php多文件上传下载示例分享

复制代码 代码如下:

   
   


   

       
       

       
       

       
       

       
       

       
       

       
   

index_uploads.php

复制代码 代码如下:

    echo "

";<br>    print_r($_FILES);<br>    echo "

";

    $count = count($_FILES['file']['name']);

    for ($i = 0; $i         $tmpfile = $_FILES['file']['tmp_name'][$i];
        $filefix = array_pop(explode(".", $_FILES['file']['name'][$i]));
        $dstfile = "uploads/files/".time()."_".mt_rand().".".$filefix;

        if (move_uploaded_file($tmpfile, $dstfile)) {
            echo "<script>alert('succeed!');window.location.href='listdir.php';</script>";
        } else {
            echo "<script>alert('fail!');window.location.href='index_uploads.php';</script>";
        }
    }

uploads.php

复制代码 代码如下:

    header("content-type:text/html;charset=utf-8");
    $dirname = "uploads/files";

    function listdir($dirname) {
        $ds = opendir($dirname);
        while ($file = readdir($ds)) {
            $path = $dirname.'/'.$file;
            if ($file != '.' && $file != '..'){
                if (is_dir($path)) {
                    listdir($path);
                } else {
                    echo "

";
                    echo "";
                    echo "Download";
                    echo "";
                }
            }
        }
    }
    echo "

图片下载|图片上传

";
    echo "";
    listdir($dirname);
    echo "";

listdir.php

复制代码 代码如下:

    $imgfile = $_GET['imgfile'];
    $path = './uploads/files/'.$imgfile;
    $imgsize = filesize($path);

    header("content-type:application/octet-stream");
    header("content-disposition:attachment;filename={$imgfile}");
    header("content-length:{$imgsize}");
    readfile($path);

download.php

download.php

核心下载：

复制代码 代码如下:

header("content-type:application/octet-stream");
header("content-disposition:attachment;filename={$imgfile}");
header("content-length:{$imgsize}");
readfile($path);