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CodeIgniter - 文件上传

使用File Uploading类，无涯教程可以上传文件，也可以限制要上传文件的类型和大小。按照给定示例步骤操作，以了解CodeIgniter中的文件上传过程。

文件上传示例

复制以下代码并将其存储在 application/view/Upload_form.php 中。

<html>
 
   <head> 
      <title>Upload Form</title> 
   </head>
	
   <body> 
      <?php echo $error;?> 
      <?php echo form_open_multipart('upload/do_upload');?> 
		
      <form action="" method="">
         <input type="file" name="userfile" size="20" /> 
         <br /><br /> 
         <input type="submit" value="upload" /> 
      </form> 
		
   </body>
	
</html>

复制下面给出的代码，并将其存储在 application/view/Upload_success.php

链接：https://www.learnfk.comhttps://www.learnfk.com/codeigniter/codeigniter-file-uploading.html

来源：LearnFk无涯教程网

复制代码

<html>
 
   <head> 
      <title>Upload Form</title> 
   </head>
	
   <body>  
      <h3>Your file was successfully uploaded!</h3>  
		
      <ul> 
         <?phpforeach ($upload_data as $item => $value):?> 
         <li><?php echo $item;?>: <?php echo $value;?></li> 
         <?phpendforeach; ?>
      </ul>  
		
      <p><?php echo anchor('upload', 'Upload Another File!'); ?></p>  
   </body>
	
</html>

复制下面给出的代码，并将其存储在 application/controllers/Upload.php 中。在CodeIgniter的根目录中创建" uploads "文件夹。

复制代码

<?php
  
   class Upload extends CI_Controller {
	
      public function __construct() { 
         parent::__construct(); 
         $this->load->helper(array('form', 'url')); 
      }
		
      public function index() { 
         $this->load->view('upload_form', array('error' => ' ' )); 
      } 
		
      public function do_upload() { 
         $config['upload_path']  ='./uploads/'; 
         $config['allowed_types']='gif|jpg|png'; 
         $config['max_size']     =100; 
         $config['max_width']    =1024; 
         $config['max_height']   =768;  
         $this->load->library('upload', $config);
			
         if ( ! $this->upload->do_upload('userfile')) {
            $error=array('error' => $this->upload->display_errors()); 
            $this->load->view('upload_form', $error); 
         }
			
         else { 
            $data=array('upload_data' => $this->upload->data()); 
            $this->load->view('upload_success', $data); 
         } 
      } 
   } 
?>