一款简单PHP图片上传类带图片显示代码

这是一款简单php教程图片上传类带图片显示代码,应该可以说是上传文件最简单的上传类了，可以设置要显示图片高度与宽度，文件大小等。

uploadimg.class.php文件

class upload
{
var $upload_name;
var $upload_tmp_address;
var $upload_server_name;
var $upload_filetype ;
var $file_type;
var $file_server_address;
var $image_w=900; //要显示图片的宽
var $image_h=350; //要显示图片的高
var $upload_file_size;
var $upload_must_size= 50000; //允许上传文件的大小，自己设置
function upload_file()
{
$this->upload_name = $_files["file"]["name"]; //取得上传文件名
$this->upload_filetype = $_files["file"]["type"];
$this->upload_server_name = date("y_m_dh_i_s").$this->upload_name;
$this->upload_tmp_address = $_files["file"]["tmp_name"]; //取得临时地址
$this->file_type = array("image/gif","image/pjpeg"); //允许上传文件的类型
$this->upload_file_size = $_files["file"]["size"]; //上传文件的大小
if(in_array($this->upload_filetype,$this->file_type))
{ if($this->upload_file_size < $this->upload_must_size)
{
echo("上传成功，谢谢支持");
$this->file_server_address = "d:www.zzzyk.comupload/".$this->upload_server_name;
move_uploaded_file($this->upload_tmp_address,$this->file_server_address);//从temp目录移出
echo("<img src=$this->file_server_address width=$this->image_w height=$this->image_h/>"); //显示图片

}
else
{
echo("文件容量太大");
}
}
else
{
echo("不支持此文件类型，请重新选择");
}

}

}

html上传代码

<form id="form1" name="upload" enctype="multipart/form-data" method="post" action="upload.php">
<input type="hidden" name="max_file_size " />
<input type="file" name="file" />
<input type="submit" name="submit" value="提交" />
</form>

调用方法
upload.php

inlcude('uploadimg.class.php');

$dd = new upload;
$dd->upload_file();

补充：Php教程,Php高级应用

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