Cakephp form data display method steps

First create the database cake_ext, and execute the following sql text:

CREATE TABLE `companies` (
`id` int(11) NOT NULL auto_increment,
`company` varchar(50) NOT NULL,
`PRice` decimal(8,2) NOT NULL,
`change` decimal(8,2) NOT NULL,
`lastudp` date NOT NULL,
PRIMARYKEY(`id`)
)ENGINE=MyISAMAUTO_INCREMENT=8DEFAULTCHARSET =utf8;

-----------------------------
-- Records
---------- --------------------
INSERT INTO `companies` VALUES ('1', '3m Co', '71.72', '0.02', '2008-10- 21');
INSERT INTO `companies` VALUES ('2', 'Alcoa Inc', '29.01', '0.42', '2008-10-20');
INSERT INTO `companies` VALUES ('3', 'AT&T Inc.', '31.61', '-0.48', '2008-10-21');
INSERT INTO `companies` VALUES ('4', 'Boeing Co.', '75.43', '0.53', '2008-10-13');
INSERT INTO `companies` VALUES ('5', 'United Technologies Corporation', '63.26', '0.55', '2008-10-09');
INSERT INTO `companies` VALUES ('6', 'Intel Corporation', '19.88', '0.31', '2008-10-15');
INSERT INTO `companies` VALUES ('7', 'Exxon Mobil Corp', '68.10', '-0.43', '2008-10-17');
Create the project as shown below:

The database configuration file is as follows:

classDATABASE_CONFIG
{
var$default=array('driver'=>'MySQL' ,
'connect'=>'mysql_connect',
'host'=>'localhost',
'login'=>'root',
'passWord'=>'root',
'database'= >'cake_ext',
'prefix'=>'');

var$test=array('driver'=>'mysql',
'connect'=>'mysql_connect',
'host' =>'localhost',
'login'=>'root',
'password'=>'root',
'database'=>'cake_ext',
'prefix'=>'') ;
}
companies_controller.php：

classCompaniesControllerextendsAppController
{
var$name='Companies';

functionindex()
{
$this->set('companies',$this-> ;Company->findAll());
}

functionview($id= null)
{
$this->Company->id =$id;
$this->set('company', $this->Company->read());
}
}
?>
company.php：

classCompanyextendsAppModel
{
var$name='Company';
}
?>
index.thtml：

Test companies

Company: