feat: 新增能耗时序状态分页查询接口

@@ -177,4 +177,20 @@ public class HealthController {
             @RequestParam(required = false) String endDate) {
         return energySearchService.queryEnergyRuntimeDetail(dtuSn, type, startDate, endDate);
     }
+
+    /**
+     * 查询能耗时序状态 - 分页查询
+     * 获取指定日期所有设备的用电量数据，计算稼动率和总用电量
+     *
+     * @param date     查询日期 yyyy-MM-dd
+     * @param pageNo   页码，默认1
+     * @param pageSize  每页条数，默认12
+     */
+    @GetMapping("/energy/timelineStatus")
+    public Map<String, Object> energyTimelineStatus(
+            @RequestParam String date,
+            @RequestParam(defaultValue = "1") Integer pageNo,
+            @RequestParam(defaultValue = "12") Integer pageSize) {
+        return energySearchService.queryEnergyTimelineStatus(date, pageNo, pageSize);
+    }
 }

@@ -405,6 +405,98 @@ public class EnergySearchService {
         );
     }
 
+    /**
+     * 查询能耗时序状态 - 分页查询
+     * 从e_run_dtl(OEE时序)表获取指定日期的设备时序数据，每页12条
+     * 同时计算每个设备的稼动率和总用电量(从eq_kwh表)
+     *
+     * @param date     查询日期 yyyy-MM-dd
+     * @param pageNo   页码，默认1
+     * @param pageSize 每页条数，默认12
+     */
+    public Map<String, Object> queryEnergyTimelineStatus(String date, Integer pageNo, Integer pageSize) {
+        // 先查OEE时序表获取有数据的设备列表
+        String countSql = "SELECT COUNT(DISTINCT r.dtuSn) FROM " + eRunDtlTableName + " r "
+                + " INNER JOIN " + energyTableName + " e ON e.dtuSn = r.dtuSn AND e.corp_code = r.corp_code "
+                + " WHERE r.corp_code = ? AND r.use_date = ?";
+        Long total = jdbcTemplate.queryForObject(countSql, Long.class, energyCorpCode, date + " 00:00:00");
+
+        int offset = (pageNo - 1) * pageSize;
+        String querySql = "SELECT r.dtuSn, e.deviceName, r.runStatus1, r.runStatus2 FROM " + eRunDtlTableName + " r "
+                + " INNER JOIN " + energyTableName + " e ON e.dtuSn = r.dtuSn AND e.corp_code = r.corp_code "
+                + " WHERE r.corp_code = ? AND r.use_date = ? "
+                + " ORDER BY e.deviceName ASC LIMIT ?, ?";
+        List<Map<String, Object>> rows = jdbcTemplate.queryForList(querySql, energyCorpCode, date + " 00:00:00", offset, pageSize);
+
+        List<Map<String, Object>> list = new ArrayList<>();
+        for (Map<String, Object> row : rows) {
+            Map<String, Object> item = new LinkedHashMap<>();
+            item.put("dtuSn", row.get("dtuSn"));
+            item.put("deviceName", row.get("deviceName"));
+
+            // OEE时序数据（原始返回）
+            Object oeeRawData = Collections.emptyList();
+            long totalDuration = 0;
+            long runDuration = 0;
+
+            String rs1 = row.get("runStatus1") != null ? String.valueOf(row.get("runStatus1")) : "";
+            String rs2 = row.get("runStatus2") != null ? String.valueOf(row.get("runStatus2")) : "";
+            if (StringUtils.hasText(rs1) || StringUtils.hasText(rs2)) {
+                String jsonStr = rs1 + rs2;
+                try {
+                    JSONArray dataArray = JSON.parseArray(jsonStr);
+                    oeeRawData = dataArray;
+                    for (int i = 0; i < dataArray.size(); i++) {
+                        JSONObject jo = dataArray.getJSONObject(i);
+                        Long duration = jo.getLong("duration");
+                        Integer runStatus = jo.getInteger("runStatus");
+                        if (duration != null && duration > 0 && runStatus != null) {
+                            totalDuration += duration;
+                            if (runStatus == 3) runDuration += duration; // 运行状态
+                        }
+                    }
+                } catch (Exception ignored) {}
+            }
+
+            item.put("timelineList", oeeRawData);
+            item.put("totalDurationFormatted", formatDuration(totalDuration));
+            item.put("totalDurationSeconds", totalDuration);
+
+            // 从eq_kwh表获取用电量
+            BigDecimal totalKwh = BigDecimal.ZERO;
+            try {
+                String kwhSql = "SELECT description FROM " + eqKwhTableName
+                        + " WHERE corp_code = ? AND dtuSn = ? AND use_date = ?";
+                Map<String, Object> kwhRow = jdbcTemplate.queryForMap(kwhSql, energyCorpCode, row.get("dtuSn"), date + " 00:00:00");
+                if (kwhRow != null && kwhRow.get("description") != null) {
+                    JSONArray dataArray = JSON.parseArray(String.valueOf(kwhRow.get("description")));
+                    for (int i = 0; i < dataArray.size(); i++) {
+                        Double value = dataArray.getJSONObject(i).getDouble("value");
+                        if (value != null) totalKwh = totalKwh.add(BigDecimal.valueOf(value));
+                    }
+                }
+            } catch (Exception ignored) {}
+
+            item.put("totalKwh", totalKwh.setScale(2, RoundingMode.HALF_UP));
+            // 稼动率 = 运行时长 / 总时长
+            double utilizationRate = totalDuration > 0
+                    ? BigDecimal.valueOf(runDuration * 100.0 / totalDuration).setScale(2, RoundingMode.HALF_UP).doubleValue()
+                    : 0.0;
+            item.put("utilizationRate", utilizationRate);
+
+            list.add(item);
+        }
+
+        return Map.of(
+                "code", 200,
+                "msg", "请求成功",
+                "total", total != null ? total : 0,
+                "pageNo", pageNo,
+                "pageSize", pageSize,
+                "list", list
+        );
+    }
+
     private static Map<Integer, Long> initStatusMap() {
         Map<Integer, Long> map = new LinkedHashMap<>();
         map.put(0, 0L);