PHP 文件编程综合案例

更新时间:2023-04-06 09:58:24 阅读：评论：0

php文件上传

1、upload.php

复制代码代码如下:

<!doctype html public “-//w3c//dtd html 4.01 transitional//en”>

<html>

<head>

<title>ddd</title>

<meta http-equiv=”content-type” content=”text/html; chart=utf-8″>

</head>

<body>

<!–文件上传要注意:1、要有enctyp，2、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=”urname”></td></tr>

<tr><td>请简单介绍文件</td><td><textarea rows=”7″ cols=”50″ name=”fileintro” style=”width:300px;”>在天愿作比翼鸟在地愿为连理枝</textarea></td></tr>

<tr><td>请上传你的文件</td><td><input type=”file” name=”myfile”></td></tr>武全旺;

<tr><td colspan=”2″><input type=”submit” value=”上传”><td></tr>

</table>

</form>

</body>

</html>

2、uploadprocess.php

复制代码代码如下:

<?php

//接收

$urname=$_post[‘urname’];

$fileintro=$_post[‘fileintro’];

//echo $urname.$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>2*1024*1024){

echo “<script type=’text/javascript’>window.alert(‘文件不能大于2m’)</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

$ur_path=$_rver[‘document_root’].”/file/up/”.$urname;

if(!file_exists($ur_path)){

mkdir ($ur_path);

}

//$move_to_file=$ur_path.”/”.$_files[‘myfile’][‘name’];

//防止用户上传用户名相同的问题

$file_true_name=$_files[‘myfile’][‘name’];

$move_to_file=$ur_path.”/”.time().rand(1,1000).substr($file_true_name,strripos($file_true_name,”.”));

//echo $upload_file.$move_to_file;

/艺术福字/中文要转码

if(move_uploaded_file($upload_file,iconv(“utf-8″,”gb2312″,”$move_to_file”))){

echo $_files[‘myfile’][‘name’].”上传成功”;

}el{

echo “上传失败”;

}

}el{

echo “上传失败”;

}

?>国旗下的演讲;

3、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(‘jpeg’,’jpg’,’png’,’gif’,’bmp’,’doc’,’zip’,’rar’,’txt’,’wps’,’xlsx’,’ppt’);

$this->file_save_path=$_rver[‘document_root’].”/file/up/”;

}

public function upload_file($urname){

//判断文件大小

if($this->file_size>2*1024*1024){

echo “<script type=’text/javascript’>window.alert(‘文件不能大于2m’)</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

$ur_path=$this->file_save_path.$urname;

if(!file_exists($ur_path)){

mkdir ($ur_path);

}

//$move_to_file=$us杨健教育er_path.”/”.$_files[‘myfile’][‘name’];

//防止用户上传用户名相同的问题

//$file_true_name=$_files[‘myfile’][‘name’];

$move_to_file=$ur_path.”/”.time().rand(1,1000).substr($this->upload_name,strripos($this->upload_name,”.”));

//echo $upload_file.$move_to_file;

//中文要转码

if(move_uploaded_file($this->upload_tmp_path,iconv(“utf-8″,”gb2312″,”$move_to_file”))){

echo $this->upload_name.”上传成功”;

}el{

echo “上传失败”;

}

}el{

echo “上传失败”;

}

}