shiziyu18/Modules/Home/Controller/ImageController.class.php

<?php
/**
 * 小梦科技资源nanodreamtech.com
 *
 * ==========================================================================
 * @link      https://www.nanodreamtech.com/
 * @copyright Copyright (c) 2015 liofis.com. 
 * @license   https://www.nanodreamtech.com/license.html License
 * ==========================================================================
 *
 * @author    fish
 *
 */
namespace Home\Controller;
class ImageController extends CommonController{
	
	//删除图片和缩略图
	public function del_image($dir,$image,$type){
		
		$image_dir=ROOT_PATH.'Uploads/image/'.$dir.'/';
		$thumb_dir=ROOT_PATH.'Uploads/image/cache/'.$dir.'/';
		
		list($base_name, $ext) = explode(".", $image);
		$image = explode("/", $base_name);
		$image_name=end($image);

		if($type=='product'){
			$del_image=array();
			$del_image[]=$image_dir.$image_name.'.'.$ext;//原图
			$del_image[]=$thumb_dir.$image_name.'-50x50.'.$ext;	
			$del_image[]=$thumb_dir.$image_name.'-100x100.'.$ext;			
			$del_image[]=$thumb_dir.$image_name.'-255x255.'.$ext;			
		}elseif($type=='gallery'){
			$del_image=array();
			$del_image[]=$image_dir.$image_name.'.'.$ext;//原图
			$del_image[]=$thumb_dir.$image_name.'-100x100.'.$ext;
			$del_image[]=$thumb_dir.$image_name.'-127x127.'.$ext;
		}elseif($type=='blog'){
			$del_image=array();
			$del_image[]=$image_dir.$image_name.'.'.$ext;//原图
			$del_image[]=$thumb_dir.$image_name.'-100x100.'.$ext;
			$del_image[]=$thumb_dir.$image_name.'-280x140.'.$ext;			
		}elseif($type=='blog_gallery'){
			$del_image=array();
			$del_image[]=$image_dir.$image_name.'.'.$ext;//原图
			$del_image[]=$thumb_dir.$image_name.'-100x100.'.$ext;
					
		}
		if(!empty($del_image)){		
			foreach ($del_image as $k => $v) {
				if(is_file($v)){
					 @unlink($v);
				}
			}
		}
	}
	/**
	 * 二进制上传数据
	 */
	public function upload_binaryFile()
	{
	    $data = file_get_contents("php://input");
	    $get_data = I('get.');
	    $dir = I('get.dir','goods');
	    $type = I('get.type');
	    $name = I('get.name');
	    
	    $image_dir = ROOT_PATH.'Uploads/image/'.$dir;
	    $image_dir .= '/'.date('Y-m-d').'/';
	    
	    $file_path = C('SITE_URL').'/Uploads/image/'.$dir.'/'.date('Y-m-d').'/';
		$kufile_path = $dir.'/'.date('Y-m-d').'/';
	    
	    RecursiveMkdir($image_dir);
	    $file_name = md5($name.time()).'.png';
	   
	    switch($type)
	    {
	        case 'image/jpeg':
	            $file_name = md5($name.time()).'.jpg';
	            break;
	        case 'image/png':
	            $file_name = md5($name.time()).'.png';
	            break;
	    }
	    
	    $thumb_arr = explode('.',$file_name);
	    $thumb_image_name = $thumb_arr[0].'_thumb.'.$thumb_arr[1];
	    
	    file_put_contents($image_dir.$file_name, $data);
	    
	    $image = new \Think\Image();
	    $image->open($image_dir.$file_name);
	    //按照原图的比例生成一个最大为400*400的缩略图并保存为thumb.jpg, 实际会按比例自动缩放
	    $image->thumb(400, 400)->save($image_dir.$thumb_image_name);
	    
		////{"filePath":"\/Uploads\/image\/goods\/2017-07-05\/","fileName":"7e414de26624c0a5ac7cd5b9bd5edfe3.jpg"}
		
	    $result = array('filePath' =>$file_path ,'kufile_path' => $kufile_path,'fileName' => $file_name);
	   
	    echo json_encode($result);
	    die();
	}
	
	/**
	 *删除 旧的原图和缩略图，修改的情况下使用
	 * 
	 */
	public function del_old_image(){
		
		$old_gallery_image=I('post.old_gallery_image');
		$old_product_image=I('post.old_product_image');
		
		if(!empty($old_gallery_image)){
			$old_image=I('post.old_gallery_image');
						
			$thumb_dir=ROOT_PATH.'Uploads/image/cache/gallery/';
			$image_dir=ROOT_PATH.'Uploads/image/gallery/';
			
		}elseif(!empty($old_product_image)){
			$old_image=I('post.old_product_image');
			
			$thumb_dir=ROOT_PATH.'Uploads/image/cache/product/';
			$image_dir=ROOT_PATH.'Uploads/image/product/';
			
		}
		if(!empty($old_image)){			
		
			list($base_name, $ext) = explode(".", $old_image);
			$image = explode("/", $base_name);
			$image_name=end($image);
	
			$del_image=array();
			$del_image[]=$image_dir.$image_name.'.'.$ext;//原图
			$del_image[]=$thumb_dir.$image_name.'-100x100.'.$ext;//100x100
			
			foreach ($del_image as $k => $v) {
				if(is_file($v)){
					 @unlink($v);
				}
			}
		}
	}
	/**
	 *上传图片 
	 */
	public function upload_image(){
		
		$dir=I('get.dir');
		$dir .= '/'.date('Y-m-d');
		
		$this->del_old_image();
		
		$upload = new \Think\Upload();// 实例化上传类    
	    
	    $image_dir=ROOT_PATH.'Uploads/image/'.$dir;
	    
	    RecursiveMkdir($image_dir);
	   
	   
	    $upload->autoSub   =	 false; 
	    $upload->maxSize   =     3145728 ;// 设置附件上传大小   
	    $upload->exts      =     array('jpg', 'gif', 'png', 'jpeg');// 设置附件上传类型   
	    $upload->rootPath  =	 $image_dir.'/';
	   
	    $info   =   $upload->upload();  
		
		if(!$info) {
			$data['result'] = false;
			
		 	$this->ajaxReturn($data);
    	 }else{// 上传成功   
    	 	
    	 	$filename=$dir.'/'.$info['file']['savepath'].$info['file']['savename'];    	 
			$data['image_thumb'] = resize($filename, 100, 100);
			$data['image'] = $filename;
    	    $this->ajaxReturn($data);
		
 		 }
	}

		//用于ckeditor图片上传
	function ckupload(){
	    $upload = new \Think\Upload();// 实例化上传类    
	    
	    $upload->maxSize   =     3145728 ;// 设置附件上传大小   
	    $upload->exts      =     array('jpg', 'gif', 'png', 'jpeg');// 设置附件上传类型   
	    $upload->rootPath  =	 ROOT_PATH.'Uploads/image/goods_description/';
	    RecursiveMkdir($upload->rootPath);
	    
	    $info   =   $upload->upload();   
		 if(!$info) {
    		// 上传错误提示错误信息        
    		echo "<script type=\"text/javascript\">window.parent.CKEDITOR.tools.callFunction(".$_GET['CKEditorFuncNum'].", '/', '上传失败," . $upload->getError() . "！');</script>";
		 }else{// 上传成功        
			$n=$_GET['CKEditorFuncNum'];
		 	$savepath=C('SITE_URL').'/Uploads/image/goods_description/'. $info['upload']['savepath'].$info['upload']['savename'];
       		//下面的输出，会自动的将上传成功的文件路径，返回给编辑器。
        	echo "<script type=\"text/javascript\">window.parent.CKEDITOR.tools.callFunction(".$n.",'$savepath','');</script>";
	 }
			 
	}
	
}