image
New_model
=========
<?php defined('BASEPATH') OR exit('No direct script access allowed');
class New_model extends CI_Model
{
private $_table = "news";
public $title;
public $date;
public $description;
public $image = "default.jpg";
public $url;
public function rules()
{
return [
['field' => 'title',
'label' => 'Title',
'rules' => 'required'],
['field' => 'date',
'label' => 'Date',],
// 'rules' => 'required'],
['field' => 'description',
'label' => 'Description',
'rules' => 'required']
];
}
public function getAll()
{
return $this->db->get($this->_table)->result();
}
public function getById($id)
{
return $this->db->get_where($this->_table, ["new_id" => $id])->row();
}
public function save()
{
$post = $this->input->post();
// $this->new_id = uniqid();
$this->title = $post["title"];
$this->date = $post["date"];
$this->description = $post["description"];
$this->image = $this->_uploadImage();
$this->db->insert($this->_table, $this);
// $this->url = base_url() . 'uploads/';
$post['url'] = base_url() . 'uploads/';
}
public function update()
{
$post = $this->input->post();
$this->new_id = $post["id"];
$this->title = $post["title"];
$this->date = $post["date"];
$this->description = $post["description"];
if (!empty($_FILES["image"]["name"])) {
$this->image = $this->_uploadImage();
} else {
$this->image = $post["old_image"];
}
$this->db->update($this->_table, $this, array('new_id' => $post['id']));
}
public function delete($id)
{
$this->_deleteImage($id);
return $this->db->delete($this->_table, array("new_id" => $id));
}
private function _uploadImage()
{
$config['upload_path'] = './uploads/';
$config['allowed_types'] = 'gif|jpg|png|jpeg';
// $config['file_name'] = $this->new_id;
$config['overwrite'] = true;
$config['max_size'] = 1024; // 1MB
// $config['max_width'] = 1024;
// $config['max_height'] = 768;
$this->load->library('upload', $config);
if ($this->upload->do_upload('image')) {
return $this->upload->data("file_name");
}
return "default.jpg";
}
private function _deleteImage($id)
{
$new = $this->getById($id);
if ($new->image != "default.jpg") {
$filename = explode(".", $new->image)[0];
return array_map('unlink', glob(FCPATH."uploads/$filename.*"));
}
}
}
public function single($id)
{
$data['news'] = $this->New_model->where('new_id',$id)->order_by('new_id','desc')->get_all();
$data['news1'] = $this->New_model->limit(5)->order_by('id','desc')->get_all();
$this->current = 'news';
$this->load->view(['current' => $this->current]);
$this->load->view('news',$data);
}
Controller
==========
public function index()
{
$data["news"] = $this->New_model->getAll();
$this->load->view('index',$data);
}
public function latestnews()
{
$data['news'] = $this->New_model->where('new_id',$id)->order_by('new_id','desc')->get_all();
$this->load->view('news',$data);
}
view
====
<?php
if (isset($news) and $news) {
foreach ($news as $new) {
?>
<div class="tile-primary-content">
<img src="<?php echo $new->url . $new->image;?>" alt="image" />
</div>
<div class="tile-secondary-content">
<div class="section-title-1">
<span class="title"><?php echo $new->title;?></span>
</div>
<h2 class="heading-20"><?php echo $new->date;?></h2>
</div>
<?php
}
}
?>
我正在尝试在仪表板中上传带有标题和日期以及图像上传的图像。
- 如何在主页上显示该图像？
- 如何在New_model中设置网址？
- 如何设置链接以在主页中显示图像？
- 如何设置日期链接？
- 标题字段可以在主页中查看，但没有图像和日期...
试试这段代码。
控制器：(已编辑(
function index() {
$this->data["news"] = $this->new_model->getAll();
$this->load->view('index', $this->data);
}
function single_news($id) {
$this->data['news_data'] = $this->new_model->getNewsByID($id);
$this->load->view('single-news', $this->data); // Create New View file named single-news.php
}
function add_news() {
$image_status = FALSE;
$this->load->library('form_validation');
$this->form_validation->set_rules('title', 'Title', 'required');
$this->form_validation->set_rules('description', 'Description', 'required');
if($this->form_validation->run() == TRUE) {
$image_name = NULL;
if ($_FILES['image']['size'] > 0) {
$this->load->library('upload');
$config['upload_path'] = 'uploads/';
$config['allowed_types'] = 'gif|jpg|png|jpeg';
$config['max_size'] = '1024';
$config['overwrite'] = TRUE;
$this->upload->initialize($config);
if( ! $this->upload->do_upload('image')){
$this->data['error'] = $this->upload->display_errors();
}
$image_name = $this->upload->file_name;
$image_status = TRUE;
}
$data = array(
'title' => $this->input->post('title'),
'date' => $this->input->post('date')?date('Y-m-d', strtotime($this->input->post('date'))):NULL,
'description' => $this->input->post('description'),
'image' => $image_name
);
}
if($this->form_validation->run() == TRUE && $image_status && $this->new_model->addNews($data)) {
$this->session->set_flashdata('message', 'News has been created successfully.');
redirect('index');
} else {
$this->data['error'] = (validation_errors()) ? validation_errors() : $this->session->flashdata('error');
$this->data['page_title'] = 'Add News';
$this->load->view('add_news', $this->data);
}
}
添加新新闻时，您无需添加上传的位置(非必需(。
型号：(已编辑(
function getAll() {
$q = $this->db->get('news');
if($q->num_rows() > 0) {
foreach($q->result() as $row) {
$data[] = $row;
}
return $data;
}
return false;
}
function getNewsByID($id) {
$this->db->where('id', $id);
$q = $this->db->get('news');
if($q->num_rows() > 0) {
return $q->row();
}
return false;
}
function addNews($data) {
if($this->db->insert('news', $data)){
return true;
}
return false;
}
查看：(已编辑(
<?php
if ($news) {
foreach ($news as $new) {
?>
<div class="tile-primary-content">
<a href="<?php echo base_url('single_news/'.$new->id); ?>"
<img src="<?php echo site_url('uploads/'.$new->image); ?>" alt="image" />
</a>
</div>
<div class="tile-secondary-content">
<div class="section-title-1">
<span class="title"><?php echo $new->title;?></span>
</div>
<h2 class="heading-20"><?php echo !is_null($new->date)?date('d.m.Y', strtotime($new->date)):' - ';?></h2>
</div>
<?php
}
}
?>
单条新闻.php： (查看(
...
<img src="<?php echo site_url('uploads/'.$news_data->image); ?>" />
...