Example of how to use php to download files by clicking on the current page-PHP Tutorial-php.cn

Example of how to use php to download files by clicking on the current page

墨辰丷

Release： 2023-03-28 14:56:01

Original

1894 people have browsed it

This article mainly introduces the example of using PHP to download files by clicking on the current page. Interested friends can refer to it. I hope it will be helpful to everyone.

Code in php controller

public function downFile($path = &#39;&#39;){
    if(!$path) header("Location: /");
    download($path);
  }

Copy after login

download file download function code

function download($file_url,$new_name=&#39;&#39;){ 
    if(!isset($file_url)||trim($file_url)==&#39;&#39;){ 
      echo &#39;500&#39;; 
    } 
    if(!file_exists($file_url)){ //检查文件是否存在 
      echo &#39;404&#39;; 
    } 
    $file_name=basename($file_url); 
    $file_type=explode(&#39;.&#39;,$file_url); 
    $file_type=$file_type[count($file_type)-1]; 
    $file_name=trim($new_name==&#39;&#39;)?$file_name:urlencode($new_name); 
    $file_type=fopen($file_url,&#39;r&#39;); //打开文件 
    //输入文件标签 
    header("Content-type: application/octet-stream"); 
    header("Accept-Ranges: bytes"); 
    header("Accept-Length: ".filesize($file_url)); 
    header("Content-Disposition: attachment; filename=".$file_name); 
    //输出文件内容 
    echo fread($file_type,filesize($file_url)); 
    fclose($file_type);
}

Copy after login

html code

<iframe id="iframe" src="" style="display: none;"></iframe>
$(function(){
      $(&#39;.downLoad&#39;).click(function(){
        var path = $(this).attr(&#39;path&#39;);
        $(&#39;#iframe&#39;).attr(&#39;src&#39;,"php文件路径?path="+path);
      })
    })

Copy after login

Just put the above code into your program and execute it

The above is the entire content of this article, I hope It will be helpful to everyone’s study.

Related recommendations:

How does PHP get the first non-repeating character in the character stream

PHP method to implement clockwise printing of matrices and spiral matrices

#PHP method to determine whether a binary tree is symmetrical

PHP learning: Predefined variable details

The above is the detailed content of Example of how to use php to download files by clicking on the current page. For more information, please follow other related articles on the PHP Chinese website!