``` ~~~ <?php /** * 2019/9/21 20:34 * author: 编程小石头 * wechat:2501902696 * desc: 获取小程序用户openid */ getOpenid(); function getOpenid() { $code = $_GET['code'];//小程序传来的code值 $appid = 'wx4b55bb240aec2ee3';//小程序的appid $appSecret = '1f6f68884c1add6293cfa9b86e1f6bfd';// 小程序的$appSecret $wxUrl = 'https://api.weixin.qq.com/sns/jscode2session?appid=%s&secret=%s&js_code=%s&grant_type=authorization_code'; $getUrl = sprintf($wxUrl, $appid, $appSecret, $code);//把appid，appsecret，code拼接到url里 $result = curl_get($getUrl);//请求拼接好的url $wxResult = json_decode($result, true); if (empty($wxResult)) { echo '获取openid时异常，微信内部错误'; } else { $loginFail = array_key_exists('errcode', $wxResult); if ($loginFail) {//请求失败 var_dump($wxResult); } else {//请求成功 $openid = $wxResult['openid']; echo "获取openid成功成功：" . $openid; } } } //php请求网络的方法 function curl_get($url, &$httpCode = 0) { $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); //不做证书校验,部署在linux环境下请改为true curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10); $file_contents = curl_exec($ch); $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); return $file_contents; } ~~~ ```