garden_server/application/user/model/UserPraise.php

<?php
namespace app\user\model;

use think\Model;
use think\Db;

class UserPraise extends Model{
	
	protected $createTime = "inputtime";
	protected $updateTime = '';
	protected $autoWriteTimestamp = 'datetime';		// 开启自动写入时间戳字段
	
	public function initialize(){
		parent::initialize();
	}
	
	/**
	 * 添加数据
	 * @param array $data
	 * @return number|string
	 */
	public function add($data){
		Db::name("user")->where(['id'=>$data['target_id']])->setInc('praise');
		return $this->save($data);
	}
	
	/**
	 * 查找制定目标数据
	 * @param int $target
	 * @return array|string|\think\Model
	 */
	public function getTargetInfo($user, $target){
		return $this->db()->where(['user_id'=>$user, 'target_id'=>$target])->find();
	}
	
}