微信网页授权登录

浏览:5233 最后更新:2016-12-02 10:13 分类:类库 关键字: 微信 网页授权登录
之前公司让做微信网页授权登陆,在网上找了很多,亲测这篇最好。感觉作者的代码写的非常好,贴出来一起学习!代码来源:时间久了找不到地址了,请作者原谅!参考文档:https://mp.weixin.qq.com/wiki/17/c0f37d5704f0b64713d5d2c37b468d75.html


代码
<?php
namespace Org\WeChat;
/**
* 微信授权相关接口
*
* @link http://www.phpddt.com
*/
class Wechat {

//高级功能-》开发者模式-》获取
private $app_id = ''; //公众号appid
private $app_secret = ''; //公众号app_secret
private $redirect_uri = ''; //授权之后跳转地址
/**
* 获取微信授权链接
*
* @param string $redirect_uri 跳转地址
* @param mixed $state 参数
*/
public function get_authorize_url($state)
{
$redirect_uri = urlencode($this->redirect_uri);
return "https://open.weixin.qq.com/connect/oauth2/authorize?appid={$this->app_id}&redirect_uri={$redirect_uri}&response_type=code&scope=snsapi_userinfo&state={$state}#wechat_redirect";
}
/**
* 获取授权token
*
* @param string $code 通过get_authorize_url获取到的code
*/
public function get_access_token($code)
{
$token_url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid={$this->app_id}&secret={$this->app_secret}&code={$code}&grant_type=authorization_code";
$token_data = $this->http($token_url);


if($token_data[0] == 200)
{
return json_decode($token_data[1], TRUE);
}

return FALSE;
}

/**
* 获取授权后的微信用户信息
*
* @param string $access_token
* @param string $open_id
*/
public function get_user_info($access_token,$open_id)
{
if($access_token && $open_id)
{
$info_url = "https://api.weixin.qq.com/sns/userinfo?access_token={$access_token}&openid={$open_id}&lang=zh_CN";
$info_data = $this->http($info_url);

if($info_data[0] == 200)
{
return json_decode($info_data[1], TRUE);
}
}

return FALSE;
}

public function http($url, $method, $postfields = null, $headers = array(), $debug = false)
{
$ci = curl_init();
/* Curl settings */
curl_setopt($ci, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
curl_setopt($ci, CURLOPT_CONNECTTIMEOUT, 30);
curl_setopt($ci, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ci, CURLOPT_SSL_VERIFYHOST, FALSE);
curl_setopt($ci, CURLOPT_TIMEOUT, 30);
curl_setopt($ci, CURLOPT_RETURNTRANSFER, true);

switch ($method) {
case 'POST':
curl_setopt($ci, CURLOPT_POST, true);
if (!empty($postfields)) {
curl_setopt($ci, CURLOPT_POSTFIELDS, $postfields);
$this->postdata = $postfields;
}
break;
}
curl_setopt($ci, CURLOPT_URL, $url);
curl_setopt($ci, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ci, CURLINFO_HEADER_OUT, true);

$response = curl_exec($ci);
$http_code = curl_getinfo($ci, CURLINFO_HTTP_CODE);

if ($debug) {
echo "=====post data======\r\n";
var_dump($postfields);

echo '=====info=====' . "\r\n";
print_r(curl_getinfo($ci));

echo '=====$response=====' . "\r\n";
print_r($response);
}
curl_close($ci);
return array($http_code, $response);
}

}
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