PHP图片上传类带图片显示


答案：
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(); 
?>
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