video_slice_serve/apps/application/controllers/Index.php

<?php 

defined('BASEPATH') or exit( 'No direct script access allowed' );
class Index extends CI_Controller
{
    public function __construct()
    {
        parent::__construct();
        $this->load->database();
        $this->load->model("User");
        $this->User->Login();
    }
    public function index()
    {
        $ip = ("/" == DIRECTORY_SEPARATOR ? $_SERVER["SERVER_ADDR"] : gethostbyname($_SERVER["SERVER_NAME"]));

        $table = CS_SqlPrefix . "video";
        if( !$this->db->field_exists("pic", $table) ) 
        {
            $this->db->query("ALTER TABLE " . $table . " ADD pic varchar(255) DEFAULT '' COMMENT '图片保存路径'");
            $this->db->query("ALTER TABLE " . $table . " ADD m3u8 varchar(255) DEFAULT '' COMMENT '图片保存路径'");
        }
        $data["ctcms"] = $arr;
        $data["news_api"] = "http://m3u8.ctcms.cn/api/news";
        $this->load->view("index.html", $data);
    }
    public function main()
    {
        $data["ver"] = file_get_contents(FCPATH . "libraries/ver.txt");
        $this->load->view("main.html", $data);
    }
    public function update()
    {
        $ver = file_get_contents(FCPATH . "libraries/ver.txt");
        $ip = ("/" == DIRECTORY_SEPARATOR ? $_SERVER["SERVER_ADDR"] : gethostbyname($_SERVER["SERVER_NAME"]));
        $json = get_curl("http://m3u8.ctcms.cn/api/update?ip=" . $ip . "&ver=" . $ver . "&php=" . PHP_VERSION);
        $arr = json_decode($json, 1);
        if( $ver == $arr["ver"] ) 
        {
            echo "当前已经是最新版本，无需更新~!";
        }
        else
        {
            if( empty($arr["list"]) ) 
            {
                exit( "更新文件列表为空" );
            }
            foreach( $arr["list"] as $k => $filename ) 
            {
                $data = get_curl("http://m3u8.ctcms.cn/api/update/data?ip=" . $ip . "&ver=" . $ver . "&filename=" . $filename . "&php=" . PHP_VERSION);
                if( !empty($data) && strpos($data, "--ctyunend--") !== false ) 
                {
                    write_file(FCPATH . $filename, str_replace("--ctyunend--", "", $data));
                }
            }
            write_file(FCPATH . 'libraries/ver.txt', $arr["ver"]);
            echo 'ok';
        }
    }
}