<?phpnamespace payment;use \think\Db;/*** @author** 支付宝支付类*/class Alipay {//是否沙盒环境public $is_sandbox = false;//沙盒地址private $sandurl = '/gateway.do';//正式地址private $url = '/gateway.do';//appidprivate $appid ;//商户应用私钥private $rsaPrivateKey = '商户设置的私钥';//支付宝公钥 验签使用private $alipayPublicKey= '支付宝自动生成的公钥';//回调地址private $notify_url;//订单号private $order_id;//订单金额private $order_money;//订单描述private $order_desc;//扩展字段private $extends;private $charset = 'gbk';public function __construct($alipay, $order){$this->appid = $alipay['appID'];$this->rsaPrivateKey = $alipay['privateKey'];$this->alipayPublicKey = $alipay['publicKey'];$this->order_id = $order['order_id'];$this->order_money = $order['order_money'];$this->order_desc = $order['order_desc'];$this->notify_url = $order['notify_url'];$this->extends = $order['extends'];}/*** @author** 发起支付*/public function pay(){$time = time();$url = $this->url;//异步回调$notify_url = $this->notify_url;//请求参数的集合 json_encode$biz_content = ['out_trade_no' => $this->order_id,//'seller_id' => '''total_amount' => $this->order_money,//'discountable_amount' => '','subject' => $this->order_desc,//'goods_detail' => '',//'body' => $order['body'],//'operator_id' => '',//'store_id' => '',//'disable_pay_channels' => '',//'enable_pay_channels' => '',//'terminal_id'=> '','extend_params' => ['industry_reflux_info' => $this->extends],//'timeout_express' => '',//'settle_info' => '',//'business_params' => '',//'qr_code_timeout_express' => '',];//参数$param = ['app_id' => $this->appid,//支付宝分配给开发者的应用ID'method' => 'alipay.trade.precreate',//接口名称//'format' => 'JSON',//紧支持JSON'charset' => 'gbk',//请求使用的编码格式'sign_type' => 'RSA2',//商户生成签名字符串所使用的签名算法类型，目前支持RSA2和RSA，推荐使用RSA2'sign' => '',//商户请求参数的签名串'timestamp' => date('Y-m-d H:i:s', $time),//发送请求的时间，格式"yyyy-MM-dd HH:mm:ss"'version' => '1.0',//调用的接口版本，固定为1.0'notify_url' => $notify_url,//支付宝服务器主动通知商户服务器里指定的页面http/https路径//'app_auth_token' => '',//app_auth_token'biz_content' => json_encode($biz_content),//请求参数的集合，最大长度不限，除公共参数外所有请求参数都必须放在这个参数中传递，具体参照各产品快速接入文档];//组合生成签名参数$signdata = [];$signdata['app_id'] = $param['app_id'];$signdata['method'] = $param['method'];$signdata['charset'] = $param['charset'];$signdata['sign_type'] = $param['sign_type'];$signdata['timestamp'] = $param['timestamp'];$signdata['version'] = $param['version'];$signdata['notify_url'] = $param['notify_url'];$signdata['biz_content'] = $param['biz_content'];//生成签名$sign = $this->generateSign($signdata, 'RSA2');$param['sign'] = $sign;$content = $this->curlPost($url,$param);$return = json_decode($content, true);$return = $return['alipay_trade_precreate_response'];if($return['code'] == 10000){$out_trade_no = $return['out_trade_no'];if($out_trade_no != $this->order_id){return ['code' => -1, 'msg' => '返回订单号错误'];}//生成成功$qr_code = $return['qr_code'];$data = [];$data['order_id'] = $this->order_id;$data['code_url'] = $qr_code;return ['code' => 1 , 'msg' => '成功' , 'data' => $data];}else {file_put_contents('alipay.log', 'err code:' . $return['code'] . ', err msg:' . $return['msg'] . '\r\n', FILE_APPEND);return ['code' => -1 , 'msg' => 'err_code:' . $return['code'] . ',err_msg:' . $return['msg'].',sub_msg:'.$return['sub_msg']];}}/*** @author** @DateTime* 支付宝支付通知** @param<type> $data The data*/public function notify($data){//验签//组合验签数据$param = $data;unset($param['sign']);unset($param['sign_type']);$rst = $this->rsaCheck($param, $data['sign'] , $data['sign_type']);if($rst){//查询订单状态$order = Db::name("order")->where('order_unique', $data['out_trade_no'])->where('status', -1)->find();if(!empty($order)){$rst = true;if($rst){$time = time();Db::startTrans();try {//修改订单状态$order_data = [];$order_data['status'] =1;$order_data['pay_time'] = $time;$order_data['trade_no'] = $data['trade_no'];$rst = Db::name('order')->where('id', $order['id'])->update($order_data);Db::commit();}catch(\Exception $e){Db::rollback();file_put_contents('alipaynotify.log', '支付通知数据库操作错误:' . $e->getMessage() . '\r\n', FILE_APPEND);exit;}echo "success";exit;}else {file_put_contents('alipaynotify.log', '查询订单状态错误\r\n', FILE_APPEND);}}else {file_put_contents('alipaynotify.log', '未找到相应订单\r\n' , FILE_APPEND );exit;}}else {file_put_contents('alipaynotify.log', '验签失败\r\n' , FILE_APPEND );exit;}}/*** @author** @DateTime* 支付查询接口** @param $order* @param $status 要验证的状态 WAIT_BUYER_PAY-交易创建等待买家付款 TRADE_CLOSED-未付款交易超时关闭或支付完成后全额退款 TRADE_SUCCESS-交易支付成功 TRADE_FINISHED-交易结束不可退款* @return false*/public function orderquery($order , $status){$time = time();$url = '';$biz_content = ['out_trade_no' => $order['order_unique'],'trade_no' => $order['trade_no'],//'org_pid' => '',];$param = ['app_id' => $this->appid,'method' => 'alipay.trade.query','charset' => 'utf-8','sign_type' => 'RSA2','sign' => '','timestamp' => date('Y-m-d H:i:s', $time),'version' => '1.0','biz_content' => json_encode($biz_content),];//组合签名数组$signdata = [];$signdata['app_id'] = $param['app_id'];$signdata['method'] = $param['method'];$signdata['charset'] = $param['charset'];$signdata['sign_type'] = $param['sign_type'];$signdata['timestamp'] = $param['timestamp'];$signdata['version'] = $param['version'];$signdata['biz_content'] = $param['biz_content'];//生成签名$sign = $this->generateSign($signdata, 'RSA2');$param['sign'] = $sign;$content = $this->curlPost($url,$param);$return = json_decode($content, true);if($return['code'] == 10000){if($return['trade_status'] == $status){return true;}else {return false;}}else {return false;}}public function generateSign($params, $signType = "RSA") {return $this->sign($this->getSignContent($params), $signType);}public function getSignContent($params) {ksort($params);$stringToBeSigned = "";$i = 0;foreach ($params as $k => $v) {if (false === $this->checkEmpty($v) && "@" != substr($v, 0, 1)) {// 转换成目标字符集$v = $this->characet($v, $this->charset);if ($i == 0) {$stringToBeSigned .= "$k" . "=" . "$v";} else {$stringToBeSigned .= "&" . "$k" . "=" . "$v";}$i++;}}unset ($k, $v);file_put_contents('111.log', $stringToBeSigned );return $stringToBeSigned;}/*** 转换字符集编码* @param $data* @param $targetCharset* @return string*/function characet($data, $targetCharset) {if (!empty($data)) {$fileType = $this->charset;if (strcasecmp($fileType, $targetCharset) != 0) {$data = mb_convert_encoding($data, $targetCharset, $fileType);//$data = iconv($fileType, $targetCharset.'//IGNORE', $data);}}return $data;}/*** 校验$value是否非空* if not set ,return true;* if is null , return true;**/protected function checkEmpty($value) {if (!isset($value))return true;if ($value === null)return true;if (trim($value) === "")return true;return false;}/*** @author** 签名函数** @param<type> $dataThe data* @paramstring $signType The sign type** @return<type> ( description_of_the_return_value )*/protected function sign($data, $signType = "RSA") {$priKey=$this->rsaPrivateKey;$res = "-----BEGIN RSA PRIVATE KEY-----\n" .wordwrap($priKey, 64, "\n", true) ."\n-----END RSA PRIVATE KEY-----";($res) or die('您使用的私钥格式错误，请检查RSA私钥配置');if ("RSA2" == $signType) {openssl_sign($data, $sign, $res, version_compare(PHP_VERSION,'5.4.0', '<') ? SHA256 : OPENSSL_ALGO_SHA256); //OPENSSL_ALGO_SHA256是php5.4.8以上版本才支持} else {openssl_sign($data, $sign, $res);}$sign = base64_encode($sign);return $sign;}/*** @author** 验签函数** @param<type> $data The data 带签名数据* @param<type> $sign The sign要校对的签名结果* @paramstring $type The type** @return<type> ( description_of_the_return_value )*/public function rsaCheck($data, $sign,$type = 'RSA'){$public_key = $this->alipayPublicKey;$search = ["-----BEGIN PUBLIC KEY-----","-----END PUBLIC KEY-----","\n","\r","\r\n"];$public_key=str_replace($search,"",$public_key);$public_key=$search[0] . PHP_EOL . wordwrap($public_key, 64, "\n", true) . PHP_EOL . $search[1];$res=openssl_get_publickey($public_key);if($res){if($type == 'RSA'){$result = (bool)openssl_verify($this->getSignContent($data), base64_decode($sign), $res);}elseif($type == 'RSA2'){$result = (bool)openssl_verify($this->getSignContent($data), base64_decode($sign), $res,OPENSSL_ALGO_SHA256);}openssl_free_key($res);}else{return false;}return true;}public function curlPost($url = '', $postData = '', $options = array()){if (is_array($postData)) {$postData = http_build_query($postData);}$ch = curl_init();curl_setopt($ch, CURLOPT_URL, $url);curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);curl_setopt($ch, CURLOPT_POST, 1);curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);curl_setopt($ch, CURLOPT_TIMEOUT, 30); //设置cURL允许执行的最长秒数if (!empty($options)) {curl_setopt_array($ch, $options);}//https请求 不验证证书和hostcurl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);$data = curl_exec($ch);curl_close($ch);return mb_convert_encoding($data,'UTF-8','GBk');;}public function wapPay(){$config = [//应用ID,您的APPID。'app_id' => $this->appid,//商户私钥，您的原始格式RSA私钥'merchant_private_key' => $this->rsaPrivateKey,//异步通知地址'notify_url' => $this->notify_url,//同步跳转'return_url' => "",//编码格式'charset' => "UTF-8",//签名方式'sign_type'=>"RSA2",//支付宝网关'gatewayUrl' => $this->url,//支付宝公钥'alipay_public_key' => $this->alipayPublicKey,];//超时时间$timeout_express="1m";vendor('Alipay.wappay.buildermodel.AlipayTradeWapPayContentBuilder');$payRequestBuilder = new \AlipayTradeWapPayContentBuilder();$payRequestBuilder->setSubject($this->order_desc);$payRequestBuilder->setOutTradeNo($this->order_id);$payRequestBuilder->setTotalAmount($this->order_money);$payRequestBuilder->setTimeExpress($timeout_express);vendor('Alipay.wappay.service.AlipayTradeService');$payResponse = new \AlipayTradeService($config);return $payResponse->wapPay($payRequestBuilder,$config['return_url'],$config['notify_url']);}}
特别说明：
vendor('Alipay.wappay.buildermodel.AlipayTradeWapPayContentBuilder');$payRequestBuilder = new \AlipayTradeWapPayContentBuilder();$payRequestBuilder->setSubject($this->order_desc);$payRequestBuilder->setOutTradeNo($this->order_id);$payRequestBuilder->setTotalAmount($this->order_money);$payRequestBuilder->setTimeExpress($timeout_express);vendor('Alipay.wappay.service.AlipayTradeService');$payResponse = new \AlipayTradeService($config);return $payResponse->wapPay($payRequestBuilder,$config['return_url'],$config['notify_url']);
上面这段代码，直接引用的支付宝提供的SDK，将其放到了Vendor目录下面了。
下载的sdk，放到vendor下面即可使用，另需要修改sdk/AopSdk.php 16行。修改代码如下：
if (!defined("AOP_SDK_WORK_DIR")){define("AOP_SDK_WORK_DIR", dirname(__FILE__) . "/tmp/");}
不然会报错的哦！
最后
这个类直接放到Extend里面，直接使用！比如调用当面付：
$pay = new \payment\Alipay($alipay, $param);$data = $pay->pay();
