本文实例讲述了基于CI框架的微信网页授权库。,具体如下:
这里演示建立在CI框架上的微信网页授权功能。
1. 微信小类库,网页授权放置在libraries文件夹
<?php
if ( ! defined('BASEPATH')) exit('No direct script access allowed');
Class Weixin
{
private $appId;
private $appSecret;
function __construct()
{
$this->appId = trim('你的appid');
$this->appSecret = trim('你的appsecret');
}
function redirect_url($redirect)
{
/*授权页面*/
$url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=$this->appId&redirect_uri=$redirect&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect";
return $url;
}
/* 通过code换取access_token*/
function access_token($code)
{
/*获取到的code换取access_token和openid*/
$post_url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=$this->appId&secret=$this->appSecret&code=$code&grant_type=authorization_code";
// echo $post_url;exit();
$return = $this->postdata($post_url);
// print_r($return);exit();
$access_token = $return['access_token'];
$openid = $return['openid'];
/*获取微信用户数据*/
$get_userinfo = "https://api.weixin.qq.com/sns/userinfo?access_token=$access_token&openid=$openid&lang=zh_CN";
$userinfo = json_decode(file_get_contents($get_userinfo));
return $userinfo;
}
function eff($access_token,$openid)
{
/*检测access_token是否正确,errcode=0 为正确*/
$eff_url = "https://api.weixin.qq.com/sns/auth?access_token=$access_token&openid=$openid";
$get_eff =json_decode(file_get_contents($eff_url));
return $get_eff;
}
//通过curl方式提交code换取access_token数据
function postdata($url)
{
header('Content-Type:text/html;charset=utf-8');
// echo $url;exit();
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
curl_setopt($curl, CURLOPT_SSLVERSION, 1);
// if (!empty($data)){
// curl_setopt($curl, CURLOPT_POST, 1);
// curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
// }
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
$output = curl_exec($curl);
curl_close($curl);
// var_dump($output);exit();
// print_r($output);exit();
$access = json_decode($output,true);
return $access;
}
/*
这个位置开始是控制器index()传入的微信用户资料处理
*/
function save_session($data)
{
foreach ($data as $key => $value) {
// $_SESSION['uid'] = $value['uid'];
// $_SESSION['nickname'] = $value['nickname'];
// $_SESSION['fullname'] = $value['fullname'];
// $_SESSION['status'] = $value['status'];
// $_SESSION['groups'] = $value['groups'];
$_SESSION[$key] = $value;
}
return $_SESSION;
// print_r($_SESSION);exit();
// unset($_SESSION[0]);
}
function obj_to_arr($data)
{
// 进行转换成数组 使用 obj_to_arr方式
$data = is_object($data)?get_object_vars($data):$data;
foreach ($data as $key => $value)
{
$arr[$key] = $value;
}
return $arr;
}
}







