yuanshan_zuche/application/api/controller/Demo.php

<?php

namespace app\api\controller;

use app\common\controller\Api;
use think\Db;
/**
 * 示例接口
 */
class Demo extends Api
{

    protected $noNeedLogin = ['*'];
    protected $noNeedRight = ['*'];


    public function get_car_price(){
        $car_id = 1;
        $car_info = Db::name('car')->where('id',$car_id)->find();

        //最终结构
        if(empty($car_info['price_json'])){
            $car_info['price_json'] = [];
        }else{
            $car_info['price_json'] = json_decode($car_info['price_json'],true);
        }
        $all_price = $this->rili_price($car_info['price'],$car_info['price_json']);
        //dump($all_price);

        $this->success(1,$all_price);
    }

    private function rili_price($default_price,$car_price)
    {
        $month_num = 12;           //预算3个月,不可以超过12
        $toyear    = date('Y');   //今天 年份
        $tomonth   = date('n');   //今天 几月
        $today     = date('j');   //今天 几号

        //今年每月天数
        $toyear_month_days = [
            1 => 31,
            2 => $toyear%4 == 0 ? 29 : 28,
            3 => 31,
            4 => 30,
            5 => 31,
            6 => 30,
            7 => 31,
            8 => 31,
            9 => 30,
            10 => 31,
            11 => 30,
            12 => 31,
        ];
        //明年每月天数
        $nextyear_month_days = [
            1 => 31,
            2 => ($toyear+1)%4 == 0 ? 29 : 28,
            3 => 31,
            4 => 30,
            5 => 31,
            6 => 30,
            7 => 31,
            8 => 31,
            9 => 30,
            10 => 31,
            11 => 30,
            12 => 31,
        ];

        //今年假期，明年假期
        $toyear_holiday   = Db::name('car_price_holiday')->where('year',$toyear)->select();
        $nextyear_holiday = Db::name('car_price_holiday')->where('year',$toyear+1)->select();
        //提前解析，不在循环里解析
        foreach($toyear_holiday as $key => $val){
            $toyear_holiday[$key]['date_json'] = json_decode($val['date_json'],true);
        }
        foreach($nextyear_holiday as $key => $val){
            $nextyear_holiday[$key]['date_json'] = json_decode($val['date_json'],true);
        }

        //本月剩余日期
        $this_month = [];
        $tomonth_days = $toyear_month_days[$tomonth]; //本月天数
        for($i = 1;$i <= $tomonth_days; $i++){
            //新的一天
            $date = $toyear.'-'.$tomonth.'-'.$i;

            $newday = [];
            $newday = ['name'=>$i,'date'=>$date,'val'=>strtotime($date),'hasTips'=>'false','tips'=>'','istoday'=>-1,'price'=>$default_price,'jq_id'=>0];
            $newday['date'] = date('Y-m-d',$newday['val']); //日期格式化
            $newday['week'] = date('w',$newday['val']);     //周几

            //追加价格
            foreach($car_price as $key => $val){
                if($key == $newday['date']){
                    $newday['price'] = $val;
                }
            }

            //追加假期
            foreach($toyear_holiday as $key => $val){
                foreach($val['date_json'] as $k => $v){
                    if($v == $newday['date']){
                        $newday['hasTips'] = 'true';
                        $newday['tips'] = $val['title'];
                        $newday['jq_id'] = $val['id'];
                    }
                }
            }

            //关于今天,放在最后优先级高于假期
            if($i == $today){
                $newday['hasTips'] = 'true';
                $newday['tips'] = '今天';
                $newday['istoday'] = 1;
            }
            if($i > $today){
                $newday['istoday'] = 2;
            }

            //当本月的第一天不是周天，前追N条数据
            if($i == 1 && $newday['week'] != 0){
                for($n = 1;$n <= $newday['week'];$n++){
                    $this_month[] = ['name'=>''];
                }
            }

            $this_month[] = $newday;
        }

        //追加本月
        $all_month[] = [
            'monthTxt' => $toyear.'-'.$tomonth,
            'list' => $this_month,
        ];
        //dump($all_month);exit;

        //剩余几个月
        for($m = 1;$m <= $month_num; $m++){
            $new_month = [];

            $m_yeah = $tomonth+$m > 12 ? $toyear+1 : $toyear;           //年份,大于12进入下一年
            $m_month = $tomonth+$m > 12 ? $tomonth+$m-12 : $tomonth+$m; //月份,大于12进入下一年
            //dump($m_yeah);
            //dump($m_month);

            $m_month_days = $m_yeah == $toyear ? $toyear_month_days[$m_month] : $nextyear_month_days[$m_month];//本月天数
            //dump($m_month_days);
            //循环这个月
            for($d = 1;$d <= $m_month_days;$d++){
                //新的一天
                $date = $m_yeah.'-'.$m_month.'-'.$d;
                $newday = [];
                $newday = ['name'=>$d,'date'=>$date,'val'=>strtotime($date),'hasTips'=>'false','tips'=>'','istoday'=>2,'price'=>$default_price,'jq_id'=>0];
                $newday['date'] = date('Y-m-d',$newday['val']);//日期格式化
                $newday['week'] = date('w',$newday['val']);//周几

                //追加价格
                foreach($car_price as $key => $val){
                    if($key == $newday['date']){
                        $newday['price'] = $val;
                    }
                }

                //追加假期
                $holiday = $m_yeah == $toyear ? $toyear_holiday : $nextyear_holiday;
                foreach($holiday as $key => $val){
                    foreach($val['date_json'] as $k => $v){
                        if($v == $newday['date']){
                            $newday['hasTips'] = 'true';
                            $newday['tips'] = $val['title'];
                            $newday['jq_id'] = $val['id'];
                        }
                    }
                }

                //当本月的第一天不是周天，前追N条数据
                if($d == 1 && $newday['week'] != 0){
                    for($n = 1;$n <= $newday['week'];$n++){
                        $new_month[] = ['name'=>''];
                    }
                }
                $new_month[] = $newday;
            }
            //追加未来几个月
            $all_month[] = [
                'monthTxt' => $m_yeah.'-'.$m_month,
                'list' => $new_month,
            ];
        }

        //价格日历结果
        //dump($all_month);

        //假期结果
        $holiday = array_merge($toyear_holiday,$nextyear_holiday);
        //dump($holiday);exit;

        return [
            'rili'=>$all_month,
            'holiday' => $holiday,
        ];

    }



}