先到微信官方申请一个登录应用,获得appid和appsecret。
然后就开始上代码了:
1,新建一个第三方类放在ThinkPHP\Library\Org\Util里面,当然你也可以放在其他目录里(记得修改命名空间哦)。
<?php namespace Org\Util; class WeChatAuth { private $app_id = ')()*&……%¥#@@¥%……%&*';//你自己的 private $app_secret = '!@#¥%……&……%¥#¥*……&%¥#';//也是你自己的 /** * 获取微信授权链接 * * @param string $redirect_uri 跳转地址 * @param mixed $state 参数 */ public function get_authorize_url($redirect_uri = '', $state = ''){ $redirect_uri = urlencode($redirect_uri); return "https://open.weixin.qq.com/connect/qrconnect?appid={$this->app_id}&redirect_uri={$redirect_uri}&response_type=code&scope=snsapi_login&state={$state}#wechat_redirect"; } /** * 获取授权token * * @param string $code 通过get_authorize_url获取到的code */ public function get_access_token($app_id = '', $app_secret = '', $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; } /** * 验证授权 * * @param string $access_token * @param string $open_id */ public function check_access_token($access_token = '', $open_id = ''){ if($access_token && $open_id){ $info_url = "https://api.weixin.qq.com/sns/auth?access_token={$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){ $ci = curl_init(); curl_setopt($ci, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); curl_setopt($ci, CURLOPT_CONNECTTIMEOUT, 30); curl_setopt($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); } }
2,然后再需要用到的控制器里引入:use \Org\Util\WeChatAuth;
3,然后开始写代码了:
public function index(){ $Wechat=new WeChatAuth(); echo "<pre>"; $token = session('token'); //查看是否已经授权 if (!empty($token)) { var_dump('TOKEN:'); var_dump($token); $state = $Wechat->check_access_token($token['access_token'],$token['openid']); //检验token是否可用(成功的信息:"errcode":0,"errmsg":"ok") var_dump('检验token是否可用:'); var_dump($state); } $url = $Wechat->get_authorize_url('http://www.*******.com/welogin/index.php/home/index/test2','1'); //此处链接授权后,会跳转到下方处理 echo '<a href='.$url.'>点击授权登陆</a></pre>'; } public function test2(){ $Wechat=new WeChatAuth(); $token = $Wechat->get_access_token('','',$_GET['code']); //确认授权后会,根据返回的code获取token session('token',$token); //保存授权信息 $user_info = $Wechat->get_user_info($token['access_token'],$token['openid']); //获取用户信息 echo "登录成功:用户信息:<pre>"; var_dump($user_info); echo '</pre>'; }
这样访问index方法。点击“点击授权登陆”就可以看到登录二维码了。扫描登录成功后会跳转到test2方法里。
最后:很简单,大致就这样了,后面就是根据具体需求改改代码了。
微信登录在thinkphp中使用就是这么简单!。。。。
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