授权获取二维码类：
php/** * trade类 * @author xyyphp * @date 2016/10/10 */abstract class tradecontroller extends basecontroller{ protected $mchid; protected $appid; protected $key; public function init() { parent::init(); $this->mchid = wx_mchid; // 微信支付商户号 partnerid 通过微信支付商户资料审核后邮件发送 $this->appid = wx_appid; //公众号appid 通过微信支付商户资料审核后邮件发送 $this->key = wx_apikey; //https://pay.weixin.qq.com 帐户设置-安全设置-api安全-api密钥-设置api密钥 } /** * @param string $openid 调用【网页授权获取用户信息】接口获取到用户在该公众号下的openid * @param float $totalfee 收款总费用 单位元 * @param string $outtradeno 唯一的订单号 * @param string $ordername 订单名称 * @param string $notifyurl 支付结果通知url 不要有问号 * https://mp.weixin.qq.com/ 微信支付-开发配置-测试目录 * 测试目录 http://mp.izhanlue.com/paytest/ 最后需要斜线，(需要精确到二级或三级目录) * @return string */ public function createjsbizpackage($totalfee, $outtradeno, $ordername, $notifyurl, $timestamp) { $config = array( 'mch_id' => $this->mchid, 'appid' => $this->appid, 'key' => $this->key, ); $unified = array( 'appid' => $config['appid'], 'attach' => '支付', //商家数据包，原样返回 'body' => $ordername, 'mch_id' => $config['mch_id'], 'nonce_str' => $this->createnoncestr(), 'notify_url' => $notifyurl, //'openid' => $openid, //rade_type=jsapi，此参数必传 'out_trade_no' => $outtradeno, 'spbill_create_ip' => '127.0.0.1', 'total_fee' => intval($totalfee * 100), //单位 转为分 'trade_type' => 'native', ); $unified['sign'] = $this->getsign($unified, $config['key']); $responsexml = $this->curlpost('https://api.mch.weixin.qq.com/pay/unifiedorder', $this->arraytoxml($unified)); /* */ $unifiedorder = simplexml_load_string($responsexml, 'simplexmlelement', libxml_nocdata); if ($unifiedorder === false) { die('parse xml error'); } if ($unifiedorder->return_code != 'success') { die($unifiedorder->return_msg); } if ($unifiedorder->result_code != 'success') { die($unifiedorder->err_code); /* noauth 商户无此接口权限 notenough 余额不足 orderpaid 商户订单已支付 orderclosed 订单已关闭 systemerror 系统错误 appid_not_exist appid不存在 mchid_not_exist mchid不存在 appid_mchid_not_match appid和mch_id不匹配 lack_params 缺少参数 out_trade_no_used 商户订单号重复 signerror 签名错误 xml_format_error xml格式错误 require_post_method 请使用post方法 post_data_empty post数据为空 not_utf8 编码格式错误 */ } //$unifiedorder->trade_type 交易类型 调用接口提交的交易类型，取值如下：jsapi，native，app //$unifiedorder->prepay_id 预支付交易会话标识 微信生成的预支付回话标识，用于后续接口调用中使用，该值有效期为2小时 //$unifiedorder->code_url 二维码链接 trade_type为native是有返回，可将该参数值生成二维码展示出来进行扫码支付 $code_list = (array)$unifiedorder->code_url; $arr = array( appid => $config['appid'], timestamp => $timestamp, noncestr => $this->createnoncestr(), package => prepay_id= . $unifiedorder->prepay_id, signtype => 'md5', code_url => $code_list[0] ); $arr['paysign'] = $this->getsign($arr, $config['key']); return $arr; } /** * 查询订单 */ public function orderquery($outtradeno) { $config = array( 'mch_id' => $this->mchid, 'appid' => $this->appid, 'key' => $this->key, ); $unified = array( 'appid' => $config['appid'], 'mch_id' => $config['mch_id'], 'out_trade_no' => $outtradeno, 'nonce_str' => $this->createnoncestr() ); $unified['sign'] = $this->getsign($unified, $config['key']); $responsexml = $this->curlpost('https://api.mch.weixin.qq.com/pay/orderquery', $this->arraytoxml($unified)); /* */ $unifiedorder = simplexml_load_string($responsexml, 'simplexmlelement', libxml_nocdata); if ($unifiedorder === false) { die('parse xml error'); } if ($unifiedorder->return_code != 'success') { die($unifiedorder->return_msg); } if ($unifiedorder->result_code != 'success') { die($unifiedorder->err_code); /* noauth 商户无此接口权限 notenough 余额不足 orderpaid 商户订单已支付 orderclosed 订单已关闭 systemerror 系统错误 appid_not_exist appid不存在 mchid_not_exist mchid不存在 appid_mchid_not_match appid和mch_id不匹配 lack_params 缺少参数 out_trade_no_used 商户订单号重复 signerror 签名错误 xml_format_error xml格式错误 require_post_method 请使用post方法 post_data_empty post数据为空 not_utf8 编码格式错误 */ } //$unifiedorder->trade_type 交易类型 调用接口提交的交易类型，取值如下：jsapi，native，app //$unifiedorder->prepay_id 预支付交易会话标识 微信生成的预支付回话标识，用于后续接口调用中使用，该值有效期为2小时 //$unifiedorder->code_url 二维码链接 trade_type为native是有返回，可将该参数值生成二维码展示出来进行扫码支付 /* public 'return_code' => string 'success' (length=7) public 'return_msg' => string 'ok' (length=2) public 'appid' => string 'wx406c5455be1a2590' (length=18) public 'mch_id' => string '1398638602' (length=10) public 'nonce_str' => string 'lyt2zgfee9g0di4w' (length=16) public 'sign' => string 'f942bb644e72fe29936c80e6780d8d8a' (length=32) public 'result_code' => string 'success' (length=7) public 'out_trade_no' => string '1476157452' (length=10) public 'trade_state' => string 'notpay' (length=6) public 'trade_state_desc' => string '订单未支付' (length=15) */ //已结支付 /* object(simplexmlelement)[26] public 'return_code' => string 'success' (length=7) public 'return_msg' => string 'ok' (length=2) public 'appid' => string 'wx406c5455be1a2590' (length=18) public 'mch_id' => string '1398638602' (length=10) public 'nonce_str' => string '6cfpznc5btyz02x0' (length=16) public 'sign' => string 'f01c79bd0fc4bc4fe38231ba92a91201' (length=32) public 'result_code' => string 'success' (length=7) public 'openid' => string 'ojidvucvrwemrgau-dfobiitttpk' (length=28) public 'is_subscribe' => string 'n' (length=1) public 'trade_type' => string 'native' (length=6) public 'bank_type' => string 'cft' (length=3) public 'total_fee' => string '1' (length=1) public 'fee_type' => string 'cny' (length=3) public 'transaction_id' => string '4001652001201610116386495939' (length=28) public 'out_trade_no' => string '1476161468' (length=10) public 'attach' => string '支付' (length=6) public 'time_end' => string '20161011125205' (length=14) public 'trade_state' => string 'success' (length=7) public 'cash_fee' => string '1' (length=1) */ if (isset($unifiedorder->trade_state_desc)){ $msg = 订单未支付; } if (isset($unifiedorder->transaction_id)){ $msg = 已支付; } return $msg; } protected function notify() { $config = array( 'mch_id' => $this->mchid, 'appid' => $this->appid, 'key' => $this->key, ); $poststr = $globals[http_raw_post_data]; /* $poststr = '1'; */ $postobj = simplexml_load_string($poststr, 'simplexmlelement', libxml_nocdata); if ($postobj === false) { die('parse xml error'); } if ($postobj->return_code != 'success') { die($postobj->return_msg); } if ($postobj->result_code != 'success') { die($postobj->err_code); } $arr = (array)$postobj; unset($arr['sign']); if ($this->getsign($arr, $config['key']) == $postobj->sign) { // $mch_id = $postobj->mch_id; //微信支付分配的商户号 // $appid = $postobj->appid; //微信分配的公众账号id // $openid = $postobj->openid; //用户在商户appid下的唯一标识 // $transaction_id = $postobj->transaction_id;//微信支付订单号 // $out_trade_no = $postobj->out_trade_no;//商户订单号 // $total_fee = $postobj->total_fee; //订单总金额，单位为分 // $is_subscribe = $postobj->is_subscribe; //用户是否关注公众账号，y-关注，n-未关注，仅在公众账号类型支付有效 // $attach = $postobj->attach;//商家数据包，原样返回 // $time_end = $postobj->time_end;//支付完成时间 echo ''; return $postobj; } } /** * curl get * @param string $url * @param array $options * @return mixed */ private function curlget($url = '', $options = array()) { $ch = curl_init($url); curl_setopt($ch, curlopt_returntransfer, 1); curl_setopt($ch, curlopt_timeout, 30); if (!empty($options)) { curl_setopt_array($ch, $options); } //https请求 不验证证书和host curl_setopt($ch, curlopt_ssl_verifypeer, false); curl_setopt($ch, curlopt_ssl_verifyhost, false); $data = curl_exec($ch); curl_close($ch); return $data; } /** * curl post * @param string $url * @param array $options * @return mixed */ private function curlpost($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, $options); } //https请求 不验证证书和host curl_setopt($ch, curlopt_ssl_verifypeer, false); curl_setopt($ch, curlopt_ssl_verifyhost, false); $data = curl_exec($ch); curl_close($ch); return $data; } /** * 随机生成一定长度字符串 * @param string $url * @param array $options * @return mixed */ private function createnoncestr($length = 16) { $chars = 'abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789'; $str = ''; for ($i = 0; $i $length; $i++) { $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1); } return $str; } /** * 数组转成xml * @param string $url * @param array $options * @return mixed */ private function arraytoxml($arr) { $xml = ; foreach ($arr as $key => $val) { if (is_numeric($val)) { $xml .= $key . > . $val . . $key . >; } else $xml .= $key . >$val . ]]> . $key . >; } $xml .= ; return $xml; } /** * 例如： * appid： wxd930ea5d5a258f4f * mch_id： 10000100 * device_info： 1000 * body： test * nonce_str： ibuaivckdprxkhja * 第一步：对参数按照 key=value 的格式，并按照参数名 ascii 字典序排序如下： * stringa=appid=wxd930ea5d5a258f4f&body=test&device_info=1000&mch_i * d=10000100&nonce_str=ibuaivckdprxkhja; * 第二步：拼接支付密钥： * stringsigntemp=stringa&key=192006250b4c09247ec02edce69f6a2d * sign=md5(stringsigntemp).touppercase()=9a0a8659f005d6984697e2ca0a9cf3b7 */ private function getsign($params, $key) { ksort($params, sort_string); $unsignparastring = $this->formatqueryparamap($params, false); $signstr = strtoupper(md5($unsignparastring . &key= . $key)); return $signstr; } /** * 签名时字符组合 * @param string $url * @param array $options * @return mixed */ private function formatqueryparamap($paramap, $urlencode = false) { $buff = ; ksort($paramap); foreach ($paramap as $k => $v) { if (null != $v && null != $v) { if ($urlencode) { $v = urlencode($v); } $buff .= $k . = . $v . &; } } $reqpar = ''; if (strlen($buff) > 0) { $reqpar = substr($buff, 0, strlen($buff) - 1); } return $reqpar; }}
调取实例：
$money = 0.1;//订单金额$out_trade_no = 'test_8888888';//唯一的订单号$order_name = '测试订单';//订单名称$notifyurl = 'http://www.test.com/';//支付结果通知url 不要有问号$timestamp = time();//时间戳//获取二维码信息$wx_result = $this->createjsbizpackage($money, $out_trade_no, $order_name, $notifyurl, $timestamp);//检测支付状态$str_status = $this->orderquery($out_trade_no);