Home > php教程 > php手册 > php上传图片之时间戳命名(保存路径),

php上传图片之时间戳命名(保存路径),

WBOY
Release: 2016-06-13 09:27:12
Original
882 people have browsed it

php上传图片之时间戳命名(保存路径),

html代码:

<div id="images" style="width:250px;height:120px;background:#fff;border:1px solid #ccc;">  
  <h2><strong>图片导入</strong></h2> 
  <form enctype="multipart/form-data" action="./includer/importimg.inc.php&#63;action=img" method="post" name="imge">      
  <input type="hidden" name="MAX_FILE_SIZE" value="100000000" />
  <input value="导入文件" type="file" name="img" id="file"/><br/><br/>
  <input type="submit" id="imgbut" class="buttons" value="上传图片" />                                          
  </form> 
</div>
Copy after login

php代码:

<&#63;php
/**
*Mwbe Version1.0
*-----------------------------------------------
*Copy 2013-2014 ylt
*Web: communicate
*-----------------------------------------------
*Author: tao *Data: 2014-7-22
*/
header("Content-Type:text/html;charset=utf-8");
//step 1 使用$_FILES['pic']["error"] 检查错误
if(isset($_GET["action"])=="img"){
if($_FILES["img"]["error"] > 0){
  switch($_FILES["img"]["error"]) {
  	case 1:
  	  echo "<script type='text/javascript'>alert('上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值<br>');history.back();</script>";
  	  break;
  	case 2:
  	  echo "<script type='text/javascript'>alert('上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值');history.back();</script>";
  	  break;
  	case 3:
  	  echo "<script type='text/javascript'>alert('文件只有部分被上传');history.back();</script>";
  	  break;
  	case 4:
  	  echo "<script type='text/javascript'>alert('没有文件被上传');history.back();</script>";
  	  break;
  	default:
  	  echo "<script type='text/javascript'>alert('末知错误');history.back();</script>";
  }
  exit;
}
$maxsize=2000000; //50k
//step 2 使用$_FILES["pic"]["size"] 限制大小 单位字节 2M=2000000
if($_FILES["img"]["size"] > $maxsize ) {
  echo "<script type='text/javascript'>alert('上传的文件太大,不能超过{$maxsize}字节');history.back();</script>";
  exit;
}
//step 3 使用$_FILES["pic"]["type"]或是文件的扩展名 限制类型 MIME image/gif image/png  gif png jpg
 /*  list($dl, $xl) = explode("/", $_FILES["pic"]["type"]);
 if($dl!="image"){
 echo "请上传一个图片,不充许其它类型文件";
 exit;
 }
 */
 $allowtype=array("png", "gif", "jpg", "jpeg");
 $arr=explode(".", $_FILES["img"]["name"]);
 $hz=$arr[count($arr)-1];
 if(!in_array($hz, $allowtype)){
 echo "<script type='text/javascript'>alert('这是不允许的类型');history.back();</script>";
		exit;
 }
 //step 4 将让传后的文件名改名
 $filepath="../imgweb/";
 $fileimgweb="imgweb/";//为了符合UBB的路径
	$randname=date("Y").date("m").date("d").date("H").date("i").date("s").rand(100, 999).".".$hz;
	  //将临时位置的文件移动到指定的目录上即可
	  if(is_uploaded_file($_FILES["img"]["tmp_name"])){
	    if(move_uploaded_file($_FILES["img"]["tmp_name"],$filepath.$randname)){
	      echo "<script type='text/javascript'>history.back();</script>";
	      session_start();
	      $_SESSION['images'] = $fileimgweb.$randname;
	      }else{
	      echo "<script type='text/javascript'>alert('上传失败');history.back();</script>";
	      }
	}else{
		echo"<script type='text/javascript'>alert('不是一个上传文件');history.back();</script>";
	}	
}
&#63;>
Copy after login

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Recommendations
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template