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本文实例讲述了php版微信自动登录并获取昵称的方法。分享给大家供大家参考，具体如下：
微信自动登录并获取昵称是可以通过api接口来获取的也是通过微信开放的接口来实现了，下面我们一起来看一个例子
仅记录：微信获取昵称自动登录
经过反复几次验证，发现我这个方法有缺陷：
微信内 未关注进入网站，无法获得昵称。
关注后用我这个方法可以获得昵称。
是否是因为第一次生成openid 所以还未生成昵称？待测试.
我要评论
/**
* 获取当前页面完整url地址
*/
function get_url() {
$sys_protocal = isset($_server['server_port']) && $_server['server_port'] == '443' ? 'https://' : 'http://';
$php_self = $_server['php_self'] ? $_server['php_self'] : $_server['script_name'];
$path_info = isset($_server['path_info']) ? $_server['path_info'] : '';
$relate_url = isset($_server['request_uri']) ? $_server['request_uri'] : $php_self.(isset($_server['query_string']) ? '?'.$_server['query_string'] : $path_info);
return $sys_protocal.(isset($_server['http_host']) ? $_server['http_host'] : '').$relate_url;
}
$wxch_config = $db -> getrow("select * from `ecs_weixin_config` where `id` = 1");
$appid = $wxch_config['appid'];
$appsecret = $wxch_config['appsecret'];
$appid = $appid;
$scretid =$appsecret;
if(!$_session['user_id'] && strpos($_server['http_user_agent'], 'micromessenger') !== false){
if (!isset($_get['code']))
{
$backurl = get_url();
//$url = $jsapi->createoauthurlforcode($backurl);
$url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=".$appid."&redirect_uri=".urlencode($backurl)."&response_type=code&scope=snsapi_base&state=123#wechat_redirect";
//echo $url;
header("location: $url");
}else
{
//获取code码，以获取openid
$code = $_get['code'];
$url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=".$appid."&secret=".$scretid."&code=".$code."&grant_type=authorization_code";
$re = curl_get_contents1($url);
$rearr = json_decode($re,true);
$openid = $rearr['openid'];
//var_dump($rearr);
//$jsapi->setcode($code);
//$openid = $jsapi->getopenid();
$user_name = $db->getone("select uname from ecs_weixin_user where wxid = '{$openid}'");
if($openid && !$user_name){ //注册进入
$passw = md5('shanmao.me'.rand(1,18650144002));
$wxch_user_sql = "insert into `ecs_weixin_user` (`wxid`,`setp`) values ('$openid','3')";
$db -> query($wxch_user_sql);
$ecs_user_id = $db -> insert_id();
if($ecs_user_id<=0){
exit('error get insert_id');
}
$url3 = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$appid."&secret=".$scretid;
$re3 = curl_get_contents1($url3);
$re3arr = json_decode($re3,true);
$token = $re3arr['access_token'];
$url2 = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=".$token."&openid=".$openid."&lang=zh_cn";
$re2 = curl_get_contents1($url2);
$rearr2 = json_decode($re2,true);
$uc_username = $rearr2['nickname']?$rearr2['nickname']: 'doubag' . $ecs_user_id;
$time = gmtime();
$user_sql = "insert into `ecs_users` (`user_name`,`password`,`reg_time`) values ('$uc_username','$passw','$time')";
$db -> query($user_sql);
$uc_update = "update ecs_weixin_user set `uname` = '$uc_username' where `uid` = '$ecs_user_id'";
$db -> query($uc_update);
$user->set_session($uc_username);
$user->set_cookie($uc_username,1);
update_user_info();
/*
$up_uid = get_affiliate();
if($up_uid>0){
$sql = 'update ecs_users set parent_id = ' . $up_uid . ' where user_id = ' . $ecs_user_id;
$db ->query($sql);
header('location: user.php?newuser=1');
}*/
}else{
$user->set_session($user_name);
$user->set_cookie($user_name,1);
update_user_info();
}
//setcookie("sopenid",$openid,time()+864000,'/');
}
}
//var_dump($openid);
function curl_get_contents1($url) {
$ch = curl_init();
curl_setopt($ch, curlopt_url, $url);
curl_setopt($ch, curlopt_timeout, 2);
curl_setopt($ch, curlopt_useragent, "ie 6.0");
curl_setopt($ch, curlopt_referer, "");
curl_setopt($ch, curlopt_followlocation, 1);
curl_setopt($ch, curlopt_returntransfer, true);
curl_setopt($ch, curlopt_ssl_verifypeer, false);
curl_setopt($ch, curlopt_ssl_verifyhost, false);
$r = curl_exec($ch);
curl_close($ch);
return $r;
}
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