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
WBOYOriginal
2016-06-06 20:19:321577browse

这篇文章主要介绍了php中上传图片文件,并且以上传时的时间戳命名文件,并将文件的路径存在session中以便使用,需要的朋友可以参考下

html代码:

图片导入



php代码:

0){ switch($_FILES["img"]["error"]) { case 1: echo ""; break; case 2: echo ""; break; case 3: echo ""; break; case 4: echo ""; break; default: echo ""; } 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"] > $maxsize ) { echo ""; exit; } //step 3 使用$_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 ""; 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 ""; session_start(); $_SESSION['images'] = $fileimgweb.$randname; }else{ echo ""; } }else{ echo""; } } ?>

Statement:
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