标签:ch return 微信 data result str 支付 curl 退款
1.流程图
apiclient_cert.pem 和 apiclient_key.pem 证书是商家在使用微信支付功能的时候,进行身份验证用到的,起到一种安全的作用,但是,目前微信支付仅仅只在使用退款接口或者撤销订单的时候需要可能会用到证书。
2.代码
付款和退款封装成一个类
class WxpayService
{
public function __construct()
{
$this->conf =[
"appid" => config('wxpay.app_id'), // 开放平台或商户平台APPID
"mch_id" => config('wxpay.mch_id'), // 商户平台 商户号
"key" => config('wxpay.key'), // 商户平台 秘钥KEY
"spbill_create_ip" =>config('wxpay.spbill_create_ip'),
"TOKEN" => "", // 此参数非必传 有的前端在jsapi 支付时会要求返回signature 参数 此参数即为此准备
];
}
/**
* notes:支付
* @param $param
* @param string $openid
* @return array
*/
public function pay($param,$openid="")
{
$order = [
'out_trade_no' => $param['out_trade_no'],// 订单号
'total_fee' => intval($param['total_fee']*100),// 订单金额 以(分)为单位
'body' => $param['body'],// 商品描述
'notify_url' => $param['notify_url'], //回调地址
'spbill_create_ip' => $this->conf['spbill_create_ip'], //对应服务器IP
'trade_type' => $param['trade_type'] //对应支付类型
];
#当支付类型为JAPI时 openid 必传
if($param['trade_type'] == "JSAPI")
{
$order['openid'] = $openid;
}
#统一下单 获取prepay_id
$unified_order=$this->unifiedOrder($order);
//error_log(var_export($unified_order,true),3,__FILE__.'.sfxf');
#获取当前时间戳
$time = time();
#JSAPI
if($param['trade_type'] == 'JSAPI')
{
#组合jssdk需要用到的数据
$data = [
'appId' => $this->conf['appid'], //appid
'timeStamp' => strval($time), //时间戳
'nonceStr' =>$unified_order['nonce_str'],// 随机字符串
'package' => 'prepay_id='.$unified_order['prepay_id'],// 预支付交易会话标识
'signType' => 'MD5' //加密方式
];
// 生成签名
$data['paySign']=$this->makeSign($data);
// #有的可能会有需求signature 此参数的在此加密一下即可
// $token = $this->config['token'];
// $tmpArr = array($token, strval($time),$unified_order['nonce_str']);
// sort($tmpArr, SORT_STRING);
// $tmpStr = implode( $tmpArr );
// $tmpStr = sha1($tmpStr);
// $data['signature'] = $tmpStr;
}
#APP
elseif($param['trade_type'] == 'APP')
{
$data = [
'appid' => $this->conf['appid'],
'partnerid' => $this->conf['mch_id'],
'prepayid' => $unified_order['prepay_id'],
'package' => 'Sign=WXPay',
'noncestr' => $unified_order['nonce_str'],// 随机字符串
'timestamp' => strval($time), //时间戳
];
//生成签名
$data['sign'] = $this->makeSign($data);
}
return $data;
}
/**
* 统一下单
* @param array $order 订单 必须包含支付所需要的参数
* body(产品描述)、total_fee(订单金额)、out_trade_no(订单号)、
* product_id(产品id)、trade_type(类型:JSAPI,NATIVE,APP)
*/
public function unifiedOrder($order)
{
$config =[
'appid' => $this->conf['appid'], //appid
'mch_id' => $this->conf['mch_id'], //商户号ID
'nonce_str' => $this->getNonceStr()
];
# 合并配置数据和订单数据
$data=array_merge($order,$config);
# 生成签名
$sign=$this->makeSign($data);
$data['sign']=$sign;
#转换成xml
$xml=$this->toXml($data);
$url = 'https://api.mch.weixin.qq.com/pay/unifiedorder'; //接收xml数据的文件
$header[] = "Content-type: text/xml"; //定义content-type为xml,注意是数组
$ch = curl_init ($url);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 兼容本地没有指定curl.cainfo路径的错误
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
$response = curl_exec($ch);
if(curl_errno($ch)){
# 显示报错信息;终止继续执行
die(curl_error($ch));
}
curl_close($ch);
#转换成数组
$result=$this->toArray($response);
#显示错误信息
if ($result['return_code']=='FAIL')
{
die($result['return_msg']);
}
$result['sign']=$sign;
$result['nonce_str']=$this->getNonceStr();
return $result;
}
/**
* notes:退款处理
* @param $param
* @return array
*/
public function trade_refund($param) {
$config =[
'appid' => $this->conf['appid'], //appid
'mch_id' => $this->conf['mch_id'], //商户号ID
'key' => $this->conf['key'],
'nonce_str' => $this->getNonceStr(),
];
$order = array(
'appid' => $config['appid'],
'mch_id' => $config['mch_id'],
'nonce_str' => $config['nonce_str'],
'total_fee' => intval($param['total_fee'] * 100), //订单金额 单位 转为分
'refund_fee' => intval($param['refund_fee'] * 100), //退款金额 单位 转为分
'sign_type' => 'MD5', //签名类型 支持HMAC-SHA256和MD5,默认为MD5
//'transaction_id' => $param['transaction_id'], //微信订单号 和下面的out_trade_no 二选一
'out_trade_no' => $param['out_trade_no'], //商户订单号
'out_refund_no' => $param['out_refund_no'], //商户退款单号
'refund_desc' => '用户申请退款', //退款原因(选填)
'notify_url'=>$param['notify_url'],//退款成功,异步通知
);
$order['sign'] = $this->makeSign($order, $config['key']);
$xmlresult = $this->postXmlSSLCurl($this->ToXml($order),'https://api.mch.weixin.qq.com/secapi/pay/refund');
$result = $this->toArray($xmlresult);
return $result;
}
/**
* 生成签名
* @return 签名,本函数不覆盖sign成员变量,如要设置签名需要调用SetSign方法赋值
*/
public function makeSign($data)
{
# 去空
$data=array_filter($data);
#签名步骤一:按字典序排序参数
ksort($data);
#将数组转成url形式
$string_a=http_build_query($data);
$string_a=urldecode($string_a);
#签名步骤二:在string后加入KEY
$string_sign_temp=$string_a."&key=".$this->conf['key'];
#签名步骤三:MD5加密
$sign = md5($string_sign_temp);
# 签名步骤四:所有字符转为大写
$result=strtoupper($sign);
return $result;
}
/**
* 将xml转为array
* @param string $xml xml字符串
* @return array 转换得到的数组
*/
public function toArray($xml){
#禁止引用外部xml实体
libxml_disable_entity_loader(true);
$result= json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
return $result;
}
/**
*
* 产生随机字符串,不长于32位
* @param int $length
* @return 产生的随机字符串
*/
public function getNonceStr($length = 32)
{
$chars = "abcdefghijklmnopqrstuvwxyz0123456789";
$str ="";
for ( $i = 0; $i < $length; $i++ )
{
$str .= substr($chars, mt_rand(0, strlen($chars)-1), 1);
}
return $str;
}
/**
* 输出xml字符
* @throws WxPayException
**/
public function toXml($data)
{
if(!is_array($data) || count($data) <= 0)
{
throw new WxPayException("数组数据异常!");
}
$xml = "<xml>";
foreach ($data as $key=>$val){
if (is_numeric($val)){
$xml.="<".$key.">".$val."</".$key.">";
}else{
$xml.="<".$key."><![CDATA[".$val."]]></".$key.">";
}
}
$xml.="</xml>";
return $xml;
}
//解密退款成功时,微信回调返回的信息
public function decipheringReqInfo($str){
//微信商户key
$key = $this->conf['key'];
$str = base64_decode($str);
$xml = openssl_decrypt($str,'aes-256-ecb',md5($key),OPENSSL_RAW_DATA);
return json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
}
//需要使用证书的请求
public function postXmlSSLCurl($xml,$url,$second=30)
{
$ch = curl_init();
//超时时间
curl_setopt($ch,CURLOPT_TIMEOUT,$second);
//这里设置代理,如果有的话
//curl_setopt($ch,CURLOPT_PROXY, '8.8.8.8');
//curl_setopt($ch,CURLOPT_PROXYPORT, 8080);
curl_setopt($ch,CURLOPT_URL, $url);
curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE);
curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE);
//设置header
curl_setopt($ch,CURLOPT_HEADER,FALSE);
//要求结果为字符串且输出到屏幕上
curl_setopt($ch,CURLOPT_RETURNTRANSFER,TRUE);
//设置证书
//使用证书:cert 与 key 分别属于两个.pem文件
//默认格式为PEM,可以注释
curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
//dirname(getcwd())."/certs/apiclient_cert.pem"
//dirname(getcwd()); /data
//getcwd(); /data/doctorpc.test
curl_setopt($ch,CURLOPT_SSLCERT, realpath(getcwd().'/application/certs/wxpay/apiclient_cert.pem'));
//默认格式为PEM,可以注释
curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
curl_setopt($ch,CURLOPT_SSLKEY, realpath(getcwd().'/application/certs/wxpay/apiclient_key.pem'));
//post提交方式
curl_setopt($ch,CURLOPT_POST, true);
curl_setopt($ch,CURLOPT_POSTFIELDS,$xml);
$data = curl_exec($ch);
//返回结果
if($data){
curl_close($ch);
return $data;
}
else {
$error = curl_errno($ch);
$errpr = curl_getinfo($ch);
return $errpr;
// echo json($error);
echo "curl出错,错误码:$error"."<br>";
curl_close($ch);
return false;
}
}
/**
* 验证支付成功回调
* @return array 返回数组格式的notify数据
*/
public function notify()
{
// 获取xml
$xml=file_get_contents('php://input', 'r');
# 转成php数组
$data=$this->toArray($xml);
# 保存原sign
$data_sign=$data['sign'];
# sign不参与签名
unset($data['sign']);
$sign=$this->makeSign($data);
# 判断签名是否正确 判断支付状态
if ($sign===$data_sign && $data['return_code']=='SUCCESS' && $data['result_code']=='SUCCESS')
{
$result=$data;
}else{
$result=false;
}
# 返回状态给微信服务器
if ($result)
{
$str='<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>';
}else{
$str='<xml><return_code><![CDATA[FAIL]]></return_code><return_msg><![CDATA[签名失败]]></return_msg></xml>';
}
$res['result']=$result;
$res['str']=$str;
return $res;
}
public function refund_notify()
{
// 获取xml
$xml=file_get_contents('php://input', 'r');
# 转成php数组
$data=$this->toArray($xml);
/**
* array (
'return_code' => 'SUCCESS',
'appid' => 'wx457125l3a8cd5b54',
'mch_id' => '124342369',
'nonce_str' => 'b5bdf257c21c4548eb221cbd871197a3',
'req_info' => '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',
)
*/
$req_info=$this->decipheringReqInfo($data['req_info']);
//解密信息
if ($data['return_code']=='SUCCESS')
{
$result=$req_info;
}else{
$result=false;
}
# 返回状态给微信服务器
if ($result)
{
$str='<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>';
}else{
$str='<xml><return_code><![CDATA[FAIL]]></return_code><return_msg><![CDATA[签名失败]]></return_msg></xml>';
}
$res['result']=$result;
$res['str']=$str;
return $res;
}
}
统一下单使用方法
public function diagnosis_wxpay(Request $request)
{
$data=[
'out_trade_no'=>$request->param('orderid'),
'body'=>$request->param('subject'),
'total_fee'=>$request->param('total_amount'),
'notify_url'=>config('wxpay.notify_url'),
'trade_type' => 'APP'
];
$wxpay=new WxpayService();
#根据 trade_type 类型不同,是否传递openid
#APP 类型支付调用
$res = $wxpay->pay($data);
#JSAPI 类型支付调用
//$res = $wxpay->index($date,$openid);
#获得后将对应内容返回前端即可
//return $res;
//return json_encode($res);
return Send::successMsg($res,'微信下单成功');
}
退款使用方法
public function wxpay_trade_refund(Request $request){
$data['refund_reason']='用户订单取消-退款';
$data=[
'total_fee'=>'0.01',
'refund_fee'=>'0.01',
//'transaction_id'=>$order['trade_no'],//和下面的out_trade_no二选一
'out_trade_no'=>'DN202101051054280HwV',
'out_refund_no' => 'DNTK'.date('Ymdhis',time()).str_random(6),
'notify_url'=>config('wxpay.refund_notify_url'),
];
$wxpay=new WxpayService();
$res = $wxpay->trade_refund($data);
if($res['return_code']=='SUCCESS' && $res['result_code']=='SUCCESS'){
return Send::successMsg('订单退款成功');
}else{
return Send::errorMsg(500,'订单退款失败');
}
}
回调类
class Pays
{
public function wxpay_notify(Request $request){
$wxpay = new WxpayService();
$res = $wxpay->notify();//notify方法中已经进行了验签
//验签成功
if($res['result']){
...................
...................
查询自己系统订单表,获取订单信息
...................
...................
if($order){
//后验证金额是否一致
if($order['amount']*100 == $res['result']['total_fee']){
//更新订单状态,判断该笔订单是否在商户网站中已经做过处理
if($order['status']=='0') {//订单状态为待支付
$update['id']=$order['id'];
$update['paytime']=microtime($res['result']['time_end']);//13位时间戳转10位
$update['status']='1';
$update['payment']='微信';
$update['trade_no']=$res['result']['transaction_id'];
...................
...................
更新自己系统的订单状态
...................
...................
echo $res['str'];
}
}
}
}else{
echo $res['str'];
}
}
public function wxpay_refund_notify(Request $request){
$wxpay=new WxpayService();
$res = $wxpay->refund_notify();//notify方法中已经进行了验签
//验签成功
if($res['result']){
...................
...................
查询自己系统订单表,获取订单信息
...................
...................
if($order){
if($res['result']['refund_status']=='SUCCESS'){
$update['id']=$order['id'];
$update['refundtime']=time();
$update['status']='5';
$update['refund_reason']='问诊订单取消-退款';
...................
...................
更新自己系统的订单状态
...................
...................
echo $res['str'];
}
}
}else{
echo $res['str'];
}
}
}
标签:ch,return,微信,data,result,str,支付,curl,退款 来源: https://blog.csdn.net/sang521jia/article/details/112238603
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