php 微信授权登录,获取微信用户信息

public function _initialize(){
header('Access-Control-Allow-Origin: *');
header("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept,Authorization");
header('Access-Control-Allow-Methods: GET, POST, PUT,DELETE');

}

//微信授权登录

public function is_login(){
$openid = session('weixin_user.openid');
// dump($openid);exit;
if(empty($openid)){
return json(['code'=>2,'msg'=>'未授权登录']);
}else{
$data = db('weixin_user')->where(['openid'=>$openid])->find();
$data['nickname'] = base64_decode($data['nickname']);
return json(['code'=>1,'data'=>$data]);
}
}

public function index($value='')
{
return $this->fetch();
}

/**
* =========获取微信用户详细信息=====================
**/
public function wechatLogin($my_redirect_url=''){
//游戏支付
$AppID='   ';
$AppSecret ='   ';

$param = input('param.');
// $my_redirect_url = $param['my_redirect_url'];

// $my_redirect_url = 'http://demo01.mjgxym.cn/zjjy/zjjy/index.php/index/index/index';

$callback = 'http://www.zhanluo.top/h5game/index.php/index/index/wechatCllBack';
//url('index/index/wechatCllBack'); //回调地址
// $callback = 'http://client.rup-china.com/bd20180409/index.php/index/index/wechatCllBack';
//微信登录
//-------生成唯一随机串防CSRF攻击
$state = md5(uniqid(rand(), TRUE));
$_SESSION["wx_state"] = $state; //存到SESSION snsapi_userinfo snsapi_base
$callback = urlencode($callback);
$wxurl = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=".$AppID."&redirect_uri=".$callback."&response_type=code&scope=snsapi_userinfo&state={$state}#wechat_redirect";
header("Location: $wxurl");
exit;

}
//微信登录回调函数
public function wechatCllBack() {
//游戏支付
$AppID='   ';
$AppSecret ='   ';

// $my_redirect_url = input('param.my_redirect_url');
// $my_redirect_url = 'http://client.rup-china.com/bd20180409/weixin/index.html';
$url='https://api.weixin.qq.com/sns/oauth2/access_token?appid='.$AppID.'&secret='.$AppSecret.'&code='.$_GET['code'].'&grant_type=authorization_code';
$ch = curl_init();
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_URL, $url);
$json = curl_exec($ch);
curl_close($ch);
$arr=json_decode($json,1);
//得到 access_token 与 openid

$url='https://api.weixin.qq.com/sns/userinfo?access_token='.$arr['access_token'].'&openid='.$arr['openid'].'&lang=zh_CN';
// dump($url);exit;
$ch = curl_init();
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_URL, $url);
$json = curl_exec($ch);
curl_close($ch);
$arr=json_decode($json,1);

header("content-type:text/html;charset=utf-8"); //设置编码

$this->_login_handle($arr);
}

private function _login_handle($user_info,$my_redirect_url='',$from=''){
$user_oauth = Db('weixin_user')->where(array("openid"=>$user_info['openid']))->find();
if(empty($user_oauth)){
/*二【如果用户不存在】
* @1添加该用户到users
*/
$nickname = base64_encode($user_info['nickname']);
$new_user_data = array(
'openid' => $user_info['openid'],
'nickname' => $nickname, //名称
'sex' => $user_info['sex'],//性别
'city' => $user_info['city'],//城市
'province' => $user_info['province'],//省份
'country' => $user_info['country'], //国家
'headimgurl' => $user_info['headimgurl'],//头像
'create_time' => date("Y-m-d H:i:s"),
);
Db('weixin_user')->insertGetId($new_user_data);

// $new_user_data['id'] = Db('weixin_user')->insertGetId($new_user_data);
$weixin_user_data = Db('weixin_user')->where('openid',$user_info['openid'])->find();

$user_oauth = $weixin_user_data;
}

session('weixin_user',$user_oauth);

$openid = session('weixin_user.openid');
// dump($openid);exit;
// return $this->view('index/index');
// if(empty($my_redirect_url)){
// // $this->redirect(url('index'));
// }else{
$my_redirect_url = 'http://www.zhanluo.top/h5game/index.php/index/index/index';
header("Location: $my_redirect_url");exit;

// }
}

//获取用户信息    编码昵称头像

public function login_info()
{
$data1 = db('result_details')->alias('r')->join('weixin_user w','w.pid=r.id')->order('w.id desc')->paginate(15);
// dump($data1);exit;

$data = [];
foreach ($data1 as $k => $v) {
$data[$k]['nickname'] = base64_decode($v['nickname']);
$data[$k]['headimgurl'] = $v['headimgurl'];
$data[$k]['answer'] = $v['answer'];
$data[$k]['id'] = $v['id'];
$data[$k]['pid'] = $v['pid'];
$data[$k]['name'] = $v['name'];
$data[$k]['character'] = $v['character'];
$data[$k]['product'] = $v['product'];
$data[$k]['nature'] = $v['nature'];
$data[$k]['evaluation'] = $v['evaluation'];
$data[$k]['career1'] = $v['career1'];
$data[$k]['career2'] = $v['career2'];
$data[$k]['pic'] = $v['pic'];
}

// dump($data);exit;
$page = $data1->render();

$this->assign('data', $data);
$this->assign('page', $page);

return $this->fetch();
}

//页面展示html

{volist name="data" id="vo"}
<tr>
<td data-field="" id="sub" ><img src="{$vo.headimgurl}" style="height: 60px"></td>
<td data-field="" id="sub" >{$vo.nickname}</td>
<td data-field="" id="sub" >{$vo.answer}</td>
<td data-field="" id="sub" ><a href="{:url('Index/details',['pid'=>$vo.pid])}">点击查看</a></td>
<th>
<a href="###" id="{$vo.id}" onclick="del(this)"><i class="layui-icon">删除 &#xe640;</i></a>
</th>
</tr>
{/volist}