CREATE TABLE `test_avatar` (
 `uid` int(11) unsigned NOT NULL DEFAULT '0',
 `avatar` varchar(255) NOT NULL DEFAULT '',
 PRIMARY KEY (`uid`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;
INSERT INTO `test_avatar` VALUES (1,'./Uploads/admin.jpg');

CREATE TABLE `test_pro` (
 `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
 `uid` int(11) unsigned NOT NULL DEFAULT '0',
 `name` varchar(255) NOT NULL DEFAULT '',
 PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;

INSERT INTO `test_pro` VALUES (1,1,'产品1'),(2,1,'产品2');
CREATE TABLE `test_user` (
 `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
 `username` varchar(50) NOT NULL DEFAULT '',
 `tel` int(11) unsigned NOT NULL DEFAULT '0',
 PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;
INSERT INTO `test_user` VALUES (1,'admin',110);

class ProModel extends RelationModel{
 protected $_link=array(
 'Avatar'=>array(
 'mapping_type'=>self::HAS_ONE,
 'class_name'=>'Avatar',
 'foreign_key'=>'uid',
 'mapping_fields'=>'avatar',
 'as_fields'=>'avatar',
 ),
  )
}

class ProModelModel extends ViewModel { 
 public $viewFields = array(  
 'test_avatar'=>array(
 'id',...
 ),  
 'test_pror'=>array(
 'id',...
 '_on'=>''
 ),  
    'test_pror'=>array(
 'id',...
 '_on'=>''
 ), 
 ); 
}

$where = array('该字段'=>array('LIKE', '%' . $ID . '%'));