erp/core/CoreApp/controllers/Img.php

<?php defined('BASEPATH') OR exit('No direct script access allowed');
class Img extends Admin_Controller {
    function __construct(){
        parent::__construct();
		$this->load->library('upload');
	}
	
	public function _remap($arg)
    {
		if($arg == 'textimg')
        {
             $this->_textimg();
        }
		else if($arg == 'thumb')
		{
			$this->_thumb();
		}
		else
		{
			$this->_index();
		}
    }
	//上传图片
	public function _index()
	{
		$dir = '/data/img/'.date('Ymd',time()).'/';
		$config['upload_path'] = '.'.$dir ;
		$config['file_name'] = date('Ymd_His_',time()).rand(1000,9999);
        $config['allowed_types'] = '*';
        $config['max_size'] = 51200;
		$this->load->library('upload', $config);
		$this->upload->initialize($config);
        if ($this->upload->do_upload('userfile'))
        {
			$data = $this->upload->data();
			// 获取原文件名和文件后缀
            $file_name = $data['file_name'];
            $file_ext = strtolower($data['file_ext']); // 将后缀变为小写
            // 生成新的文件名
             $new_file_name = $data['raw_name'] . $file_ext;
            // 重命名文件
            rename($data['full_path'], $data['file_path'] . $new_file_name);
			$full_path = $dir.$new_file_name;
            echo json_encode(array('ok'=>1,'lx'=>$file_ext,'filename'=>$full_path));
        }
		else
		{
			$cw = str_replace(array('<p>','</p>'),'',$this->upload->display_errors());
			echo json_encode(array('msg'=>$cw));
		}
    }
	//编辑器上传图
	public function _textimg()
	{
		$dir = '/data/img/'.date('Ymd',time()).'/';
		$config['upload_path'] = '.'.$dir ;
		$config['file_name'] = date('Ymd_His_',time()).rand(1000,9999);
        $config['allowed_types'] = 'gif|jpg|png';
        $config['max_size'] = 51200;
		$field_name = "upfile";
		$this->load->library('upload', $config);
		$this->upload->initialize($config);
        if ($this->upload->do_upload($field_name))
        {
			$name = $this->upload->data('file_name'); //重命名后的图片名称+后缀
			$client_name = $this->upload->data('client_name');//提交的图片名称+后缀
			$file_ext = $this->upload->data('file_ext');//图片后缀
			$file_size = $this->upload->data('file_size');//图片大小
			$full_path = $dir.$this->upload->data('file_name');//图片上传的完整路径+名称+后缀
            echo json_encode(array('errno'=>0,'data'=>array('url'=>'http://a.wepolicy.cn'.$full_path)));
        }
		else
		{
			echo json_encode(array('errno'=>1,'data'=>array('message'=>$this->upload->display_errors())));
		}
    }
	public function _thumb()
	{
	    $this->load->library('thumb');
	    $test=new thumb();  
	    $src = FCPATH.$this->input->get('src');
	    $w = $this->input->get('w');
	    $h = $this->input->get('h');
	    $a = $this->input->get('a');
 
	    $test->SetVar($src,'link');  
	    $test->PRorate($src,$w,$h);  
	}
}