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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));
#/*
#<xml>
#<return_code><![CDATA[SUCCESS]]></return_code>
#<return_msg><![CDATA[OK]]></return_msg>
#<appid><![CDATA[wx00e5904efec77699]]></appid>
#<mch_id><![CDATA[1220647301]]></mch_id>
#<nonce_str><![CDATA[1LHBROsdmqfXoWQR]]></nonce_str>
#<sign><![CDATA[ACA7BC8A9164D1FBED06C7DFC13EC839]]></sign>
#<result_code><![CDATA[SUCCESS]]></result_code>
#<prepay_id><![CDATA[wx2015032016590503f1bcd9c30421762652]]></prepay_id>
#<trade_type><![CDATA[JSAPI]]></trade_type>
#</xml>
#*/
$unifiedOrder = simplexml_load_string($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));
#/*
#<xml><return_code><![CDATA[SUCCESS]]></return_code>
#<return_msg><![CDATA[OK]]></return_msg>
#<appid><![CDATA[wx406c5455be1a2590]]></appid>
#<mch_id><![CDATA[1398638602]]></mch_id>
#<nonce_str><![CDATA[ousUeAEvH6KlDiGe]]></nonce_str>
#<sign><![CDATA[D8BFB54A52C324238D5A4BA8C8BC6D01]]></sign>
#<result_code><![CDATA[SUCCESS]]></result_code>
#<out_trade_no><![CDATA[1476157452]]></out_trade_no>
#<trade_state><![CDATA[NOTPAY]]></trade_state>
#<trade_state_desc><![CDATA[订单未支付]]></trade_state_desc>
#</xml>
#*/
$unifiedOrder = simplexml_load_string($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 = '<xml>
#<appid><![CDATA[wx00e5904efec77699]]></appid>
#<attach><![CDATA[支付测试]]></attach>
#<bank_type><![CDATA[CMB_CREDIT]]></bank_type>
#<cash_fee><![CDATA[1]]></cash_fee>
#<fee_type><![CDATA[CNY]]></fee_type>
#<is_subscribe><![CDATA[Y]]></is_subscribe>
#<mch_id><![CDATA[1220647301]]></mch_id>
#<nonce_str><![CDATA[a0tZ41phiHm8zfmO]]></nonce_str>
#<openid><![CDATA[oU3OCt5O46PumN7IE87WcoYZY9r0]]></openid>
#<out_trade_no><![CDATA[550bf2990c51f]]></out_trade_no>
#<result_code><![CDATA[SUCCESS]]></result_code>
#<return_code><![CDATA[SUCCESS]]></return_code>
#<sign><![CDATA[F6F519B4DD8DB978040F8C866C1E6250]]></sign>
#<time_end><![CDATA[20150320181606]]></time_end>
#<total_fee>1</total_fee>
#<trade_type><![CDATA[JSAPI]]></trade_type>
#<transaction_id><![CDATA[1008840847201503200034663980]]></transaction_id>
#</xml>';
#*/
$postObj = simplexml_load_string($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 '<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>';
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)
{
$xml = "<xml>";
foreach ($arr as $key => $val) {
if (is_numeric($val)) {
$xml .= "<" . $key . ">" . $val . "</" . $key . ">";
} else
$xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">";
}
$xml .= "</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);