| | |
| | | package com.nq.service.impl; |
| | | |
| | | import cn.hutool.core.date.DateTime; |
| | | import cn.hutool.core.date.DateUtil; |
| | | import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; |
| | | import com.fasterxml.jackson.core.JsonProcessingException; |
| | | import com.google.gson.Gson; |
| | | import com.google.gson.reflect.TypeToken; |
| | | import com.nq.dao.StockDzMapper; |
| | | import com.nq.dao.StockMapper; |
| | | import com.nq.dao.StockSettingMapper; |
| | |
| | | import com.nq.pojo.*; |
| | | import com.nq.service.IPriceServices; |
| | | import com.nq.service.IStockConfigServices; |
| | | import com.nq.utils.PropertiesUtil; |
| | | import com.nq.utils.http.HttpClientRequest; |
| | | import com.nq.utils.redis.RedisKeyUtil; |
| | | import com.nq.utils.timeutil.TimeUtil; |
| | | import org.springframework.beans.factory.annotation.Autowired; |
| | | import org.springframework.stereotype.Service; |
| | | |
| | | import javax.annotation.Resource; |
| | | import java.io.*; |
| | | import java.lang.reflect.Type; |
| | | import java.math.BigDecimal; |
| | | import java.io.BufferedReader; |
| | | import java.io.InputStreamReader; |
| | | import java.net.HttpURLConnection; |
| | | import java.net.URL; |
| | | import java.util.Date; |
| | | import java.util.HashMap; |
| | | import java.util.Map; |
| | | import java.util.concurrent.ConcurrentHashMap; |
| | | |
| | | import com.fasterxml.jackson.databind.ObjectMapper; |
| | | |
| | | @Service |
| | | public class PriceServicesImpl implements IPriceServices { |
| | |
| | | @Override |
| | | public BigDecimal getNowPrice(String stockCode) { |
| | | Stock stock = stockMapper.selectOne(new QueryWrapper<Stock>().eq("stock_code",stockCode)); |
| | | if(null == stock){ |
| | | return BigDecimal.ZERO; |
| | | } |
| | | StockSetting stockSetting = stockSettingMapper.selectOne(new QueryWrapper<StockSetting>().eq("stock_code",stockCode)); |
| | | if(stockSetting != null){ |
| | | if(TimeUtil.isTradingHour(stockSetting.getStartTime(),stockSetting.getEndTime())){ |
| | | Date newDate = new Date(); |
| | | DateTime startTime = DateUtil.parseDateTime(stockSetting.getStartTime()); |
| | | DateTime endTime = DateUtil.parseDateTime(stockSetting.getEndTime()); |
| | | if(newDate.after(startTime) && newDate.before(endTime)){ |
| | | // if(TimeUtil.isTradingHour(stockSetting.getStartTime(),stockSetting.getEndTime())){ |
| | | if(stockSetting.getType().equals("0")){ |
| | | return new BigDecimal(stockSetting.getPrice()); |
| | | }else{ |
| | | StockRealTimeBean stockRealTimeBean = RedisKeyUtil.getCacheRealTimeStock(stock); |
| | | return new BigDecimal(stockRealTimeBean.getLast()).multiply(new BigDecimal(stockSetting.getPrice())); |
| | | String s = doPost(stock.getStockCode()); |
| | | if(null != s){ |
| | | Map<String, Object> stringObjectMap = jsonToMap(s); |
| | | return new BigDecimal(stringObjectMap.get("Last").toString()).multiply(new BigDecimal(stockSetting.getPrice())); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | StockRealTimeBean stockRealTimeBean = RedisKeyUtil.getCacheRealTimeStock(stock); |
| | | return new BigDecimal(stockRealTimeBean.getLast()); |
| | | String s = doPost(stock.getStockCode()); |
| | | if(null != s) { |
| | | Map<String, Object> stringObjectMap = jsonToMap(s); |
| | | return new BigDecimal(stringObjectMap.get("Last").toString()); |
| | | } |
| | | return BigDecimal.ZERO; |
| | | } |
| | | |
| | | @Override |
| | | public BigDecimal getNowPrice(String stockCode, String stockType) { |
| | | BigDecimal nowPrice = getNowPrice(stockCode); |
| | | if (!stockType.equals("DZ")){ |
| | | return nowPrice; |
| | | } |
| | | QueryWrapper queryWrapper = new QueryWrapper<>(); |
| | | queryWrapper.eq("stock_code",stockCode); |
| | | StockDz stockDz = stockDZMapper.selectOne(queryWrapper); |
| | | if(stockDz == null){ |
| | | return nowPrice;} |
| | | return nowPrice.multiply(stockDz.getDiscount()); |
| | | public Map<String, Object> getNewStock(String stockCode) { |
| | | Stock stock = stockMapper.selectOne(new QueryWrapper<Stock>().eq("stock_code",stockCode)); |
| | | String s = doPost(stock.getStockCode()); |
| | | if(null != s){ |
| | | Map<String, Object> stringObjectMap = jsonToMap(s); |
| | | return stringObjectMap; |
| | | } |
| | | return null; |
| | | } |
| | | |
| | | |
| | | |
| | | public static Map<String, Object> jsonToMap(String json) { |
| | | ObjectMapper objectMapper = new ObjectMapper(); |
| | | try { |
| | | Object[] array = objectMapper.readValue(json, Object[].class); |
| | | Gson gson = new Gson(); |
| | | String s = gson.toJson(array[0]); |
| | | Map<String, Object> map = objectMapper.readValue(s, Map.class); |
| | | return map; |
| | | } catch (JsonProcessingException e) { |
| | | throw new RuntimeException(e); |
| | | } |
| | | } |
| | | |
| | | // 缓存条目类 |
| | | private static class CacheEntry { |
| | | String result; |
| | | long lastExecuteTime; |
| | | |
| | | CacheEntry(String result, long lastExecuteTime) { |
| | | this.result = result; |
| | | this.lastExecuteTime = lastExecuteTime; |
| | | } |
| | | } |
| | | |
| | | // 按pid存储缓存条目 |
| | | private static final Map<String, CacheEntry> cacheMap = new ConcurrentHashMap<>(); |
| | | |
| | | // 按pid存储锁对象,实现细粒度锁 |
| | | private static final Map<String, Object> lockMap = new ConcurrentHashMap<>(); |
| | | |
| | | private static final long MIN_INTERVAL_MS = 3000; |
| | | |
| | | public static String doPost(String pid) { |
| | | long currentTime = System.currentTimeMillis(); |
| | | |
| | | // 1. 快速检查缓存(无锁) |
| | | CacheEntry cached = cacheMap.get(pid); |
| | | if (cached != null && (currentTime - cached.lastExecuteTime) < MIN_INTERVAL_MS) { |
| | | return cached.result; |
| | | } |
| | | |
| | | // 2. 获取该pid对应的锁对象 |
| | | Object pidLock = lockMap.computeIfAbsent(pid, k -> new Object()); |
| | | |
| | | // 3. 同步块内再次检查 |
| | | synchronized (pidLock) { |
| | | currentTime = System.currentTimeMillis(); |
| | | cached = cacheMap.get(pid); |
| | | |
| | | if (cached != null && (currentTime - cached.lastExecuteTime) < MIN_INTERVAL_MS) { |
| | | return cached.result; |
| | | } |
| | | |
| | | // 4. 执行POST请求 |
| | | String newResult = doActualPost(pid); |
| | | |
| | | // 5. 更新该pid的缓存 |
| | | if (newResult != null) { |
| | | cacheMap.put(pid, new CacheEntry(newResult, System.currentTimeMillis())); |
| | | return newResult; |
| | | } else if (cached != null) { |
| | | // 请求失败,返回旧缓存 |
| | | return cached.result; |
| | | } |
| | | |
| | | return "{\"error\":\"请求失败且无缓存数据\"}"; |
| | | } |
| | | } |
| | | |
| | | private static String doActualPost(String pid) { |
| | | String apiUrl = PropertiesUtil.getProperty("JS_IN_HTTP_URL") + |
| | | "stock?key=" + PropertiesUtil.getProperty("JS_IN_KEY"); |
| | | |
| | | try { |
| | | URL url = new URL(apiUrl); |
| | | HttpURLConnection connection = (HttpURLConnection) url.openConnection(); |
| | | |
| | | connection.setRequestMethod("POST"); |
| | | connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); |
| | | connection.setDoOutput(true); |
| | | connection.setConnectTimeout(5000); |
| | | connection.setReadTimeout(10000); |
| | | |
| | | String postData = "pid=" + pid; |
| | | |
| | | try (OutputStream os = connection.getOutputStream()) { |
| | | byte[] input = postData.getBytes("utf-8"); |
| | | os.write(input, 0, input.length); |
| | | } |
| | | |
| | | // 读取响应 |
| | | try (BufferedReader in = new BufferedReader( |
| | | new InputStreamReader(connection.getInputStream()))) { |
| | | |
| | | StringBuilder response = new StringBuilder(); |
| | | String inputLine; |
| | | while ((inputLine = in.readLine()) != null) { |
| | | response.append(inputLine); |
| | | } |
| | | |
| | | return response.toString(); |
| | | } |
| | | |
| | | } catch (Exception e) { |
| | | e.printStackTrace(); |
| | | // 不再直接返回旧缓存,由上层处理 |
| | | return null; |
| | | } |
| | | } |
| | | |
| | | @Override |
| | |
| | | if(stockConfig == null){ |
| | | return true; |
| | | } |
| | | |
| | | if(new BigDecimal(stockConfig.getCValue()).compareTo(pcp)<=0){ |
| | | if(pcp.compareTo(new BigDecimal(stockConfig.getCValue()))<=0){ |
| | | StockConfig limitConfig = iStockConfigServices.queryByKey(EConfigKey.LIMIT_DOWN_IS_SELL.getCode()); |
| | | if(limitConfig.getCValue().equals("1")){ |
| | | return true; |
| | | if(!limitConfig.getCValue().equals("1")){ |
| | | return false; |
| | | } |
| | | } |
| | | return false; |
| | | return true; |
| | | } |
| | | } |
| | | } |