如何从CodeIgniter中的表单验证回调方法返回数据? [英] How to return data from a form validation callback method in CodeIgniter?
问题描述
在CodeIgniter文档中此处
In the CodeIgniter docs here
该部分底部的注释指出:
The note at the bottom of that section states:
您也可以处理传递到回调的表单数据并返回它。如果您的回调函数返回的布尔值是TRUE / FALSE,则假定该数据是您新处理的表单数据。
You can also process the form data that is passed to your callback and return it. If your callback returns anything other than a boolean TRUE/FALSE it is assumed that the data is your newly processed form data.
验证图像上传并执行上传的回调函数,如下所示:
I have a callback function that validates an image upload and does the upload, like this:
public function upload() {
$this->form_validation->set_rules('imageFile', 'Image', 'callback_validate_image');
// ...
}
然后是回调函数:
public function validate_image() {
if (empty($_FILES['imageFile'])) {
$this->form_validation->set_message('validate_image', 'Please select a file');
return false;
}
$config = array (
'upload_path' => './uploads/',
'allowed_types' => 'jpg|jpeg|png|gif',
'max_size' => '5048576'
);
$this->load->library('upload', $config);
if (!$this->upload->do_upload('imageFile')) {
$this->form_validation->set_message('validate_image', $this->upload->display_errors());
return false;
} else {
$data = array('upload_data' => $this->upload->data());
return $data;
}
}
如何返回 $ data
到 upup
函数,以便可以在一个查询中将所有数据插入数据库中?
How can I return the $data
to the upload
function so that I can insert all data into the database in one query?
推荐答案
如果我做了您的代码部分,我会这样做
If i did your code part, i'll do like this
function upload()
{
// 'required' doesn't work on file inputs so use empty()
if (empty($_FILES['imageFile'])) {
// show error message
}
if ($this->form_validation->run() == FALSE)
{
echo "Please select a file";
//$this->load->view('myform');
}
else
{
$config = array (
'upload_path' => './uploads/',
'allowed_types' => 'jpg|jpeg|png|gif',
'max_size' => '5048576'
);
$this->load->library('upload', $config);
if (!$this->upload->do_upload('imageFile'))
{
$this->form_validation->set_message('validate_image', $this->upload->display_errors());
return false;
}
else {
$data['upload_data'] = $this->upload->data();
$data['form_data'] = $this->input->post(NULL, TRUE);
var_dump($data);
}
}
}
没有经过上传部分。在运行它之前进行测试
Didn't went through the upload part. Test it before run it
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