application/common/model/Link.php

<?php
namespace app\common\model;
use think\Db;
use think\Cache;

class Link extends Base {
    // 设置数据表（不含前缀）
    protected $name = 'link';

    // 定义时间戳字段名
    protected $createTime = '';
    protected $updateTime = '';

    // 自动完成
    protected $auto       = [];
    protected $insert     = [];
    protected $update     = [];

    public function listData($where,$order,$page=1,$limit=20,$start=0)
    {
        $page = $page > 0 ? (int)$page : 1;
        $limit = $limit ? (int)$limit : 20;
        $start = $start ? (int)$start : 0;
        if(!is_array($where)){
            $where = json_decode($where,true);
        }
        $limit_str = ($limit * ($page-1) + $start) .",".$limit;
        $total = $this->where($where)->count();
        $list = Db::name('Link')->where($where)->order($order)->limit($limit_str)->select();

        return ['code'=>1,'msg'=>lang('data_list'),'page'=>$page,'pagecount'=>ceil($total/$limit),'limit'=>$limit,'total'=>$total,'list'=>$list];
    }

    public function listCacheData($lp)
    {
        if (!is_array($lp)) {
            $lp = json_decode($lp, true);
        }

        $order = $lp['order'];
        $by = $lp['by'];
        $type = $lp['type'];
        $start = intval(abs($lp['start']));
        $num = intval(abs($lp['num']));
        $cachetime = $lp['cachetime'];
        $not = $lp['not'];
        $page = 1;
        $where = [];

        if(empty($num)){
            $num = 20;
        }
        if($start>1){
            $start--;
        }
        if (!in_array($order, ['asc', 'desc'])) {
            $order = 'asc';
        }
        if (!in_array($by, ['id', 'sort'])) {
            $by = 'id';
        }
        if (in_array($type, ['font', 'pic'])) {
            $type = ($type === 'font') ? 0 : 1;
            $where['link_type'] = $type;
        }
        if(!empty($not)){
            $where['link_id'] = ['not in',explode(',',$not)];
        }

        $by = 'link_'.$by;
        $order = $by . ' ' . $order;

        $cach_name = $GLOBALS['config']['app']['cache_flag']. '_' . md5('link_listcache_'.join('&',$where).'_'.$order.'_'.$page.'_'.$num.'_'.$start);
        $res = Cache::get($cach_name);
        if(empty($cachetime)){
            $cachetime = $GLOBALS['config']['app']['cache_time'];
        }
        if($GLOBALS['config']['app']['cache_core']==0 || empty($res)) {
            $res = $this->listData($where, $order, $page, $num, $start);
            if($GLOBALS['config']['app']['cache_core']==1) {
                Cache::set($cach_name, $res, $cachetime);
            }
        }
        return $res;
    }

    public function infoData($where,$field='*')
    {
        if(empty($where) || !is_array($where)){
            return ['code'=>1001,'msg'=>lang('param_err')];
        }
        $info = $this->field($field)->where($where)->find();

        if(empty($info)){
            return ['code'=>1002,'msg'=>lang('obtain_err')];
        }
        $info = $info->toArray();

        return ['code'=>1,'msg'=>lang('obtain_ok'),'info'=>$info];
    }

    public function saveData($data)
    {
        $validate = \think\Loader::validate('Link');
        if(!$validate->check($data)){
            return ['code'=>1001,'msg'=>lang('param_err').'：'.$validate->getError() ];
        }

        $data['link_time'] = time();
        if(!empty($data['link_id'])){
            $where=[];
            $where['link_id'] = ['eq',$data['link_id']];
            $res = $this->allowField(true)->where($where)->update($data);
        }
        else{
            $data['link_add_time'] = time();
            $res = $this->allowField(true)->insert($data);
        }
        if(false === $res){
            return ['code'=>1002,'msg'=>lang('save_err').'：'.$this->getError() ];
        }
        return ['code'=>1,'msg'=>lang('save_ok')];
    }

    public function delData($where)
    {
        $res = $this->where($where)->delete();
        if($res===false){
            return ['code'=>1001,'msg'=>lang('del_err').'：'.$this->getError() ];
        }
        return ['code'=>1,'msg'=>lang('del_ok')];
    }

    public function fieldData($where,$col,$val)
    {
        if(!isset($col) || !isset($val)){
            return ['code'=>1001,'msg'=>lang('param_err')];
        }

        $data = [];
        $data[$col] = $val;
        $res = $this->allowField(true)->where($where)->update($data);
        if($res===false){
            return ['code'=>1001,'msg'=>lang('set_err').'：'.$this->getError() ];
        }
        return ['code'=>1,'msg'=>lang('set_ok')];
    }

}