小程序支付
<?php
/**
* @author: fuchao
* @createTime: 2018-04-30 18:02
* @description: 小程序微信支付
* 公众号:ZEROFC_DEV
*/
namespace app\v1\extend;
class WeixinPay {
protected $appid;
protected $mch_id;
protected $key;
protected $openid;
protected $out_trade_no;
protected $body;
protected $total_fee;
protected $notify_url;
protected $spbill_create_ip;
function __construct($appid, $openid, $mch_id, $key,$out_trade_no,$body,$total_fee,$notify_url,$spbill_create_ip) {
$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;
$this->notify_url = $notify_url;
$this->spbill_create_ip = $spbill_create_ip;
}
/************测试方法可删除*****************/
public function test() {
$ha = "hello world";
return $this->appid;
}
/************可删除*****************/
public function pay() {
// var_dump($this->notify_url);
// die;
//统一下单接口
$return = $this->weixinapp();
return $return;
}
//统一下单接口
private function unifiedorder() {
$url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';
// 这里的参数顺序一定要按下面的，不然可能就一直报商户号此功能未授权等错误
$parameters = array(
'appid' => $this->appid, // 小程序ID
//'body' => 'test', // 商品描述
'body' => $this->body,
'mch_id' => $this->mch_id, // 商户号
'nonce_str' => $this->createNoncestr(), // 随机字符串
'notify_url' => $this->notify_url, //'https://shop.gdpress.cn/syw_jingzhun/index.php/Api/xiaochengxu/notify_url_api', // 通知地址 确保外网能正常访问
'openid' => $this->openid, // 用户id
// 'out_trade_no' => '2015450806125348', // 商户订单号
'out_trade_no'=> $this->out_trade_no,
//'spbill_create_ip' => $_SERVER['REMOTE_ADDR'], // 终端IP
'spbill_create_ip' => $this->spbill_create_ip, // 终端IP
'total_fee' => floatval(($this->total_fee) * 100), // 单位 分
//'total_fee' => $this->total_fee, // 单位 分
'trade_type' => 'JSAPI' // 交易类型
);
//统一下单签名
$parameters['sign'] = $this->getSign($parameters);
$xmlData = $this->arrayToXml($parameters);
$return = $this->xmlToArray($this->postXmlCurl($xmlData, $url, 60));
//$return = $this->postXmlCurl($xmlData, $url, 60);
// print_r($return);
// die;
return $return;
}
// curl请求方法封装
private static function postXmlCurl($xml, $url, $second = 30)
{
$ch = curl_init();
//设置超时
curl_setopt($ch, CURLOPT_TIMEOUT, $second);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE); //严格校验
//设置header
curl_setopt($ch, CURLOPT_HEADER, FALSE);
//要求结果为字符串且输出到屏幕上
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
//post提交方式
curl_setopt($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);
//运行curl
$data = curl_exec($ch);
//返回结果
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");
}
}
//数组转换成xml
private function arrayToXml($arr) {
$xml = "<xml>";
foreach ($arr as $key => $val) {
if (is_array($val)) {
$xml .= "<" . $key . ">" . arrayToXml($val) . "</" . $key . ">";
} else {
$xml .= "<" . $key . ">" . $val . "</" . $key . ">";
}
}
$xml .= "</xml>";
return $xml;
}
//xml转换成数组
private function xmlToArray($xml) {
//禁止引用外部xml实体
libxml_disable_entity_loader(true);
$xmlstring = simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA);
$val = json_decode(json_encode($xmlstring), true);
return $val;
}
//微信小程序接口
private function weixinapp() {
//统一下单接口
$unifiedorder = $this->unifiedorder();
// 统一下单出错，参数出错等原因
if($unifiedorder['return_code'] == 'FAIL') {
$retrunInfo['code'] = 0;
$retrunInfo['msg'] = $unifiedorder['return_msg'];
return $retrunInfo;
}
// print_r($unifiedorder);
// die;
$parameters = array(
'appId' => $this->appid, // 小程序ID
'timeStamp' => '' . time() . '', // 时间戳
'nonceStr' => $this->createNoncestr(), // 随机串
'package' => 'prepay_id=' . $unifiedorder['prepay_id'], // 数据包
'signType' => 'MD5' // 签名方式
);
// 小程序发起支付签名
$parameters['paySign'] = $this->getSign($parameters);
// 成功返回
$retrunInfo['code'] = 1;
$retrunInfo['msg'] = $parameters;
return $retrunInfo;
}
//作用：产生随机字符串，不长于32位
private function createNoncestr($length = 32) {
$chars = "abcdefghijklmnopqrstuvwxyz0123456789";
$str = "";
for ($i = 0; $i < $length; $i++) {
$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
}
return $str;
}
//作用：生成签名
private function getSign($Obj) {
foreach ($Obj as $k => $v) {
$Parameters[$k] = $v;
}
//签名步骤一：按字典序排序参数
ksort($Parameters);
$String = $this->formatBizQueryParaMap($Parameters, false);
//签名步骤二：在string后加入KEY
$String = $String . "&key=" . $this->key;
//签名步骤三：MD5加密
$String = md5($String);
//签名步骤四：所有字符转为大写
$result_ = strtoupper($String);
return $result_;
}
// 作用：格式化参数，签名过程需要使用
private function formatBizQueryParaMap($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 $reqPar;
}
/*微信支付的 异步通知 *回调地址*/
/**回调修改2018-05-04**/
public function notifyUrlApi() {
//$xml = post_data();
$xml = file_get_contents('php://input', 'r');
//将服务器返回的XML数据转化为数组
$data = $this->toArray($xml);
// 判断签名是否正确 判断支付状态
if (($data['return_code'] == 'SUCCESS') && ($data['result_code'] == 'SUCCESS')) {
$result = $data;
//获取服务器返回的数据
$order_sn = $data['out_trade_no']; // 订单单号
$openid = $data['openid']; // 付款人openID
$total_fee = ($data['total_fee'])/100; // 付款金额
$transaction_id = $data['transaction_id']; // 微信支付流水号
//查找订单
$order = Db::name('order')
->field('userid,status,order_type')
->where('status', 0) // 订单状态 0未支付 1支付成功 2取消订单
->where('order_no', $order_sn)
->find();
if($order) { // 订单是否存在
Db::startTrans();
try {
Db::name('order') // 更新订单状态(order)
->where('order_no', $order_sn)
->update(['transaction_no' => $transaction_id, 'status' => 1]);
if ($order['order_type'] == 0) { // 更新圈子总金额
$order_recharge_record = Db::name('order_recharge_record')
->where('order_no', $order_sn)
->find();
Db::name('circle')
->where('id', $order_recharge_record['circleid'])
->setInc('total_amount', $total_fee);
} else if ($order['order_type'] == 1) { // 更新用户金额
Db::name('user')
->where('id', $order['userid'])
->setInc('balance', $total_fee);
} else if ($order['order_type'] == 2) { // 更新任务状态
$order_recharge_record = Db::name('order_recharge_record')
->where('order_no', $order_sn)
->find();
$task_ok_UPDATE['ok'] = 1;
$task_ok_UPDATE['ok_time'] = time();
// 更新任务表
Db::name('task')
->where('task_no', $order_recharge_record['taskno'])
->update($task_ok_UPDATE);
// 更新任务详细记录表
Db::name('task_record')
->where('task_no', $order_recharge_record['taskno'])
->update($task_ok_UPDATE);
}else if ($order['order_type'] == 3) { // 更新vip状态
$order_recharge_record = Db::name('order_recharge_record')
->where('order_no', $order_sn)
->find();
$task_ok_UPDATE['ok'] = 1;
$task_ok_UPDATE['ok_time'] = time();
// 更新任务表
Db::name('user_vip')
->where('vip_no', $order_recharge_record['vip_no'])
->update($task_ok_UPDATE);
// 更新任务详细记录表
Db::name('user_vip_record')
->where('vip_no', $order_recharge_record['vip_no'])
->update($task_ok_UPDATE);
$Vipuserid = Db::name('user_vip_record')->field(true)->where('vip_no', $order_recharge_record['vip_no'])->select();
$user_WHERE['id'] = ['in', array_column($Vipuserid, 'userid')];
Db::name('user')->where($user_WHERE)->update(['vip' => 1]);
}else if ($order['order_type'] == 4) { // 更新红包状态
$order_recharge_record = Db::name('order_recharge_record')
->where('order_no', $order_sn)
->find();
$task_ok_UPDATE['ok'] = 1;
$task_ok_UPDATE['ok_time'] = time();
// 更新任务表
Db::name('redpacket')
->where('red_id', $order_recharge_record['red_id'])
->update($task_ok_UPDATE);
}
Db::commit();
}catch (Exception $e) {
$result = false;
Db::rollback();
}
//$update['total_fee'] = $total_fee; // 保存支付成功的金额
// $update['transaction_no'] = $transaction_id; // 保存支付商户号对应的ID号
// $update['status'] = 1; // 订单状态 0未支付 1支付成功 2取消订单
// /**更新订单**/
// Db::name('order')
// ->where('status', 0) // 订单状态 0未支付 1支付成功 2取消订单
// ->where('order_no', $order_sn)
// ->update($update);
}else{ // 订单不存在
$result = false;
}
}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>';
}
echo $str;
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;
}
}
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