TP5微信支付
public function pay($openid,$fee,$test)
{
//參數定義
$appid='APPID';
$appsecret='秘鑰';
$mch_id=‘商戶號’;
$notify_url='異步回調地址';
//獲取openid
/*if(I("post.userid"))
{
$infos=M('weixin_users')->find(I("post.userid"));
$openid = $infos->openid;
}*/
$openid=$openid;
//支付相關設置
//$fee = I("post.total_fee");
$fee = $fee;//舉例支付0.01
$body =$test;
$nonce_str=$this->nonce_str();//隨機字符串
$out_trade_no = $this->order_number($openid);//商戶訂單號
$spbill_create_ip = '120.27.20.3';//服務器的ip【自己填寫】;
$total_fee =$fee*100;// 微信支付單位是分，所以這里需要*100
$trade_type = 'JSAPI';//交易類型 默認
//這里是按照順序的 因為下面的簽名是按照順序 排序錯誤 肯定出錯
$post['appid'] = $appid;
$post['body'] = $body;
$post['mch_id'] = $mch_id;
$post['nonce_str'] = $nonce_str;//隨機字符串
$post['notify_url'] = $notify_url;
$post['openid'] = $openid;
$post['out_trade_no'] = $out_trade_no;
$post['spbill_create_ip'] = $spbill_create_ip;//終端的ip
$post['total_fee'] = $total_fee;//總金額
$post['trade_type'] = $trade_type;
//插入微信支付表
// $pay=M('weixin_pay');
// $count=$pay->where("out_trade_no='".$out_trade_no."'")->count();
$sign = $this->sign($post);//簽名
// return $sign;
// if($count==0)
// {
// $data=array();
// $data['out_trade_no']=$out_trade_no;
// $data['status']=1;
// $data['create_time']=time();
// $data['sign']=$sign;
// $data['openid']=$openid;
// $data['total_fee']=$total_fee;
// $data['trade_type']=$trade_type;
// $data['notify_url']=$notify_url;
// $pay->add($data);
// }
$post_xml = '<xml>
<appid>'.$appid.'</appid>
<body>'.$body.'</body>
<mch_id>'.$mch_id.'</mch_id>
<nonce_str>'.$nonce_str.'</nonce_str>
<notify_url>'.$notify_url.'</notify_url>
<openid>'.$openid.'</openid>
<out_trade_no>'.$out_trade_no.'</out_trade_no>
<spbill_create_ip>'.$spbill_create_ip.'</spbill_create_ip>
<total_fee>'.$total_fee.'</total_fee>
<trade_type>'.$trade_type.'</trade_type>
<sign>'.$sign.'</sign>
</xml>';
//var_dump($post_xml);
//print_r($post_xml);die;
//統一接口prepay_id
$url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';
$xml = $this->http_request($url,$post_xml);
$array = $this->xml($xml);//全要大寫
//print_r($array);
if($array['RETURN_CODE'] == 'SUCCESS' && $array['RESULT_CODE'] == 'SUCCESS'){
$time = time();
$tmp=[];//臨時數組用于簽名
$tmp['appId'] = $appid;
$tmp['nonceStr'] = $nonce_str;
$tmp['package'] = 'prepay_id='.$array['PREPAY_ID'];
$tmp['signType'] = 'MD5';
$tmp['timeStamp'] = "$time";
$data['state'] = 200;
$data['timeStamp'] = "$time";//時間戳
$data['nonceStr'] = $nonce_str;//隨機字符串
$data['signType'] = 'MD5';//簽名算法，暫支持 MD5
$data['package'] = 'prepay_id='.$array['PREPAY_ID'];//統一下單接口返回的 prepay_id 參數值，提交格式如：prepay_id=*
$data['paySign'] = $this->sign($tmp);//簽名,具體簽名方案參見微信公眾號支付幫助文檔;
$data['out_trade_no'] = $out_trade_no;
}else{
$data['state'] = 0;
$data['text'] = "錯誤";
$data['RETURN_CODE'] = $array['RETURN_CODE'];
$data['RETURN_MSG'] = $array['RETURN_MSG'];
}
return $data;
}
//隨機32位字符串
public function nonce_str(){
$result = '';
$str = 'QWERTYUIOPASDFGHJKLZXVBNMqwertyuioplkjhgfdsamnbvcxz';
for($i=0;$i<32;$i++){
$result .= $str[rand(0,48)];
}
return $result;
}
//生成訂單號
public function order_number($openid){
//date('Ymd',time()).time().rand(10,99);//18位
return md5($openid.time().rand(10,99));//32位
}
//簽名 $data要先排好順序
public function sign($data){
$stringA = '';
foreach ($data as $key=>$value){
if(!$value) continue;
if($stringA) $stringA .= '&'.$key."=".$value;
else $stringA = $key."=".$value;
}
//echo $stringA;
$wx_key='';//申請支付后有給予一個商戶賬號和密碼，登陸后自己設置的key
$stringSignTemp = $stringA.'&key='.$wx_key;
return strtoupper(md5($stringSignTemp));
}
//curl請求
public function http_request($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 $output;
}
//獲取xml
public function xml($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;
}
public function wechatNotify()
{
//存儲微信的回調
$xml = file_get_contents("php://input");
$arr = $this -> XmlToArr($xml);
$out_trade_no = $arr['out_trade_no'];
$openid=$arr['openid'];//openid
$sign=$arr['sign'];//校驗碼
$total_fee=$arr['total_fee'];//訂單金額
$transaction_id=$arr['transaction_id'];//微信支付號
// $pay=M('weixin_pay');
// $count=$pay->where(array('out_trade_no'=>$out_trade_no))->count();
$myfile = fopen("newfile.txt", "w") or die("Unable to open file!");
$txt = $out_trade_no."\n";
fwrite($myfile, $txt);
$txt = $openid."\n";
fwrite($myfile, $txt);
$txt='count:'.$count;
fwrite($myfile, $txt);
fclose($myfile);
if($count==1)
{
$info=$pay->where(array('out_trade_no'=>$out_trade_no))->field('id,openid,total_fee')->find();
if($info['openid']==$openid && $total_fee==$info['total_fee']) {
//更新微信支付表
$data=array();
$data['update_time']=time();
$data['status']=2;
$data['transaction_id']=$transaction_id;
$pay->where("openid='".$openid."' and out_trade_no='".$out_trade_no."'")->save($data);
}
}
echo 'success';
}
public function XmlToArr($xml)
{
if($xml == '') return '';
libxml_disable_entity_loader(true);
$arr = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
return $arr;
}
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