<?php
namespace addons\nzf;
use addons\unishop\model\Config;
/**
* Class WxPayService
* 微信交易接口调用核心
* @package Base\Tool
*/
class WeChatPay
{
public $unifiedOrderUrl = 'https://api.mch.weixin.qq.com/pay/unifiedorder';//统一下单API
/************************手机浏览器内web支付**************************************/
/**
*
*/
public function H5Pay($params)
{
if (empty($params['notify_url'])) {
$params['notify_url'] = Config::getByName('notify_url')['value'];
}
$data = array(
'name' => $params['name'],//名称
'order_id' => (string)$params['order_id'] . '_' . rand(1000, 9999),//支付ID
'total_fee' => (string)$params['total_fee'] * 100,//总金
'notify_url' => $params['notify_url'],//支付回调接口
'trade_type' => 'MWEB',//用户的OPENID
'scene_info' => [
'h5_info' => [
'type' => 'Wap',
'wap_url' => Config::getByName('name')['value'],
'wap_name' => Config::getByName('name')['value']
]
]
);
$getpay = $this->unifiedOrderForWeChat($data);//统一下单API
if ($getpay['flag'] == false) {
return $getpay;
}
if (empty($getpay['data']['mweb_url'])) {
return Util::returnArrEr('预支付会话异常！');
}
return Util::returnArrSu('', ['pay_url' => $getpay['data']['mweb_url']]);
}
/************************微信浏览器内web支付**************************************/
/**
* Function Description:去微信下单并获取返回
* Function Name: unifiedOrderByOrderId
* @param $params array
* $order_id string 订单表 订单ID
* $name string 产品名称
* $total_fee int 总金额 单位分
* $openid string 用户opendid
* @return array
*
* @author nzf
*/
public function webPay($params)
{
if (empty($params['notify_url'])) {
$params['notify_url'] = Config::getByName('notify_url')['value'];;
}
$data = array(
'name' => $params['name'],//名称
'order_id' => (string)$params['order_id'] . '_' . rand(1000, 9999),//支付ID
'total_fee' => (string)$params['total_fee'] * 100,//总金
'notify_url' => $params['notify_url'],//支付回调接口
'openid' => $params['openid']//用户的OPENID
);
$getPrepayId = $this->unifiedOrderForWeChat($data);//统一下单API
if ($getPrepayId['flag'] == false) {
return $getPrepayId;
}
//设置成功返回的结果数
$return = array(
'appId' => Config::getByName('app_id')['value'],//微信�?放平台审核�?�过的应用APPID
'package' => 'prepay_id=' . $getPrepayId['data']['prepay_id'],//微信返回的支付交易会话ID
'nonceStr' => self::getNonceStr(),//随机字符�?
'signType' => 'MD5',
'timeStamp' => strval(time()),//当前时间�?
);
$return['paySign'] = self::getSign($return);
return Util::returnArrSu('', array('payData' => $return, 'price' => $params['total_fee']));
}
/**
* Function Description:统一下单API
* Function Name: unifiedOrder
* @param $params array
* attach 附加数据，在查询API和支付知中原样返回，该字段主要用于商户携带订单的自定义数
* line_name 线路名称
* order_id 订单ID
* total_fee 总金
* notify_url 回调地址
*
* @return array
*
* @author nzf
*/
public function unifiedOrderForWeChat($params)
{
$data = array(
'appid' => Config::getByName('app_id')['value'],//微信开放平台审核过的应用APPID
'attach' => empty($params['attach']) ? '' : $params['attach'],
'body' => $params['name'],//产品名称
'mch_id' => Config::getByName('mch_id')['value'],//商户微信支付分配的商户号
'nonce_str' => $this->getNonceStr(),//随机字符
'notify_url' => $params['notify_url'],//通知地址
'out_trade_no' => $params['order_id'],//商户订单ID加上当前时间
'spbill_create_ip' => $_SERVER['REMOTE_ADDR'],//用户端实际ip
'total_fee' => $params['total_fee'],//订单总金额，单位为分
'trade_type' => empty($params['trade_type']) ? 'JSAPI' : $params['trade_type'],//交易类型
);
if (empty($params['openid']) == false) {//存在openid
$data['openid'] = $params['openid'];
}
if (isset($params['scene_info'])) {
$data['scene_info'] = json_encode($params['scene_info']);
}
$data['sign'] = $this->getSign($data);//交易签名
$curl = new CurlInterface($data, 2);//函数
$curl->setBaseUrl($this->unifiedOrderUrl);
$result = $curl->execute('', 'POST');
if (empty($result['prepay_id'])) {
return Util::returnArrEr('预支付交易会话异常！');
}
return Util::returnArrSu('', array('prepay_id' => $result['prepay_id'], 'mweb_url' => empty($result['mweb_url']) ? '' : $result['mweb_url']));
}
/************************扫描支付**************************************/
/**
* Function Description:去微信下单并获取返回
* Function Name: unifiedOrderByOrderId
* @param $par
* @return array
*
* @author nzf
*/
public function unifiedOrderByOrderIdForSao($par)
{
$notify_url = Config::getByName('notify_url')['value'];
$data = array(
'name' => $par['name'],//线路名称
'order_id' => (string)$par['order_id'] . '_' . rand(100, 999),//订单ID
'total_fee' => $par['total_fee'] * 100,//总金
'notify_url' => $notify_url
);
$codUrl = $this->unifiedOrderForSao($data);//统一下单API
if ($codUrl['flag'] == false) {
return $codUrl;
}
//设置成功返回的结果数�?
$url = '/fx/?r=weChat/we-chat/q-code&qCode=' . urlencode($codUrl['data']['code_url']) . '&_math=' . rand(100, 999);
return Util::returnArrSu('', array('codUrl' => $url, 'price' => $par['total_fee']));
}
/**
* Function Description:统一下单API
* Function Name: unifiedOrder
* @param $params array
* attach 附加数据，在查询API和支付知中原样返回，该字段主要用于商户携带订单的自定义数
* line_name 线路名称
* order_id 订单ID
* total_fee 总金
* notify_url 回调地址
*
* @return array
*
* @author 倪宗�?
*/
public function unifiedOrderForSao($params)
{
$data = array(
'appid' => Config::getByName('app_id')['value'],//微信�?放平台审核�?�过的应用APPID
'mch_id' => Config::getByName('mch_id')['value'],//商户�? 微信支付分配的商户号
'nonce_str' => $this->getNonceStr(),//随机字符�?
'body' => $params['name'],//线路名称 �? 上订单ID
'out_trade_no' => $params['order_id'],//商户订单ID加上当前时间
'total_fee' => $params['total_fee'],//订单总金额，单位为分
'spbill_create_ip' => $_SERVER['REMOTE_ADDR'],//用户端实际ip
'notify_url' => $params['notify_url'],//通知地址
'trade_type' => 'NATIVE',//交易类型
);
$data['sign'] = $this->getSign($data);//交易签名
$curl = new CurlInterface($data, 2);//函数�?
$curl->setBaseUrl($this->unifiedOrderUrl);
$result = $curl->execute('', 'POST');
if (empty($result['prepay_id'])) {
return Util::returnArrEr('预支付交易会话异常！');
}
return Util::returnArrSu('', array('prepay_id' => $result['prepay_id'], 'code_url' => $result['code_url']));
}
/***************************************退款****************************************/
/**
* Des:微信退款接口
* Name: cancelOrder
* @param $params
* @return array
* @author 倪宗锋
*/
public static function cancelOrder($params)
{
$arr = array(
'appid' => Config::getByName('app_id')['value'],
'mch_id' => Config::getByName('mch_id')['value'],
'nonce_str' => static::getNonceStr(),
'out_trade_no' => (string)$params['order_id'],//订单ID
'out_refund_no' => (string)date('YmdHis') . rand(100, 999),//退款ID
'total_fee' => (string)$params['total_fee'] * 100,//订单总金额 元
'refund_fee' => (string)$params['refund_fee'] * 100,//退款金额 元
'op_user_id' => Config::getByName('mch_id')['value']
);
$arr['sign'] = static::getSign($arr);
$curl = new CurlInterface($arr, 2);//函数类
$certArr = [
"SSLCERT_PATH"=>ROOT_PATH.Config::getByName('cert_path')['value'],
"SSLKEY_PATH"=>ROOT_PATH.Config::getByName('key_path')['value']
];
$curl->setCert($certArr);
$curl->setBaseUrl('https://api.mch.weixin.qq.com/secapi/pay/refund');
$result = $curl->execute('', 'POST');
if ($result['return_code'] == 'SUCCESS' && $result['result_code'] == 'SUCCESS') {
return Util::returnArrSu();
}
$msg = $result['return_msg'];
if ($msg == 'OK') {
$msg = $result['err_code_des'];
}
return Util::returnArrEr('退款失败！' . $msg);
}
/*************************************通用方法**************************************/
/**
* Des:检测是否已经支付
* Name: checkIsPay
* @param $orderId
* @return array
* @author 倪宗锋
*/
public static function checkIsPay($orderId)
{
$arr = array(
'appid' => Config::getByName('app_id')['value'],
'mch_id' => Config::getByName('mch_id')['value'],
'out_trade_no' => (string)$orderId,//订单ID
'nonce_str' => static::getNonceStr(),
);
$arr['sign'] = static::getSign($arr);
$curl = new CurlInterface($arr, 2);//函数类
$certArr = [
"SSLCERT_PATH"=>ROOT_PATH.Config::getByName('cert_path')['value'],
"SSLKEY_PATH"=>ROOT_PATH.Config::getByName('key_path')['value']
];
$curl->setCert($certArr);
$curl->setBaseUrl('https://api.mch.weixin.qq.com/pay/orderquery');
$result = $curl->execute('', 'POST');
if ($result['return_code'] == 'SUCCESS' && $result['result_code'] == 'SUCCESS') {
return Util::returnArrSu('', $result);
}
$msg = $result['return_msg'];
if ($msg == 'OK') {
$msg = $result['err_code_des'];
}
return Util::returnArrEr('退款失败！' . $msg);
}
/**
* Function Description:获取签名
* Function Name: getSign
* @param $params
* @return string
*
* @author nzf
*/
public static function getSign($params)
{
if (isset($params['sign'])) {
unset($params['sign']);
}
//签名步骤按字典序排序参
ksort($params);
$string = self::ToUrlParams($params);
//签名步骤二：在string后加入KEY
$string = $string . "&key=" . Config::getByName('key')['value'];
//签名步骤三：MD5加密
$string = md5($string);
//签名步骤四：有字符转为大
$result = strtoupper($string);
return $result;
}
/**
* Function Description:格式化参�? 格式化成url参数
* Function Name: ToUrlParams
* @param $params
*
* @return string
*
* @author 倪宗�?
*/
public static function ToUrlParams($params)
{
$buff = "";
foreach ($params as $k => $v) {
if ($k != "sign" && $v != "" && !is_array($v)) {
$buff .= $k . "=" . $v . "&";
}
}
$buff = trim($buff, "&");
return $buff;
}
/**
* Function Description:产生的随机字符串 不长
* Function Name: getNonceStr
* @param int $length
*
* @return string
*
* @author 倪宗�?
*/
public static function getNonceStr($length = 32)
{
$chars = "abcdefghijklmnopqrstuvwxyz0123456789";
$str = "";
for ($i = 0; $i < $length; $i++) {
$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
}
return $str;
}
}