PHP网页微信公众号登录

PHP微信登录类

<?php
/**
 *作者：haodaima.com
 *日期：2020-12-20
 *时间：21:27
 */


class WeChatLogin
{
    private $appid;   /*微信公众号appid*/
    private $secrete;  /*微信公众号秘钥*/
    private $GetCodeUri;  /*获取code的链接*/
    private $GetAeccessTokenUri;  /*获取access 跟openID的链接*/
    private $GetUserInfoUri;  /*获取用户信息链接*/
    private $code;   /*微信返回的code*/
    private $access_token;  /*微信返回的access token*/
    private $openid; /*微信返回的用户openid*/
    private $redirect_uri;  /*返回链接*/




    /**
     * WeChatLogin constructor.
     * 构造函数，初始化必要参数
     */
    public function __construct()
    {
        $wechat = include_once 'wechat_info.php';
        $this->appid = $wechat['appid'];
        $this->secrete = $wechat['secrete'];
        $this->GetAeccessTokenUri = $wechat['GetAccessTokenUri'];
        $this->GetCodeUri = $wechat['GetCodeUri'];
        $this->GetUserInfoUri = $wechat['GetUserInfoUri'];
        $this->redirect_uri = $wechat['redirect_url'];
    }

    /**
     * 登录页面
     */
    public function weChatLogin() {
        $getcode = sprintf($this->GetCodeUri,$this->appid,urlencode($this->redirect_uri),md5(uniqid(rand(),true)));
        /*当用户扫码确认后微信服务器会携带code值到redirect_uri上*/
        header('location:'.$getcode);
        exit();
    }

    /**
     * 获取Code值
     */
    public function getCode() {
        /*当没有code值时说明用户取消了登录*/
        if(!isset($_GET['code'])) {
            exit('用户取消登录');
        }else{
            $this->code = $_GET['code'];
            $this->getAccessToken();  /*调用获取access toke方法*/
        }
    }

    /**
     * 获取access token及openID
     */
    public function getAccessToken() {
        $getaccesstoken = sprintf($this->GetAeccessTokenUri,$this->appid,$this->secrete,$this->code);
        $result = $this->curlRequest($getaccesstoken);
        if(!isset($result['access_token']) && !isset($result['openid'])) {
            exit('获取access token失败');
        }else {
            $this->access_token = $result['access_token'];
            $this->openid = $result['openid'];
            $this->getUserInfo();  /*调用获取用户信息接口*/
        }
    }

    /**
     * 拿到access token跟openID后获取用户信息
     */
    public function getUserInfo() {
        /*调用此方法时可从数据库检查有没有该openid对应的用户信息*/
        $getuserinfo = sprintf($this->GetUserInfoUri,$this->access_token,$this->openid);
        $userinfo = $this->curlRequest($getuserinfo);
        /*打印用户信息  实际项目中需要将用户信息存入数据库*/
        echo '<pre>';
        print_r($userinfo);
        echo '</pre>';

    }

    /**
     * curl请求
     * @param $url
     * @return mixed
     */
    private function curlRequest($url) {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        $result = curl_exec($ch);
        curl_close($ch);
        return json_decode($result,true);
    }
}

/**
 * 微信调用用户信息的接口有两种：
 * 1、https://api.weixin.qq.com/sns/userinfo
 * 2、https://api.weixin.qq.com/cgi-bin/user/info
 * 上面两个接口都是获取用户信息的，并且传入的参数也是一样的，第一个是用户网页端，第二个使用公众号关注后获取用户信息。
 */

配置文件

<?php
/**
 *作者：haodaima.com
 *日期：2020-12-20
 *时间：21:46
 */

return [
    /*配置项   =>   配置值*/
    'appid'     =>  '',   /*微信公众号appid*/
    'secrete'   =>  '',  /*微信公众号秘钥*/
    'GetCodeUri' => 'https://open.weixin.qq.com/connect/oauth2/authorize?appid=%s&redirect_uri=%s&response_type=code&scope=snsapi_userinfo&state=%s#wechat_redirect',
    'GetAeccessTokenUri' => 'https://api.weixin.qq.com/sns/oauth2/access_token?appid=%s&secret=%s&code=%s&grant_type=authorization_code',
    'GetUserInfoUri' => 'https://api.weixin.qq.com/sns/userinfo?access_token=$access_token&openid=$openid&lang=zh_CN',
    'redirect_uri' => 'https://www.ytymz.com/wechalogin/getcode'
];

以上就是PHP网页微信公众号登录。你活得不快乐的原因是：既无法忍受目前的状态，又没能力改变这一切，可以像只猪一样懒，却无法像只猪一样懒得心安理得。更多关于PHP网页微信公众号登录请关注haodaima.com其它相关文章！