getContext ()->getRequest (); // 接收信息 $openid = addslashes($_POST['openid']); // 微信id $cmoney = addslashes($_POST['cmoney']); // 充值金额 $type = addslashes(trim($request->getParameter('type'))); if($type == 'PT'){ $pay = 'PT'; }else{ $pay = 'GM'; } $dingdanhao = $pay.date("ymdhis").rand(0,9).rand(0,9).rand(0,9).rand(0,9).rand(0,9).rand(0,9); $appid = ''; // 如果是公众号 就是公众号的appid $body = ''; // 公司名称 $mch_id = ''; // 商户id $mch_key = ''; // 商户key $nonce_str = ''; // 随机字符串 $notify_url = ''; $openid = $openid; // 微信id $out_trade_no = $dingdanhao; // 商户订单号 $spbill_create_ip = ''; // ip地址 // 查询系统配置 $ss = "select * from lkt_config where id = 1"; $rs = $db->select($ss); if($rs){ // 进入支付页面 $appid = $rs[0]->appid; // 如果是公众号 就是公众号的appid $body = $rs[0]->company; // 公司名称 $mch_id = $rs[0]->mch_id; // 商户id $mch_key = $rs[0]->mch_key; // 商户key $nonce_str = $this->nonce_str(); // 随机字符串 $notify_url = $rs[0]->uploadImg_domain.'/LKT/notify_url.php'; $openid = $openid; // 微信id $out_trade_no = $dingdanhao; // 商户订单号 $spbill_create_ip = $rs[0]->ip; // ip地址 } $total_fee = $cmoney*100; // 因为充值金额最小是1 而且单位为分 如果是充值1元所以这里需要*100 $trade_type = 'JSAPI'; // 交易类型 默认 // 这里是按照顺序的 因为下面的签名是按照顺序 排序错误 肯定出错 $post['appid'] = $appid; // 如果是公众号 就是公众号的appid $post['body'] = $body; // 公司名称 $post['mch_id'] = $mch_id; // 商户id $post['nonce_str'] = $nonce_str;//随机字符串 $post['notify_url'] = $notify_url; $post['openid'] = $openid; // 微信id $post['out_trade_no'] = $out_trade_no; // 商户订单号 $post['spbill_create_ip'] = $spbill_create_ip; // 终端的ip $post['total_fee'] = $total_fee; // 总金额 最低为一块钱 必须是整数 $post['trade_type'] = $trade_type; // 交易类型 $sign = $this->sign($post,$mch_key);//签名 $post_xml = ' '.$appid.' '.$body.' '.$mch_id.' '.$nonce_str.' '.$notify_url.' '.$openid.' '.$out_trade_no.' '.$spbill_create_ip.' '.$total_fee.' '.$trade_type.' '.$sign.' '; //统一接口prepay_id $url = 'https://api.mch.weixin.qq.com/pay/unifiedorder'; $xml = $this->http_request($url,$post_xml); $array = $this->xml($xml);//全要大写 if($array['RETURN_CODE'] == 'SUCCESS' && $array['RESULT_CODE'] == 'SUCCESS'){ $time = time(); $tmp=[];//临时数组用于签名 $tmp['appId'] = $appid; $tmp['nonceStr'] = $nonce_str; $tmp['package'] = 'prepay_id='.$array['PREPAY_ID']; $tmp['signType'] = 'MD5'; $tmp['timeStamp'] = "$time"; $data['state'] = 1; $data['timeStamp'] = "$time";//时间戳 $data['nonceStr'] = $nonce_str;//随机字符串 $data['signType'] = 'MD5';//签名算法，暂支持 MD5 $data['package'] = 'prepay_id='.$array['PREPAY_ID'];//统一下单接口返回的 prepay_id 参数值，提交格式如：prepay_id=* $data['paySign'] = $this->sign($tmp,$mch_key);//签名,具体签名方案参见微信公众号支付帮助文档; $data['out_trade_no'] = $out_trade_no; }else{ $data['state'] = 0; $data['text'] = "错误"; $data['RETURN_CODE'] = $array['RETURN_CODE']; $data['RETURN_MSG'] = $array['RETURN_MSG']; } echo json_encode($data); exit; } //随机32位字符串 private function nonce_str(){ $result = ''; $str = 'QWERTYUIOPASDFGHJKLZXVBNMqwertyuioplkjhgfdsamnbvcxz'; for ($i=0;$i<32;$i++){ $result .= $str[rand(0,48)]; } return $result; } //签名 $data要先排好顺序 private function sign($data,$mch_key){ $stringA = ''; foreach ($data as $key=>$value){ if(!$value) continue; if($stringA) $stringA .= '&'.$key."=".$value; else $stringA = $key."=".$value; } $wx_key = $mch_key;//申请支付后有给予一个商户账号和密码，登陆后自己设置key $stringSignTemp = $stringA.'&key='.$wx_key;//申请支付后有给予一个商户账号和密码，登陆后自己设置key return strtoupper(md5($stringSignTemp)); } //curl请求 function http_request($url,$data = null,$headers=array()) { $curl = curl_init(); if( count($headers) >= 1 ){ curl_setopt($curl, CURLOPT_HTTPHEADER, $headers); } curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE); if (!empty($data)){ curl_setopt($curl, CURLOPT_POST, 1); curl_setopt($curl, CURLOPT_POSTFIELDS, $data); } curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); $output = curl_exec($curl); curl_close($curl); return $output; } //获取xml private function xml123($xml){ $p = xml_parser_create(); xml_parse_into_struct($p, $xml, $vals, $index); xml_parser_free($p); $data = ""; foreach ($index as $key=>$value) { if($key == 'xml' || $key == 'XML') continue; $tag = $vals[$value[0]]['tag']; $value = $vals[$value[0]]['value']; $data[$tag] = $value; } return $data; } //将xml数据转换为数组,接收微信返回数据时用到 public function xml($xml) { if(!$xml){ echo "xml数据异常！"; } libxml_disable_entity_loader(true); $data = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true); foreach ($data as $key => $value) { $data[strtoupper($key)] = $value; } return $data; } } ?>