小程序支付

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<?php   /**  * Created by PhpStorm.  * User: zb  * Date: 17-10-9  * Time: 下午7:15  */ class PaysAction extends CommonAction {     public function _initialize(){         parent::_initialize();     }       public function pay(){         $openid = trim($_POST['openid']);         $total_price = (float)$_POST['total_price'] * 100;//~~~~         $coupon_id = (int)$_POST['coupon_id'];         $coupon_price = (float)$_POST['coupon_price'] * 100;         $order_remark = trim($_POST['order_remark']);         $old_order_num = trim($_POST['order_num']);//有order_num,再来一单购买         if ($old_order_num == 'undefined'){             $old_order_num = '';         }         $product_id = (int)$_POST['product_id'];//有product_id,立即购买~~~~NaN,undefined在int转化后都为0;             if (!$openid){             $this->json->setErr(10000,'缺少参数');             $this->json->Send();         }         $user = M('user');         $tel_flag = $user->where(array('openid'=>$openid))->find();         if (!$tel_flag || !$tel_flag['id']){             $this->json->setErr(10001,'未绑定手机号');             $this->json->Send();         }         $uid = $tel_flag['id'];         if ($total_price <= 0){             $this->json->setErr(10002,'支付金额不可为0或负数');             $this->json->Send();         }         $order_info = $this->makeorder($old_order_num,$product_id,$openid,$uid,$total_price,$coupon_id,$coupon_price,$order_remark);         $order_num = $order_info['order_num'];         $products_name = $order_info['products_name'];             $unifiedorder = $this->unifiedorder($openid,$order_num,$total_price,$products_name);         $data = [             'appId'     => C('APPID'),             'timeStamp' => time(),             'nonceStr'  => $this->createNonceStr(),             'package'   => 'prepay_id='.$unifiedorder['prepay_id'],             'signType'  => 'MD5'         ];           $sign = $this->MakeSign($data);         $data['sign'] = $sign;         $this->json->setAttr('data',$data);         $this->json->Send();     }         /***    生成订单    优惠券处理      * @param $openid      * @param $uid      * @param $total_price      * @param $coupon_id user_coupon中的id字段,而非coupon_id字段      * @param $coupon_price 用户实际获取优惠额度,而非一定是表格中的price字段;      * @param $order_remark 用户提交订单的备注信息;      * @param $old_order_num 如有此参数,再来一单购买      * @param $product_id 立即购买方式      * @param order表格中的status字段     1未支付;2已支付;3已申请退款;4已退款；5已完成      * @return string      */     private function makeorder($old_order_num='',$product_id=0,$openid,$uid,$total_price,$coupon_id,$coupon_price,$order_remark){         $order = M('order');         $now = time();         if ($old_order_num && !$product_id){             $order_num = 'os'.$uid.substr($now,3).rand(1000,9999);  //生成12位以上订单号~~~~如果开头有os,表示从order_shoppingcar转变而来             $shoppingcar = M('order_shoppingcar');//~~~~         }elseif($product_id && !$old_order_num){             $order_num = 'qs'.$uid.substr($now,3).rand(1000,9999);  //生成12位以上订单号~~~~如果开头有qs,表示从quickbuy_shoppingcar转变而来             $shoppingcar = M('quickbuy_shoppingcar');//~~~~         }else{             $order_num = $uid.substr($now,3).rand(1000,9999);       //生成12位以上订单号             $shoppingcar = M('shoppingcar');//~~~~         }           $order_add_data = [             'order_num'     =>  $order_num,             'uid'           =>  $uid,             'coupon_id'     =>  $coupon_id,             'coupon_price'  =>  $coupon_price,             'total_price'   =>  $total_price,//订单价格             'status'        =>  1,             'addtime'       =>  $now,//订单生成时间             'remark'        =>  $order_remark         ];         $order_add_flag = $order->add($order_add_data); //        $sql = $order->getLastSql(); //        $this->json->setAttr('sql',$sql); //        $this->json->Send();             if (!$order_add_flag){             $this->json->setErr(10003,'生成订单失败');             $this->json->Send();         }         $return_data['order_num'] = $order_num;         $map = array(             'openid'    =>  $openid,             'pnum'      =>  array('gt',0)         );           $shoppingcar_flag = $shoppingcar->where($map)->field('pid,pnum')->order('updatetime desc')->select();         $shoppingcar_count = count($shoppingcar_flag);         $product = M('product');         $order_product = M('order_product');         $products_name = '';         for ($i=0;$i<$shoppingcar_count;$i++){             $product_flag = $product->where(array('id'=>$shoppingcar_flag[$i]['pid']))->find();             //如果该产品已下架或删除,购物车数据中该产品要剔除             if ($product_flag['status'] == '0' || ($product_flag['is_del'] == '1')){                 unset($shoppingcar_flag[$i]);                 continue;             }             if (!$products_name){                 $products_name .= $product_flag['title'];             }else{                 $products_name .= '-'.$product_flag['title'];             }             $product_add_data = [                 'order_id'  =>  $order_add_flag,                 'uid'       =>  $uid,                 'pid'       =>  $shoppingcar_flag[$i]['pid'],                 'pnum'      =>  $shoppingcar_flag[$i]['pnum'],                 'p_name'    =>  $product_flag['title'],                 'p_price'   =>  $product_flag['price'],                 'addtime'   =>  $now             ];             $product_add_flag = $order_product->add($product_add_data);             if (!$product_add_flag){                 $this->json->setErr(10004,'订单产品数据添加失败');                 $this->json->Send();             }         }         $return_data['products_name'] = $products_name;         return $return_data;     }       private function createNonceStr($length = 16) {         $chars = "abcdefghijklmnopqrstuvwxyz0123456789";         $str ="";         for ( $i = 0; $i < $length; $i++ )  {             $str .= substr($chars, mt_rand(0, strlen($chars)-1), 1);         }         return $str;     }       public function unifiedorder($openid,$order_num,$total_fee,$products_name){         $trade_no = $order_num;         $url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';         $data = [             'appid'             => C('APPID'),             'mch_id'            => C('MCHID'),             'nonce_str'         => $this->createNonceStr(),             'sign_type'         => 'MD5',             'body'              =>  $products_name,  //商品名称组合             'attach'            => '****-附加数据',             //'detail'            => '*****线上销售',             'out_trade_no'      => $trade_no,               //订单号             'fee_type'          => 'CNY',             'total_fee'         => $total_fee,       //$total_fee,   for test~~~             'spbill_create_ip'  => $_SERVER['REMOTE_ADDR'], //            'time_start'        => $this->getMillisecond(),             'goods_tag'         => '******-商品标记',             'notify_url'        => 'https://**************/api.php/Pays/order_notice',             'trade_type'        => 'JSAPI',             'openid'            => $openid         ];        $sign = $this->MakeSign($data);        $data['sign'] = $sign;          $xml = $this->ToXml($data);          vendor('Func.Http');        $result = $this->FromXml(Http::postXmlCurl($url,$xml));         return $result;     }         public function FromXml($xml)     {         if(!$xml){             throw new WxPayException("xml数据异常！");         }         //将XML转为array         //禁止引用外部xml实体         libxml_disable_entity_loader(true);         $this->values = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);         return $this->values;     }       private  function getMillisecond()     {         //获取毫秒的时间戳         $time = explode ( " ", microtime () );         $time = $time[1] . ($time[0] * 1000);         $time2 = explode( ".", $time );         $time = $time2[0];         return $time;     }       public function getSign(){         $appid = C('APPID');         $nocestr = $this->createNonceStr();         $timeStamp = time();         }       public function ToXml($array)     {           if(!is_array($array)             || count($array) <= 0)         {            return ;         }           $xml = '<xml version="1.0">';         foreach ($array as $key=>$val)         {               if (is_numeric($val)){               $xml.="<".$key.">".$val."</".$key.">";             }else{                 $xml.="<".$key."><![CDATA[".$val."]]></".$key.">";             }         }         $xml.="</xml>";         return $xml;     }       private function MakeSign($data)     {         //签名步骤一：按字典序排序参数         ksort($data);           $string = $this->ToUrlParams($data);         //签名步骤二：在string后加入KEY         $string = $string . "&key=".C('WEIXIN_PAY_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 $result;       }       private function ToUrlParams($array)     {         $buff = "";         foreach ($array as $k => $v)         {             if($k != "sign" && $v != "" && !is_array($v)){                 $buff .= $k . "=" . $v . "&";             }         }           $buff = trim($buff, "&");         return $buff;     }       //微信支付回调     public function order_notice(){         $xml = $GLOBALS['HTTP_RAW_POST_DATA'];   // 这句file_put_contents是用来查看服务器返回的XML数据 测试完可以删除了~~for test //        vendor('Func.Func'); //        $hostname = 'http://'.Func::getHostName(); //        $path = $hostname.'/static/log2.txt'; //        file_put_contents($path,$xml);           //将服务器返回的XML数据转化为数组         //$data = self::xml2array($xml);         $data = $this->FromXml($xml);           // 保存微信服务器返回的签名sign         $data_sign = $data['sign'];         // sign不参与签名算法         unset($data['sign']);         //$sign = self::makeSign($data);         $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;             //获取服务器返回的数据             $order_num = $data['out_trade_no'];         //订单单号             $openid = $data['openid'];                  //付款人openID             $total_fee = $data['total_fee'];            //付款金额             $transaction_id = $data['transaction_id'];  //微信支付流水号               $user = M('user');             $user_flag = $user->where(array('openid'=>$openid))->field('id')->find();             $uid = $user_flag['id'];               $save_data = array(                 'total_payed_price' =>  $total_fee,     //实际到帐金额                 'transaction_id'    =>  $transaction_id,                 'paytime'           =>  time(),                 'status'            =>  2       //1未支付;2已支付;3已申请退款;4已退款；5已完成             );               $order = M('order');             $order_save_flag = $order->where(array('order_num'=>$order_num,'uid'=>$uid))->save($save_data);                 //优惠券信息处理~~~~~发起订单还未必就支付~~~~~支付成功才处理             $order_coupon_flag = $order->where(array('order_num'=>$order_num,'uid'=>$uid))->field('coupon_id,id')->find();             $coupon_id = $order_coupon_flag['coupon_id'];             if ($coupon_id){                 $user_coupon = M('user_coupon');                 $coupon_save_data = array(                     'is_use'       =>  1,                     'oid'          =>  $order_coupon_flag['id'],        //~~~~order订单的id                     'update_time'  =>  time()                 );                   $user_coupon_save_flag = $user_coupon->where(array('id'=>$coupon_id))->save($coupon_save_data);                 $user_coupon_find_flag = $user_coupon->where(array('id'=>$coupon_id))->field('coupon_id')->find();                 if ($user_coupon_save_flag){                     $coupon = M('coupon');                     $coupon->where(array('id'=>$user_coupon_find_flag['coupon_id']))->setInc('used_number','+1');                 }             }             //购物车信息清理             // 1.订单号数字开头,立即购买方式,清空shoppingcar;             // 2.订单号开头有sn,再来一单购买方式,清空order_shoppingcar(进入我的订单会清理),一定不要清理了shoppingcar             // 2.订单号开头有qn,立即购买方式,清空quickbuy_shoppingcar(立即购买触发时间前会清理),一定不要清理了shoppingcar             if (preg_match('/^(os)/',$order_num)){                 $shoppingcar = M('order_shoppingcar');             }elseif(preg_match('/^(qs)/',$order_num)){                 $shoppingcar = M('quickbuy_shoppingcar');             }else{                 $shoppingcar = M('shoppingcar');             }             $clear_data['pnum'] = 0;             $shoppingcar->where(array('openid'=>$openid))->save($clear_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>';         }         echo $str;         return $result;     }     }<br><br><br><br><br>go_to_pay: function (e) {<br>      var that = this;<br>      var coupon_id = parseInt(e.currentTarget.dataset.coupon_id);//user_coupon的id<br>      var coupon_price = e.currentTarget.dataset.coupon_price;//实际优惠价格<br>      var total_price = e.currentTarget.dataset.total_price;<br>      var products_name = e.currentTarget.dataset.products_name;<br>      var order_num = e.currentTarget.dataset.order_num;//可以'',undefined<br>      var product_id = parseInt(e.currentTarget.dataset.product_id);//undefined转化int->NaN<br>      var input_order_remark = that.data.input_order_remark;<br><br>      wx.request({<br>            url: 'https://**************.net/api.php/Pays/pay',<br>            header: { 'content-type': 'application/x-www-form-urlencoded' },<br>            data: {<br>                  openid: app.globalData.open_id,<br>                  total_price: total_price,<br>                  order_num: order_num,<br>                  product_id: product_id,<br>                  coupon_id: coupon_id,<br>                  coupon_price: coupon_price,<br>                  order_remark: input_order_remark,<br>            },<br>            method: 'POST',   //注意header<br>            success: function (res) {<br>                  if (res.errno) {<br>                        wx.showToast(res.errdesc);<br>                        return;<br>                  }<br>                  var datas = res.data;<br>                  //console.log(typeof datas.data.timeStamp);<br>                  wx.requestPayment({<br>                        'timeStamp': datas.data.timeStamp.toString(),<br>                        'nonceStr': datas.data.nonceStr,<br>                        'package': datas.data.package,<br>                        'signType': 'MD5',<br>                        'paySign': datas.data.sign,<br>                        'success': function (res) {<br>                              console.log('支付成功');<br>                              console.log(res);<br>                              //return;<br>                        },<br>                        'fail': function (res) {<br>                              console.log('支付失败');<br>                              //console.log(res);<br>                              return;<br>                        },<br>                        'complete': function (res) {<br>                              console.log('支付完成');<br>                              console.log(res);<br>                              if (res.errMsg == 'requestPayment:ok') {<br>                                    wx.navigateTo({<br>                                          url: '/pages/pay/pay_success?products_name=' + products_name<br>                                    })<br>                              }<br>                              return;<br>                        }<br>                  });<br>                  // console.log(res.data);<br>            }<br>      })<br>},