攻克CakePHP系列三 表单数据增删改_php技巧

这里声明一点，上例中不小心把数据库表中lastupd字段错打成lastudp，本例子予以更正。

除上诉字段数据库与上例一致。

工程仍沿用上例，如下图：

代码依次为：

database.php：与上例一致。

companies_controller.php：

2. class CompaniesController extends AppController
3. {
4.     var $name = 'Companies';
5.     
6.     function index()
7.     {
8.         $this->set('companies', $this->Company->findAll());
9.     }
10.     
11.     function view($id = null)
12.     {
13.         $this->Company->id = $id;
14.         $this->set('company', $this->Company->read());
15.     }
16.     
17.     function add()
18.     {
19.         if (!emptyempty($this->data))
20.         {
21.             if ($this->Company->save($this->data))
22.             {
23.                 $this->flash('Your post has been saved.','/companies');
24.             }
25.         }
26.     }
27.     
28.     function edit($id = null)
29.     {
30.         if (emptyempty($this->data))
31.         {
32.             $this->Company->id = $id;
33.             $this->data = $this->Company->read();
34.         }
35.         else
36.         {
37.             if ($this->Company->save($this->data['Company']))
38.             {
39.                 $this->flash('Your post has been updated.','/companies');
40.             }
41.         }
42.     }
43.     
44.     function delete($id)
45.     {
46.         $this->Company->del($id);
47.         $this->flash('The post with id: '.$id.' has been deleted.', '/companies');
48.     }
49. }
50. ?>

company.php：

2. class Company extends AppModel
3. {
4.     var $name = 'Company';
5.     
6.     var $validate = array(
7.         'company' => VALID_NOT_EMPTY,
8.         'price'   => VALID_NOT_EMPTY,
9.         'change'  => VALID_NOT_EMPTY,
10.         'lastupd' => VALID_NOT_EMPTY
11.     );
12. }
13. ?>

index.thtml：

1. Test companies

2. foreach ($companies as $company): ?>
   endforeach; ?>  

   Id	company	price	change	last update
   echo $company['Company']['id']; ?>	echo $html->link($company['Company']['company'], "/companies/view/".$company['Company']['id']); ?>      echo $html->link('Delete', "/companies/delete/{$company['Company']['id']}", null, 'Are you sure?')?>	echo $company['Company']['price']; ?>	echo $company['Company']['change']; ?>	echo $company['Company']['lastupd']; ?>

4. echo $html->link('add', "/companies/add"); ?>

view.thtml：

1. Company: echo $company['Company']['company']?>

2. Id: echo $company['Company']['id']?>

3. Price: echo $company['Company']['price']?>

4. Change: echo $company['Company']['change']?>

5. LastUpdate: echo $company['Company']['lastupd']?>

6. 
   
8. echo $html->link('edit', "/companies/edit/".$company['Company']['id']); ?>

add.thtml：

1. Add Company

2. "post" action="url('/companies/add')?>">

   Company:

   echo $html->input('Company/company', array('size' => '40'))?>

   echo $html->tagErrorMsg('Company/company', 'Company is required.') ?>

   Price:

   echo $html->input('Company/price', array('size' => '40'))?>

   echo $html->tagErrorMsg('Company/company', 'Price is required.') ?>

   Change:

   echo $html->input('Company/change', array('size' => '40'))?>

   echo $html->tagErrorMsg('Company/change', 'Change is required.') ?>

   Last Update:

   echo $html->input('Company/lastupd', array('size' => '40'))?>

   echo $html->tagErrorMsg('Company/lastupd', 'Last Update is required.') ?>

   echo $html->submit('Save') ?> echo $html->link('return', "/companies/index"); ?>

edit.thtml：

1. Edit Company

2. "post" action="url('/companies/edit')?>">

   echo $html->hidden('Company/id'); ?>

   Company:

   echo $html->input('Company/company', array('size' => '40'))?>

   echo $html->tagErrorMsg('Company/company', 'Company is required.') ?>

   Price:

   echo $html->input('Company/price', array('size' => '40'))?>

   echo $html->tagErrorMsg('Company/company', 'Price is required.') ?>

   Change:

   echo $html->input('Company/change', array('size' => '40'))?>

   echo $html->tagErrorMsg('Company/change', 'Change is required.') ?>

   Last Update:

   echo $html->input('Company/lastupd', array('size' => '40'))?>

   echo $html->tagErrorMsg('Company/lastupd', 'Last Update is required.') ?>

   echo $html->submit('Save') ?> echo $html->link('return', "/companies/index"); ?>

如此访问http://localhost/cakephp/companies即可测试代码。