公众号自动注册php php微信公众号登录注册

public function getwx(){

$appid = 'wxxxxxxxxxxxxx';

$secret = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxx';

//获取换openid的code

if (!isset($_GET['code'])) {

$baseUrl = '/home/index/index.html';//当前域名

$url = 'https://open./connect/oauth2/authorize?appid=' . $appid . '&redirect_uri=' . urlencode($baseUrl) . '&response_type=code&scope=snsapi_userinfo&state=123#wechat_redirect';

header("Location:" . $url);

exit;

}

$code = strval($_GET['code']);

$state = strval($_GET['state']);

$get_token_url = 'https://api./sns/oauth2/access_token?appid=' . $appid . '&secret=' . $secret . '&code=' . $code . '&grant_type=authorization_code';

//$json_obj = getJson($get_token_url);

$json_obj=$this->getJson($get_token_url);

//根据openid和access_token查询用户信息

$access_token = $json_obj['access_token'];

$openid = $json_obj['openid'];

$get_user_info_url = 'https://api./sns/userinfo?access_token=' . $access_token . '&openid=' . $openid . '&lang=zh_CN';

获取openid

$user_obj=$this->getJson($get_user_info_url);

//解析json

$_SESSION['user'] = $user_obj;

//包含文件

//实例化Mysqldb类

$user_id = $user_obj['openid']; //微信登陆号

$user_pic = addslashes($user_obj['user_pic']); //头像

$user_name = addslashes($user_obj['nickname']);//名称

$user_sex = addslashes($user_obj['sex']); //性别

$user_address = addslashes($user_obj['province']); //地址

//tp3 存入数据库完成注册登录

$data['openid'] = $user_id;

$data['admin_name'] = $user_name;

$data['user_pic'] = $user_pic;

$data['sex'] = $user_sex;

$data['address'] = $user_address;

$user = M('user');

$userinfo = $user->where(array('openid' => $user_id))->find();

if(empty($userinfo)){

M('user')->add($data);

$userinfo = $user->where(array('openid' => $user_id))->find();

$_SESSION['home']=$userinfo;

$_SESSION['userid'] = $id;

$_SESSION['openid'] = $userinfo['openid'];

}else{

$_SESSION['home']=$userinfo;

$_SESSION['userid'] = $userinfo['userid'];

$_SESSION['openid'] = $userinfo['openid'];

}

}

function getJson($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);

$output = curl_exec($ch);

curl_close($ch);

return json_decode($output, true);

}