\Upload_model

<?php
/**
 * 图片处理上传model
 */
class Upload_model extends CI_Model
{
	private $path = 'attachment';
	private $max_size = 0;
	private $upFileType = '';
	private $videotype = '';
	private $videosize = 0;
	private $audioSize = 0;
	private $audioType = '';
	public function __construct()
	{
	    parent::__construct();

	    $this->upFileType = $this->config->item('imageType');
	    $this->videotype = $this->config->item('videoType');
	    $this->videosize = $this->config->item('videoSize');
	    $this->audioType = $this->config->item('audioType');
	    $this->audioSize = $this->config->item('audioSize');
	    //最大文件大小
	    $this->max_size = $this->config->item('imageSize');

        //$this->load->library('Fastdfsclient');//fastdfs删除操作类

	    $this->load->library('Image');//图片处理类
	}

	/**
	 * 图片上传
	 * @param $filekey string POST请求中图片数据的key inputname
	 * @param $uploadfile string 图片文件
	 * @param $thumbconfig array 图片压缩配置
	 * */
    public function uploadImage($filekey = '', $thumbFlag = FALSE)
	{
		$res = array(
						'err' => 0,
						'msg' => '上传成功',
						'data' => array() 
		);
		$filename = '';
		
		// echo '<br />';
		
		if (isset($_FILES[$filekey]["tmp_name"]) && $_FILES[$filekey]["tmp_name"] != "")
		{
			$name = explode(".", $_FILES[$filekey]["name"]); // 将上传前的文件以“.”分开取得文件类型
			$imgCount = count($name); // 获得截取的数量
			$imgType = $name[$imgCount - 1]; // 取得文件的类型
			$imgType = strtolower($imgType);
			if (strpos($this->upFileType, $imgType) === false)
			{
				return array(
								'err' => 11,
								'msg' => '上传文件类型仅支持' . $this->upFileType . ' 不支持 ' . $imgType 
				);
			}
			
			if (!empty($_FILES[$filekey]['error']))
			{
				$res = $this->_fileErr($_FILES[$filekey]['error']);
				return $res;
			}
			
			$imgSize = $_FILES[$filekey]["size"];
			$kSize = round($imgSize / 1024);
			if (empty($kSize))
			{
				return array(
								'err' => 12,
								'msg' => '原文件已损坏，请重新上传' 
				);
			}
			
			if ($kSize > ($this->max_size * 1024))
			{
				return array(
								'err' => 11,
								'msg' => '上传文件超过' . $this->max_size . ' KB' 
				);
			}
			
			$mtime = explode(' ', microtime());
			$new_filename = "$mtime[1]".rand(1,1000);
			$new_filename_all = $new_filename.".$imgType";
			
			$uploaddir = $this->path;
			$uploadfile = $uploaddir . '/' . date('Ymd') . '/' . $new_filename_all;
			
			// $a = $_FILES[$filekey]['tmp_name'];
			// var_dump($a);
			// echo '<br />';
			// var_dump($uploadfile);
			// echo '<br />';
			$c = move_uploaded_file($_FILES[$filekey]['tmp_name'], $uploadfile);
			
			
			if (@move_uploaded_file($_FILES[$filekey]['tmp_name'], $uploadfile)) // 移动到临时目录
			{
				$res['data']['filename'] = $uploadfile;
				//var_dump($thumbFlag);exit;
				if ($thumbFlag !== FALSE)
				{
					$imageInfo = pathinfo($uploadfile);
					
// 					$imageSize = $thumbFlag;
				
// 					foreach ($imageSize as $k => $v)
// 					{
// 						setDir($this->path . '/' . date('Ymd') . '/' . $k);
// 						$newimgname = $imageInfo['dirname'] . '/' . $k . '/' . $imageInfo['basename'];
// 						$thumbimg = $this->image->thumb($uploadfile, $v[0], $v[1], $newimgname);
// 					}
				}
				return $res;
			}
			else
			{
				return array(
								'err' => 11,
								'msg' => '上传时间超时' 
				);
			}
		}
		else
		{
			if (!empty($uploadfile))
			{
				return array(
								'err' => 11,
								'msg' => '上传图片失败' 
				);
			}
		}
	}

	/**
	 * 上传文件和视频
	 * */
	public function uploadfile($filekey='', $uploadfile='')
	{
		$res = array('err'=>0, 'msg'=>'上传成功', 'data'=>array());
		$filename ='';

		if (isset($_FILES[$filekey]["tmp_name"]) && $_FILES[$filekey]["tmp_name"] != "")
		{
			$name = explode(".",$_FILES[$filekey]["name"]);//将上传前的文件以“.”分开取得文件类型
			$Count = count($name);//获得截取的数量
			$Type = $name[$Count-1];//取得文件的类型
			$Type = strtolower($Type);
			if(strpos($this->videotype,$Type) === false){
				return array('err'=>11, 'msg'=>'上传文件类型仅支持'.$this->videotype.' 不支持 '.$Type);
			}

			if (!empty($_FILES[$filekey]['error']))
			{
				$res = $this->_fileErr($_FILES[$filekey]['error']);
				return $res;
			}

			$imgSize = $_FILES[$filekey]["size"];
			$kSize = round($imgSize/1024);
			if(empty($kSize))
			{
			    return array('err'=>12, 'msg'=>'原文件已损坏，请重新上传');
			}

			if($kSize > ($this->videosize*1024)) {
				return array('err'=>11, 'msg'=>'上传文件超过'.$this->videosize.' KB');
			}

			$uploaddir = $this->path;
			$uploadfile = $uploaddir .'/'.date('YmdHis').'-'.md5(uniqid()).basename($_FILES[$filekey]['name']);
			if (@move_uploaded_file($_FILES[$filekey]['tmp_name'], $uploadfile))//移动到临时目录
			{
				$filename  = $uploadfile;
			}
			else
			{
				return array('err'=>11, 'msg'=>'上传失败，请确认你的上传文件不超过 '.$this->videosize.' KB 或上传时间超时');
			}
		}
		else
		{
			if(!empty($uploadfile))
			{
				$filename  = realpath($uploadfile);
			}
		}

		if(!empty($filename))
		{
			$mainfile = $this->fastdfsclient->fdfs_upload($filename);
			$res['data'] = $mainfile;
			@unlink($filename);
		}
		else
		{
			return array('err'=>11, 'msg'=>'没有上传信息,请确认');
		}

		return $res;
	}

	/**
	 * 上传音频
	 * */
	public function uploadAudio($filekey='', $uploadfile='')
	{
		$res = array('err'=>0, 'msg'=>'上传成功', 'data'=>array());
		$filename ='';

		if (isset($_FILES[$filekey]["tmp_name"]) && $_FILES[$filekey]["tmp_name"] != "")
		{
			$name = explode(".",$_FILES[$filekey]["name"]);//将上传前的文件以“.”分开取得文件类型
			$Count = count($name);//获得截取的数量
			$Type = $name[$Count-1];//取得文件的类型
			$Type = strtolower($Type);
			if(strpos($this->audioType,$Type) === false){
				return array('err'=>11, 'msg'=>'上传文件类型仅支持'.$this->audioType.' 不支持 '.$Type);
			}

			if (!empty($_FILES[$filekey]['error']))
			{
				$res = $this->_fileErr($_FILES[$filekey]['error']);
				return $res;
			}

			$imgSize = $_FILES[$filekey]["size"];
			$kSize = round($imgSize/1024);
			if(empty($kSize))
			{
			    return array('err'=>12, 'msg'=>'原文件已损坏，请重新上传');
			}

			if($kSize > ($this->audioSize*1024)) {
				return array('err'=>11, 'msg'=>'上传文件超过'.$this->audioSize.' KB');
			}

			$uploaddir = $this->path;
			$uploadfile = $uploaddir .'/'.date('YmdHis').'-'.md5(uniqid()).basename($_FILES[$filekey]['name']);
			if (@move_uploaded_file($_FILES[$filekey]['tmp_name'], $uploadfile))//移动到临时目录
			{
				$filename  = $uploadfile;
			}
			else
			{
				return array('err'=>11, 'msg'=>'上传失败，请确认你的上传文件不超过 '.$this->audioSize.' KB 或上传时间超时');
			}
		}
		else
		{
			if(!empty($uploadfile))
			{
				$filename  = realpath($uploadfile);
			}
		}

		if(!empty($filename))
		{
			$mainfile = $this->fastdfsclient->fdfs_upload($filename);
			$res['data'] = $mainfile;
			@unlink($filename);
		}
		else
		{
			return array('err'=>11, 'msg'=>'没有上传信息,请确认');
		}

		return $res;
	}

	/**
	 * 剪切图片
	 * */
	public function cropimage($thumbconfig=array())
	{
		$avatar_src = isset($_POST['avatar_src']) ? $_POST['avatar_src'] : null;
		$avatar_data = isset($_POST['avatar_data']) ? $_POST['avatar_data'] : null;
		$avatar_file = isset($_FILES['avatar_file']) ? $_FILES['avatar_file'] : null;
		$this->load->library('Cropimage');
		$this->cropimage->cropimg($avatar_src, $avatar_data, $avatar_file);

		/* $response = array(
			'state'  => 200,
			'message' => $this->cropimage->getMsg(),
			'result' => $this->cropimage->getResult()
		); */

		$filename = $this->cropimage->getResult();
		$filename  = realpath($filename);

		$res = array();
		if(!empty($filename))
		{
			$mainfile = $this->fastdfsclient->fdfs_upload($filename);
			$imginfo = getimagesize($filename);
			$res['data']['original'] = $mainfile;
			$res['data']['originalwidth'] = !empty($imginfo[0]) ? $imginfo[0] : 1;
			$res['data']['originalheight'] = !empty($imginfo[1]) ? $imginfo[1] : 1;

			if(!empty($thumbconfig) && $mainfile)
			{
				//sleep(5);
				foreach ($thumbconfig as $k=>$v)
				{
					$imageType = pathinfo($filename, PATHINFO_EXTENSION);
					$newimgname = $k.date('YmdHis').'-'.md5(uniqid()).'.'. $imageType;
					$thumbimg = $this->image->thumb($filename, $v[0], $v[1],$newimgname);
					$thumbimgurl = $this->path.'/'.$thumbimg;
					$thumbimgurl = realpath($thumbimgurl);
					if(!empty($thumbimgurl))
					{
						$fdfsthum = $this->fastdfsclient->fdfs_upload_slave($thumbimgurl,$mainfile['group_name'],$mainfile['sourcefile'],'_'.$k);
						if(!$fdfsthum)
						{
							$fdfsthum = $this->fastdfsclient->fdfs_upload_slave($thumbimgurl,$mainfile['group_name'],$mainfile['sourcefile'],'_'.$k);
						}
					}
					else
					{
						$fdfsthum = $this->fastdfsclient->fdfs_upload_slave($filename,$mainfile['group_name'],$mainfile['sourcefile'],'_'.$k);
					}
					$res['data'][$k] = $fdfsthum;
					@unlink($this->path.'/'.$thumbimg);
				}
				//exit;
			}
			@unlink($filename);
		}

		$res['state'] = 200;
		$res['message'] = $this->cropimage->getMsg();

		return $res;
		//echo json_encode($response);
	}

	private function _fileErr($fileerr=0)
	{
		$res = array('err'=>0, 'msg'=>'成功');
		switch($fileerr){
			case '1':
				$res['err'] = 1;
				$res['msg'] = '超过php.ini允许的大小。';
				break;
			case '2':
				$res['err'] = 2;
				$res['msg'] = '超过表单允许的大小。';
				break;
			case '3':
				$res['err'] = 3;
				$res['msg'] = '只有部分被上传。';
				break;
			case '4':
				$res['err'] = 4;
				$res['msg'] = '请选择文件。';
				break;
			case '6':
				$res['err'] = 6;
				$res['msg'] = '找不到临时目录。';
				break;
			case '7':
				$res['err'] = 7;
				$res['msg'] = '写文件到硬盘出错。';
				break;
			case '8':
				$res['err'] = 8;
				$res['msg'] = 'File upload stopped by extension。';
				break;
			case '999':
			default:
				$res['err'] = 999;
				$res['msg'] = '未知错误。';
		}

		return $res;
	}

	/**
	 * 获取图片路径
	 * */
	public function picUrl($path ,$k='')
	{
		$url = '';
		$strpos = strpos($path,"attachment");

		if ($strpos === FALSE)
		{
			$imgurl = $this->config->item('img_url').'/';
		}
		else
		{
			$imgurl = $this->config->item('base_url').'/';
		}

		if(!empty($path) && !empty($k) && !$strpos)
		{
			$_filehz = pathinfo($path, PATHINFO_EXTENSION);
			$pic = rtrim($path,'.'.$_filehz);
			$path = $pic.'_'.$k.'.'.$_filehz;
		}

		if(!empty($path))
		{
			$url = $imgurl.$path;
		}
		return $url;
	}

}
/* End of file Upload_model.php */