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User : www ( 1000)
PHP Version : 5.6.40
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Directory :  /www/wwwroot/www.jkmold.com/phpcms/model/
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Current File : /www/wwwroot/www.jkmold.com/phpcms/model/sitemodel_field_model.class.php
<?php

defined('IN_PHPCMS') or exit('No permission resources.');

pc_base::load_sys_class('model', '', 0);

class sitemodel_field_model extends model {

	public $table_name = '';

	public function __construct() {

		$this->db_config = pc_base::load_config('database');

		$this->db_setting = 'default';

		$this->table_name = 'model_field';

		parent::__construct();

	}

	/**

	 * 删除字段

	 * 

	 */

	public function drop_field($tablename,$field) {

		$this->table_name = $this->db_tablepre.$tablename;

		$fields = $this->get_fields();

		if(in_array($field, array_keys($fields))) {

			return $this->db->query("ALTER TABLE `$this->table_name` DROP `$field`;");

		} else {

			return false;

		}

	}

	

	/**

	 * 改变数据表

	 */

	public function change_table($tablename = '') {

		if (!$tablename) return false;

		

		$this->table_name = $this->db_tablepre.$tablename;

		return true;

	}

}

?>