玛氪宕·梦魔(Markdown Memo)，使用Markdown的云端备忘录，百度IFE的RIA启航班的不合格的作业，才……才没有什么阴谋呢！
源gitee链接https://gitee.com/arathi/MarkdownMemo?_from=gitee_search
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
346 lines
12 KiB
346 lines
12 KiB
<?php
|
|
|
|
/**
|
|
*
|
|
* Editor.md PHP简易上传类（仅供演示用，生产环境使用还需谨慎考虑）
|
|
*
|
|
* @FileName: editormd.uploader.class.php
|
|
* @Auther: Pandao
|
|
* @E-mail: pandao@vip.qq.com
|
|
* @CreateTime: 2015-02-13 23:31:32
|
|
* @UpdateTime: 2015-06-02 15:36:23
|
|
* Copyright@2015 Editor.md all right reserved.
|
|
*/
|
|
|
|
class EditorMdUploader
|
|
{
|
|
public $files; // $_FILES数组
|
|
public $fileExit; // 文件扩展名
|
|
public $saveName; // 最终保存的文件名
|
|
public $saveURL; // 最终保存URL地址
|
|
public $savePath; // 保存本地文件路径
|
|
public $appendResult = []; // 追加到输出结果的数据
|
|
public $randomLength = ''; // 生成随机文件名的长度，当为日期时为日期的格式
|
|
public $randomNameType = 1; // 生成随机的形式, NULL为保留原文件名, 1生成随机字符串, 2生成日期文件名
|
|
public $formats = array( // 允许上传的文件格式
|
|
'gif', 'jpg', 'jpeg', 'png', 'bmp'
|
|
);
|
|
public $maxSize = 1024; // 最大上传文件大小，单位KB
|
|
public $cover = true; // 是否覆盖同名文件, 1覆盖,0不覆盖
|
|
public $redirect = false; // 是否进行URL跳转
|
|
public $redirectURL = ""; // 上传成功或出错后要转到的URL
|
|
public $errors = array( // 错误信息
|
|
'empty' => '上传文件不能为空',
|
|
'format' =>'上传的文件格式不符合规定',
|
|
'maxsize' => '上传的文件太大',
|
|
'unwritable' => '保存目录不可写，请更改权限',
|
|
'not_exist' => '保存目录不存在',
|
|
'same_file' => '已经有相同的文件存在'
|
|
);
|
|
|
|
/**
|
|
* 构造函数，初始化对象
|
|
*
|
|
* @access public
|
|
* @param string $savePath 最终保存的本地路径
|
|
* @param string $saveURL 最终保存的URL地址
|
|
* @param string $formats 允许上传的文件格式
|
|
* @param Number $randomNameType 是否生成随机文件名及形式
|
|
* @param Intiger/string $randomLength 生成随机文件名字符的长度
|
|
* @param boolean $cover 是否覆盖相同文件
|
|
* @param Intiger $maxSize 允许最大的上传文件大小，以KB为单位
|
|
* @return viod
|
|
*/
|
|
|
|
public function __construct($savePath, $saveURL, $formats, $randomNameType = 1, $randomLength = '', $cover = true, $maxSize = 1024)
|
|
{
|
|
$this->savePath = $savePath;
|
|
$this->saveURL = $saveURL;
|
|
$this->formats = $formats;
|
|
$this->maxSize = $maxSize;
|
|
$this->cover = $cover;
|
|
$this->randomNameType = $randomNameType;
|
|
$this->randomLength = $randomLength;
|
|
}
|
|
|
|
/**
|
|
* 配置参数函数
|
|
*
|
|
* @access public
|
|
* @param array $configs 配置项数组
|
|
* @return void
|
|
*/
|
|
|
|
public function config($configs)
|
|
{
|
|
foreach($configs as $key => $value)
|
|
{
|
|
$this->$key = $value;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 执行文件上传
|
|
*
|
|
* @access public
|
|
* @param string $name fileInput's name
|
|
* @return boolean 返回是否上传成功的布尔值
|
|
*/
|
|
|
|
public function upload($name)
|
|
{
|
|
if(empty($_FILES[$name]['name'])) //上传文件为空时
|
|
{
|
|
$this->message($this->errors['empty']);
|
|
|
|
return false;
|
|
}
|
|
|
|
$this->files = $_FILES[$name];
|
|
|
|
if(!file_exists($this->savePath)) //目录不存在
|
|
{
|
|
$this->message($this->errors['not_exist']);
|
|
|
|
return false;
|
|
}
|
|
|
|
if(!is_writable($this->savePath)) //目录不可写
|
|
{
|
|
$this->message($this->errors['unwritable']);
|
|
|
|
return false;
|
|
}
|
|
|
|
$this->fileExt = $this->getFileExt($this->files["name"]); //取得扩展名
|
|
|
|
$this->setSeveName();
|
|
|
|
return $this->moveFile();
|
|
}
|
|
|
|
/**
|
|
* 检查并移动上传文件
|
|
*
|
|
* @access private
|
|
* @return boolean
|
|
*/
|
|
|
|
private function moveFile()
|
|
{
|
|
$files = $this->files;
|
|
|
|
if ($this->formats != "" && !in_array($this->fileExt, $this->formats))
|
|
{
|
|
$formats = implode(',', $this->formats);
|
|
$message = "您上传的文件" . $files["name"] . "是" . $this->fileExt . "格式的，系统不允许上传，您只能上传" . $formats . "格式的文件。";
|
|
$this->message($message);
|
|
|
|
return false;
|
|
}
|
|
|
|
if ($files["size"] / 1024 > $this->maxSize)
|
|
{
|
|
$message = "您上传的 " . $files["name"] . "，文件大小超出了系统限定值" . $this->maxSize . " KB，不能上传。";
|
|
$this->message($message);
|
|
|
|
return false;
|
|
}
|
|
|
|
if (!$this->cover) //当不能覆盖时
|
|
{
|
|
if(file_exists($this->savePath.$this->saveName)) //有相同的文件存在
|
|
{
|
|
$this->message($this->saveName . $this->errors['same_file']);
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (!@move_uploaded_file($files["tmp_name"], iconv("utf-8", "gbk", $this->savePath . $this->saveName)))
|
|
{
|
|
switch($files["errors"])
|
|
{
|
|
case '0':
|
|
$message = "文件上传成功";
|
|
break;
|
|
|
|
case '1':
|
|
$message = "上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值";
|
|
break;
|
|
|
|
case '2':
|
|
$message = "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':
|
|
$message = "文件只有部分被上传";
|
|
break;
|
|
|
|
case '4':
|
|
$message = "没有文件被上传";
|
|
break;
|
|
|
|
case '6':
|
|
$message = "找不到临时目录";
|
|
break;
|
|
|
|
case '7':
|
|
$message = "写文件到硬盘时出错";
|
|
break;
|
|
|
|
case '8':
|
|
$message = "某个扩展停止了文件的上传";
|
|
break;
|
|
|
|
case '999':
|
|
default:
|
|
$message = "未知错误，请检查文件是否损坏、是否超大等原因。";
|
|
break;
|
|
}
|
|
|
|
$this->message($message);
|
|
|
|
return false;
|
|
}
|
|
|
|
@unlink($files["tmp_name"]); //删除临时文件
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* 生成随机文件名函数
|
|
*
|
|
* @access private
|
|
* @return string $fileName 返回生成的文件名字符串
|
|
*/
|
|
|
|
private function randomFileName()
|
|
{
|
|
if ($this->randomNameType == 1) // 生成时间格式文件名
|
|
{
|
|
date_default_timezone_set('PRC'); //设置时区
|
|
|
|
$date = date($this->randomLength);
|
|
$fileName = $date . "_" . mt_rand(10000, 99999);
|
|
}
|
|
elseif ($this->randomNameType == 2) // 生成随机字符文件名
|
|
{
|
|
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz';
|
|
$max = strlen($chars) - 1;
|
|
mt_srand((double)microtime() * 1000000);
|
|
|
|
for($i = 0; $i < $this->randomLength; $i++)
|
|
{
|
|
$fileName .= $chars[mt_rand(0, $max)];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$fileName = '';
|
|
}
|
|
|
|
return $fileName;
|
|
}
|
|
|
|
/**
|
|
* 组成最终保存的完整路径及文件名
|
|
*
|
|
* @access private
|
|
* @return void
|
|
*/
|
|
|
|
private function setSeveName()
|
|
{
|
|
$this->saveName = $this->randomFileName();
|
|
|
|
if($this->saveName == '') //如果没生成随机文件名，就保留原文件名
|
|
{
|
|
$this->saveName = $this->files['name'];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 取得保存的文件名，用于数据库存储
|
|
*
|
|
* @access public
|
|
* @return string
|
|
*/
|
|
|
|
public function getSeveName()
|
|
{
|
|
return $this->saveName;
|
|
}
|
|
|
|
/**
|
|
* 获取文件后缀名函数
|
|
*
|
|
* @access public
|
|
* @return string
|
|
*/
|
|
|
|
public function getFileExt($fileName)
|
|
{
|
|
return trim(strtolower(substr(strrchr($fileName, '.'), 1)));
|
|
}
|
|
|
|
/**
|
|
* 上传成功或出错后跳转
|
|
*
|
|
* @access public
|
|
* @param array $configs 配置项数组
|
|
* @return void
|
|
*/
|
|
|
|
public function redirect()
|
|
{
|
|
header('location: ' . $this->redirectURL);
|
|
}
|
|
|
|
/**
|
|
* 错误提示函数
|
|
*
|
|
* @access public
|
|
* @return void
|
|
*/
|
|
|
|
public function message($message, $success = 0)
|
|
{
|
|
$array = array(
|
|
'success' => $success,
|
|
'message' => $message
|
|
);
|
|
|
|
$array = array_merge($array, $this->appendResult);
|
|
$url = $this->saveURL . $this->saveName;
|
|
|
|
// 适用于跨域上传时，跳转到中介页面等
|
|
if ($this->redirect)
|
|
{
|
|
foreach ($array as $key => $value) {
|
|
if (is_array($value)) {
|
|
$this->redirectURL .= '&' . $key . '=' . urlencode(json_encode($value));
|
|
} else {
|
|
$this->redirectURL .= '&' . $key . '=' . $value;
|
|
}
|
|
}
|
|
|
|
if ($success == 1)
|
|
{
|
|
$this->redirectURL .= '&url=' . $url;
|
|
}
|
|
|
|
$this->redirect();
|
|
}
|
|
else
|
|
{
|
|
if ($success == 1)
|
|
{
|
|
$array['url'] = $url;
|
|
}
|
|
|
|
echo json_encode($array);
|
|
}
|
|
}
|
|
}
|