thinkphp5+php微信公众号二维码扫码关注推广二维码事件实现
thinkphp5微信公众号二维码扫码关注推广二维码事件实现，
给出实现的全部方法：
获取二维码,让微信公众号跳转到以下代码的code方法即可，用户点击二维码后，通过二维码获取关注用户信息及二维码推广者信息，以及判断用户是否关注，具体代码逻辑在以下代码responseMsg方法，但需要在公众平台url配置接入到以下代码的index方法，用户关注后，则通过index方法访问responseMsg方法。
appId = 'wx17aaa90e1f107245';
$this->appSecret= '8bd13c549f07c6e365f818e113dee821';
}
// 获取code
public function code(){
$appid = 'wx17aaa90e1f107245';
$redirecturl = urlencode("http://www.neophiledesign.com/kfgzh/public/index.php/home/index/member");
$url = 'https://open.weixin.qq.com/connect/oauth2/authorize?appid='.$appid.'&redirect_uri='.$redirecturl.'&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect';
header('location:'.$url);
}
// 通过ticket换取二维码
public function wechatcode($ticket)
{
$url = 'https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket='.urlencode($ticket);
return $this->getjson($url);
}
// 二维码呈现
public function member(){
$code = $_GET['code'];
$url = 'https://api.weixin.qq.com/sns/oauth2/access_token?appid='.$this->appId.'&secret='.$this->appSecret.'&code='.$code.'&grant_type=authorization_code';
$res = $this->curl_post($url);
// 用户openid
$openid = $res['openid'];
$recode = (new reIndex)->reselect($openid);
header("Content-Type: image/jpeg;text/html; charset=utf-8");
if(!$recode){
$rand = mt_rand(0,9).mt_rand(0,9).mt_rand(0,9).mt_rand(0,9);
$arr = array();
$arr = array(
'openid' => $openid,
'code' => $rand,
);
(new reIndex)->readd($arr);
$res = $this->reindex();
$access_token = $res['access_token'];
// 获取ticket
$url = "https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token=".$access_token;
$list = array();
$list = array(
'action_name' => 'QR_LIMIT_SCENE',
'action_info' => array(
'scene' => array(
'scene_id' => $rand,
),
),
);
// 获取ticket
$res = $this->curl_post($url,json_encode($list),'POST');
// 通过ticket换取二维码
$res = $this->wechatcode($res['ticket']);
$file = fopen(dirname(dirname(dirname(__DIR__)))."/image/".$rand."upload.jpg","w");
fwrite($file,$res);//写入
fclose($file);//关闭
$img = "http://www.neophiledesign.com/kfgzh/image/".$rand."upload.jpg";
}else{
$img = "http://www.neophiledesign.com/kfgzh/image/".$recode."upload.jpg";
}
echo "
";
}
// 获取access_token
public function reindex(){
$appid = 'wx17aaa90e1f107245';
$secret = '8bd13c549f07c6e365f818e113dee821';
$url = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid='.$appid.'&secret='.$secret;
$res = $this->curl_post($url);
return $res;
}
// 获取用户信息及openid
public function retest($access_token){
$url = 'https://api.weixin.qq.com/cgi-bin/user/info?access_token='.$access_token.'&openid=OPENID&lang=zh_CN';
return $this->getJson($url);
}
// token验证
public function index(){
if ($this->checkSignature()==false) {
die('非法请求');
}
if (isset($_GET["echostr"])) {
$echostr = $_GET["echostr"];
echo $echostr;
exit();
} else {
$this->responseMsg();
}
}
public function responseMsg(){
//get post data, May be due to the different environments
$postStr = file_get_contents("php://input");
if (!empty($postStr)){
libxml_disable_entity_loader(true);
$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
$fromUsername = $postObj->FromUserName;
$toUsername = $postObj->ToUserName;
// $keyword = trim($postObj->Content);
$time = time();
$textTpl = "
%s
";
if($postObj->MsgType == 'event'){
$res = $this->reindex();
// 获取access_token
$access_token = $res['access_token'];
$msgType = "text";
// 通过二维码进入
if(isset($postObj->EventKey) && $postObj->EventKey != ''){
$tgzid = $postObj->EventKey;
if(substr($tgzid,8)){
$retgzid = substr($tgzid,8);
$openid = (new reIndex)->rereselect($retgzid);
if($openid != $fromUsername){
$sharesum = (new reIndex)->reupdate($openid);
$url = 'https://api.weixin.qq.com/cgi-bin/user/info?access_token='.$access_token.'&openid='.$fromUsername.'&lang=zh_CN';
$re = json_decode($this->getjson($url),true);
$contentStr = '你好,'.$re['nickname'].'欢迎关注香港葵芳!';
$url = 'https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token='.$access_token;
$data = array();
$data = array(
"touser" => $openid,
"msgtype" => "text",
"text" =>
array(
"content" => "已成功分享给用户".$re['nickname']."已成功分享".$sharesum.'次'
)
);
$res = $this->getjson($url,json_encode($data,JSON_UNESCAPED_UNICODE));
var_dump($res);
}
}else{
$url = 'https://api.weixin.qq.com/cgi-bin/user/info?access_token='.$access_token.'&openid='.$fromUsername.'&lang=zh_CN';
$re = json_decode($this->getjson($url),true);
$contentStr = '你好,'.$re['nickname'].'欢迎关注香港葵芳!';
}
}else{
if($postObj->Event == 'subscribe'){
$url = 'https://api.weixin.qq.com/cgi-bin/user/info?access_token='.$access_token.'&openid='.$fromUsername.'&lang=zh_CN';
$re = json_decode($this->getjson($url),true);
$contentStr = '你好,'.$re['nickname'].'欢迎关注香港葵芳!';
}
}
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
echo $resultStr;
}
}else {
exit;
}
}
//
public function curl_post($url, $data=null,$method='GET', $https=true)
{
// 创建一个新cURL资源
$ch = curl_init();
// 设置URL和相应的选项
curl_setopt($ch, CURLOPT_URL, $url);
//要访问的网站 //启用时会将头文件的信息作为数据流输出。
curl_setopt($ch, CURLOPT_HEADER, false);
//将curl_exec()获取的信息以字符串返回，而不是直接输出。
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
if($https){
//FALSE 禁止 cURL 验证对等证书（peer's certificate）。
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
//验证主机 }
if($method == 'POST'){
curl_setopt($ch, CURLOPT_POST, true);
//发送 POST 请求 //全部数据使用HTTP协议中的 "POST" 操作来发送。
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
}
// 抓取URL并把它传递给浏览器
$content = curl_exec($ch);
//关闭cURL资源，并且释放系统资源
curl_close($ch);
return json_decode($content,true);
}
}
public function getjson($url,$data=null)
{
$curl = curl_init();
curl_setopt($curl,CURLOPT_URL,$url);
curl_setopt($curl, CURLOPT_HEADER,false);
curl_setopt($curl,CURLOPT_SSL_VERIFYPEER,false);
curl_setopt($curl,CURLOPT_SSL_VERIFYHOST,false);
//不为空，使用post传参数，否则使用get
if($data){
curl_setopt($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;
}
private function checkSignature()
{
$signature = $_GET["signature"];
$timestamp = $_GET["timestamp"];
$nonce = $_GET["nonce"];
$token = TOKEN;
$tmpArr = array($token, $timestamp, $nonce);
sort($tmpArr);
$tmpStr = implode( $tmpArr );
$tmpStr = sha1( $tmpStr );
if( $tmpStr == $signature ){
return true;
}else{
return false;
}
}
}