php upload file
upLoad.php
<html>
<head>
<!-- <link rel="stylesheet" href="myCss.css" type="text/css" /> -->
</head>
<div class="register">
<form enctype="multipart/form-data" method="post" action="upLoadProcess.php" name="myform">
<table>
<tr>
<td align="center" colspan="2"><font style="font-size:40px;font-family:华文彩云">文件上传</font></td>
</tr>
<tr>
<td>请填写用户名：</td>
<td><input type="text" name="username"/></td>
</tr>
<tr>
<td>请简单介绍该文件</td>
<td><TEXTAREA name="fileintro" rows="10" cols="80"></TEXTAREA></td>
</tr>
<tr>
<td colspan="2">请选择要上传的文件：<input type="file" name="myfile"/></td>
</tr>
<tr>
<td align="center" colspan="2"><input type="submit" value="上传文件" /></td>
</tr>
</table>
</form>
</div>
</html>
<?php
if(isset($_GET['flag'])){
$flag = $_GET['flag'];
if($flag == 1){
echo "<br/<br/><font style='color:red'>文件大小不能超过2M</font>";
}
}
?>
upLoadProcess.php
<?php
//接收提交文件的信息
if(isset($_POST['username'])){
$username=$_POST['username'];
}else{
echo "上传文件失败";
exit();
}
if(isset($_POST['fileintro'])){
$fileintro = $_POST['fileintro'];
}
$file_size = $_FILES['myfile']['size'];
if($file_size > 2*1024*1024){
echo "<font style='color:red'>文件过大,不能上传超过2M的文件</font><br/>";
echo "<a href='upLoad.php'>返回重新上传</a>";
exit();
}
$file_type = $_FILES['myfile']['type'];
if($file_type != "image/jpg" && $file_type != "image/pjpeg"){
echo "文件类型只能是jpg的";
exit();
}
// echo "<pre class="brush:php;toolbar:false">";
// print_r($_FILES);
// echo "";
if(is_uploaded_file($_FILES['myfile']['tmp_name'])){
//把文件转存到你希望的目录;
$upLoaded_file = $_FILES['myfile']['tmp_name'];
$fileName = $_FILES['myfile']['name'];
//给每个用户动态的创建一个文件夹
$user_path = $_SERVER['DOCUMENT_ROOT']."/fileOpt/upLoadFiles/".$username;
if(!file_exists($user_path)){
mkdir($user_path);
}
//$destPath = $user_path."/".$fileName;
$destPath = $user_path."/".(time().rand(0,1000)).substr($fileName,strrpos($fileName, "."));
//如果目标文件存在，则被覆盖
if(move_uploaded_file($upLoaded_file,$destPath)){
echo $_FILES['myfile']['name']." 上传成功！";
}else{
echo "上传失败！"; echo "返回重新上传"; } }else{ echo "上传失败！
"; echo "返回重新上传"; } ?>
The above introduces PHP file uploading, including aspects of content. I hope it will be helpful to friends who are interested in PHP tutorials.
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