fix: 后端数据组织完成；待继续优化或调整前端显示

newstock-system/src/main/java/com/ruoyi/newstocksystem/mapper/TTrendsMapper.java

@@ -111,4 +111,28 @@ public interface TTrendsMapper
      * @return 排名
      */
     public Integer getIndustryRankByDate(java.util.Map<String, Object> params);
+    
+    /**
+     * 获取指定行业在指定日期范围内的趋势数据
+     * 
+     * @param params 参数map，包含momentumType、industryName、startDate、endDate
+     * @return 趋势数据列表
+     */
+    public List<TTrends> getTrendsByIndustryAndDateRange(java.util.Map<String, Object> params);
+    
+    /**
+     * 获取指定日期往前10个交易日的所有日期
+     * 
+     * @param params 参数map，包含momentumType、currentDate
+     * @return 交易日列表
+     */
+    public List<Date> getPreviousTradeDates(java.util.Map<String, Object> params);
+    
+    /**
+     * 获取指定日期和动量类型的所有趋势数据
+     * 
+     * @param tTrends 趋势对象，包含tradeDate和momentumType
+     * @return 趋势数据列表
+     */
+    public List<TTrends> getTrendsByDateAndType(TTrends tTrends);
 }

newstock-system/src/main/java/com/ruoyi/newstocksystem/service/impl/TTrendsServiceImpl.java

@@ -133,37 +133,52 @@ public class TTrendsServiceImpl implements TTrendsService
     @Override
     public List<?> listTrendsSection(TTrends tTrends)
     {
-        // 1. 获取最近10个交易日
-        List<Date> recentDays = tTrendsMapper.getRecentTradeDates(tTrends.getMomentumType());
-        if (recentDays == null || recentDays.isEmpty()) {
+        // 1. 获取当前传入参数的所有趋势排名数据list
+        List<TTrends> currentDayTrends = tTrendsMapper.getTrendsByDateAndType(tTrends);
+        if (currentDayTrends == null || currentDayTrends.isEmpty()) {
             return new ArrayList<>();
         }
         
-        // 2. 获取所有行业名称
-        List<String> industryNames = tTrendsMapper.getAllIndustryNames(tTrends.getMomentumType());
-        if (industryNames == null || industryNames.isEmpty()) {
+        // 2. 获取当前日期往前10个交易日的所有日期
+        Map<String, Object> dateParams = new HashMap<>();
+        dateParams.put("momentumType", tTrends.getMomentumType());
+        dateParams.put("currentDate", tTrends.getTradeDate());
+        List<Date> previousDays = tTrendsMapper.getPreviousTradeDates(dateParams);
+        if (previousDays == null || previousDays.isEmpty()) {
             return new ArrayList<>();
         }
         
         // 3. 准备返回结果列表
         List<Map<String, Object>> resultList = new ArrayList<>();
         
-        // 4. 遍历每个行业，获取其在每个交易日的排名
-        for (String industryName : industryNames) {
+        // 4. 遍历当前日期的每个行业，获取其在这10个交易日的排名
+        for (TTrends currentTrend : currentDayTrends) {
+            String industryName = currentTrend.getIndustryName();
             Map<String, Object> industryData = new HashMap<>();
             industryData.put("industryName", industryName);
             
-            // 遍历每个交易日，获取排名
-            for (int i = 0; i < recentDays.size(); i++) {
-                Date tradeDate = recentDays.get(i);
-                Map<String, Object> params = new HashMap<>();
-                params.put("momentumType", tTrends.getMomentumType());
-                params.put("industryName", industryName);
-                params.put("tradeDate", tradeDate);
-                
-                Integer rank = tTrendsMapper.getIndustryRankByDate(params);
-                // 如果没有排名数据，设置为0
-                industryData.put("day_" + (i + 1), rank != null ? rank : 0);
+            // 5. 获取该行业在这10个交易日的所有趋势数据
+            Map<String, Object> trendParams = new HashMap<>();
+            trendParams.put("momentumType", tTrends.getMomentumType());
+            trendParams.put("industryName", industryName);
+            trendParams.put("startDate", previousDays.get(previousDays.size() - 1)); // 最早的日期
+            trendParams.put("endDate", previousDays.get(0)); // 最近的日期
+            
+            List<TTrends> industryTrends = tTrendsMapper.getTrendsByIndustryAndDateRange(trendParams);
+            
+            // 6. 将行业趋势数据转换为日期到排名的映射
+            Map<Date, Integer> dateRankMap = new HashMap<>();
+            if (industryTrends != null && !industryTrends.isEmpty()) {
+                for (TTrends trend : industryTrends) {
+                    dateRankMap.put(trend.getTradeDate(), trend.getRank());
+                }
+            }
+            
+            // 7. 遍历10个交易日，填充排名数据，缺少的数据用-1表示
+            for (int i = 0; i < previousDays.size(); i++) {
+                Date tradeDate = previousDays.get(i);
+                Integer rank = dateRankMap.get(tradeDate);
+                industryData.put("day_" + (i + 1), rank != null ? rank : -1);
             }
             
             resultList.add(industryData);

newstock-system/src/main/resources/mapper/newstocksystem/TTrendsMapper.xml

@@ -160,4 +160,33 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         AND industry_name = #{industryName}
         AND trade_date = #{tradeDate}
     </select>
+    
+    <!-- 获取指定行业在指定日期范围内的趋势数据 -->
+    <select id="getTrendsByIndustryAndDateRange" parameterType="map" resultMap="TTrendsResult">
+        SELECT *
+        FROM t_trends
+        WHERE momentum_type = #{momentumType}
+        AND industry_name = #{industryName}
+        AND trade_date BETWEEN #{startDate} AND #{endDate}
+        ORDER BY trade_date DESC
+    </select>
+    
+    <!-- 获取指定日期往前10个交易日的所有日期 -->
+    <select id="getPreviousTradeDates" parameterType="map" resultType="Date">
+        SELECT DISTINCT trade_date
+        FROM t_trends
+        WHERE momentum_type = #{momentumType}
+        AND trade_date &lt;= #{currentDate}
+        ORDER BY trade_date DESC
+        LIMIT 10
+    </select>
+    
+    <!-- 获取指定日期和动量类型的所有趋势数据 -->
+    <select id="getTrendsByDateAndType" parameterType="TTrends" resultMap="TTrendsResult">
+        SELECT *
+        FROM t_trends
+        WHERE trade_date = #{tradeDate}
+        AND momentum_type = #{momentumType}
+        ORDER BY `rank`
+    </select>
 </mapper>