From 7d008bf58373926bbdcf67fa7bcf92510f427fb6 Mon Sep 17 00:00:00 2001
From: zj <1772600164@qq.com>
Date: Fri, 27 Mar 2026 16:57:11 +0800
Subject: [PATCH] 1
---
src/main/java/com/nq/service/impl/PriceServicesImpl.java | 127 ++++++++++++++++++++++++++++++++++--------
1 files changed, 102 insertions(+), 25 deletions(-)
diff --git a/src/main/java/com/nq/service/impl/PriceServicesImpl.java b/src/main/java/com/nq/service/impl/PriceServicesImpl.java
index 2d45332..b289c34 100644
--- a/src/main/java/com/nq/service/impl/PriceServicesImpl.java
+++ b/src/main/java/com/nq/service/impl/PriceServicesImpl.java
@@ -13,6 +13,7 @@
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;
@@ -20,8 +21,7 @@
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;
@@ -31,6 +31,8 @@
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
import com.fasterxml.jackson.databind.ObjectMapper;
@Service
@@ -67,19 +69,19 @@
if(stockSetting.getType().equals("0")){
return new BigDecimal(stockSetting.getPrice());
}else{
- String s = doGet(stock.getStockCode());
+ 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()));
+ return new BigDecimal(stringObjectMap.get("Last").toString()).multiply(new BigDecimal(stockSetting.getPrice()));
}
}
}
}
- String s = doGet(stock.getStockCode());
+ String s = doPost(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;
}
@@ -87,7 +89,7 @@
@Override
public Map<String, Object> getNewStock(String stockCode) {
Stock stock = stockMapper.selectOne(new QueryWrapper<Stock>().eq("stock_code",stockCode));
- String s = doGet(stock.getStockCode());
+ String s = doPost(stock.getStockCode());
if(null != s){
Map<String, Object> stringObjectMap = jsonToMap(s);
return stringObjectMap;
@@ -110,26 +112,101 @@
}
}
- 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");
+ // 缓存条目类
+ private static class CacheEntry {
+ String result;
+ long lastExecuteTime;
- BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
- String inputLine;
- StringBuffer response = new StringBuffer();
-
- while ((inputLine = in.readLine()) != null) {
- response.append(inputLine);
- }
- in.close();
- return response.toString();
- } catch (Exception e) {
- e.printStackTrace();
+ CacheEntry(String result, long lastExecuteTime) {
+ this.result = result;
+ this.lastExecuteTime = lastExecuteTime;
}
- return null;
+ }
+
+ // 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
--
Gitblit v1.9.3