在laravel

Question

我正在尝试在运行时连接数据库，我正在从会话中设置连接设置，如下所示。第一个连接（weserach）成功但是会话变量（wesearch_barcode）的连接不是。

这是database.php

'wesearch' => [ 
            'driver' => 'mysql', 
            'host' => 'waev.in', 
            'port' => env('DB_PORT', '3306'), 
            'database' => 'wesearch_waev_user', 
            'username' => '******', 
            'password' => '******', 
            'charset' => 'latin1', 
            'collation' => 'latin1_swedish_ci', 
            'prefix' => '', 
            'strict' => true, 
            'engine' => null, 
            ],

        'wesearch_barcodedb' => [ 
            'driver' => 'mysql', 
            'host' => 'waev.in', 
            'port' => env('DB_PORT', '3306'), 
            'database' => $_SESSION['dbname'], 
            'username' => $_SESSION['username'], 
            'password' => $_SESSION['password'], 
            'charset' => 'latin1', 
            'collation' => 'latin1_swedish_ci', 
            'prefix' => '', 
            'strict' => true, 
            'engine' => null, 
            ],

这是我的控制器：

namespace App\Http\Controllers;
session_start();

use Illuminate\Http\Request;
use Illuminate\Database\DatabaseManager;
use Illuminate\Support\Facades\DB;

use App\Http\Requests;
use App\central_db;
use App\barcodedb;

class check_subsController extends Controller
{
    public function fetch(Request $request){



        if($db=\App\central_db::select(['db_name', 'password', 'first_name', 'last_name'])->where('device_srno','=',$request->srno)->get()){

            foreach ($db as $record) {
                $_SESSION['dbname'] = $record->db_name;
                $_SESSION['username'] = $record->last_name;
                $_SESSION['password'] = $record->first_name;

            }
            if($users=\App\barcodedb::where('park','=','1')->get()){

                return $users;
            }
        }

    }
}

这是我的central_db模型：

namespace App;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\DB;


class central_db extends Model
{
    protected $connection ='wesearch';
    protected $table = 'usr_waev';
}

这是另一个模型：

namespace App;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\DB;


class barcodedb extends Model
{
    protected $connection ='wesearch_barcodedb';
    protected $table = 'user';
}

错误是这样的 ＆＃34; Connector.php第119行中的PDOException： SQLSTATE [HY000] [1045]拒绝用户访问＆＃39;＆＃39; 139.59.29.54＆＃39; （使用密码：否）＆＃34;