微信第三方登录demo

首先：

资料准备：

      水印图片 28*28         png格式        公司logo
      高清图片 108*108     png格式       公司logo

      1.在微信开放平台 https://open.weixin.qq.com/中填写基本信息，
      2.完成邮箱验证，
      3.并完善开发者资料，注册成为开发者。
      4.在“账号中心”完成开发者资质认证。
      5.进入微信开放平台管理中心网站应用，点击“创建应用”按钮。
      6.填写基本信息，完成点击下一步
      7.填写平台信息
        应用签名：可在微信开发平台的资源中心》》资源下载》》中下载“签名生成工具”，用户获取已经安装到手机的第三方应用的签名。输入应用包名，即可获得该应用的签名值。
      8.提交审核后，在7个工作日内腾讯将给出审核结果。（通常较快，几个小时就可反馈结果）

  获取AppID，AppSecret，之后的处理：

需要在你想加的网站登录页给一个链接：<a href="https://open.weixin.qq.com/connect/qrconnect?appid=your appid &redirect_uri=http://www.sunmil.cn/passport-linshi.html&response_type=code&scope=snsapi_login&state=STATE#wechat_redirect">微信登录</a>

处理微信登录开始

定义appid appsecert

    private $appid = "your appid";
    private $appsecert = "your appsecert";
    private $redirect_uri = "http://www.sunmil.cn/wxGetCode";

绑定账号页面

  public function weixin(){
        //链接数据库
        $link = mysqli_connect(DB_HOST, DB_USER,DB_PASSWORD,DB_NAME ) or die('数据库连接失败4');
        $link = mysqli_connect('127.0.0.1', 'root','root', 'ec') or die('数据库连接失败');
        mysqli_set_charset($link,'utf8');

        //接收openid
        $openid = $_COOKIE['openid'];

        $sql = "select * from sdb_trustlogin_trustinfo where openid = '$openid' ";
        $res = mysqli_query($link, $sql);
        $row = mysqli_fetch_assoc($res);

        $this->pagedata['realname'] = $row['realname'];
        $this->pagedata['avatar'] =  $row['avatar'];

        $this->page("site/passport/weixin.html");

    }

当第一次微信登录，处理绑定账号页面

    public function handle($url=null){       
    // $url = "http://www.sunmil.cn";
         //链接数据库
        $link = mysqli_connect(DB_HOST, DB_USER,DB_PASSWORD,DB_NAME ) or die('数据库连接失败3');
            mysqli_set_charset($link,'utf8');            $post = utils::_filter_input($_POST);        
            $userData = array(            'login_account' => $post['uname'],'login_password' => $post['password']
        );        
        $member_id = kernel::single('pam_passport_site_basic')->login($userData,$post['verifycode'],$msg);        
        $b2c_members_model = $this->app->model('members');       
        $member_point_model = $this->app->model('member_point');        
        $member_data = $b2c_members_model->getList( 'member_lv_id,experience,point', array('member_id'=>$member_id) );        
        $member_data = $member_data[0];        
        $member_data['order_num'] = $this->app->model('orders')->count( array('member_id'=>$member_id) );  

        $b2c_members_model->update($member_data,array('member_id'=>$member_id));        
        $this->userObject->set_member_session($member_id);        
        $this->bind_member($member_id);        
        $this->set_cookie('loginName',$post['uname'],time()+31536000);//用于记住密码
        // setCartNum()需要传入一个参数
        $aCart = array();        
        $this->app->model('cart_objects')->setCartNum($aCart);        
        $url = $this->userPassport->get_next_page('pc');        
        if( !$url ){            
        $url = kernel::single('b2c_frontpage')->gen_url(array('app'=>'b2c','ctl'=>'site_member','act'=>'index'));
        }        
        //查询数据库
        $uname = $_POST['uname'];        
        $sql = "select * from sdb_pam_members where password_account = '$uname' ";        
        $res = mysqli_query($link, $sql);        
        $row = mysqli_fetch_assoc($res);        
        $member_id = $row['member_id'];        
        //链接数据库，插入数据
        $openid =  $_COOKIE['openid'];        
        $sql = "update sdb_trustlogin_trustinfo set member_id = ('{$member_id}')  where openid = '{$openid}'";        
        $res = mysqli_query($link, $sql); 

        if($res && mysqli_affected_rows($link) > 0){ 
            //删除cookie
            setcookie("openid", $openid, time()-3600);
            kernel::single('pam_lock')->flush_lock($member_id);            
            $this->splash('success',$url,app::get('b2c')->_('登录成功'),true); 
        }else{            
        echo '失败了';
        }
    }

处理绑定注册页面

public function weixin1(){          
//链接数据库
        $link = mysqli_connect(DB_HOST, DB_USER,DB_PASSWORD,DB_NAME ) or die('数据库连接失败2');
        mysqli_set_charset($link,'utf8');        
        //接收openid
        $openid = $_COOKIE['openid'];        
        $sql = "select * from sdb_trustlogin_trustinfo where openid = '$openid' ";        
        $res = mysqli_query($link, $sql);        
        $row = mysqli_fetch_assoc($res);        
        $this->pagedata['realname'] = $row['realname'];        
        $this->pagedata['avatar'] =  $row['avatar'];        
        $this->page("site/passport/weixin1.html");

    }

绑定注册页面

 public function handle1($url=null){        
 //链接数据库
        $link = mysqli_connect(DB_HOST, DB_USER,DB_PASSWORD,DB_NAME ) or die('数据库连接失败1');
        mysqli_set_charset($link,'utf8');        
        $_POST = utils::_filter_input($_POST);        
        $saveData = $this->userPassport->pre_signup_process($_POST);        
        if( $member_id = $this->userPassport->save_members($saveData,$msg) ){            
        $this->userObject->set_member_session($member_id);            
        $this->bind_member($member_id);            
        foreach(kernel::servicelist('b2c_save_post_om') as $object) {                
        $object->set_arr($member_id, 'member');                
        $refer_url = $object->get_arr($member_id, 'member');
            }            
            /*注册完成后做某些操作! begin*/
            foreach(kernel::servicelist('b2c_register_after') as $object) {                
            $object->registerActive($member_id);
            }            
            /*end*/
            $data['member_id'] = $member_id;            
            $data['uname'] = $saveData['pam_account']['login_account'];            
            $data['passwd'] = $_POST['pam_account']['psw_confirm'];            
            $data['email'] = $_POST['contact']['email'];            
            $data['refer_url'] = $refer_url ? $refer_url : '';            
            $data['is_frontend'] = true;            
            $obj_account=$this->app->model('member_account');            
            $obj_account->fireEvent('register',$data,$member_id);            
            if(!strpos($_SESSION['pc_next_page'],'cart')){         
            $url = $this->gen_url(array('app'=>'b2c','ctl'=>'site_passport','act'=>'sign_tips'));
            }else{                
            $url = $_SESSION['pc_next_page'];
            }            
            //会员注册成功，处理member_id 开始
            $login_name = $_POST["pam_account"]["login_name"];            
            $sql = "select member_id from sdb_pam_members where password_account = '{$login_name}'";            
            // echo $sql;
            $res = mysqli_query($link, $sql);            
            $row = mysqli_fetch_assoc($res);            
            $member_id = $row['member_id'];            
            //链接数据库，插入数据
            $openid =  $_COOKIE['openid'];            
            $sql = "update sdb_trustlogin_trustinfo set member_id = ('{$member_id}')  where openid = '{$openid}'";            
            $res = mysqli_query($link, $sql); 

            if($res && mysqli_affected_rows($link) > 0){ 

                 //删除cookie
                setcookie("openid", $openid, time()-3600);                
                $this->splash('success',$url,app::get('b2c')->_('注册成功'),$ajax_request);
                }     
        //会员注册成功，处理member_id 结束
            $this->splash('failed',$back_url,app::get('b2c')->_('注册失败'),$ajax_request);
        }
    }

临时页面

 public function linshi(){        
 $code =  $_GET['code'];        
 $state =  $_GET['state'];        
 if($state === 'STATE'){            
 $this->loginWeixin($code);
        }elseif($state === 'wxBind'){            
        $this->bindWeixin($code);
        }else{           
         return redirect("http://www.sunmil.cn");
        }
    }

loginWeixin

  private function loginWeixin($code){        
  //链接数据库
        $link = mysqli_connect('127.0.0.1', 'root','root', 'ec') or die('数据库连接失败');
        mysqli_set_charset($link,'utf8');        
        $appid = $this->appid;        
        $appsecert = $this->appsecert;        
        $url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=".$appid."&secret=".$appsecert."&code=".$code."&grant_type=authorization_code";        
        //curl模拟get请求，获取结果
        $res = $this->http_curl($url);        
        //转化为数组
        $result = json_decode($res,true);        
        $openid = $result['openid'];        
        //openid存在，直接登录，openid不存在，先注册再登录
        $sql = "select openid from sdb_trustlogin_trustinfo";        
        $res = mysqli_query($link, $sql);        
        $row = mysqli_fetch_all($res);            
        //foreach 判断
        foreach ($row As  $v) {            
        if(in_array($openid,$v,true)){                
        //缺少登录信息

                $sql = "select member_id from sdb_trustlogin_trustinfo where openid = '{$openid}'";                
                //查出member_id
                $res = mysqli_query($link, $sql);                
                $row = mysqli_fetch_assoc($res);                
                $member_id = $row['member_id'];                
                //查出会员信息
                $sql = "select * from sdb_pam_members where member_id = '{$member_id}'";                
                $res = mysqli_query($link, $sql);    
                $row = mysqli_fetch_assoc($res);                
                $login_name = $row['login_account'];                
                //存入cookie  
                setcookie('UNAME',$login_name, time()+360000);                
                echo "<script>window.location.href=&#39;http://www.sunmil.cn&#39;</script>";                
                exit;
            }
        }        
        $access_token = $result[&#39;access_token&#39;];        
        //获取用户基本信息
        $getInfoUrl = "https://api.weixin.qq.com/sns/userinfo?access_token=".$access_token."&openid=".$openid."&lang=zh_CN";        
        $userInfo = $this->http_curl($getInfoUrl);        
        $trustinfo = json_decode($userInfo);        
        //判断trustinfo表里面是否存在该条数据
        $openid     =   $trustinfo->openid;        
        $nickname   =   $trustinfo->nickname; 
        $sex        =   $trustinfo->sex; 
        $city       =   $trustinfo->city; 
        $province   =   $trustinfo->province; 
        $country    =   $trustinfo->country; 
        $avatar     =   $trustinfo->headimgurl;        
        $trust_source = &#39;trustlogin_plugin_weixin&#39;;        
        //连接数据库，插入数据
        $sql = "insert into sdb_trustlogin_trustinfo  (openid,realname,avatar,gender,province,city,trust_source) values (&#39;{$openid}&#39;,&#39;{$nickname}&#39;,&#39;{$avatar}&#39;,&#39;{$sex}&#39;,&#39;{$province}&#39;,&#39;{$city}&#39;,&#39;{$trust_source}&#39;)";        
        $res = mysqli_query($link, $sql); 

        if($res && mysqli_affected_rows($link) > 0){ 
             //存入cookie 
            setcookie(&#39;openid&#39;,$openid, time()+3600);            
            header("Location:http://www.sunmil.cn/passport-weixin.html");
        }else{            echo &#39;失败了&#39;;
        }   
    }

curl模拟get请求

 private function http_curl($url){        $curlobj = curl_init();
        curl_setopt($curlobj, CURLOPT_URL, $url);
        curl_setopt($curlobj, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($curlobj, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($curlobj, CURLOPT_SSL_VERIFYHOST, FALSE);        $output = curl_exec($curlobj);
        curl_close($curlobj);        return $output;
    }

  处理微信登录结束

  就可以实现微信登录了，当然了，一个简单熟悉微信第三登录的demo，有机会用tp框架分装完善一个完整的微信第三方登录。

  欢迎留言，大家一起讨论。

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