PHP implementation of the current page click on the download file instance

Code in the PHP controller

publicfunction downFile($path= ‘‘){

     if (! $path ) header( "Location: /" );      download( $path );    } download File download function code function download($file_url,$new_name=‘‘){      if (!isset( $file_url )||trim( $file_url )== ‘‘ ){        echo ‘500‘ ;      }      if (! file_exists ( $file_url )){  //检查文件是否存在        echo ‘404‘ ;      }      $file_name = basename ( $file_url );      $file_type = explode ( ‘.‘ , $file_url );      $file_type = $file_type [ count ( $file_type )-1];      $file_name =trim( $new_name == ‘‘ )? $file_name :urlencode( $new_name );      $file_type = fopen ( $file_url , ‘r‘ );  //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 ); } HTML code <iframe id="iframe" src="" style="display: none;"></iframe> $( function (){        $( ‘.downLoad‘ ).click( function (){          var path = $(this).attr( ‘path‘ );          $( ‘#iframe‘ ).attr( ‘src‘ , "php文件路径?path=" +path);        })      })

PHP implementation of the current page click on the download file instance