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

How to use php to download files by clicking on the current page

墨辰丷

Release： 2023-03-28 21:48:01

Original

2061 people have browsed it

This article mainly introduces the method 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

Put the above code separately Just execute it in your program.

Summary: The above is the entire content of this article, I hope it will be helpful to everyone's study.

Related recommendations:

PHP imitates WeChat sending red envelopes and receiving red envelopes

phpwill serve Read the file on the end and display it on the web page example

Use php to interact with the server and web front-end interface

The above is the detailed content 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!