ImgURL是一个简单、纯粹的图床程序,让个人图床多一个选择。
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<?php
/*
name:ImgURL上传控制器
author:xiaoz.me
QQ:337003006
*/
//允许跨域请求
header("Access-Control-Allow-Origin: *");
defined('BASEPATH') OR exit('No direct script access allowed');
class Upload extends CI_Controller{
//声明上传文件路径
public $upload_path;
//声明文件相对路径
public $relative_path;
public $image_lib;
//当前时间
public $date;
//设置临时目录
public $temp;
//用户是否已经登录的属性
protected $user;
//构造函数
public function __construct()
{
parent::__construct();
//设置上传文件路径
$this->upload_path = FCPATH.'imgs/'.date('Y',time()).'/'.date('m',time()).'/';
$this->upload_path = str_replace('\\','/',$this->upload_path);
$this->relative_path = "/imgs/".date('Y',time()).'/'.date('m',time()).'/';
$this->relative_path = str_replace('\\','/',$this->relative_path);
$this->temp = FCPATH.'data/temp/';
//如果文件夹不存在,则创建文件夹
if(!is_dir($this->upload_path)){
//递归模式创建目录
mkdir($this->upload_path,0777,TRUE);
}
$this->date = date('Y-m-d H:i',time());
//加载辅助函数
$this->load->helper('basic');
$ip = get_ip();
//加载基本类
$this->load->library('basic');
//加载查询模型
$this->load->model('query','',TRUE);
//用户已经登录
if($this->basic->is_login(FALSE)){
$this->user = 'admin';
}
else{
$this->user = 'visitor';
//限制上传数量
if($this->query->uplimit($ip) === FALSE){
$this->error_msg("上传达到上限!");
}
}
}
//通用上传设置
protected function config($upload_path = ''){
//设置上传路径
if($upload_path == ''){
$upload_path = $this->upload_path;
}
// var_dump();
$config['upload_path'] = $upload_path;
$config['allowed_types'] = 'gif|jpg|png|bmp|webp';
$config['max_size'] = 5120;
$config['file_ext_tolower'] = TRUE; //文件名转换为小写
$config['overwrite'] = TRUE; //覆盖同名文件
$config['encrypt_name'] = TRUE; //随机命名图片
return $config;
}
public function localhost($type = 'json'){
//加载上传的配置选项
$config = $this->config();
//加载上传类
$this->load->library('upload', $config);
//上传失败
if ( ! $this->upload->do_upload('file'))
{
$msg = $this->upload->display_errors();
$msg = strip_tags($msg);
$this->error_msg($msg);
}
else
{
$data = $this->upload->data();
//加载模型
$this->load->model('insert','',TRUE);
$this->load->model('query','',TRUE);
//计算文件MD5
$file_name = md5_file($data['full_path']);
$file_name = substr($file_name,8,16);
//图片唯一ID
$imgid = $file_name;
$file_name = $file_name.$data['file_ext'];
//新图片完整路径
$full_path = $this->upload_path.$file_name;
$full_path = str_replace("\\","/",$full_path);
//新图片相对路径
$relative_path = $this->relative_path.$file_name;
//缩略图相对路径
$thumbnail_path = $this->relative_path.$imgid.'_thumb'.$data['file_ext'];
//获取域名
$domain = $this->query->domain('localhost');
//获取图片URL地址
$url = $domain.$relative_path;
//缩略图地址
$thumbnail_url = $domain.$thumbnail_path;
//重命名文件
rename($data['full_path'],$full_path);
//生成缩略图
$this->load->library('image');
if(!$this->image->thumbnail($full_path,290,175)){
//像素太小就不生产缩略图
$thumbnail_url = $domain.$relative_path;
}
//CI获取获取.bmp 图片的像素,认为.bmp不是图像类型,改用其它方法获取像素
if($data['file_type'] == 'image/x-ms-bmp'){
$tmpinfo = getimagesize($full_path);
$data['image_width'] = $tmpinfo[0];
$data['image_height'] = $tmpinfo[1];
}
//查询图片是否上传过
if($imginfo = $this->query->repeat($imgid)){
$id = $imginfo->id;
//重组数组
$info = array(
"code" => 200,
"id" => $id,
"imgid" => $imgid,
"relative_path" => $relative_path,
"url" => $url,
"thumbnail_url" => $thumbnail_url,
"width" => $data['image_width'],
"height" => $data['image_height']
);
//$this->succeed_msg($info);
//根据不同的类型返回不同的数据
$this->re_data($type,$info);
}
//图片没有上传过
else{
//需要插入到images表的数据
$datas = array(
"imgid" => $imgid,
"path" => $relative_path,
"thumb_path"=> $thumbnail_path,
"storage" => "localhost",
"ip" => get_ip(),
"ua" => get_ua(),
"date" => $this->date,
"user" => $this->user,
"level" => 'unknown'
);
//需要插入到imginfo表的数据
$imginfo = array(
"imgid" => $imgid,
"mime" => $data['file_type'],
"width" => $data['image_width'],
"height" => $data['image_height'],
"ext" => $data['file_ext'],
"client_name" => $data['client_name']
);
//插入数据到img_images表
$id = $this->insert->images($datas);
$this->insert->imginfo($imginfo);
//重组数组
$info = array(
"code" => 200,
"id" => $id,
"imgid" => $imgid,
"relative_path" => $relative_path,
"url" => $url,
"thumbnail_url" => $thumbnail_url,
"width" => $data['image_width'],
"height" => $data['image_height']
);
//根据不同的类型返回不同的数据
$this->re_data($type,$info);
}
}
}
//根据不同的类型返回不同的数据
protected function re_data($type,$info){
$url = $info['url'];
switch ($type) {
case 'json':
$this->succeed_msg($info);
break;
case 'url':
echo $url;
break;
case 'html':
echo "<img src = '$url' />";
break;
case 'markdown':
echo "![]($url)";
break;
case 'bbcode':
echo "[img]".$url."[/img]";
break;
default:
$this->succeed_msg($info);
break;
}
}
//上传成功返回json
protected function succeed_msg($data){
$info = json_encode($data);
echo $info;
exit;
}
//上传失败返回json
protected function error_msg($msg){
$data = array(
"code" => 0,
"msg" => $msg
);
$data = json_encode($data);
echo $data;
exit;
}
//URL上传
public function url(){
$url = @$this->input->post('url',TRUE);
$url = trim($url);
//检测用户是否登录
$this->load->library('basic');
$this->basic->is_login(TRUE);
//判断URL是否合法
if(!filter_var($url, FILTER_VALIDATE_URL)){
$this->error_msg('不是有效的URL地址!');
}
//继续执行
//获取图片后缀名
$url_arr = explode('.',$url);
$ext = strtolower(end($url_arr));
//判断是否是允许的后缀
switch($ext){
case 'png':
case 'jpg':
case 'jpeg':
case 'bmp':
case 'gif':
case 'bmp':
break;
default:
$this->error_msg('不是有效的图片地址!');
exit;
}
//继续执行
//下载图片
$pic_data = $this->basic->dl_pic($url);
//临时文件路径
$tmp_name = $this->temp.md5($url);
//写入临时文件
file_put_contents($tmp_name,$pic_data);
//计算文件MD5
$imgid = md5_file($tmp_name);
$imgid = substr($imgid,8,16);
$file_name = $imgid.'.'.$ext;
//图片相对路径
$relative_path = $this->relative_path.$file_name;
$ext = '.'.$ext;
//查询图片是否已经上传过
if($this->query->repeat($imgid)){
//删除临时文件
unlink($tmp_name);
$this->error_msg('文件已经上传过!');
exit;
}
//没有上传过继续执行
//复制图片到上传目录
$full_path = $this->upload_path.$file_name;
copy($tmp_name,$full_path);
//删除临时文件
unlink($tmp_name);
//生成缩略图
$this->load->library('image');
$this->image->thumbnail($full_path,290,175);
//获取图片信息
$img_info = getimagesize($full_path);
//缩略图相对地址
$thumbnail_path = $this->relative_path.$imgid.'_thumb'.$ext;
//需要插入到images表的数据
$datas = array(
"imgid" => $imgid,
"path" => $relative_path,
"thumb_path"=> $thumbnail_path,
"storage" => "localhost",
"ip" => get_ip(),
"ua" => get_ua(),
"date" => $this->date,
"user" => $this->user,
"level" => 'unknown'
);
//需要插入到imginfo表的数据
$imginfo = array(
"imgid" => $imgid,
"mime" => $img_info['mime'],
"width" => $img_info[0],
"height" => $img_info[1],
"ext" => $ext,
"client_name" => $file_name
);
//加载数据库模型
$this->load->model('insert','',TRUE);
//插入数据到img_images表
$id = $this->insert->images($datas);
$this->insert->imginfo($imginfo);
//获取域名
$domain = $this->query->domain('localhost');
//获取图片URL地址
$url = $domain.$relative_path;
//返回成功的信息
$re = array(
"code" => 200,
"msg" => $url
);
$re = json_encode($re);
echo $re;
}
//粘贴上传
public function parse(){
$date = date('Y-m-d H:i:s',time());
//临时文件名
$tmp_name = get_ip().get_ua().$date;
$tmp_name = md5($tmp_name);
//图片临时路径
$tmp_file = $this->temp.$tmp_name;
//接接收ase64图片
$picfile = $_POST['content'];
$picfile = base64_decode($picfile);
//echo $picfile;
//存储图片
file_put_contents($tmp_file, $picfile);
//判断图片MIME类型
if(!mime($tmp_file)){
unlink($tmp_file);
$this->error_msg('不允许的文件类型!');
exit;
}
//继续执行
//计算文件MD5
$imgid = md5_file($tmp_file);
$imgid = substr($imgid,8,16);
//获取文件后缀
$ext = ext($tmp_file);
$file_name = $imgid.$ext;
//图片相对路径
$relative_path = $this->relative_path.$file_name;
//图片完整路径
$full_path = $this->upload_path.$file_name;
//查询图片是否已经上传过
if($this->query->repeat($imgid)){
//删除临时文件
unlink($tmp_file);
$this->error_msg('文件已经上传过!');
exit;
}
//没有上传过继续执行
//复制图片到上传目录
copy($tmp_file,$full_path);
$file_name = $imgid.$ext;
//删除临时文件
unlink($tmp_file);
//生成缩略图
$this->load->library('image');
$this->image->thumbnail($full_path,290,175);
//缩略图地址
$thumbnail_path = $this->relative_path.$imgid.'_thumb.'.$ext;
//获取图片信息
$img_info = getimagesize($full_path);
//需要插入到images表的数据
$datas = array(
"imgid" => $imgid,
"path" => $relative_path,
"thumb_path"=> $thumbnail_path,
"storage" => "localhost",
"ip" => get_ip(),
"ua" => get_ua(),
"date" => $this->date,
"user" => $this->user,
"level" => 'unknown'
);
//需要插入到imginfo表的数据
$imginfo = array(
"imgid" => $imgid,
"mime" => $img_info['mime'],
"width" => $img_info[0],
"height" => $img_info[1],
"ext" => $ext,
"client_name" => $file_name
);
//加载数据库模型
$this->load->model('insert','',TRUE);
//插入数据到img_images表
$id = $this->insert->images($datas);
$this->insert->imginfo($imginfo);
//获取域名
$domain = $this->query->domain('localhost');
//获取图片URL地址
$url = $domain.$relative_path;
$thumbnail_url = $domain.$this->relative_path.$imgid.'_thumb'.$ext;
//返回成功的信息
//重组数组
$info = array(
"code" => 200,
"id" => $id,
"imgid" => $imgid,
"relative_path" => $relative_path,
"url" => $url,
"thumbnail_url" => $thumbnail_url,
"width" => $img_info[0],
"height" => $img_info[1]
);
$this->succeed_msg($info);
//echo $re;
}
}
?>