微信服务号获得openid 跟用户信息

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https://open.weixin.qq.com/connect/oauth2/authorize?appid=xxxxxxxxxxxxx&redirect_uri=http://www.dunkbird.com/hello.php&response_type=code&scope=snsapi_base&state=xxxxxxxxxxx&connect_redirect=1#wechat_redirect

php//http://www.jb51.net/callback.php

<?

$appid = "xxxxxxxxxx";
$secret = "xxxxxxxxxxxxxxx";
$code = $_GET["code"];
$get_token_url = ‘https://api.weixin.qq.com/sns/oauth2/access_token?appid=‘.$appid.‘&secret=‘.$secret.‘&code=‘.$code.‘&grant_type=authorization_code‘;
$ch = curl_init();
curl_setopt($ch,CURLOPT_URL,$get_token_url);
curl_setopt($ch,CURLOPT_HEADER,0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1 );
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
$res = curl_exec($ch);
curl_close($ch);
$json_obj = json_decode($res,true);
//根据openid和access_token查询用户信息
$access_token = $json_obj[‘access_token‘];
$openid = $json_obj[‘openid‘];
//echo "openId";
//var_dump($json_obj);
$get_user_info_url = ‘https://api.weixin.qq.com/sns/userinfo?access_token=‘.$access_token.‘&openid=‘.$openid.‘&lang=zh_CN‘;

$ch = curl_init();
curl_setopt($ch,CURLOPT_URL,$get_user_info_url);
curl_setopt($ch,CURLOPT_HEADER,0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1 );
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
$res = curl_exec($ch);
curl_close($ch);

//解析json
$user_obj = json_decode($res,true);
$_SESSION[‘user‘] = $user_obj;
//print_r($user_obj);
//var_dump($user_obj);

微信服务号获得openid 跟用户信息

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原文地址：http://www.cnblogs.com/dunkbird/p/5501027.html