PHP文件上传
uploadphp
复制代码 代码如下:
<!DOCTYPE HTML PUBLIC "
//W
C//DTD HTML
Transitional//EN">
<html>
<head>
<title>ddd</title>
<meta http
equiv="content
type" content="text/html; charset=UTF
">
</head>
<body>
<!
文件上传要注意:
要有enctyp
method="post"
>
<form enctype="multipart/form
data" action="uploadProcess
php" method="post" >
<table>
<tr><td>请填写用户名</td><td><input type="text" name="username"></td></tr>
<tr><td>请简单介绍文件</td><td><textarea rows="
" cols="
" name="fileintro" style="width:
px;"></textarea></td></tr>
<tr><td>请上传你的文件</td><td><input type="file" name="myfile"></td></tr>
<tr><td colspan="
"><input type="submit" value="上传"><td></tr>
</table>
</form>
</body>
</html>
uploadProcessphp
复制代码 代码如下:
<?php
//接收
$username=$_POST[
username
];
$fileintro=$_POST[
fileintro
];
//echo $username
$fileintro;
//获取文件信息
/* echo "<pre>";
print_r($_FILES);
echo "</pre>";
*/
//获取文件的大小
$file_size=$_FILES[
myfile
][
size
];
if($file_size>
*
*
){
echo "<script type=
text/javascript
>window
alert(
文件不能大于
M
)</script>";
exit();
}
//获取文件类型
$file_type=$_FILES[
myfile
][
type
];
if($file_type!="image/jpeg" && $file_type!="image/pjpeg"){
echo "文件类型只能是 jpg 格式";
exit();
}
//判断上传是否OK
if(is_uploaded_file($_FILES[
myfile
][
tmp_name
])){
//得到上传的文件 转存到你希望的目录
$upload_file=$_FILES[
myfile
][
tmp_name
];
//防止图片覆盖问题
为每个用户建立一个文件夹
$user_path=$_SERVER[
DOCUMENT_ROOT
]
"/file/up/"
$username;
if(!file_exists($user_path)){
mkdir ($user_path);
}
//$move_to_file=$user_path
"/"
$_FILES[
myfile
][
name
];
//防止用户上传用户名相同的问题
$file_true_name=$_FILES[
myfile
][
name
];
$move_to_file=$user_path
"/"
time()
rand(
)
substr($file_true_name
strripos($file_true_name
"
"));
//echo $upload_file
$move_to_file;
//中文要转码
if(move_uploaded_file($upload_file
iconv("utf
"
"gb
"
"$move_to_file"))){
echo $_FILES[
myfile
][
name
]
"上传成功";
}else{
echo "上传失败";
}
}else{
echo "上传失败";
}
?>
封装
复制代码 代码如下:
<?php
class Upload{
public $upload_name; //上传文件名
public $upload_tmp_path; //上传文件保存到服务器的temp路径
public $file_size;
public $file_type;
public $file_save_path;
function __construct(){
$this>upload_name=$_FILES[myfile][name];
$this>upload_tmp_path=$_FILES[myfile][tmp_name];
$this>file_size=$_FILES[myfile][size];
$this>file_type=$_FILES[myfile][type];
$this>allow_file_type = array(jpegjpgpnggifbmpdocziprartxtwpsxlsxppt);
$this>file_save_path=$_SERVER[DOCUMENT_ROOT]"/file/up/";
}
public function upload_file($username){
//判断文件大小
if($this>file_size>**){
echo "<script type=text/javascript>windowalert(文件不能大于M)</script>";
exit();
}
//获取文件类型
/* if($this>file_type!="image/jpeg" && $this>file_type!="image/pjpeg"){
echo "文件类型只能是 jpg 格式";
exit();
}
*/ //获取文件的扩展名
$file_type=$this>getFileExt($this>upload_name);
if(!in_array($file_type$this>allow_file_type)){
echo "上传文件类型格式错误";
exit();
}
//判断上传是否OK
if(is_uploaded_file($this>upload_tmp_path)){
//防止图片覆盖问题为每个用户建立一个文件夹
$user_path=$this>file_save_path$username;
if(!file_exists($user_path)){
mkdir ($user_path);
}
//$move_to_file=$user_path"/"$_FILES[myfile][name];
//防止用户上传用户名相同的问题
//$file_true_name=$_FILES[myfile][name];
$move_to_file=$user_path"/"time()rand()substr($this>upload_namestrripos($this>upload_name""));
//echo $upload_file$move_to_file;
//中文要转码
if(move_uploaded_file($this>upload_tmp_pathiconv("utf""gb""$move_to_file"))){
echo $this>upload_name"上传成功";
}else{
echo "上传失败";
}
}else{
echo "上传失败";
}
}
//获取文件的扩展名
public function getFileExt($filename){
$fileExt=pathinfo($filename);
return $fileExt["extension"];
}
}
?>
