ci框架圖片上傳

    public function upload_img(){
        $config['upload_path']      = './uploads/tenants/hospital_picture';//設置上傳路徑
        $config['allowed_types']    = 'gif|jpg|png|jpeg'; //設置圖片類型
        $config['file_name'] = date('YmdHis').rand(1000,9999);//配置圖片名稱


        $this->load->library('upload', $config);//加載ci自帶的圖片上傳插件
        // print_r($this->upload->data());//打印上傳信息
        if (!$this->upload->do_upload('file_name'))//上傳文件
        {
            $this->return['status'] = 'fail';
            $this->return['msg'] = $this->upload->display_errors();//顯示錯誤信息
            $this->result();
        }else{
            $data = $this->upload->data();//獲取上傳信息
            $path = base_url('uploads/tenants/hospital_picture/').$data['file_name'];//拼接出文件路徑
            $this->return['data'] = $path;//將地址返回到前臺
            $this->result();
        }
    }