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这篇文章主要讲解了“如何实现微信第三方登录demo”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“如何实现微信第三方登录demo”吧！
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" rel="external nofollow" >微信登录</a> <br><br>
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;
$url = "https://api.weixin.qq.com/sns/oauth3/access_token?appid=".$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='http://www.sunmil.cn'</script>";
exit;
}
}
$access_token = $result['access_token'];
//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 = 'trustlogin_plugin_weixin';
//连接数据库，插入数据
$sql = "insert into sdb_trustlogin_trustinfo (openid,realname,avatar,gender,province,city,trust_source) values ('{$openid}','{$nickname}','{$avatar}','{$sex}','{$province}','{$city}','{$trust_source}')";
$res = mysqli_query($link, $sql);
if($res && mysqli_affected_rows($link) > 0){
//存入cookie
setcookie('openid',$openid, time()+3600);
header("Location:http://www.sunmil.cn/passport-weixin.html");
}else{
echo '失败了';
}
}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。
感谢各位的阅读，以上就是“如何实现微信第三方登录demo”的内容了，经过本文的学习后，相信大家对如何实现微信第三方登录demo这一问题有了更深刻的体会，具体使用情况还需要大家实践验证。这里是亿速云，小编将为大家推送更多相关知识点的文章，欢迎关注！
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