tp5 connect to database

config configuration new datebase.php

The controller introduces use think\Db;

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//Get database instance object
$link = Db::connect();
//Use instance query class method
$result = $link->table('destoon_ad')->select();
//Output result set
dump($ result);

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//Dynamic connection database
$config = [
'type'=>'mysql',
'hostname'=>'localhost',
'username'=>'root',
'password'=>'root',
'database'=> 'destoon',
];

$link= DB::connect($config);

$result = $link->table('destoon_ad')->select();

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//Dynamic connection to database 2

$link= DB::connect(mysql://root:root@localhost:3306/destoon#utf8);

Database Type: //Username: Password@Database Address:Port Number/Database Name#Character Set

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Shorthand

$result = DB::table('destoon_ad')->select();