标签：
（第三方登录）
创建应用，域名，详情请看：http://www.cnblogs.com/xujn/p/5287157.html
效果图：
把API,callback.php,qqlogin.php,图片，都放在web目录下.
第一种方法(mysql方法) call.back.php:
<?php
header(‘content-type:text/html;charset=utf-8‘);
require_once("./API/qqConnectAPI.php");
//放置按钮
$qc = new QC();
//根据code获取accesstoken
$token= $qc->qq_callback();
//根据accesstoken获取openid
$openid= $qc->get_openid();
//根据token和openid,获取用户信息
$qc = new QC($token,$openid);
$arr= $qc->get_user_info();
$nickname=$arr[‘nickname‘];
//入库（1）
$link=mysqli_connect(‘localhost:3306‘,‘root‘,‘root‘);
mysqli_query($link,‘use small2‘);
mysqli_query($link,‘set names utf8‘);
$sql_openid="select * from qq where open_id=‘$openid‘";
$db_openid=mysqli_query($link,$sql_openid);
//var_dump($db_openid);die;
$data_openid=mysqli_fetch_assoc($db_openid);
//判断用户id是否存在
if($data_openid)
{
if($data_openid[‘token‘]==$token)
{
echo "<script>alert(‘登陆成功‘);location.href=‘http://www.small2.com/backend/web/index.php?r=login/login‘</script>";
}
else
{
$token_update="update qq set token=‘$token‘ where open_id=‘$openid‘";
$db_token=mysqli_fetch_assoc(mysqli_query($link,$token_update));
if($db_token)
{
echo "<script>alert(‘登陆成功‘);location.href=‘http://www.small2.com/backend/web/index.php?r=login/login‘</script>";
}
else
{
echo "<script>alert(‘token修改失败‘);location.href=‘http://www.small2.com/backend/web/index.php?r=login/login‘</script>";
}
}
}
else
{
//添加
$add_login="insert into login(u_name,pwd) values(‘傻瓜‘,‘123456‘)";
//echo $add_login;die;
$data_add=mysqli_query($link,$add_login);
if($data_add)
{
$select_userid="select * from login order by u_id desc";
$last_id=mysqli_fetch_assoc(mysqli_query($link,$select_userid));
$u_id=$last_id[‘u_id‘];
$add_useropen="insert into qq values(null,‘$nickname‘,‘$u_id‘,‘$openid‘,‘腾讯QQ‘,‘$token‘)";
$db_useropen=mysqli_query($link,$add_useropen);
if($db_useropen)
{
echo "<script>alert(‘登陆成功‘);location.href=‘http://www.small2.com/backend/web/index.php?r=login/login‘</script>";
}
else
{
echo "<script>alert(‘open添加失败‘);location.href=‘http://www.small2.com/backend/web/index.php?r=login/login‘</script>";
}
}
else
{
echo "<script>alert(‘用户添加失败‘);location.href=‘http://www.small2.com/backend/web/index.php?r=login/login‘</script>";
}
}
?>
第二种方法(跳转控制器):
callback.php：
$nickname=$arr[‘nickname‘];
$all=$token.",".$openid.",".$nickname;
echo header("location:http://www.small2.com/backend/web/index.php?r=login/insert&all=$all");
控制器：
//保存第三方登录的用户信息，并验证是否成功
public function actionInsert()
{
//接收token和openid
$all=Yii::$app->request->get(‘all‘);
//炸开字符串
$res=explode(",",$all);
//var_dump($res);die;
$token=$res[0];
$openid=$res[1];
$nickname=$res[2];
//查询openid
$row=Yii::$app->db->createCommand("select * from qq where open_id=‘$openid‘")->queryone();
//判断是否存在openid
if($row[‘openid‘])
{
//判断token
if($row[‘token‘]==$token)
{
echo "<script>alert(‘登陆成功‘);location.href=‘http://www.small2.com/backend/web/index.php?r=login/login‘</script>";
}
else
{
//修改token值
$up_token=Yii::$app->db->createCommand()->update("qq",["token"=>$token]);
if($up_token->execute())
{
echo "<script>alert(‘登陆成功‘);location.href=‘http://www.small2.com/backend/web/index.php?r=login/login‘</script>";
}
else
{
echo "<script>alert(‘token修改失败‘);location.href=‘http://www.small2.com/backend/web/index.php?r=login/login‘</script>";
}
}
}
else
{
//随意添加一条用户信息，测试一下
$add_user=Yii::$app->db->createCommand()->insert("login",["u_name"=>‘亲爱的‘,"pwd"=>‘123456‘,"email"=>‘495099758@qq.com‘,‘sex‘=>‘男‘,‘status‘=>1])->execute();
$u_id= intval(Yii::$app->db->getLastInsertId());
//把用户id，openid，token插入表中
$add_qq=Yii::$app->db->createCommand()->insert("qq",["nickname"=>$nickname,"open_id"=>$openid,"token"=>$token,"u_id"=>$u_id,"from"=>‘腾讯QQ‘]);
if($add_qq->execute())
{
echo "<script>alert(‘登陆成功‘);location.href=‘http://www.small2.com/backend/web/index.php?r=login/login‘</script>";
}
else
{
echo "<script>alert(‘添加失败‘);location.href=‘http://www.small2.com/backend/web/index.php?r=login/login‘</script>";
}
}
}
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原文地址：http://www.cnblogs.com/shaohuixia/p/5379566.html
