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89 lines
3.2 KiB
89 lines
3.2 KiB
<?php
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namespace App\Common;
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/**
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* OAuth2.0微信授权登录实现/微信PC扫码授权登录
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* 微信/PC扫码登录，两种的方式是一样的，先跳转到微信网页获取code，通过code获取token，通过token获取用户信息
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*/
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class WechatAuth
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{
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//高级功能->开发者模式->获取
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private $app_id;
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private $app_secret;
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public function __construct($app_id, $app_secret)
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{
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$this->app_id = $app_id;
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$this->app_secret = $app_secret;
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}
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/**
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* 获取微信授权链接
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*
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* @param string $redirect_uri 回调地址，授权后重定向的回调链接地址，请使用urlEncode对链接进行处理
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* @param mixed $state 可以为空，重定向后会带上state参数，开发者可以填写a-zA-Z0-9的参数值，最多128字节
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*/
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public function get_authorize_url($redirect_uri = '', $state = '')
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{
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return "https://open.weixin.qq.com/connect/oauth2/authorize?appid=".$this->app_id."&redirect_uri=".urlencode($redirect_uri)."&response_type=code&scope=snsapi_userinfo&state=".$state."#wechat_redirect";
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}
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/**
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* 微信PC扫码授权登录链接
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*
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* @param string $redirect_uri 回调地址，授权后重定向的回调链接地址，请使用urlEncode对链接进行处理
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* @param mixed $state 可以为空，重定向后会带上state参数，开发者可以填写a-zA-Z0-9的参数值，最多128字节
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*/
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public function get_qrconnect_url($redirect_uri = '', $state = '')
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{
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return "https://open.weixin.qq.com/connect/qrconnect?appid".$this->app_id."&redirect_uri=".urlencode($redirect_uri)."&response_type=code&scope=snsapi_login&state=".$state."#wechat_redirect";
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}
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/**
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* 获取授权token
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*
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* @param string $code 通过get_authorize_url获取到的code
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*/
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public function get_access_token($code = '')
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{
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$token_url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid={$this->app_id}&secret={$this->app_secret}&code={$code}&grant_type=authorization_code";
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$token_data = $this->http($token_url);
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return json_decode($token_data, true);
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}
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/**
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* 获取授权后的微信用户信息
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*
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* @param string $access_token
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* @param string $open_id
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*/
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public function get_user_info($access_token = '', $open_id = '')
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{
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$info_url = "https://api.weixin.qq.com/sns/userinfo?access_token={$access_token}&openid={$open_id}&lang=zh_CN";
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$info_data = $this->http($info_url);
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return json_decode($info_data, true);
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}
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// cURL函数简单封装
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function http($url, $data = null)
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{
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$curl = curl_init();
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curl_setopt($curl, CURLOPT_URL, $url);
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curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
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curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
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if (!empty($data))
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{
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curl_setopt($curl, CURLOPT_POST, 1);
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curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
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}
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curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
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$output = curl_exec($curl);
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curl_close($curl);
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return $output;
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}
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}
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