php的文件上传及下载，附带显示文件及目录
主页面wenjianceshi.php
<!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>文件</title> <link href="../FENGZHUANG/bootstrap/css/bootstrap.min.css" rel="stylesheet" type="text/css" /> <script src="../FENGZHUANG/jquery-3.1.1.min.js"></script> <script src="../FENGZHUANG/bootstrap/js/bootstrap.min.js"></script> <style type="text/css"> *{ font-family:"微软雅黑";} #wai{width:400px; margin:0 auto; padding:0px;} #chuanshu{ width:400px; margin:0 auto; padding:0px;} .waibtn{ width:100%;; height:30px;} .wjm,.wjbtn{ width:50%; height:100%; float:left; } </style> </head> <body> <div id="chuanshu"> <form role="form" action="upload.php" method="post" enctype="multipart/form-data"> <div class="form-group"> <label for="inputfile">文件输入</label> <input type="file" name="file" id="inputfile"> </div> <button type="submit" class="btn btn-default">上传</button> </form> </div> <br /><br /><br /> <div id="wai"> <?php session_start(); //定义目录 $fname = "./a";//需要显示的目录 if(!empty($_SESSION["fname"])) { $fname = $_SESSION["fname"]; } $pname = dirname($fname); //取上级目录 if(realpath($fname)=="D:\\wamp\\www\\lt\\a")//注意路径的匹配 { }//到达了需要显示的最上层目录就不显示上一层标签了 else { echo "<button type='button' id='prev' class='btn waibtn btn-success' url='{$pname}'>返回上一层</button>"; } //遍历目录下的所有文件显示 $arr = glob($fname."/*"); foreach($arr as $v) { $name = basename($v); //从完整路径中取文件名 $name = iconv("gbk","utf-8",$name); if(is_dir($v)) { echo "<button type='button' class='btn dir waibtn btn-primary' url='{$v}'>{$name}</button>"; } else { echo "<button type='button' class='btn waibtn item btn-default' url='{$v}'><div class='wjm'>{$name}</div><div class='wjbtn'><a href='download.php? url={$v}'><input type='button' value='下载' url='{$v}' class='download btn btn-warning btn-xs' /></a> </div></button>"; } } ?> </div> </body> <script type="text/javascript"> $(".dir").click(function(){ var url = $(this).attr("url"); $.ajax({ url:"chuli2.php", data:{url:url}, type:"POST", dataType:"TEXT", success: function(data){ window.location.href="wenjianceshi.php"; } }); }) $("#prev").click(function(){ var url = $(this).attr("url"); $.ajax({ url:"chuli2.php", data:{url:url}, type:"POST", dataType:"TEXT", success: function(data){ window.location.href="wenjianceshi.php"; } }); })</script> </html>
显示：
上传处理页面upload.php
<?php if($_FILES["file"]["error"]) { echo $_FILES["file"]["error"]; } else { if($_FILES["file"]["size"]<10240000) { //防止文件名重复 $filename = "./a/".time().$_FILES["file"]["name"]; //转码 $filename = iconv("UTF-8","gb2312",$filename); if(file_exists($filename)) { echo "该文件已存在"; } else { //保存文件 move_uploaded_file($_FILES["file"]["tmp_name"],$filename); header("location:wenjianchuanshu.php"); } } else { echo "文件类型不对"; } }
点击选择文件之后选中了文件会显示:
点击上传即可。
下载处理页面download.php
<?php $url = $_GET["url"]; $bname = basename($url); header("Content-type:text/html;charset=utf-8"); $file_name="{$bname}"; //用以解决中文不能显示出来的问题 $file_name=iconv("utf-8","gb2312",$file_name); $file_sub_path=$_SERVER['DOCUMENT_ROOT']; $file_path="{$url}"; //首先要判断给定的文件存在与否 if(!file_exists($file_path)){ echo "没有该文件"; return ; } $fp=fopen($file_path,"r"); $file_size=filesize($file_path); //下载文件需要用到的头 Header("Content-type: application/octet-stream"); Header("Accept-Ranges: bytes"); Header("Accept-Length:".$file_size); Header("Content-Disposition: attachment; filename=".$file_name); $buffer=10240000; $file_count=0; //向浏览器返回数据 while(!feof($fp) && $file_count<$file_size){ $file_con=fread($fp,$buffer); $file_count+=$buffer; echo $file_con; } fclose($fp);
点击下载会弹出下载框，然后进行下载即可。
点击文件夹或者上一层的处理页面chuli2.php
<?php session_start(); $url = $_POST["url"]; $_SESSION["fname"] = $url;
