From 716f77637e6e324fd5865e82039c2c2ee3f94bfa Mon Sep 17 00:00:00 2001
From: zj <1772600164@qq.com>
Date: Wed, 14 Jan 2026 15:53:06 +0800
Subject: [PATCH] 1

---
 src/main/java/com/nq/service/impl/StockServiceImpl.java |  100 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 100 insertions(+), 0 deletions(-)

diff --git a/src/main/java/com/nq/service/impl/StockServiceImpl.java b/src/main/java/com/nq/service/impl/StockServiceImpl.java
index ae6453f..5934291 100644
--- a/src/main/java/com/nq/service/impl/StockServiceImpl.java
+++ b/src/main/java/com/nq/service/impl/StockServiceImpl.java
@@ -1,5 +1,7 @@
 package com.nq.service.impl;
 
+import cn.hutool.core.date.DateTime;
+import cn.hutool.core.date.DateUtil;
 import cn.hutool.http.HttpUtil;
 import com.alibaba.fastjson2.JSONArray;
 import com.alibaba.fastjson2.JSONObject;
@@ -32,6 +34,7 @@
 
 import java.lang.reflect.Type;
 import java.math.BigDecimal;
+import java.math.RoundingMode;
 import java.util.*;
 import javax.annotation.Resource;
 import javax.servlet.http.HttpServletRequest;
@@ -79,6 +82,9 @@
 
     @Autowired
     StockConfigMapper stockConfigMapper;
+
+    @Resource
+    StockSettingMapper stockSettingMapper;
 
     public ServerResponse getMarket() {
         String market_url = PropertiesUtil.getProperty("sina.market.url");
@@ -905,4 +911,98 @@
         }
         return ServerResponse.createByError();
     }
+
+    @Override
+    public ServerResponse getPremarketStock() {
+        try {
+            List<StockSetting> stockSettings = stockSettingMapper.selectList(new QueryWrapper<>());
+            List<PremarketStockVO> resultList = new ArrayList<>();
+            
+            Date now = new Date();
+            
+            for (StockSetting setting : stockSettings) {
+                String startTime = setting.getStartTime();
+                String endTime = setting.getEndTime();
+                
+                // 判断当前时间是否在交易时间内(startTime和endTime是完整的日期时间格式)
+                if (isTimeInRange(now, startTime, endTime)) {
+                    Stock stock = stockMapper.selectOne(new QueryWrapper<Stock>().eq("stock_code", setting.getStockCode()));
+                    if (stock == null) {
+                        continue; // 股票不存在,跳过
+                    }
+                    
+                    // 先获取真实涨跌幅数据
+                    StockRealTimeBean realTimeStock = RedisKeyUtil.getCacheRealTimeStock(stock);
+                    if (realTimeStock == null) {
+                        continue; // 无法获取真实数据,跳过
+                    }
+                    
+                    // 获取真实价格(从Redis获取,不经过StockSetting计算)
+                    String s = RedisKeyUtil.doPost(stock.getStockCode(), stock.getStockType());
+                    if (s == null) {
+                        continue; // 无法获取真实价格,跳过
+                    }
+                    
+                    Map<String, Object> stringObjectMap = RedisKeyUtil.jsonToMap(s);
+                    BigDecimal realPrice = new BigDecimal(stringObjectMap.get("Last").toString());
+                    
+                    // 计算盘前价格
+                    BigDecimal premarketPrice;
+                    if ("0".equals(setting.getType())) {
+                        // type=0: 直接指定价格
+                        premarketPrice = new BigDecimal(setting.getPrice());
+                    } else {
+                        // type=1: 百分比调价格,基于真实价格计算
+                        premarketPrice = realPrice.multiply(new BigDecimal(setting.getPrice()));
+                    }
+                    
+                    // 获取前收盘价
+                    BigDecimal prevClose = new BigDecimal(realTimeStock.getPc());
+                    
+                    // 基于盘前价格计算涨跌幅 = (盘前价格 - 前收盘价) / 前收盘价
+                    BigDecimal hcrate = BigDecimal.ZERO;
+                    if (prevClose.compareTo(BigDecimal.ZERO) > 0) {
+                        hcrate = premarketPrice.subtract(prevClose)
+                                .divide(prevClose, 4, RoundingMode.HALF_UP);
+                    }
+                    
+                    // 格式化涨跌幅为带百分号的字符串
+                    String hcrateP = hcrate.multiply(new BigDecimal("100"))
+                            .setScale(2, RoundingMode.HALF_UP) + "%";
+                    
+                    PremarketStockVO vo = new PremarketStockVO();
+                    vo.setCode(setting.getStockCode());
+                    vo.setPrice(premarketPrice);
+                    vo.setHcrate(hcrate);
+                    vo.setHcrateP(hcrateP);
+                    resultList.add(vo);
+                }
+            }
+            
+            return ServerResponse.createBySuccess(resultList);
+        } catch (Exception e) {
+            log.error("getPremarketStock error", e);
+            return ServerResponse.createByErrorMsg("查询盘前交易数据失败");
+        }
+    }
+
+    /**
+     * 判断当前时间是否在指定时间范围内
+     * @param now 当前时间
+     * @param startTime 开始时间,完整的日期时间格式
+     * @param endTime 结束时间,完整的日期时间格式
+     * @return
+     */
+    private boolean isTimeInRange(Date now, String startTime, String endTime) {
+        try {
+            DateTime start = DateUtil.parseDateTime(startTime);
+            DateTime end = DateUtil.parseDateTime(endTime);
+            
+            // 判断当前时间是否在开始时间和结束时间之间
+            return now.after(start) && now.before(end);
+        } catch (Exception e) {
+            log.error("isTimeInRange error", e);
+            return false;
+        }
+    }
 }

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