125 lines
3.7 KiB
PHP
125 lines
3.7 KiB
PHP
<?php
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namespace app\common\model;
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use app\api\model\CommonInfo;
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use app\common\library\DatabaseRoute;
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use app\czg\model\SysCaptcha;
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use think\cache\driver\Redis;
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use think\facade\Db;
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use think\Model;
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use support\think\Cache;
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class Common extends Model
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{
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// 统一处理分表表新增编辑查询(主表中没有的表)
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public static function saveDbData($table, $sale, $data, $operate = 'insertGetId', $where = [])
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{
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if(in_array($operate, ['insertGetId', 'insert']) || $operate == 'update') {
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$connect_name = DatabaseRoute::getConnection($table, $sale, true);
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}else {
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$connect_name = DatabaseRoute::getConnection($table, $sale);
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}
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$db = Db::connect($connect_name);
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if($operate == 'insert' || $operate == 'insertGetId') {
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return $db->name($table)->insertGetId($data);
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}elseif($operate == 'update') {
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return $db->name($table)->where($where)->update($data);
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}elseif ($operate == 'select') {
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return $db->name($table)->where($where)->select();
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}elseif ($operate == 'find') {
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return $db->name($table)->where($where)->find();
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}
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}
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public static function db_count($table, $sale, $where)
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{
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$connect_name = DatabaseRoute::getConnection($table, $sale);
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$db = Db::connect($connect_name);
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return $db->name($table)->where($where)->count();
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}
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public static function getAppUseKv()
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{
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$info = Db::connect(config('think-orm.search_library'))->name('common_info')->where(['is_app_use' => 1])->field('id, value')->select();
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$data = [];
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foreach ($info as $k => $v) {
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$data[$v['id']] = $v['value'];
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}
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return returnSuccessData($data);
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}
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/**
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* 检查是否允许访问(基于Redis的频率限制)
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* @param string $id 唯一标识(如用户ID、IP等)
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* @param string $key 操作类型(如"updateWeekCourseView")
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* @param int $count 允许的访问次数
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* @param int $seconds 时间窗口(秒)
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* @return bool 是否允许访问
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*/
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public static function isAccessAllowed($id, $key, $count, $seconds, $sys_data = false)
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{
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if($sys_data) {
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$redisKey = 'sys:data:' . $key . ':' . $id;
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}else {
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$redisKey = generateRedisKey($key, $id);
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}
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// 获取当前访问次数
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$currentCount = Cache::get($redisKey);
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if ($currentCount === null) {
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// 首次访问:初始化计数器并设置过期时间
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Cache::set($redisKey, $seconds, 1);
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return true;
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}
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if ((int)$currentCount < $count) {
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// 未超过限制:增加计数
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Cache::set($redisKey,$currentCount + 1);
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return true;
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}
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// 已超过限制
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return false;
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}
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/**
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* @param int $courseId 课程ID
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* @return int 周播放量
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*/
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public static function getCourseWeekViewCount($courseId)
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{
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$key = "course:viewCount:{$courseId}";
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// 从Redis获取周播放量
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$viewCount = Cache::get($key);
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if (empty($viewCount)) {
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// 计算下周一的时间戳
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$now = time();
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$dayOfWeek = date('N', $now); // 1-7,1表示周一
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$daysToMonday = $dayOfWeek === 1 ? 7 : (1 - $dayOfWeek + 7) % 7;
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$nextMonday = $now + $daysToMonday * 86400;
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// 计算剩余秒数并设置缓存
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$seconds = $nextMonday - $now;
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Cache::set($key, 1, $seconds);
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return 1;
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}
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// 播放量递增并返回
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$newCount = Cache::set($key, $viewCount + 1, -1);
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return $newCount;
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}
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} |