upload.func.php
<?php
function uploadFile($fileInfo, $uploadPath = 'uploads', $flag = true,
$allowExt = array('jpeg', 'jpg', 'png', 'gif'),
$maxSize = 2097152)
{
//判断错误号
if ($fileInfo['error'] > 0) {
$mes = '';
switch ($fileInfo['error']) {
case 1:
$mes = "上传文件超过了PHP配置文件中upload_max_file";
break;
case 2:
$mes = "超过了表单MAX_FILE_SIZE";
break;
case 3:
$mes = "文件部分被上传";
break;
case 4:
$mes = "没有选择上传文件";
break;
case 6:
$mes = "没有找到临时目录";
break;
case 7:
case 8:
$mes = "系统错误";
break;
}
exit($mes);
} else {
$ext = pathinfo($fileInfo['name'], PATHINFO_EXTENSION);
//检测文件上传的类型
if (!in_array($ext, $allowExt)) {
exit("非法文件类型");
}
//检测文件大小是否符合规范
if ($fileInfo['size'] > $maxSize) {
exit('上传文件过大');
}
//检测图片是否为真实的图片类型
if ($flag) {
if (!getimagesize($fileInfo['tmp_name'])) {
exit('不是真实的图片类型');
}
}
//检测是否是通过HTTP POST 方式上传的
if (!is_uploaded_file($fileInfo['tmp_name'])) {
exit('文件不是通过HTTP POST方式上传上来的');
}
if (!file_exists($uploadPath)) {
mkdir($uploadPath, 0777, true);
chmod($uploadPath, 0777);
}
$uniName = md5(uniqid(microtime(true), true)) . '.' . $ext;
$destination = $uploadPath . '/' . $uniName;
if (!@move_uploaded_file($fileInfo['tmp_name'], $destination)) {
exit("文件移动失败");
}
return array(
'newName' => $destination,
'size' => $fileInfo['size'],
'type' => $fileInfo['type']
);
//return $destination;
}
}
?>
<html>
<head><title></title></head>
<body>
<form action="doAction.php" method="post" enctype="multipart/form-data">
请选择您要上传的文件：
<input type="file" name="myFile"><br/>
<input type="submit" value="上传文件">
</form>
</body>
</html>
doAction.php
<?php
require 'upload.func.php';
$fileInfo = $_FILES['myFile'];
$allowExt = array('jpeg', 'jpg', 'png', 'gif', 'html', 'txt');
$newName = uploadFile($fileInfo, 'imooc', false, $allowExt);
var_dump($newName);
?>
Paste_Image.png
Paste_Image.png
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