添加示例项目
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290
示例项目/NPC商店限购/NPC商店限购.nut
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290
示例项目/NPC商店限购/NPC商店限购.nut
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g_ShopLimitCache <- {};
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class _Shop_Limit_Bynangua {
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function get_trade_time() {
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local currentDate = date()
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local year = currentDate.year
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local month = currentDate.month + 1
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local day = currentDate.day
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local hour = currentDate.hour
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local minute = currentDate.min
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local second = currentDate.sec
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return format("%04d-%02d-%02d %02d:%02d:%02d", year, month, day, hour, minute, second)
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}
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// 计算下个月的1号早上6点
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function GetFirstOfNextMonth() {
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local currentDate = date()
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local year = currentDate.year
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local month = currentDate.month + 2 // +2是因为month是从0开始的，且要算下个月
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local day = 1
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local hour = 6
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local minute = 0
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local second = 0
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return format("%04d-%02d-%02d %02d:%02d:%02d", year, month, day, hour, minute, second)
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}
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// 计算下周一早上6点
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function GetNextMonday() {
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local currentDate = date()
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local day = currentDate.wday // 0是周日，1-6是周一到周六
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local diff = (day == 0) ? 1 : (8 - day)
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currentDate.day += diff
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local year = currentDate.year
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local month = currentDate.month + 1
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local day = currentDate.day
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local hour = 6
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local minute = 0
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local second = 0
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return format("%04d-%02d-%02d %02d:%02d:%02d", year, month, day, hour, minute, second)
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}
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// 计算第二天早上6点
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function GetSixAMNextDay() {
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local currentDate = date()
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local year = currentDate.year
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local month = currentDate.month + 1
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local day = currentDate.day + 1
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local hour = 6
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local minute = 0
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local second = 0
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return format("%04d-%02d-%02d %02d:%02d:%02d", year, month, day, hour, minute, second)
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}
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// 获取刷新时间
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function GetRefreshTime(refresh_month, refresh_weeks, refresh_days) {
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if (refresh_month == 1) {
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return GetFirstOfNextMonth()
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} else if (refresh_weeks == 1) {
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return GetNextMonday()
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} else if (refresh_days == 1) {
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return GetSixAMNextDay()
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}
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return null
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}
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function HandlePurchase(SUser, item_id, item_shop_id, item_info, item_cnt) {
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local charac_no = SUser.GetCID();
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local cache_key = charac_no + "_" + item_id + "_" + item_shop_id;
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if (g_ShopLimitCache.rawin(cache_key)) {
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local cache_data = g_ShopLimitCache[cache_key];
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local buy_count = cache_data.buy_count;
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local refresh_time = cache_data.refresh_time;
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local current_time = get_trade_time();
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if (current_time >= refresh_time) {
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if (item_cnt > item_info[1]) {
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SUser.SendNotiPacketMessage("购买失败，可购买数量剩余 " + item_info[1] + " 个", 8);
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return true;
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}
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local new_refresh_time = GetRefreshTime(item_info[2], item_info[3], item_info[4]);
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g_ShopLimitCache[cache_key] <- {
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buy_count = item_cnt,
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refresh_time = new_refresh_time
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};
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updateDatabaseAsync(charac_no, item_id, item_shop_id, item_cnt, new_refresh_time);
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} else {
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local remaining = item_info[1] - buy_count;
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if (item_cnt > remaining) {
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if (remaining == 0) {
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local refresh_msg = "";
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if (item_info[2] == 1) { // 月刷新
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refresh_msg = "每月一日上午六点";
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} else if (item_info[3] == 1) { // 周刷新
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refresh_msg = "每周一日上午六点";
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} else if (item_info[4] == 1) { // 日刷新
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refresh_msg = "每日一日上午六点";
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}
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SUser.SendNotiPacketMessage("当前商品已售罄，将在" + refresh_msg + "刷新", 8);
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} else {
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SUser.SendNotiPacketMessage("购买失败，可购买数量剩余 " + remaining + " 个", 8);
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}
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return true;
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}
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g_ShopLimitCache[cache_key] <- {
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buy_count = buy_count + item_cnt,
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refresh_time = refresh_time
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};
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updateDatabaseAsync(charac_no, item_id, item_shop_id, buy_count + item_cnt, refresh_time);
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}
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return false;
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}
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local SqlObj = MysqlPool.GetInstance().GetConnect();
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local query = "SELECT id, charac_no, item_id, buy_count, item_shop, refresh_time FROM DP_S.restrict_npc_shop_buy WHERE charac_no=" + charac_no + " AND item_id=" + item_id + " AND item_shop=" + item_shop_id;
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local column_type_list = ["int", "int", "int", "int", "int", "string"];
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local result = SqlObj.Select(query, column_type_list);
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MysqlPool.GetInstance().PutConnect(SqlObj);
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if (result.len() == 0) {
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if (item_cnt > item_info[1]) {
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SUser.SendNotiPacketMessage("购买失败，可购买数量剩余 " + item_info[1] + " 个", 8);
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return true;
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}
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local refresh_time = GetRefreshTime(item_info[2], item_info[3], item_info[4]);
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g_ShopLimitCache[cache_key] <- {
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buy_count = item_cnt,
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refresh_time = refresh_time
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};
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updateDatabaseAsync(charac_no, item_id, item_shop_id, item_cnt, refresh_time);
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} else {
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local buy_count = result[0][3];
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local refresh_time = result[0][5];
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local current_time = get_trade_time();
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g_ShopLimitCache[cache_key] <- {
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buy_count = buy_count,
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refresh_time = refresh_time
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};
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if (current_time >= refresh_time) {
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if (item_cnt > item_info[1]) {
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SUser.SendNotiPacketMessage("购买失败，可购买数量剩余 " + item_info[1] + " 个", 8);
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return true;
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}
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local new_refresh_time = GetRefreshTime(item_info[2], item_info[3], item_info[4]);
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g_ShopLimitCache[cache_key] <- {
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buy_count = item_cnt,
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refresh_time = new_refresh_time
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};
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updateDatabaseAsync(charac_no, item_id, item_shop_id, item_cnt, new_refresh_time);
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} else {
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local remaining = item_info[1] - buy_count;
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if (item_cnt > remaining) {
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if (remaining == 0) {
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local refresh_msg = "";
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if (item_info[2] == 1) { // 月刷新
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refresh_msg = "每月一日上午六点";
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} else if (item_info[3] == 1) { // 周刷新
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refresh_msg = "每周一日上午六点";
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} else if (item_info[4] == 1) { // 日刷新
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refresh_msg = "每日一日上午六点";
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}
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SUser.SendNotiPacketMessage("当前商品已售罄，将在" + refresh_msg + "刷新", 8);
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} else {
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SUser.SendNotiPacketMessage("购买失败，可购买数量剩余 " + remaining + " 个", 8);
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}
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return true;
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}
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g_ShopLimitCache[cache_key] <- {
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buy_count = buy_count + item_cnt,
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refresh_time = refresh_time
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};
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updateDatabaseAsync(charac_no, item_id, item_shop_id, buy_count + item_cnt, refresh_time);
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}
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}
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return false;
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}
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}
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// 更新缓存到数据库
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function updateDatabaseAsync(charac_no, item_id, item_shop_id, buy_count, refresh_time) {
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local SqlObj = MysqlPool.GetInstance().GetConnect();
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// 使用 ON DUPLICATE KEY UPDATE 来更新已存在的记录
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local query = "INSERT INTO DP_S.restrict_npc_shop_buy (charac_no, item_id, buy_count, item_shop, refresh_time) " +
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"VALUES (" + charac_no + ", " + item_id + ", " + buy_count + ", " + item_shop_id + ", '" + refresh_time + "') " +
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"ON DUPLICATE KEY UPDATE buy_count = VALUES(buy_count), refresh_time = VALUES(refresh_time)";
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SqlObj.Select(query, []);
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MysqlPool.GetInstance().PutConnect(SqlObj);
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}
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// 服务器启动时加载缓存
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function loadShopLimitCache() {
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local SqlObj = MysqlPool.GetInstance().GetConnect();
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local query = "SELECT charac_no, item_id, item_shop, buy_count, refresh_time FROM DP_S.restrict_npc_shop_buy";
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local column_type_list = ["int", "int", "int", "int", "string"];
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local result = SqlObj.Select(query, column_type_list);
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MysqlPool.GetInstance().PutConnect(SqlObj);
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foreach(row in result) {
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local cache_key = row[0] + "_" + row[1] + "_" + row[2];
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g_ShopLimitCache[cache_key] <- {
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buy_count = row[3],
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refresh_time = row[4]
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};
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}
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}
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// 服务器关闭时保存缓存
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Cb_Server_Close_Enter_Func.ShopLimitSave <- function(arg) {
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foreach(cache_key, data in g_ShopLimitCache) {
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local parts = split(cache_key, "_");
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local charac_no = parts[0].tointeger();
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local item_id = parts[1].tointeger();
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local item_shop = parts[2].tointeger();
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updateDatabaseAsync(charac_no, item_id, item_shop, data.buy_count, data.refresh_time);
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}
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g_ShopLimitCache <- {};
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}
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function _Dps_Shop_Limit_Main_() {
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CreateShopLimitTable();
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loadShopLimitCache();
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Cb_BuyItem_check_error_Leave_Func.Shop_Limit_ByNangua <- function(args) {
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local Config = GlobalConfig.Get("NPC商店限购配置_Nangua.json");
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local shop_limit_config = Config["商店限购配置"];
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local is_buy = false;
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local SUser = User(args[1]);
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local msg_base = args[2];
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local Item_id = NativePointer(msg_base).add(13).readU32();
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local item_shop = NativePointer(msg_base).add(21).readU32();
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local item_cnt = NativePointer(msg_base).add(17).readU32();
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local item_shop_id = item_shop.tostring();
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if (item_shop_id in shop_limit_config) {
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local items_list = shop_limit_config[item_shop_id];
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foreach(item_info in items_list) {
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if (item_info[0] == Item_id) {
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is_buy = _Shop_Limit_Bynangua.HandlePurchase(SUser, Item_id, item_shop, item_info, item_cnt);
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break;
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}
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}
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}
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if (is_buy) {
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return 19;
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}
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}
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}
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function CreateShopLimitTable() {
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local Config = GlobalConfig.Get("NPC商店限购配置_Nangua.json");
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local PoolObj = MysqlPool.GetInstance();
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local Ip = Config["数据库IP 不是外置数据库不要更改"];
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local Port = Config["数据库端口 不懂不要更改"];
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local DbName = Config["数据库用户名 本地用户名不懂不要更改"];
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local Password = Config["数据库密码 本地密码不懂不要更改"];
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PoolObj.SetBaseConfiguration(Ip, Port, DbName, Password);
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PoolObj.PoolSize = 10;
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PoolObj.Init();
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// 建库建表SQL
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local CreateSql1 = "create database if not exists DP_S default charset utf8;";
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local CreateSql2 = "CREATE TABLE IF NOT EXISTS DP_S.restrict_npc_shop_buy (" +
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"id int(11) AUTO_INCREMENT, " +
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"charac_no int(11) NOT NULL, " +
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"item_id int(11) NOT NULL, " +
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"buy_count int(11) NOT NULL, " +
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"item_shop int(11) NOT NULL, " +
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"refresh_time varchar(255) NOT NULL, " +
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"PRIMARY KEY (id), " +
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"UNIQUE KEY unique_purchase (charac_no, item_id, item_shop)" +
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") ENGINE=InnoDB DEFAULT CHARSET=utf8;";
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// 执行SQL
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local SqlObj = MysqlPool.GetInstance().GetConnect();
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SqlObj.Exec_Sql(CreateSql1);
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SqlObj.Exec_Sql(CreateSql2);
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MysqlPool.GetInstance().PutConnect(SqlObj);
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}
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