| | |
| | | package com.nq.utils.redis; |
| | | |
| | | import com.alibaba.fastjson2.JSONObject; |
| | | import com.fasterxml.jackson.core.JsonProcessingException; |
| | | import com.fasterxml.jackson.databind.ObjectMapper; |
| | | import com.google.gson.Gson; |
| | | import com.nq.enums.EStockType; |
| | | import com.nq.pojo.DataStockBean; |
| | | import com.nq.pojo.Stock; |
| | | import com.nq.pojo.StockRealTimeBean; |
| | | import com.nq.utils.PropertiesUtil; |
| | | import com.nq.utils.stock.sina.StockApi; |
| | | import org.apache.http.util.TextUtils; |
| | | import org.slf4j.Logger; |
| | | import org.slf4j.LoggerFactory; |
| | | |
| | | import java.io.BufferedReader; |
| | | import java.io.IOException; |
| | | import java.io.InputStreamReader; |
| | | import java.io.OutputStream; |
| | | import java.math.BigDecimal; |
| | | import java.net.HttpURLConnection; |
| | | import java.net.URL; |
| | | import java.util.Collections; |
| | | import java.util.Map; |
| | | |
| | | |
| | | public class RedisKeyUtil { |
| | |
| | | /** |
| | | * 获取股票数据 |
| | | * */ |
| | | public static DataStockBean getCacheBaseStock(Stock stock){ |
| | | String cacheBaseData = RedisShardedPoolUtils.get(RedisKeyConstant.RK_BASE_STOCK+":"+stock.getStockType()+":"+stock.getStockCode()); |
| | | public static DataStockBean getCacheBaseStock(String stockType, String stockCode){ |
| | | String cacheBaseData = RedisShardedPoolUtils.get(RedisKeyConstant.RK_BASE_STOCK+":"+stockType+":"+stockCode); |
| | | return new Gson().fromJson(cacheBaseData, DataStockBean.class); |
| | | } |
| | | |
| | |
| | | stockRealTimeBean = new Gson().fromJson(cacheBaseData, StockRealTimeBean.class); |
| | | } |
| | | if(stockRealTimeBean == null){ |
| | | String s = doPost(stock.getStockCode(), stock.getStockType()); |
| | | Map<String, Object> stringObjectMap = jsonToMap(s); |
| | | stockRealTimeBean = new StockRealTimeBean(); |
| | | stockRealTimeBean.setPcp("0.00"); |
| | | stockRealTimeBean.setLast("0.00"); |
| | | stockRealTimeBean.setHigh("0.00"); |
| | | stockRealTimeBean.setLow("0.00"); |
| | | stockRealTimeBean.setBid("0.00"); |
| | | stockRealTimeBean.setPc("0.00"); |
| | | stockRealTimeBean.setAsk("0.00"); |
| | | stockRealTimeBean.setPcp(stringObjectMap.get("ChgPct").toString()); |
| | | stockRealTimeBean.setLast(stringObjectMap.get("Last").toString()); |
| | | stockRealTimeBean.setHigh(stringObjectMap.get("High").toString()); |
| | | stockRealTimeBean.setLow(stringObjectMap.get("Low").toString()); |
| | | stockRealTimeBean.setBid(stringObjectMap.get("Id").toString()); |
| | | stockRealTimeBean.setPc(stringObjectMap.get("PrevClose").toString()); |
| | | if (stringObjectMap.get("Ask") != null) { |
| | | stockRealTimeBean.setAsk(stringObjectMap.get("Ask").toString()); |
| | | } |
| | | } |
| | | stockRealTimeBean.setPcp(stockRealTimeBean.getPcp().replace("%","")); |
| | | return stockRealTimeBean; |
| | | |
| | | } |
| | | |
| | | 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); |
| | | } |
| | | } |
| | | |
| | | // 首先查看你的RedisShardedPoolUtils有哪些方法 |
| | | // 如果只有set和get,可以这样实现: |
| | | |
| | | public static String doPost(String pid, String stockType) { |
| | | EStockType eStockType = EStockType.getEStockTypeByCode(stockType); |
| | | String apiUrl = eStockType.getStockUrl() + "stock?key=" + eStockType.getStockKey(); |
| | | String result = null; |
| | | |
| | | // 创建Redis限流的key |
| | | String redisKey = "limit:post:" + stockType + ":" + pid; |
| | | |
| | | try { |
| | | // 尝试从Redis获取,如果存在则直接返回 |
| | | String cachedResult = RedisShardedPoolUtils.get(redisKey); |
| | | if (cachedResult != null && !cachedResult.isEmpty() && !"ERROR".equals(cachedResult)) { |
| | | return cachedResult; |
| | | } |
| | | |
| | | // 实际执行HTTP请求 |
| | | result = executeHttpPost(apiUrl, pid); |
| | | |
| | | // 将结果存入Redis |
| | | if (result != null && !result.isEmpty()) { |
| | | RedisShardedPoolUtils.set(redisKey, result); |
| | | RedisShardedPoolUtils.expire(redisKey, 1); // 设置1秒过期 |
| | | } |
| | | |
| | | } catch (Exception e) { |
| | | e.printStackTrace(); |
| | | // 异常处理 |
| | | try { |
| | | RedisShardedPoolUtils.set(redisKey, "ERROR"); |
| | | RedisShardedPoolUtils.expire(redisKey, 1); |
| | | } catch (Exception ex) { |
| | | ex.printStackTrace(); |
| | | } |
| | | } |
| | | return result; |
| | | } |
| | | |
| | | // HTTP请求执行方法 |
| | | private static String executeHttpPost(String apiUrl, String pid) throws IOException { |
| | | 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); |
| | | |
| | | String postData = "pid=" + pid; |
| | | |
| | | try (OutputStream os = connection.getOutputStream()) { |
| | | byte[] input = postData.getBytes("utf-8"); |
| | | os.write(input, 0, input.length); |
| | | } |
| | | |
| | | 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(); |
| | | } |
| | | |
| | | |
| | |
| | | return JSONObject.parseObject(companiesInfo); |
| | | } |
| | | |
| | | /** |
| | | * 缓存K线数据源到redis |
| | | * */ |
| | | public static void setCaCheStockKData(String stockType, String stockCode, Object kData){ |
| | | RedisShardedPoolUtils.set(RedisKeyConstant.RK_STOCK_KDATA+":"+stockType+":"+stockCode, kData.toString()); |
| | | } |
| | | |
| | | public static Object getCaCheStockKData(String stockType, String stockCode){ |
| | | return RedisShardedPoolUtils.get(RedisKeyConstant.RK_STOCK_KDATA+":"+stockType+":"+stockCode); |
| | | } |
| | | |
| | | } |