攻克CakePHP系列三 表单数据增删改

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下面的代码是CakePHP下对表单数据的增加，删除，修改实现代码

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：

  1. <?php
  2. classCompaniesControllerextendsAppController
  3. {
  4. var$name='Companies';
  6. functionindex()
  7. {
  8. $this->set('companies',$this->Company->findAll());
  9. }
  11. functionview($id= null)
  12. {
  13. $this->Company->id =$id;
  14. $this->set('company',$this->Company->read());
  15. }
  17. functionadd()
  18. {
  19. if(!emptyempty($this->data))
  20. {
  21. if($this->Company->save($this->data))
  22. {
  23. $this->flash('Your post has been saved.','/companies');
  24. }
  25. }
  26. }
  28. functionedit($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. $this->flash('Your post has been updated.','/companies');
  40. }
  41. }
  42. }
  44. functiondelete($id)
  45. {
  46. $this->Company->del($id);
  47. $this->flash('The post with id: '.$id.' has been deleted.','/companies');
  48. }
  49. }
  50. ?>

company.php：

  1. <?php
  2. classCompanyextendsAppModel
  3. {
  4. var$name='Company';
  6. var$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. <h1>Test companies</h1>
  2. <table>
  3. <tr>
  4. <th>Id</th>
  5. <th>company</th>
  6. <th>price</th>
  7. <th>change</th>
  8. <th>last update</th>
  9. </tr>
  10. <?phpforeach($companiesas$company): ?>
  11. <tr>
  12. <td><?phpecho$company['Company']['id']; ?></td>
  13. <td>
  14. <?phpecho$html->link($company['Company']['company'],"/companies/view/".$company['Company']['id']); ?>
  16. <?phpecho$html->link('Delete',"/companies/delete/{$company['Company']['id']}", null,'Are you sure?')?>
  17. </td>
  18. <td><?phpecho$company['Company']['price']; ?></td>
  19. <td><?phpecho$company['Company']['change']; ?></td>
  20. <td><?phpecho$company['Company']['lastupd']; ?></td>
  21. </tr>
  22. <?phpendforeach; ?>
  23. </table>
  24. <p>
  25. <?phpecho$html->link('add',"/companies/add"); ?>
  26. </p>

view.thtml：

  1. <h1>Company: <?phpecho$company['Company']['company']?></h1>
  2. <p><small>Id: <?phpecho$company['Company']['id']?></small></p>
  3. <p>Price: <?phpecho$company['Company']['price']?></p>
  4. <p>Change: <?phpecho$company['Company']['change']?></p>
  5. <p>LastUpdate: <?phpecho$company['Company']['lastupd']?></p>
  6. <br/>
  7. <p>
  8. <?phpecho$html->link('edit',"/companies/edit/".$company['Company']['id']); ?>
  9. </p>

add.thtml：

  1. <h1>Add Company</h1>
  2. <form method="post"action="<?php echo $html->url('/companies/add')?>">
  3. <p>
  4. Company:
  5. <?phpecho$html->input('Company/company',array('size'=>'40'))?>
  6. <?phpecho$html->tagErrorMsg('Company/company','Company is required.') ?>
  7. </p>
  8. <p>
  9. Price:
  10. <?phpecho$html->input('Company/price',array('size'=>'40'))?>
  11. <?phpecho$html->tagErrorMsg('Company/company','Price is required.') ?>
  12. </p>
  13. <p>
  14. Change:
  15. <?phpecho$html->input('Company/change',array('size'=>'40'))?>
  16. <?phpecho$html->tagErrorMsg('Company/change','Change is required.') ?>
  17. </p>
  18. <p>
  19. Last Update:
  20. <?phpecho$html->input('Company/lastupd',array('size'=>'40'))?>
  21. <?phpecho$html->tagErrorMsg('Company/lastupd','Last Update is required.') ?>
  22. </p>
  23. <p>
  24. <?phpecho$html->submit('Save') ?> <?phpecho$html->link('return',"/companies/index"); ?>
  25. </p>
  26. </form>

edit.thtml：

  1. <h1>Edit Company</h1>
  2. <form method="post"action="<?php echo $html->url('/companies/edit')?>">
  3. <?phpecho$html->hidden('Company/id'); ?>
  4. <p>
  5. Company:
  6. <?phpecho$html->input('Company/company',array('size'=>'40'))?>
  7. <?phpecho$html->tagErrorMsg('Company/company','Company is required.') ?>
  8. </p>
  9. <p>
  10. Price:
  11. <?phpecho$html->input('Company/price',array('size'=>'40'))?>
  12. <?phpecho$html->tagErrorMsg('Company/company','Price is required.') ?>
  13. </p>
  14. <p>
  15. Change:
  16. <?phpecho$html->input('Company/change',array('size'=>'40'))?>
  17. <?phpecho$html->tagErrorMsg('Company/change','Change is required.') ?>
  18. </p>
  19. <p>
  20. Last Update:
  21. <?phpecho$html->input('Company/lastupd',array('size'=>'40'))?>
  22. <?phpecho$html->tagErrorMsg('Company/lastupd','Last Update is required.') ?>
  23. </p>
  24. <p>
  25. <?phpecho$html->submit('Save') ?> <?phpecho$html->link('return',"/companies/index"); ?>
  26. </p>
  27. </form>

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

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