Thinkphp Connecting two libraries

New api/user.php

<?php/** * Created by Phpstorm. * User:administrator * DATE:2018/8/25 * time:15:20 */namespace app\api\controller;use think\Db;class User{public $d    B2;        Public Function __construct () {//Method One: Table prefix is not used//$this-&GT;DB2 = Db::connect ([////database type      ' Type ' = ' mysql ',/////Database connection DSN configuration//' DSN ' = ', '/////server address//        ' hostname ' + ' 127.0.0.1 ',////Database name//' databases ' + ' on ', '/////database user name         ' username ' + ' root ',////Database Password//' password ' + ' root ',////Database connection port ' Hostport ' + ' 3306 ',////database connection parameters//' params ' = [],////Database encoding default    Using UTF8//' charset ' = ' utf8 ',/////database table prefix//' prefix ' + ' o2o_ ',//]);        } public Function Index () {echo ' Api/user ';        Echo ' <br> '; $res = db (' sHop_station ')->find (1);        $res = db (' ship_station ')->find (49);        Dump ($res);        Echo ' <br> ';        Method One: The table prefix is not used//$ret = $this->db2->table (' o2o_shop_station ')->find (1);        Method Two: Table prefixes are not used $db 2 = db::connect (' Mysql://root:[email protected]:3306/o2o#utf8 ');        $ret = $db 2->table (' o2o_shop_station ')->find (1);    Dump ($ret); }}

Datebase.php is still a normal configuration library one

 // 服务器地址       ‘hostname‘        => ‘127.0.0.2‘,       // 数据库名       ‘database‘        => ‘o2o‘,       // 用户名       ‘username‘        => ‘root2‘,       // 密码       ‘password‘        => ‘root2‘,       // 端口       ‘hostport‘        => ‘3306‘,           // 数据库表前缀       ‘prefix‘          => ‘o2o_‘,

Thinkphp Connecting two libraries