thinkphp5框架结合mysql实现微信登录和自定义分享链接与图文功能示例

function curlHtml($url){
  $ch = curl_init();
  curl_setopt($ch, CURLOPT_URL, $url);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
  curl_setopt($ch, CURLOPT_HEADER, 0);
  curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
  curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
  $output = curl_exec($ch);
  //释放curl句柄
  curl_close($ch);
  return $output;
}
class Wechat
{
  public $errmsg;
  //微信登录获取用户信息
  public function getUserInfo() {
    //1.准备scope为snsapi_base网页授权页面
    $redirect_url = config('system.site_url') . $_SERVER["REQUEST_URI"];
    $baseurl = urlencode($redirect_url);
    $snsapi_base_url = 'https://open.weixin.qq.com/connect/oauth2/authorize"https://api.weixin.qq.com/cgi-bin/user/info".$access_token."&openid=".$openid."&lang=zh_CN";
    $content = curlHtml($url);
    $result = json_decode($content, true);
    return $result;
  }
  /**
   * [wxShare 微信分享]
   * @param [type] $url [description]
   * @return [type]   [description]
   */
  public function wxShare()
  {
    $noncestr = uniqid();
    $timestamp = time();
    $url = config('system.site_url') . $_SERVER["REQUEST_URI"];
    // $redis   = new \Redis;
    // $ticket_key = 'wx_ticket';
    // $ticket   = $redis->get($ticket_key);
    // if (!$ticket) {
    //   $ticket = $this->getJsapiTicket();
    //   $redis->set($ticket_key, $ticket);
    //   $redis->expire($ticket_key, 7200);
    // }
    $ticket = $this->getJsapiTicket();
    if ($ticket) {
      $str     = 'jsapi_ticket=' . $ticket . '&noncestr=' . $noncestr . '&timestamp=' . $timestamp . '&url=' . $url;
      $signature  = sha1($str);
      $return_data = [
        'noncestr' => $noncestr,
        'timestamp' => $timestamp,
        'signature' => $signature,
        'appid'   => config('system.appid'),
        'link'   => $url,
      ];
      return $return_data;
    }
  }
  private function getJsapiTicket()
  {
    $map['keyname'] = 'Ticket';
    $map['modifytime'] = array('GT', time() - 7200);
    $return       = WxTokenModel::getOne('*', $map);
    if ($return) {
      return $return['value'];
    } else {
      $token_info  = $this->curlGetWxAccessToken();
      $access_token = $token_info['value'];
      $url     = 'https://api.weixin.qq.com/cgi-bin/ticket/getticket"htmlcode">

<script type="text/javascript" src="/UploadFiles/2021-04-02/jweixin-1.2.0.js">

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