php文件批量上传。
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<form action="upload.php" method="post" enctype="multipart/form-data">
<label for="file">选择文件：</label>
<input type="file" name="file[]" multiple="multiple">
<input type="submit" value="上传">
</form>
</body>
</html>
upload.php
<?php
class Upload
{
private $path = './upload'; //上传路径
private $folder; //子文件夹
private $allowType = array('docx', 'jpg', 'zip', 'rar', 'pdf', 'xlsx','php'); //上传路径
private $maxSize = 1024 * 1024 * 10; //限制文件大小 50MB
private $randName = false; //文件名是否随机
private $fileOriName; //源文件名
private $fileNewName; //新文件名
private $tmpFileName; //临时文件名
private $fileSize; //文件大小
private $fileHash; //文件哈希值
private $fileExt; //文件扩展名
private $errorNum; //错误号
private $errorMsg; //错误信息
private $returnInfo; //返回的信息
function upfile() //多文件模式
{
if ($_FILES['file']['name'][0] == '') {
die('参数错误！');
}
if ($_FILES['file']['name']) {
for ($i = 0; $i < count($_FILES['file']['name']); $i++) {
$this->fileOriName = $_FILES['file']['name'][$i]; //源文件名
$this->tmpFileName = $_FILES['file']['tmp_name'][$i]; //临时文件
$this->fileExt = explode('.', $_FILES['file']['name'][$i]);
$this->fileExt = end($this->fileExt); //返回文件扩展名
$this->fileHash = hash_file('md5', $_FILES['file']['tmp_name'][$i]); //获取哈希值
$this->errorNum = $_FILES['file']['error'][$i]; //错误代码
$this->errorMsg = $this->Errmsg($this->errorNum); //错误说明
$this->fileSize = $_FILES['file']['size'][$i]; //文件大小
if ($this->fileSize >= $this->maxSize) {
$this->errorNum = -1;
$this->errorMsg = $this->Errmsg($this->errorNum);
$this->info(); //返回上传信息
} elseif (!in_array($this->fileExt, $this->allowType)) {
$this->errorNum = -2;
$this->errorMsg = $this->Errmsg($this->errorNum);
$this->info(); //返回上传信息
} else {
$this->creatfolder($this->path); //创建文件夹
$this->folder = $this->path . '/' . date('Ymd'); //子文件夹名称
$this->fileNewName = $this->Rename($this->randName); //生成随机文件名
if (is_file($this->folder . '/' . $this->fileNewName)) {
$this->errorNum = -3;
$this->errorMsg = $this->Errmsg($this->errorNum);
$this->info(); //返回上传信息
} else {
$this->creatfolder($this->folder); //创建子文件夹
$this->movefile($this->tmpFileName, $this->folder . '/' . $this->fileNewName); //移动文件
$this->info(); //返回上传信息
}
}
}
} else {
echo '系统错误！';
}
return $this->returnInfo;
}
// 返回上传信息
function info()
{
if ($this->errorNum == 0) { //文件上传成功
$this->returnInfo[] = array(
'fileoriname' => $this->fileOriName,
'fileext' => $this->fileExt,
'tmpfilename' => $this->tmpFileName,
'filenewname' => $this->fileNewName,
'filesize' => $this->fileSize,
'filehash' => $this->fileHash,
'errornum' => $this->errorNum,
'errormsg' => $this->errorMsg
);
} else { //文件上传失败
$this->returnInfo[] = array(
// 'fileoriname' => $this->fileOriName,
// 'fileext' => $this->fileExt,
// 'tmpfilename' => $this->tmpFileName,
// 'filenewname' => '',
// 'filesize' => $this->fileSize,
// 'filehash' => $this->fileHash,
'errornum' => $this->errorNum,
'errormsg' => $this->errorMsg
);
}
}
//获取文件哈希值
function tohash($file)
{
if (is_file($file)) {
return hash_file('md5', $file);
} else {
return true;
}
}
//移动文件
function movefile($tempfile, $desfile)
{
if (is_file($tempfile) || !is_file($desfile)) {
move_uploaded_file($tempfile, $desfile);
} else {
$this->errorNum = -3;
}
}
//转换文件大小
function tosize($file_size)
{
if ($file_size >= pow(1024, 4)) {
$show_filesize = number_format(($file_size / pow(1024, 4)), 2) . " TB";
} elseif ($file_size >= pow(1024, 3)) {
$show_filesize = number_format(($file_size / pow(1024, 3)), 2) . " GB";
} elseif ($file_size >= pow(1024, 2)) {
$show_filesize = number_format(($file_size / pow(1024, 2)), 2) . " MB";
} elseif ($file_size >= pow(1024, 1)) {
$show_filesize = number_format(($file_size / pow(1024, 1)), 2) . " KB";
} elseif ($file_size >= 0) {
$show_filesize = $file_size . " b";
}
return $show_filesize;
}
//错误说明
function Errmsg($error_num)
{
switch ($error_num) {
case 0:
$err_msg = '没有错误发生，文件上传成功!';
break;
case 1:
$err_msg = '上传的文件超过了php.ini 中 upload_max_filesize 选项限制的值!';
break;
case 2:
$err_msg = '上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值!';
break;
case 3:
$err_msg = '文件只有部分被上传!';
break;
case 4:
$err_msg = '没有文件被上传!';
break;
case 5:
$err_msg = '官方未给出错误说明!';
break;
case 6:
$err_msg = '找不到临时文件夹!';
break;
case 7:
$err_msg = '文件写入失败!';
break;
case -1:
$err_msg = '文件超过允许大小!';
break;
case -2:
$err_msg = '不是允许的文件类型!';
break;
case -3:
$err_msg = '目标文件已存在!';
break;
default:
break;
}
return $err_msg;
}
//创建文件夹
function CreatFolder($f)
{
if (!is_dir($f)) {
mkdir($f, 0777);
} else {
return true;
}
}
//随机文件名
function Rename($rand)
{
if ($rand) { //true
$arr = array_merge(range('A', 'Z'), range('1', '9'));
$randstr = '';
for ($i = 0; $i <= 8; $i++) {
$a = rand(0, count($arr) - 1);
$randstr .= $arr[$a];
}
$rename = date('YmdHis') . '_' . $randstr . '.' . $this->fileExt;
} else {
$rename = $this->fileOriName;
}
return $rename;
}
}
//类的调用
$upload = new Upload();
echo '<pre>';
var_dump($upload->upfile());
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