danci/www.hanlinyuanonline.com/Application/Cron/Controller/CourseController.class.php

<?php
namespace Cron\Controller;
use Common\Controller\CronController;
class CourseController extends CronController {
    public function __construct(){
        parent::__construct();
    }
    public function index(){
        $course = M('Course')->where(array('course_name'=>array('IN',array('易错单词','重点单词')),))->select();
        foreach ($course as $c){
            $words = M('Words')->where(array('course_id'=>$c['course_id']))->field('words_id,operate_dt')->select();
            if ($words==null){
                continue;
            }
            foreach ($words as $w){
                $info = M('Words')->where(array('words_id'=>array('lt',$w['words_id'])))->order('words_id desc')->field('words_id,operate_dt')->find();
                M('Words')->where(array('words_id'=>$w['words_id']))->save(array('operate_dt'=>strtotime(date('Y-m-d',$info['operate_dt']))));
            }
        }
    }
}