微信登录

前台调用:

https://open.weixin.qq.com/connect/qrconnect?appid=wx3026c9283afaae09&redirect_uri=http://mw1950.2om.cn/api.php/Login/wxlogin&response_type=code&scope=snsapi_login&state=STATE#wechat_redirect

 

后台接口:

//微信登录

public function wxlogin(){

$code = input('code');

// $code = '021FTdCd1wHSHs0LuWBd1d8jCd1FTdCc';

if(!empty($code)){

//获取access_token

$url = 'https://api.weixin.qq.com/sns/oauth2/access_token?appid='.$this->appId.'&secret='.$this->appSecret.'&code='.$code.'&grant_type=authorization_code';

 

$cont = file_get_contents($url);

$request = json_decode($cont,true);

if(isset($request['errcode']) || !empty($request['errcode'])){

print_r($request['errmsg']);die;

}

$access_token = $request['access_token'];

$expires_in = $request['expires_in'];

$refresh_token = $request['refresh_token'];

$openid = $request['openid'];

$unionid = $request['unionid'];

 

//刷新access_token值

$url = 'https://api.weixin.qq.com/sns/oauth2/refresh_token?appid='.$this->appId.'&grant_type=refresh_token&refresh_token='.$refresh_token;

$cont = file_get_contents($url);

$request = json_decode($cont,true);

if(isset($request['errcode']) || !empty($request['errcode'])){

print_r($request['errmsg']);die;

}

// echo '<pre/>';print_r($request);die;

// 获取用户个人信息（UnionID机制）

$url = 'https://api.weixin.qq.com/sns/userinfo?access_token='.$request['access_token'].'&openid='.$request['openid'];

 

$cont = file_get_contents($url);

$request = json_decode($cont,true);

if(isset($request['errcode']) || !empty($request['errcode'])){

print_r($request['errmsg']);die;

}

 

//处理用户信息 如果用户已存在就更改,不存在就添加用户

 

// echo '<pre/>';print_r($request);die;

 

$userinfo = $this->wxuserinfo($request);

// echo '<pre/>';print_r($userinfo);die;

$userinfo = json_decode($userinfo,true);

 

 

 

if(!empty($userinfo['errcode'])){

print_r($userinfo['errmsg']);die;

}else{

$ural = 'http://mw1950.2om.cn/index.php/index/index';

 

header('location:'.$ural);

}

 

 

return json(['code' => 200, 'msg' => '登录成功' , 'data' =>$userinfo]);

}else{

dump('没有拉取到code信息'); die();

}

}

 

 

//微信用户处理

public function wxuserinfo($canshu){

 

if(empty($canshu) || empty($canshu['unionid'])){

return json_encode(['errcode'=>102,'errmsg'=>'参数不能为空']);

}

 

$userdb = db('user');

$user_opendb = db('user_open');

 

//判断user_open表是否存在用户信息

$openinfo = $user_opendb->where("unionid='".$canshu['unionid']."' ")->find();

// echo '<pre/>';print_r($openinfo);die;

if(!$openinfo || empty($openinfo['userid'])){

 

$salt = substr(uniqid(rand()), -6); //安全码

//添加用户

$rea = [

'nickname' => $canshu['nickname'],

'username' => $canshu['nickname'],

'face' => $canshu['headimgurl'],

'country' => $canshu['country'],

'gender' => $canshu['sex'],

'language' => $canshu['language'],

'city' => $canshu['city'],

'province' => $canshu['province'],

'salt' => $salt,

'addtime' => time(),

'lastlogintime' => time()

 

];

 

$userid = $userdb->insertGetId($rea);

// die;

 

 

if(!$userid){

return json_encode(['errcode'=>102,'errmsg'=>'用户注册失败']);

}

 

 

//添加user_open信息

$data = [

'userid' => $userid,

'unionid' => $canshu['unionid'],

'openid' => $canshu['openid'],

'appid' => $this->appId,

'opentype' => 'wechat',

'addtime' => time()

];

// echo '<pre/>';print_r($data);die;

$openid = $user_opendb->insert($data);

 

if(!$openid){

return json_encode(['errcode'=>102,'errmsg'=>'用户注册失败!']);

}

 

$userdata = $userdb->where('userid='.$userid.' and del=0')->find();

if(!$userdata){

$user_opendb->where('userid='.$userid)->delete();

return json_encode(['errcode'=>102,'errmsg'=>'用户注册失败重新注册']);

}

$userdatas = json_encode($userdata);

$userids = $userdata['userid'];

 

session(null, 'api');

$token=session_id();

 

Cookie::set('userdata',$userdatas);

Cookie::set('userid',$userids);

Cookie::set('token',$token);

 

return json_encode(['errcode'=>0,'errmsg'=>'SUCCESS','data'=>['__token'=>$token,'userid'=>$userids,'userdata'=>$userdatas]]);

}else{

 

$userdata = $userdb->where('userid='.$openinfo['userid'].' and del=0')->find();

if(!$userdata){

$user_opendb->where('userid='.$openinfo['userid'])->delete();

return json_encode(['errcode'=>'102','errmsg'=>'登录信息异常，请重新登录']);

}

 

if($userdata['status'] != 1){

return json_encode(['errcode'=>102,'errmsg'=>'该用户已被禁止登陆']);

}

 

$data = array();

$data['lastlogintime'] = time();

$data['nickname'] = $canshu['nickname'];

$data['username'] = $canshu['nickname'];

$data['face'] = $canshu['headimgurl'];

 

$userins = $userdb->where('userid='.$userdata['userid'])->update($data);

if(!$userins){

return json_encode(['errcode'=>102,'errmsg'=>'用户信息获取失败']);

}

$userdatas = json_encode($userdata);

$userids = $userdata['userid'];

 

session(null, 'api');

$token=session_id();

 

// echo '<pre/>';print_r($token);die;

 

Cookie::set('userdata',$userdatas);

Cookie::set('userid',$userids);

Cookie::set('token',$token);

 

return json_encode(['errcode'=>0,'errmsg'=>'SUCCESS','data'=>['__token'=>$token,'userid'=>$userids,'userdata'=>$userdatas]]);

}

 

}