php微信關注公衆號或掃碼實現獲取用戶信息（內含簡易框架搭建，可複用）
概述
用戶可通過掃描二維碼進行關注或單純進行掃碼操作，實現獲取用戶微信信息，提高公衆號關注率
詳細
流程
準備工作
準備公衆號及配置
本文用測試公衆號進行配置舉例
相關接口文檔
獲取access_token
生成臨時帶參二維碼
臨時帶參二維碼方式進行生成二維碼，再採用微信事件回調進行用戶信息獲取。
帶參二維碼生成文檔：生成帶參二維碼
用戶事件回調
用戶在進行掃碼或其他事件，微信會進行事件回調。
微信事件回調文檔：微信事件回調
獲取用戶詳細信息
獲取用戶詳細信息：獲取用戶詳細信息
詳細程序實現-僅供參考
<?php
/**
* Class WechatController
*
* @package \\${NAMESPACE}
*/
class WechatController extends BaseController
{
private $_token = "onepie";
private $appid = '******';
private $secrect = '******';
private $accessToken = '';
static $qrcode_url = "https://api.weixin.qq.com/cgi-bin/qrcode/create?";
static $token_url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&";
static $qrcode_get_url = "https://mp.weixin.qq.com/cgi-bin/showqrcode?";
public function indexAction()
{
$fqid = rand(1000000, 99999999);
$ACCESS_TOKEN = $this->getToken($this->appid, $this->secrect);
$url = $this->getQrcodeurl($ACCESS_TOKEN, $fqid, 2);
file_put_contents(LOG_PATH . '/wx.log', $fqid, FILE_APPEND);
$img_url = $this->DownLoadQr($url, 'qrcode');
$this->setData('qrcode_url', $img_url);
$this->setView('index');
}
/**
* 獲取關注二維碼ticket
* @param $ACCESS_TOKEN
* @param $fqid
* @param int $type
*
* @return bool|string
*/
protected function getQrcodeurl($ACCESS_TOKEN, $fqid, $type = 1)
{
$url = self::$qrcode_url . 'access_token=' . $ACCESS_TOKEN;
if ($type == 1) {
//生成永久二維碼
$qrcode = '{"action_name": "QR_LIMIT_SCENE", "action_info": {"scene": {"scene_str": ' . $fqid . '}}}';
} else {
//生成臨時二維碼
$qrcode = '{"expire_seconds": 604800, "action_name": "QR_STR_SCENE", "action_info": {"scene": {"scene_str": ' . $fqid . '}}}';
}
$result = http_post_data($url, $qrcode);
$oo = json_decode($result[1]);
if (empty($oo->ticket)) {
return false;
}
if (!$oo->ticket) {
$this->ErrorLogger('getQrcodeurl falied. Error Info: getQrcodeurl get failed');
exit();
}
$url = self::$qrcode_get_url . 'ticket=' . $oo->ticket . '';
echo $oo->ticket;
return $url;
}
/**
* 保存二維碼到服務器
* 可直接進行展示不進行存儲，看業務需求
*
* @param $url
* @param $filestring
*
* @return bool|string
*/
protected function DownLoadQr($url, $filestring)
{
if ($url == "") {
return false;
}
$filename = $filestring . rand(0, 99999999999) . '.jpg';
ob_start();
readfile($url);
$img = ob_get_contents();
ob_end_clean();
/*if (!file_exists('/public/qrcode/' . $filename)) {
touch('/public/qrcode/' . $filename);
}*/
$file = PUBLIC_PATH . 'qrcode/' . $filename;
$fp2 = fopen($file, "a");
if (fwrite($fp2, $img) === false) {
$this->ErrorLogger('dolwload image falied. Error Info: 無法寫入圖片');
exit();
}
fclose($fp2);
return '/public/qrcode/' . $filename;
}
/**
* @param $appid
* @param $appsecret
*
* @return mixed
* 獲取token
*/
protected function getToken($appid, $appsecret)
{
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" . $appid . "&secret=" . $appsecret;
$token = request_get($url);
$token = json_decode(stripslashes($token));
$arr = json_decode(json_encode($token), true);
$access_token = $arr['access_token'];
return $access_token;
}
public function serviceAction()
{
$this->showPage = false;
$echoStr = @$_GET["echostr"];
if (!isset($echoStr)) {
$this->responseMsg();
} else {
$this->valid();
}
}
public function valid()
{
$nonce = $_GET['nonce'];
$token = $this->_token;
$timestamp = $_GET['timestamp'];
$echostr = $_GET['echostr'];
$signature = $_GET['signature'];
//形成數組，然後按字典序排序
$array = array($nonce, $timestamp, $token);
sort($array);
//拼接成字符串,sha1加密 ，然後與signature進行校驗
$str = sha1(implode($array));
if ($str == $signature) {
echo $echostr;
exit;
}
}
/**
* 微信事件推送接收方法
*/
public function responseMsg()
{
$postStr = isset($GLOBALS['HTTP_RAW_POST_DATA']) ? $GLOBALS['HTTP_RAW_POST_DATA'] : file_get_contents("php://input");
if (!empty($postStr)) {
$postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
// 微信消息類型
$RX_TYPE = trim($postObj->MsgType);
switch ($RX_TYPE) {
case "text":
// 文本消息
$resultStr = $this->handleText($postObj);
break;
case "event":
// 事件推送
$resultStr = $this->handleEvent($postObj);
break;
default:
$resultStr = "Unknow msg type: " . $RX_TYPE;
break;
}
echo $resultStr;
} else {
echo "";
exit;
}
}
/**
* 微信文本消息
* @param $postObj
*/
public function handleText($postObj)
{
$fromUsername = $postObj->FromUserName;
$toUsername = $postObj->ToUserName;
$keyword = trim($postObj->Content);
$time = time();
$textTpl = "<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[%s]]></MsgType>
<Content><![CDATA[%s]]></Content>
<FuncFlag>0</FuncFlag>
</xml>";
if (!empty($keyword)) {
$msgType = "text";
$contentStr = "歡迎您關注好運平臺！";
$resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr);
echo $resultStr;
} else {
echo "請輸入...";
}
}
/**
* 獲取時間消息並解析相應參數
* 提供數據簡單推送(自動回覆)
* @param $object
*
* @return string
*/
public function handleEvent($object)
{
$contentStr = "";
switch ($object->Event) {
case "subscribe":
$contentStr = "感謝您關注【測試賬號】";
$openid = (string)$object->FromUserName; //數據類型轉換爲字符串,mmp這個問題找了好久
$refer_id = explode('_', $object->EventKey); //$object->EventKey返回的是qrsence_123這種類型
$this->createuserinfo($openid, $refer_id[1]);//獲取用戶信息
break;
case "SCAN":
$contentStr = "您已關注過，謝謝！";
$openid = (string)$object->FromUserName; //數據類型轉換爲字符串,mmp這個問題找了好久
$refer_id = explode('_', $object->EventKey); //$object->EventKey返回的是qrsence_123這種類型
$this->createuserinfo($openid, $refer_id[0]);//獲取用戶信息
break;
}
$resultStr = $this->responseText($object, $contentStr);
return $resultStr;
}
/**
* 消息回覆模板
* @param $object
* @param $content
* @param int $flag
*
* @return string
*/
public function responseText($object, $content, $flag = 0)
{
$textTpl = "<xml>
<ToUserName><![CDATA[%s]]></ToUserName>
<FromUserName><![CDATA[%s]]></FromUserName>
<CreateTime>%s</CreateTime>
<MsgType><![CDATA[text]]></MsgType>
<Content><![CDATA[%s]]></Content>
<FuncFlag>%d</FuncFlag>
</xml>";
$resultStr = sprintf($textTpl, $object->FromUserName, $object->ToUserName, time(), $content, $flag);
return $resultStr;
}
/**
* 獲取用戶詳細信息
* @param $openid
* @param $refer_id
*/
public function createuserinfo($openid, $refer_id)
{
$url = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=" . $this->getToken($this->appid, $this->secrect) . "&openid=" . $openid;
$user = request_get($url);
$user = json_decode($user, true);
$users = array(
'openid' => $openid,
'nickname' => $user['nickname'],
'avatar' => $user['headimgurl'],
'sex' => $user['sex'],
'unionid' => $user['unionid'],
'status' => 1,
'reg_time' => $user['subscribe_time'],//關注公衆號的時間
'bind_user' => $refer_id
);
$user_str = date('Y-m-d H:i:s') . "\t";
foreach ($users as $key => $value) {
$user_str .= $key . '=' . $value . "\t";
}
$user_str .= "\n";
file_put_contents(LOG_PATH . "wx.log", $user_str, FILE_APPEND);
}
}