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PHP怎么实现多文件的上传?
How to upload multiple files in PHP? -PHP Chinese website Q&A-How to upload multiple files in PHP? -PHP Chinese website Q&A
Let’s take a look and learn.
实现代码如下:
<?php define('ROOT','D:/Program Files/www/test/'); class Files_Tool{ protected static $allowExt=array('.jpg','.jpeg','.png','.gif','.bmp','.pdf','.zip','.rar','.tar','.ppt','.doc'); public static $wrong=array(); public static $path=array(); protected static $error=array( 0=>'文件上传失败,没有错误发生,文件上传成功', 1=>'文件上传失败,上传的文件超过了 php.ini中upload_max_filesize 选项限制的值', 2=>'文件上传失败,上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值', 3=>'文件上传失败,文件只有部分被上传', 4=>'文件上传失败,没有文件被上传', 5=>'文件上传失败,未允许的后缀', 6=>'文件上传失败,找不到临时文件夹.PHP 4.3.10 和 PHP 5.0.3 引进', 7=>'文件上传失败,文件写入失败.PHP 5.1.0 引进', 8=>'文件上传失败,未接收到表单域的NAME', 9=>'文件上传失败,,错误未知' ); public static function upload($name){ //检测是否接收到表单域的NAME if(!isset($_FILES[$name])){ self::$wrong[]=8; return false; } //3维数组简化成2维数组 $files=array_shift($_FILES); //获取后缀 $files=self::get_Ext($files); //处理文件次数 $n=count($files['name']); for($i=0;$i<$n;$i++){ //查看当前文件是否有错误信息,有则跳过当前文件,处理下个文件 if($files['error'][$i]!=0){ self::$wrong[$i+1]=$files['error'][$i]; continue; } //查看当前文件的后缀,是否允许,如果不允许,跳过当前文件 if(!in_array($files['name'][$i],self::$allowExt)){ self::$wrong[$i+1]=5; continue; } //路径 $dir=self::time_Dir(); //文件名 $name=self::rand_Name(); //后缀 $ext=$files['name'][$i]; //文件位置 $path=$dir.$name.$ext; //移动临时文件,如果失败,跳过当前文件 if(!move_uploaded_file($files['tmp_name'][$i],$path)){ self::$wrong[$i]=9; continue; } //存入路径 self::$path[$i+1]=strtr($path,array(ROOT=>'')); } return self::$path; } //获取后缀的方法 protected static function get_Ext($arr){ if(!is_array($arr) || !isset($arr['name'])){return false;} foreach($arr['name'] as $k=>$v){ $arr['name'][$k]=strtolower(strrchr($v,'.')); } return $arr; } //以日期生成路径 protected static function time_Dir(){ $dir=ROOT.'Data/images/'.date('Y/m/d/',time()); if(!is_dir($dir)){ mkdir($dir,0777,true); } return $dir; } //生成随机文件名 protected static function rand_Name(){ $str=str_shuffle('1234567890qwertyuiopasdfghjklzxcvbnm'); $str=substr($str,0,6); return $str; } //错误接口 public static function errors(){ foreach(self::$wrong as $k=>$v){ self::$wrong[$k]='第'.$k.'个'.self::$error[$k]; } return self::$wrong; } }
How to upload multiple files in PHP? -PHP Chinese website Q&A-How to upload multiple files in PHP? -PHP Chinese website Q&A
Let’s take a look and learn.
实现代码如下: