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return array(
    'DB_TYPE'               =>  'mysql',    // Êý¾Ý¿âÀàÐÍ
    'DB_HOST'               =>  'localhost', // ЧÀÍÆ÷µØµã
    'DB_NAME'               =>  'dbname',   // Êý¾Ý¿âÃû
    'DB_USER'               =>  'username',   // ̞
    'DB_PWD'                =>  'password',   // ÃÜÂë
    'DB_PORT'               =>  '3306',   // ¶Ë¿Ú
    'DB_PREFIX'             =>  '',    // Êý¾Ý¿â±íǰ׺
);

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// Êý¾Ý¿âÉèÖÃÐÅÏ¢
'DB_CONFIG1' => include 'database.php',

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ÔÚmodelÎļþ¼ÐÖÐн¨PublicModel.class.phpÎļþ £¬Ìí¼ÓÒÔÏ´úÂ룺

<?php
namespace Model;
use Think\Model;
class PublicModel extends Model {
    protected $db_config    =   'DB_CONFIG1';
}

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$PublicModel = M('Public');

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$PublicModel = M('Public');
$list = $PublicModel->where('id=1')->find();

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$PublicModel = M('Public');
$data['username'] = 'tom';
$data['password'] = '123456';
$id = $PublicModel->add($data);

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$PublicModel = M('Public');
$data['username'] = 'tom';
$map['id'] = 1;
$result = $PublicModel->where($map)->save($data);

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$PublicModel = M('Public');
$map['id'] = 1;
$result = $PublicModel->where($map)->delete();

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