php 上传文件实例 上传并下载word文件

时间：2021-10-15 07:21:57

上传界面

<!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">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>无标题文档</title>

</head>

<body>

<h1>上传文件</h1>

<div>说明：只能上传word文档，上传文件的大小必须小于1M</div>

<br />

<form action="wenjianchuli5.php" method="post" enctype="multipart/form-data">

    <input type="file" name="file" />

    <input type="submit" value="上传" />

</form>

</body>

</html>

显示并处理界面

<?php

session_start();

$_SESSION["uid"] = "lisi";

include("DBDA.php");

$db = new DBDA();

var_dump($_FILES);

$filename="";

//加限制条件

if($_FILES["file"]["type"]=="application/octet-stream" && $_FILES["file"]["size"]<1048576)

{

    //造存储路径

    $filename="./img/".date("YmdHis").$_FILES["file"]["name"];

    //转编码格式

    $filename = iconv("utf-8","gb2312",$filename);

    //文件是否存在

    if(!file_exists($filename))

    {

        //移动文件保存

        move_uploaded_file($_FILES["file"]["tmp_name"],$filename);

    }

}

//向文件表添加一条数据

$uid = $_SESSION["uid"];

$lujing = iconv("gb2312","utf-8",$filename);

$urls = "/".$lujing;

$times = date("Y-m-d H:i:s");

$name = $_FILES["file"]["name"];

$sql = "insert into wenjian values('','{$uid}','{$urls}','{$times}','{$name}')";

$db->Query($sql,0);

header("location:wenjianshangchuan6.php");

显示界面

<!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">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>无标题文档</title>

</head>

<?php

session_start();

include("DBDA.php");

$db = new DBDA();

$uid = $_SESSION["uid"];

$sql = "select * from wenjian where uid='{$uid}'";

$attr = $db->Query($sql);

?>

<body>

<h1>文件管理页面</h1>

<table width="100%" border="1" cellpadding="0" cellspacing="0">

<tr>

    <td>上传者</td>

    <td>上传时间</td>

    <td>文件名</td>

    <td>操作</td>

</tr>

<?php

    foreach($attr as $v)

    {

        $sname = "select name from users where uid='{$v[1]}'";

        $name = $db->StrQuery($sname);

        echo "<tr>

    <td>{$name}</td>

    <td>{$v[3]}</td>

    <td>{$v[4]}</td>

    <td><a href='{$v[2]}'>下载</a></td>

</tr>";

    }

?>

</table>

</body>

</html>

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