php面向对象文件上传

时间：2015-06-23 00:38:51 阅读：350 评论：0 收藏：0 [点我收藏+]

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文件上传类 Upload.class.php

<?php
class Upload {
	private $path;
	private $n;
	private $ext;
	private $length;
	public function __construct($path = ‘./‘, $n = 3, $ext = [‘jpg‘,‘gif‘,‘png‘,‘rar‘,‘ppt‘,‘doc‘], $length = 20971520) {
		$this->path = $path;
		$this->n = $n;
		$this->ext = $ext;
		$this->length = $length;
	}
	public function up() {
		$ufs = $_FILES;
		if (count ( $ufs ) <= 0) {
			return;
		} else {
			if (! file_exists ( $this->path )) {
				mkdir ( $this->path, 0777, true );
			}
			$uuu = [ ];
			
			foreach ( $ufs as $k => $v ) {
				if (is_array ( $v [‘name‘] )) {
					$ns = $v [‘name‘];
					$fs = $v [‘tmp_name‘];
					$ss = $v [‘size‘];
					foreach ( $fs as $kk => $vv ) {
						if ($ss [$kk] == 0) {
							continue;
						}
						$uf = iconv ( ‘utf-8‘, ‘gbk‘, $ns [$kk] );
						$et = strtolower ( substr ( $uf, strrpos ( $uf, ‘.‘ ) + 1 ) );
						
						if ($this->n == 1) {
							$uf = uniqid () . ‘.‘ . $et;
						} else if ($this->n == 2) {
							$uf = $this->uuid () . ‘.‘ . $et;
						} else if ($this->n == 3) {
							$nnn = substr ( $uf, 0, strrpos ( $uf, ‘.‘ ) );
							$t = 0;
							while ( file_exists ( $this->path . $uf ) ) {
								$uf = $nnn . (++ $t) . ‘.‘ . $et;
							}
						}
						if (in_array ( $et, $this->ext ) && $ss [$kk] <= $this->length) {
							move_uploaded_file ( $vv, $this->path . $uf );
							$uuu [] = $uf;
						}
					}
				} else {
					if ($v [‘size‘] == 0) {
						continue;
					}
					$uf = iconv ( ‘utf-8‘, ‘gbk‘, $v [‘name‘] );
					$et = strtolower ( substr ( $uf, strrpos ( $uf, ‘.‘ ) + 1 ) );
					if ($this->n == 1) {
						$uf = uniqid () . ‘.‘ . $et;
					} else if ($this->n == 2) {
						$uf = $this->uuid () . ‘.‘ . $et;
					} else if ($this->n == 3) {
						$nnn = substr ( $uf, 0, strrpos ( $uf, ‘.‘ ) );
						$t = 0;
						while ( file_exists ( $this->path . $uf ) ) {
							$uf = $nnn . (++ $t) . ‘.‘ . $et;
						}
					}
					if (in_array ( $et, $this->ext ) && $v [‘size‘] <= $this->length) {
						move_uploaded_file ( $v [‘tmp_name‘], $this->path . $uf );
						$uuu [] = $uf;
					}
				}
			}
			return $uuu;
		}
	}
	public function uuid($namespace = ‘‘) {
		$guid = $namespace;
		$uid = uniqid ( "", true );
		$data = $namespace;
		$data .= $_SERVER [‘REQUEST_TIME‘];
		$data .= $_SERVER [‘HTTP_USER_AGENT‘];
		$data .= $_SERVER [‘REMOTE_ADDR‘];
		$data .= $_SERVER [‘REMOTE_PORT‘];
		$hash = strtoupper ( hash ( ‘ripemd128‘, $uid . $guid . md5 ( $data ) ) );
		$guid = substr ( $hash, 0, 8 ) . ‘-‘ . substr ( $hash, 8, 4 ) . ‘-‘ . substr ( $hash, 12, 4 ) . ‘-‘ . substr ( $hash, 16, 4 ) . ‘-‘ . substr ( $hash, 20, 12 );
		return $guid;
	}
	public function __destruct() {
		
	}
}

上传单个文件或者多个文件的html代码 uup.html

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<form action="up.php" method="post" enctype="multipart/form-data">
文件上传：<input type="file" name="f[]" multiple><br><!-- 上传多个文件 -->
<!-- 上传文件:<input type="file" name="f" ><br> 上传单个文件 -->
<input type="submit" value="提交">
</form>
</body>
</html>

引入类和实例化类的代码up.php

<?php
include ‘inc/Upload.class.php‘;
$u=new Upload(‘abc/‘,1);
$uf=$u->up();
echo ‘<pre>‘;
print_r($uf);

来自为知笔记(Wiz)

php面向对象文件上传

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原文地址：http://www.cnblogs.com/lsr111/p/4594291.html

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