<?php

/**

 * 获取文件信息

 * @return array

 */

function getFileInfo() {

$i = 0;

foreach ( $_FILES as $file ) {

if (is_string ( $file ['name'] )) {

$files [$i] = $file;

$i ++;

} else if (is_array ( $file ['name'] )) {

foreach ( $file ['name'] as $key => $value ) {

$files [$i] ['name'] = $file ['name'] [$key];

$files [$i] ['type'] = $file ['type'] [$key];

$files [$i] ['tmp_name'] = $file ['tmp_name'] [$key];

$files [$i] ['error'] = $file ['error'] [$key];

$files [$i] ['size'] = $file ['size'] [$key];

$i ++;

}

}

}

return $files;

}

/**

 * 上传文件函数

 *

 * @param array $fileInfo        

 * @param array $allowType        

 * @param int $maxSize        

 * @param string $flag        

 * @param string $savePath        

 * @return array

 */

function uploadFile($fileInfo, $flag = true, $savePath = "uploads") {

$allowType = array (

'jpeg',

'jpg',

'png',

'gif' 

);

$maxSize = 1000000;

$fileType = pathinfo ( $fileInfo ['name'], PATHINFO_EXTENSION );

echo $fileInfo ['error'];

if ($fileInfo ['error'] === UPLOAD_ERR_OK) {

if ($fileInfo ['size'] > $maxSize) {

$info ['mes'] = $fileInfo ['name'] . "上传文件过大";

}

// 判断文件类型

$extension = pathinfo ( $fileInfo ['name'], PATHINFO_EXTENSION );

if (! in_array ( $extension, $allowType )) {

$info ['mes'] =$fileInfo ['name'] ."文件类型不合法，本站只允许上传jpg png gif jpeg" ;

}

if (! is_uploaded_file ( $fileInfo ['tmp_name'] )) {

$info ['mes'] = $fileInfo ['name'] . "上传文件不是通过HTTP POST方式上传的";

}

if ($flag) {

if (! getimagesize ( $fileInfo ['tmp_name'] )) {

$info ['mes'] = $fileInfo ['name'] . "上传文件不是真实的图片类型";

}

}

// $savePath = "uploads";

if (! file_exists ( $savePath )) {

mkdir ( $savePath, 0777, true );

chmod ( $savePath, 0777 );

}

$newName = md5 ( uniqid ( microtime () ) ) . '.' . $fileType;

$desPath = $savePath . '/' . $newName;

if (! move_uploaded_file ( $fileInfo ['tmp_name'], $desPath )) {

$info ['mes'] = $fileInfo ['name'] . "上传失败";

}

$info ['mes'] = "上传成功";

$info ['des'] = $desPath;

return $info;

} else {

switch ($fileInfo ['error']) {

case 1 :

$info ['mes'] = "上传文件大小超出了php配置文件upload_max_filesize的值";

break;

case 2 :

$info ['mes'] = "上传文件大小超出了HTML表单MAX_FILE_SIZE的值";

break;

case 3 :

$info ['mes'] = "文件只有部分被上传";

break;

case 4 :

$info ['mes'] = "没有选择任何文件";

break;

case 6 :

$info ['mes'] = "找不到临时文件夹";

break;

case 7 :

$info ['mes'] = "文件写入失败";

break;

}

return $info;

}

}