得到的

C00-common/pps-common/src/main/java/pps/core/common/constant/BusinessConstant.java

@@ -65,6 +65,11 @@ public class BusinessConstant {
      */
     public static final String LAST_LIMIT_ORACLE = "AND ROWNUM = 1";
 
+    /**
+     * Oracle
+     */
+    public static final String ORACLE = "Oracle";
+
     /**
      * 开井
      */

C00-common/pps-common/src/main/java/pps/core/common/utils/BaseUtils.java

@@ -41,12 +41,10 @@ public class BaseUtils {
      * @return {@link String }
      */
     public static String getLastLimit() {
-        switch (DATA_BASE_ID) {
-            case "Oracle":
+        if (CharSequenceUtil.equals(DATA_BASE_ID, BusinessConstant.ORACLE)) {
             return BusinessConstant.LAST_LIMIT_ORACLE;
-            default:
-                return BusinessConstant.LAST_LIMIT;
         }
+        return BusinessConstant.LAST_LIMIT;
     }
 
     /**

C09-base/pps-core-base/src/main/java/pps/core/base/service/WindPredictionFutureService.java

@@ -770,7 +770,7 @@ public class WindPredictionFutureService {
     private Map<Date, WindPredictionFutureEnt> getPredictedMap(XContext context, String stationId, DateTime beginTime, DateTime endTime) {
         QueryWrapper<WindPredictionFutureEnt> queryWrapper = new QueryWrapper<>();
         String property = context.getProperty("x.db.databaseId");
-        if (CharSequenceUtil.equals(property, "Oracle")) {
+        if (CharSequenceUtil.equals(property, BusinessConstant.ORACLE)) {
             queryWrapper.select("DATA_TIME", "NVL( MAX( ACTUAL_POWER ), 0 ) AS PREDICTED_POWER",
                     "NVL( MAX( ACTUAL_WIND_SPEED ), 0 ) AS ACTUAL_WIND_SPEED", "NVL( MAX( WIND_SPEED ), 0 ) AS WIND_SPEED");
         } else {
@@ -810,7 +810,7 @@ public class WindPredictionFutureService {
     private Map<Date, BigDecimal> getPredictedMap(XContext context, List<String> stationIds, Date beginTime, Date endTime) {
         QueryWrapper<WindPredictionFutureEnt> queryWrapper = new QueryWrapper<>();
         String property = context.getProperty("x.db.databaseId");
-        if (CharSequenceUtil.equals(property, "Oracle")) {
+        if (CharSequenceUtil.equals(property, BusinessConstant.ORACLE)) {
             queryWrapper.select("DATA_TIME", "NVL( SUM( ACTUAL_POWER ), 0 ) AS PREDICTED_POWER");
         } else {
             queryWrapper.select("DATA_TIME", "IFNULL( SUM( ACTUAL_POWER ), 0 ) AS PREDICTED_POWER");
@@ -872,7 +872,7 @@ public class WindPredictionFutureService {
     private Map<Date, ThirdWindPowerGenerationEnt> getActivePower15MinuteMap(XContext context, String stationId, DateTime beginTime, DateTime endTime) {
         QueryWrapper<ThirdWindPowerGenerationEnt> queryWrapper = new QueryWrapper<>();
         String property = context.getProperty("x.db.databaseId");
-        if (CharSequenceUtil.equals(property, "Oracle")) {
+        if (CharSequenceUtil.equals(property, BusinessConstant.ORACLE)) {
             queryWrapper.select("COLLECT_TIME", "NVL( MAX( ACTUAL_WIND_SPEED ), 0 ) AS ACTUAL_WIND_SPEED", "NVL( MAX( ACTUAL_POWER ), 0 ) AS ACTUAL_POWER");
         } else {
             queryWrapper.select("COLLECT_TIME", "IFNULL( MAX( ACTUAL_WIND_SPEED ), 0 ) AS ACTUAL_WIND_SPEED", "IFNULL( MAX( ACTUAL_POWER ), 0 ) AS ACTUAL_POWER");