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

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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);
  }

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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);
}

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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);
      })
    })

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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.

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