlcode">
<"../WxPayPubHelper/WxPayPubHelper.php");
//要查询的订单号
if (!isset($_POST["out_trade_no"]))
{
$out_trade_no = " ";
}else{
$out_trade_no = $_POST["out_trade_no"];
//使用退款查询接口
$refundQuery = new RefundQuery_pub();
//设置必填参数
//appid已填,商户无需重复填写
//mch_id已填,商户无需重复填写
//noncestr已填,商户无需重复填写
//sign已填,商户无需重复填写
$refundQuery->setParameter("out_trade_no","$out_trade_no");//商户订单号
// $refundQuery->setParameter("out_refund_no","XXXX");//商户退款单号
// $refundQuery->setParameter("refund_id","XXXX");//微信退款单号
// $refundQuery->setParameter("transaction_id","XXXX");//微信退款单号
//非必填参数，商户可根据实际情况选填
//$refundQuery->setParameter("sub_mch_id","XXXX");//子商户号
//$refundQuery->setParameter("device_info","XXXX");//设备号
//退款查询接口结果
$refundQueryResult = $refundQuery->getResult();
//商户根据实际情况设置相应的处理流程,此处仅作举例
if ($refundQueryResult["return_code"] == "FAIL") {
echo "通信出错：".$refundQueryResult['return_msg']."<br>";
}
else{
echo "业务结果：".$refundQueryResult['result_code']."<br>";
echo "错误代码：".$refundQueryResult['err_code']."<br>";
echo "错误代码描述：".$refundQueryResult['err_code_des']."<br>";
echo "公众账号ID：".$refundQueryResult['appid']."<br>";
echo "商户号：".$refundQueryResult['mch_id']."<br>";
echo "子商户号：".$refundQueryResult['sub_mch_id']."<br>";
echo "设备号：".$refundQueryResult['device_info']."<br>";
echo "签名：".$refundQueryResult['sign']."<br>";
echo "微信订单号：".$refundQueryResult['transaction_id']."<br>";
echo "商户订单号：".$refundQueryResult['out_trade_no']."<br>";
echo "退款笔数：".$refundQueryResult['refund_count']."<br>";
echo "商户退款单号：".$refundQueryResult['out_refund_no']."<br>";
echo "微信退款单号：".$refundQueryResult['refund_idrefund_id']."<br>";
echo "退款渠道：".$refundQueryResult['refund_channel']."<br>";
echo "退款金额：".$refundQueryResult['refund_fee']."<br>";
echo "现金券退款金额：".$refundQueryResult['coupon_refund_fee']."<br>";
echo "退款状态：".$refundQueryResult['refund_status']."<br>";
}
}
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