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PHP 文件上传代码示例
<html> <head> <title>图片上传</title> </head> <body> <form enctype="multipart/form-data" method="post" name="upform"> 上传文件:<input type="file" name="upfile" value=""> <input type="submit" value="上传"><br> <?php //能够上传的类型 $uptypes=array('image/jpg','image/jpeg','image/png','image/pjpeg','image/gif', 'image/bmp','image/x-png'); ?> 允许上传的文件类型为:<?=implode(',',$uptypes)?> </form> </body> </html> <?php $max_file_szie=2*pow(2,20); //上传的文件小于2MB $destination_folder='uploadimg/'; //上传文件保存路径 if($_SERVER['REQUEST_METHOD']=='POST'){ if(!is_uploaded_file($_FILES['upfile']['tmp_name'])){ echo '图片不存在!'; exit; } if($max_file_szie<$_FILES['upfile']['size']){ echo '文件太大了!'; exit; } if(!in_array($_FILES['upfile']['type'],$uptypes)){ echo '文件类型不符合!'.$_FILES['upfile']['type']; exit; } if(!file_exists($destination_folder)){ mkdir($destination_folder); } $filename=$_FILES['upfile']['tmp_name']; $image_size=getimagesize($filename); $pinfo=pathinfo($_FILES['upfile']['name']); //文件路径信息 $ftype=$pinfo['extension']; //旧文件后缀名 $destination = $destination_folder.time().".".$ftype; //新文件名称 if(file_exists($destination)&&$voerwrie !=true){ echo '同名文件已经存在了!'; exit; } //把上传的文件从临时文件夹移动到指定目录 if(!move_uploaded_file($filename,$destination)){ echo '移动文件出错了!'; exit; } $pinfo=pathinfo($destination); $fname=$pinfo[basename]; echo "<font color='red'>已经成功上传</font><br>文件名: <font color='blue'>".$destination_folder.$fname."</font><br>"; echo '宽度:'.$image_size[0]; echo '高度:'.$image_size[1]; echo '<br>大小:'.$_FILES['upfile']['size']."bytes"; } ?>