cakephp 和 add 方法(外键)
刚开始使用 cakephp,几年后几乎使用 php 没有使用它......
我有一个像这样的表结构: 父表......客户:
<?php
class Cliente extends AppModel
{
var $name = 'Cliente';
var $validate = array(
'nombre' => array('rule'=>'notEmpty')
);
var $hasMany = array(
'Proyecto' => array(
'className' => 'Proyecto',
'foreignKey' => 'cliente_id',
'order' => 'Proyecto.nombre ASC',
'dependent' => true
)
);
}
?>
子表:Proyects.. 一个客户可以分配多个项目。
<?php
class Proyecto extends AppModel
{
var $name = 'Proyecto';
var $validate = array(
'nombre' => array('rule'=>'notEmpty')
);
//var $belongsTo = 'Cliente';
var $belongsTo = array(
'Cliente' => array(
'className' => 'Cliente',
'foreignKey' => 'cliente_id'
)
);
}
?>
只能从索引客户端视图添加(INSERT)项目。所以,我有这个添加(anadir)方法:
function anadir($cliente_id, $nombre) {
if (!empty($this->data)) {
// echo "El código de cliente 22222: ". $this->data['Proyecto']['id'] . "</br>";
// echo "El código de cliente fk: ". $this->data['Proyecto']['cliente_id'] . "</br>" ;
// print_r($this->data);
//$this->data['Proyecto']['cliente_id'] = $cliente_id;
if ($this->Proyecto->save($this->data)) {
$this->Session->setFlash('El proyecto ha sido grabado.');
$this->redirect(array('controller'=>'clientes', 'action'=>'listar'));
}
} else {
//echo "El código de cliente 11111: ". $this->data['Proyecto']['id'];
$this->data['Proyecto']['cliente_id'] = $cliente_id;
}
$this->set('idcliente', $cliente_id);
$this->set('nombrecliente', $nombre);
}
我可以在“anadir.ctp”视图中显示父客户端(id和编号),但它总是更新相同的项目,仅更改名称和描述。表中不执行 ADD/INSERT,仅执行 UPDATE。
<!-- File: /app/views/proyectos/anadir.ctp -->
<h1>Añadir proyecto a cliente <?php echo "[$idcliente] - $nombrecliente"; ?></h1>
<?php
//echo $this->Form->create('Proyecto', array('action' => 'anadir'));
echo $this->Form->create('Proyecto', array('url' => '/proyectos/anadir/'.$idcliente.'/'.$nombrecliente)); // array('action' => 'anadir'));
echo $this->Form->input('cliente_id', array('type' => 'hidden'));
echo $this->Form->input('nombre');
echo $this->Form->input('descripcion', array('rows' => '10'));
echo $this->Form->end('Grabar proyecto');
echo $this->Html->link('Cancelar', array('controller'=>'clientes', 'action'=>'listar'));
?>
当然这是一个新手问题,但我几乎尝试了所有方法。
有什么想法吗?
提前致谢。
==== 最后====
经过几天的努力解决这个问题,它现在正在运行。但我无法理解这个问题,我也没有解释为什么我遇到了这个奇怪的问题...
所以我将期待 symfony2 也许更难开始,但我希望更灵活(具有多主键和外键支持,主要)并且比cakephp清晰。
just starting with cakephp and almost with php after a few years without use it....
I have a table structure like this:
Parent table...... Clients:
<?php
class Cliente extends AppModel
{
var $name = 'Cliente';
var $validate = array(
'nombre' => array('rule'=>'notEmpty')
);
var $hasMany = array(
'Proyecto' => array(
'className' => 'Proyecto',
'foreignKey' => 'cliente_id',
'order' => 'Proyecto.nombre ASC',
'dependent' => true
)
);
}
?>
And child table: Proyects..
A client can have several projects assigned.
<?php
class Proyecto extends AppModel
{
var $name = 'Proyecto';
var $validate = array(
'nombre' => array('rule'=>'notEmpty')
);
//var $belongsTo = 'Cliente';
var $belongsTo = array(
'Cliente' => array(
'className' => 'Cliente',
'foreignKey' => 'cliente_id'
)
);
}
?>
Proyects only can be added (INSERT) from the index client view. So, I have this add (anadir) method:
function anadir($cliente_id, $nombre) {
if (!empty($this->data)) {
// echo "El código de cliente 22222: ". $this->data['Proyecto']['id'] . "</br>";
// echo "El código de cliente fk: ". $this->data['Proyecto']['cliente_id'] . "</br>" ;
// print_r($this->data);
//$this->data['Proyecto']['cliente_id'] = $cliente_id;
if ($this->Proyecto->save($this->data)) {
$this->Session->setFlash('El proyecto ha sido grabado.');
$this->redirect(array('controller'=>'clientes', 'action'=>'listar'));
}
} else {
//echo "El código de cliente 11111: ". $this->data['Proyecto']['id'];
$this->data['Proyecto']['cliente_id'] = $cliente_id;
}
$this->set('idcliente', $cliente_id);
$this->set('nombrecliente', $nombre);
}
I can show the parent client (id and number) in the 'anadir.ctp' view, but it always update the same proyect, changing the name and description only. No ADD/INSERT is done in the table, only UPDATE.
<!-- File: /app/views/proyectos/anadir.ctp -->
<h1>Añadir proyecto a cliente <?php echo "[$idcliente] - $nombrecliente"; ?></h1>
<?php
//echo $this->Form->create('Proyecto', array('action' => 'anadir'));
echo $this->Form->create('Proyecto', array('url' => '/proyectos/anadir/'.$idcliente.'/'.$nombrecliente)); // array('action' => 'anadir'));
echo $this->Form->input('cliente_id', array('type' => 'hidden'));
echo $this->Form->input('nombre');
echo $this->Form->input('descripcion', array('rows' => '10'));
echo $this->Form->end('Grabar proyecto');
echo $this->Html->link('Cancelar', array('controller'=>'clientes', 'action'=>'listar'));
?>
Surely it is a newbie question but I have tried almost everything.
Any idea ?
Thanks in advance.
==== Finally ====
After a few days trying to solve this it is running now. But I cannot understand the problem and I have no explanation why I have had that weird problem...
So I am going to look forward symfony2 Perhaps more difficult to start with but I hope more flexible (with multi Primary Keys and foreign key support, mainly) and clear than cakephp.
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上面的模型是相同的
,但更改下面的代码并尝试
Above Model are same
but change below code and try
因此,看起来(正如deizel建议的那样)您已经在
$this->data
中以某种方式设置了id
,可能是一个字段表格有误,不确定(您可以在这里发布您的观点,以便我们查看)。检查它的最好方法是监视实际的 SQL 查询;将其放在$this->Model->save()
之后(尚未添加$this->Model->create()
,用于调试目的) :将上述输出添加到您的问题中。
关于
$this->Model->create()
:在$this->Model->save()
之前调用它是完全可以的,甚至推荐。这就像变量初始化 - 当您绝对确定自己在做什么时,您可以跳过它,但需要您自担风险。要解决
Missing argument 1 for ProyectosController::anadir()
错误,您应该在此处发布您的 URL。它应该类似于/proyectos/anadir/2/10
。So it still looks (as deizel suggested) that you've got
id
set in your$this->data
somehow, probably a field with mistaken in a form, not sure (you can post your view here so we can take a look). The best way to check it is to monitor actual SQL queries; put this after$this->Model->save()
(without adding$this->Model->create()
yet, for debug purposes):Add output of above to your question.
Regarding
$this->Model->create()
: calling it prior to$this->Model->save()
is perfectly ok and even recommended. It's like variable initialization - you can skip it, but at your own risk, when you're absolutely sure what you're doing.To address
Missing argument 1 for ProyectosController::anadir()
error you should post your URL here. It should be something like/proyectos/anadir/2/10
.如果此时数据中存在 ID,CakePHP 将执行更新:
取消注释以下行并检查是否没有
$this->data['Proyecto']['id']
值:CakePHP will perform an update if an ID exists in your data at this point:
Uncomment the following line and check there is no
$this->data['Proyecto']['id']
value:通过@lxa的评论,我让它以这种方式运行:
用这个替换
function anadir
(我也删除了评论):这行确实可以解决问题:
$this- >Proyecto->create();
它运行了,但我不知道它是否真的正确。
我终于开始看到 Symfony2 了。也许学习曲线会比cakephp更大,但是cakephp给了我很多外键和数据库处理方式的问题。
问候并感谢有人试图回答。
With the comment of @lxa I have get it to run in this way:
Replace
function anadir
with this one (I have remove comments too):Really this line does the trick:
$this->Proyecto->create();
It runs but I don't know if it is really right or not.
At last I am starting to see Symfony2. Perhaps the learning curve will be bigger than cakephp, but cakephp is given me a lot of problems with foreign keys and the way of do on databases.
Greetings and thanks to somebody trying to answer.