1

dd

2025-12-26 9652bbc4a506f46986e298735b27f281ebf06124

 src/main/java/com/nq/service/impl/PriceServicesImpl.java

@@ -1,5 +1,8 @@
package com.nq.service.impl;

import cn.hutool.core.date.DateTime;
import cn.hutool.core.date.DateUtil;
import cn.hutool.http.HttpUtil;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.google.gson.Gson;
@@ -8,9 +11,11 @@
import com.nq.dao.StockMapper;
import com.nq.dao.StockSettingMapper;
import com.nq.enums.EConfigKey;
import com.nq.enums.EStockType;
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;
@@ -18,16 +23,18 @@
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.io.BufferedReader;
import java.io.InputStreamReader;
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
@@ -53,14 +60,18 @@
        Stock stock = stockMapper.selectOne(new QueryWrapper<Stock>().eq("stock_code",stockCode));
        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{
                    String s = doGet(stock.getStockCode());
                    if(null != s){
                        Map<String, Object> stringObjectMap = jsonToMap(s);
                        return   new BigDecimal(stringObjectMap.get("last").toString()).multiply(new BigDecimal(stockSetting.getPrice()));
                        return   new BigDecimal(stringObjectMap.get("Last").toString()).multiply(new BigDecimal(stockSetting.getPrice()));
                    }
                }
            }
@@ -69,7 +80,7 @@
        String s = doGet(stock.getStockCode());
        if(null != s) {
            Map<String, Object> stringObjectMap = jsonToMap(s);
            return  new BigDecimal(stringObjectMap.get("last").toString());
            return  new BigDecimal(stringObjectMap.get("Last").toString());
        }
        return BigDecimal.ZERO;
    }
@@ -100,40 +111,97 @@
        }
    }

    public String doGet(String pid){
        String  apiUrl  =  "http://api-in-2.js-stock.top/stock?pid="+pid+"&key=eVKtHt7aG4m6ozwWL9qG";
        try  {
            URL  url  =  new  URL(apiUrl);
            HttpURLConnection  connection  =  (HttpURLConnection)  url.openConnection();
            connection.setRequestMethod("GET");
    private static class CacheEntry {
        String result;
        long lastExecuteTime;
    }

            BufferedReader in  =  new  BufferedReader(new InputStreamReader(connection.getInputStream()));
            String  inputLine;
            StringBuffer  response  =  new  StringBuffer();
    private static final Map<String, CacheEntry> cacheMap = new ConcurrentHashMap<>();
    private static final long MIN_INTERVAL_MS = 3000;
    private static final Object globalLock = new Object();

            while  ((inputLine  =  in.readLine())  !=  null)  {
    public static String doGet(String pid) {
        long currentTime = System.currentTimeMillis();

        // 1. 先检查该pid是否有缓存
        CacheEntry entry = cacheMap.get(pid);
        if (entry != null && (currentTime - entry.lastExecuteTime) < MIN_INTERVAL_MS) {
            return entry.result;
        }

        // 2. 使用双重检查锁定更新缓存
        synchronized (getLockForPid(pid)) {
            currentTime = System.currentTimeMillis();
            entry = cacheMap.get(pid);

            if (entry != null && (currentTime - entry.lastExecuteTime) < MIN_INTERVAL_MS) {
                return entry.result;
            }

            // 3. 执行实际请求
            String newResult = doActualPost(pid);

            // 4. 更新该pid的缓存
            CacheEntry newEntry = new CacheEntry();
            newEntry.result = newResult;
            newEntry.lastExecuteTime = System.currentTimeMillis();
            cacheMap.put(pid, newEntry);

            return newResult;
        }
    }

    // 为每个pid提供独立的锁对象，避免不同pid间的阻塞
    private static final Map<String, Object> pidLocks = new ConcurrentHashMap<>();

    private static Object getLockForPid(String pid) {
        return pidLocks.computeIfAbsent(pid, k -> new Object());
    }


    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
            BufferedReader in = new BufferedReader(
                    new InputStreamReader(connection.getInputStream()));
            String inputLine;
            StringBuilder response = new StringBuilder();

            while ((inputLine = in.readLine()) != null) {
                response.append(inputLine);
            }
            in.close();
            return response.toString();
        }  catch  (Exception  e)  {
            e.printStackTrace();
        }
        return null;
    }

    @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());
            return response.toString();

        } catch (Exception e) {
            e.printStackTrace();
            // 如果请求失败，返回该pid的旧缓存（如果有）
            CacheEntry oldEntry = cacheMap.get(pid);
            if (oldEntry != null && oldEntry.result != null) {
                return oldEntry.result;
            }
            return "{\"error\":\"请求失败:" + e.getMessage() + "\"}";
        }
    }

    @Override