简单的php文件上传。一个文件搞定。

有staff需要临时上传文件作中转，于是就写了个uploads.php 这个来方便他上传下载。

把下面代码另存为uploads.php 然后放在www目录即可

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">  
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">  
<head>  
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />  
    <meta name="author" content="xyl" />  
    <title>简易文件上传</title>  
</head>  
<style type="text/css">  
</style>  
<body>  
<form enctype="multipart/form-data" action="" method="post">  
请选择文件： <br>  
    <input name="upload_file" type="file"><br>  
    <input type="submit" value="上传文件">  
</form>  
<br />  
<br />  
<br />  
<br />  
<?  
/*  
 * uploads.php  
 * @name:       simeple php file upload && download tool  
 * @author:     rainysia  
 * @copyright:  Copyright (c) 2006 - 2013, BTROOT, Inc.  
 * @version:    Version 1.0  
 * @createTime: 2013-09-17 23:31:02  
 * @lastChange: 2013-10-17 15:55:40  
 */  
function file_list($dir,$pattern=""){  
    $arr=array();  
    $dir_handle=opendir($dir);  
    if($dir_handle){  
        while(($file=readdir($dir_handle))!==false){  
            if($file==='.' || $file==='..'){  
                continue;  
            }  
            $tmp=realpath($dir.'/'.$file);  
            if(is_dir($tmp)){  
                $retArr=file_list($tmp,$pattern);  
                if(!empty($retArr)){  
                    $arr[]=$retArr;  
                }  
            } else {  
                if($pattern==="" || preg_match($pattern,$tmp)){  
                    $arr[]=$tmp;  
                }  
            }  
        }  
        closedir($dir_handle);  
    }  
    return $arr;  
}  
$d_root = $_SERVER['DOCUMENT_ROOT'];  
$store_dir = "$d_root/uploads/";// 上传文件的储存位置  
if (!is_dir($store_dir)) {  
    mkdir($store_dir,0777,true);  
}  
$file_arr = file_list($store_dir);  
foreach ($file_arr as $v=>$k) {  
    $d_root_no = strlen($d_root);  
    $l = substr($k,$d_root_no);  
    echo $v.'号文件下载地址为:  <a class="download_url" style="color:#01BCC8;text-decoration:none;font-size:16px;font-weight:bold;" href="'.$l.'">'.$_SERVER['SERVER_ADDR'].$l.'<a/><br />';  
}  
$upload_file=isset($_FILES['upload_file']['tmp_name'])?$_FILES['upload_file']['tmp_name']:'';  
$upload_file_name=isset($_FILES['upload_file']['name'])?$_FILES['upload_file']['name']:'';  
$upload_file_size=isset($_FILES['upload_file']['size'])?$_FILES['upload_file']['size']:'';  
if($upload_file){  
    $file_size_max = 1000*1000*200;// 200M限制文件上传最大容量(bytes)  
    if (!is_dir($store_dir)) {  
        mkdir($store_dir,0777,true);  
    }  
    $accept_overwrite = 1;//是否允许覆盖相同文件  
    // 检查文件大小  
    if ($upload_file_size > $file_size_max) {  
        echo "对不起，你的文件容量大于规定";  
        exit;  
    }  
    // 检查读写文件  
    if (file_exists($store_dir . $upload_file_name) && !$accept_overwrite) {  
        echo "存在相同文件名的文件";  
        exit;  
    }  
    //复制文件到指定目录  
    if (!move_uploaded_file($upload_file,$store_dir.$upload_file_name)) {  
        echo "复制文件失败";  
        exit;  
    }  
}  
if (isset($_FILES['upload_file'])) {  
    echo "<p>你上传了文件:";  
    echo isset($_FILES['upload_file']['name'])?$_FILES['upload_file']['name']:'';  
    echo "<br>";  
    //客户端机器文件的原名称。  
  
    echo "文件的 MIME 类型为:";  
    echo isset($_FILES['upload_file']['type'])?$_FILES['upload_file']['type']:'';  
    //文件的 MIME 类型，需要浏览器提供该信息的支持，例如“image/gif”。  
    echo "<br>";  
  
    echo "上传文件大小:";  
    echo isset($_FILES['upload_file']['size'])?$_FILES['upload_file']['size']:'';  
    //已上传文件的大小，单位为字节。  
    echo "<br>";  
  
    echo "文件上传后被临时储存为:";  
    echo isset($_FILES['upload_file']['tmp_name'])?$_FILES['upload_file']['tmp_name']:'';  
    //文件被上传后在服务端储存的临时文件名。  
    $erroe = isset($_FILES['upload_file']['error'])?$_FILES['upload_file']['error']:'';  
    switch($erroe){  
    case 0:  
        echo "上传成功"; break;  
    case 1:  
        echo "上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值."; break;  
    case 2:  
        echo "上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值。"; break;  
    case 3:  
        echo "文件只有部分被上传"; break;  
    case 4:  
        echo "没有文件被上传"; break;  
    case 6:  
        echo "没有缓存目录"; break;  
    case 7:  
        echo "上传目录不可读"; break;  
    case 8:  
        echo "上传停止"; break;  
    default :  
        echo "没有选择上传文件"; break;  
    }  
    echo "<script language=JavaScript>location.replace(location.href);</script>";  
}  
?>  
</body>  
</html>

补充：Web开发 , php ,