1
dd
2025-12-26 73e608df889ebeca1c87cb8d77676923b8872a83
src/main/java/com/nq/service/impl/PriceServicesImpl.java
@@ -109,58 +109,77 @@
        }
    }
    public String doGet(String pid){
        String apiUrl = PropertiesUtil.getProperty("JS_IN_HTTP_URL") + "stock?key=" + PropertiesUtil.getProperty("JS_IN_KEY");
        String result = null;
    private static String lastResult = null;
    private static long lastExecuteTime = 0;
    private static final long MIN_INTERVAL_MS = 3000;
    private static final Object cacheLock = new Object();
        try {
            // 添加请求间隔,避免频率过高
            Thread.sleep(1000); // 等待1秒再请求
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
    public static String doGet(String pid) {
        long currentTime = System.currentTimeMillis();
        // 第一次快速检查(不加锁)
        if (lastResult != null && (currentTime - lastExecuteTime) < MIN_INTERVAL_MS) {
            return lastResult;
        }
        // 同步块内再次检查并执行
        synchronized (cacheLock) {
            currentTime = System.currentTimeMillis();
            if (lastResult != null && (currentTime - lastExecuteTime) < MIN_INTERVAL_MS) {
                return lastResult;
            }
            // 执行POST请求
            String newResult = doActualPost(pid);
            // 更新缓存
            lastResult = newResult;
            lastExecuteTime = System.currentTimeMillis();
            return newResult;
        }
    }
    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();
            // 设置超时时间
            connection.setConnectTimeout(10000);
            connection.setReadTimeout(10000);
            connection.setRequestMethod("POST");
            connection.setRequestProperty("Content-Type", "application/json; charset=utf-8");
            connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
            connection.setDoOutput(true);
            connection.setConnectTimeout(5000);
            connection.setReadTimeout(10000);
            // JSON格式请求体
            String jsonInputString = "{\"pid\":\"" + pid + "\"}";
            String postData = "pid=" + pid;
            try (OutputStream os = connection.getOutputStream()) {
                byte[] input = jsonInputString.getBytes("utf-8");
                byte[] input = postData.getBytes("utf-8");
                os.write(input, 0, input.length);
            }
            // 检查HTTP响应码
            int responseCode = connection.getResponseCode();
            if (responseCode == 429) {
                // 如果还是429,等待更长时间后重试
                Thread.sleep(3000);
                return doGet(pid); // 递归重试(注意设置最大重试次数)
            }
            // 读取响应
            try (BufferedReader in = new BufferedReader(
                    new InputStreamReader(connection.getInputStream()))) {
                String inputLine;
                StringBuilder response = new StringBuilder();
                while ((inputLine = in.readLine()) != null) {
                    response.append(inputLine);
                }
                result = response.toString();
            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();
            // 返回缓存或错误信息
            if (lastResult != null) {
                return lastResult;
            }
            return "{\"error\":\"请求失败:" + e.getMessage() + "\"}";
        }
        return result;
    }
    @Override