PHP图片上传类带图片显示

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我是靠谱客的博主妩媚小蜜蜂，最近开发中收集的这篇文章主要介绍PHP图片上传类带图片显示，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

这是一个PHP的文件上传类带图片显示的.其实做成函数就可以了.不过还是做成类好玩一点.~~~~
本来应该用JS来验证上传文件类型的.但懒得做了.

<!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=gb2312" />
<title>无标题文档</title>
</head>
<body>
<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>
</body>
</html>
<?php
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");
     $this->file_server_address = "D:\usr\www\html\upload/".$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");
   }

  }

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